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-rw-r--r--lib/crypto/c_src/crypto.c6113
1 files changed, 129 insertions, 5984 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c
index df607732bf..03f11c9059 100644
--- a/lib/crypto/c_src/crypto.c
+++ b/lib/crypto/c_src/crypto.c
@@ -23,982 +23,120 @@
* Based on OpenSSL.
*/
-#ifdef __WIN32__
- #include <windows.h>
-#endif
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#include <erl_nif.h>
-
-#define OPENSSL_THREAD_DEFINES
-#include <openssl/opensslconf.h>
-
-#include <openssl/crypto.h>
-#ifndef OPENSSL_NO_DES
-#include <openssl/des.h>
-#endif /* #ifndef OPENSSL_NO_DES */
-/* #include <openssl/idea.h> This is not supported on the openssl OTP requires */
-#include <openssl/dsa.h>
-#include <openssl/rsa.h>
-#include <openssl/aes.h>
-#include <openssl/md5.h>
-#include <openssl/md4.h>
-#include <openssl/sha.h>
-#include <openssl/ripemd.h>
-#include <openssl/bn.h>
-#include <openssl/objects.h>
-#ifndef OPENSSL_NO_RC4
- #include <openssl/rc4.h>
-#endif /* OPENSSL_NO_RC4 */
-#ifndef OPENSSL_NO_RC2
- #include <openssl/rc2.h>
-#endif
-#include <openssl/blowfish.h>
-#include <openssl/rand.h>
-#include <openssl/evp.h>
-#include <openssl/hmac.h>
-#include <openssl/err.h>
-
-/* Helper macro to construct a OPENSSL_VERSION_NUMBER.
- * See openssl/opensslv.h
- */
-#define PACKED_OPENSSL_VERSION(MAJ, MIN, FIX, P) \
- ((((((((MAJ << 8) | MIN) << 8 ) | FIX) << 8) | (P-'a'+1)) << 4) | 0xf)
-
-#define PACKED_OPENSSL_VERSION_PLAIN(MAJ, MIN, FIX) \
- PACKED_OPENSSL_VERSION(MAJ,MIN,FIX,('a'-1))
-
-
-/* LibreSSL was cloned from OpenSSL 1.0.1g and claims to be API and BPI compatible
- * with 1.0.1.
- *
- * LibreSSL has the same names on include files and symbols as OpenSSL, but defines
- * the OPENSSL_VERSION_NUMBER to be >= 2.0.0
- *
- * Therefor works tests like this as intendend:
- * OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0)
- * (The test is for example "2.4.2" >= "1.0.0" although the test
- * with the cloned OpenSSL test would be "1.0.1" >= "1.0.0")
- *
- * But tests like this gives wrong result:
- * OPENSSL_VERSION_NUMBER < PACKED_OPENSSL_VERSION_PLAIN(1,1,0)
- * (The test is false since "2.4.2" < "1.1.0". It should have been
- * true because the LibreSSL API version is "1.0.1")
- *
- */
-
-#ifdef LIBRESSL_VERSION_NUMBER
-/* A macro to test on in this file */
-#define HAS_LIBRESSL
-#endif
-
-#ifdef HAS_LIBRESSL
-/* LibreSSL dislikes FIPS */
-# ifdef FIPS_SUPPORT
-# undef FIPS_SUPPORT
-# endif
-
-# if LIBRESSL_VERSION_NUMBER < PACKED_OPENSSL_VERSION_PLAIN(2,7,0)
-/* LibreSSL wants the 1.0.1 API */
-# define NEED_EVP_COMPATIBILITY_FUNCTIONS
-# endif
-#endif
-
-
-#if OPENSSL_VERSION_NUMBER < PACKED_OPENSSL_VERSION_PLAIN(1,1,0)
-# define NEED_EVP_COMPATIBILITY_FUNCTIONS
-#endif
-
-
-#ifndef HAS_LIBRESSL
-# if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0)
-# define HAS_EVP_PKEY_CTX
-# endif
-#endif
-
-
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0)
-#include <openssl/modes.h>
-#endif
-
-#include "crypto_callback.h"
-
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(0,9,8) \
- && !defined(OPENSSL_NO_SHA224) && defined(NID_sha224) \
- && !defined(OPENSSL_NO_SHA256) /* disabled like this in my sha.h (?) */
-# define HAVE_SHA224
-#endif
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(0,9,8) \
- && !defined(OPENSSL_NO_SHA256) && defined(NID_sha256)
-# define HAVE_SHA256
-#endif
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(0,9,8) \
- && !defined(OPENSSL_NO_SHA384) && defined(NID_sha384)\
- && !defined(OPENSSL_NO_SHA512) /* disabled like this in my sha.h (?) */
-# define HAVE_SHA384
-#endif
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(0,9,8) \
- && !defined(OPENSSL_NO_SHA512) && defined(NID_sha512)
-# define HAVE_SHA512
-#endif
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION(0,9,7,'e')
-# define HAVE_DES_ede3_cfb_encrypt
-#endif
-
-// SHA3:
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,1,1)
-// An error in beta releases of 1.1.1 fixed in production release
-# ifdef NID_sha3_224
-# define HAVE_SHA3_224
-# endif
-# ifdef NID_sha3_256
-# define HAVE_SHA3_256
-# endif
-#endif
-# ifdef NID_sha3_384
-# define HAVE_SHA3_384
-# endif
-# ifdef NID_sha3_512
-# define HAVE_SHA3_512
-# endif
-
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION(0,9,8,'o') \
- && !defined(OPENSSL_NO_EC) \
- && !defined(OPENSSL_NO_ECDH) \
- && !defined(OPENSSL_NO_ECDSA)
-# define HAVE_EC
-#endif
-
-// (test for >= 1.1.1pre8)
-#if OPENSSL_VERSION_NUMBER >= (PACKED_OPENSSL_VERSION_PLAIN(1,1,1) -7) \
- && !defined(HAS_LIBRESSL) \
- && defined(HAVE_EC)
-# define HAVE_ED_CURVE_DH
-# if OPENSSL_VERSION_NUMBER >= (PACKED_OPENSSL_VERSION_PLAIN(1,1,1))
-# define HAVE_EDDSA
-# endif
-#endif
-
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION(0,9,8,'c')
-# define HAVE_AES_IGE
-#endif
-
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,1)
-# define HAVE_EVP_AES_CTR
-# define HAVE_AEAD
-# define HAVE_GCM
-# define HAVE_CCM
-# define HAVE_CMAC
-# if defined(RSA_PKCS1_OAEP_PADDING)
-# define HAVE_RSA_OAEP_PADDING
-# endif
-# define HAVE_RSA_MGF1_MD
-# if OPENSSL_VERSION_NUMBER < PACKED_OPENSSL_VERSION(1,0,1,'d')
-# define HAVE_GCM_EVP_DECRYPT_BUG
-# endif
-#endif
-
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,1,0)
-# ifndef HAS_LIBRESSL
-# define HAVE_CHACHA20
-# define HAVE_CHACHA20_POLY1305
-# define HAVE_RSA_OAEP_MD
-# endif
-#endif
-
-// OPENSSL_VERSION_NUMBER >= 1.1.1-pre8
-#if OPENSSL_VERSION_NUMBER >= (PACKED_OPENSSL_VERSION_PLAIN(1,1,1)-7)
-# ifndef HAS_LIBRESSL
-# define HAVE_POLY1305
-# endif
-#endif
-
-#if OPENSSL_VERSION_NUMBER <= PACKED_OPENSSL_VERSION(0,9,8,'l')
-# define HAVE_ECB_IVEC_BUG
-#endif
-
-#ifndef HAS_LIBRESSL
-# ifdef RSA_SSLV23_PADDING
-# define HAVE_RSA_SSLV23_PADDING
-# endif
-#endif
-
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0)
-# ifdef RSA_PKCS1_PSS_PADDING
-# define HAVE_RSA_PKCS1_PSS_PADDING
-# endif
-#endif
-
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION(0,9,8,'h') \
- && defined(HAVE_EC)
-/* If OPENSSL_NO_EC is set, there will be an error in ec.h included from engine.h
- So if EC is disabled, you can't use Engine either....
-*/
-# define HAS_ENGINE_SUPPORT
-#endif
-
-
-#if defined(HAS_ENGINE_SUPPORT)
-# include <openssl/engine.h>
-#endif
-
-#if defined(HAVE_CMAC)
-#include <openssl/cmac.h>
-#endif
-
-#if defined(HAVE_EC)
-#include <openssl/ec.h>
-#include <openssl/ecdh.h>
-#include <openssl/ecdsa.h>
-#endif
-
-#ifdef VALGRIND
- # include <valgrind/memcheck.h>
-
-/* libcrypto mixes supplied buffer contents into its entropy pool,
- which makes valgrind complain about the use of uninitialized data.
- We use this valgrind "request" to make sure that no such seemingly
- undefined data is returned.
-*/
- # define ERL_VALGRIND_MAKE_MEM_DEFINED(ptr,size) \
- VALGRIND_MAKE_MEM_DEFINED(ptr,size)
-
- # define ERL_VALGRIND_ASSERT_MEM_DEFINED(Ptr,Size) \
- do { \
- int __erl_valgrind_mem_defined = VALGRIND_CHECK_MEM_IS_DEFINED((Ptr),(Size)); \
- if (__erl_valgrind_mem_defined != 0) { \
- fprintf(stderr,"\r\n####### VALGRIND_ASSSERT(%p,%ld) failed at %s:%d\r\n", \
- (Ptr),(long)(Size), __FILE__, __LINE__); \
- abort(); \
- } \
- } while (0)
-
-#else
- # define ERL_VALGRIND_MAKE_MEM_DEFINED(ptr,size)
- # define ERL_VALGRIND_ASSERT_MEM_DEFINED(ptr,size)
-#endif
-
-#ifdef DEBUG
- # define ASSERT(e) \
- ((void) ((e) ? 1 : (fprintf(stderr,"Assert '%s' failed at %s:%d\n",\
- #e, __FILE__, __LINE__), abort(), 0)))
-#else
- # define ASSERT(e) ((void) 1)
-#endif
-
-#ifdef __GNUC__
- # define INLINE __inline__
-#elif defined(__WIN32__)
- # define INLINE __forceinline
-#else
- # define INLINE
-#endif
-
-
-#define get_int32(s) ((((unsigned char*) (s))[0] << 24) | \
- (((unsigned char*) (s))[1] << 16) | \
- (((unsigned char*) (s))[2] << 8) | \
- (((unsigned char*) (s))[3]))
-
-#define put_int32(s,i) \
-{ (s)[0] = (char)(((i) >> 24) & 0xff);\
- (s)[1] = (char)(((i) >> 16) & 0xff);\
- (s)[2] = (char)(((i) >> 8) & 0xff);\
- (s)[3] = (char)((i) & 0xff);\
-}
-
-/* This shall correspond to the similar macro in crypto.erl */
-/* Current value is: erlang:system_info(context_reductions) * 10 */
-#define MAX_BYTES_TO_NIF 20000
-
-#define CONSUME_REDS(NifEnv, Ibin) \
-do { \
- int _cost = ((Ibin).size * 100) / MAX_BYTES_TO_NIF;\
- if (_cost) { \
- (void) enif_consume_timeslice((NifEnv), \
- (_cost > 100) ? 100 : _cost); \
- } \
- } while (0)
-
-
-#ifdef NEED_EVP_COMPATIBILITY_FUNCTIONS
-/*
- * In OpenSSL 1.1.0, most structs are opaque. That means that
- * the structs cannot be allocated as automatic variables on the
- * C stack (because the size is unknown) and that it is necessary
- * to use access functions.
- *
- * For backward compatibility to previous versions of OpenSSL, define
- * on our versions of the new functions defined in 1.1.0 here, so that
- * we don't have to sprinkle ifdefs throughout the code.
- */
-
-static HMAC_CTX *HMAC_CTX_new(void);
-static void HMAC_CTX_free(HMAC_CTX *ctx);
-
-static HMAC_CTX *HMAC_CTX_new()
-{
- HMAC_CTX *ctx = CRYPTO_malloc(sizeof(HMAC_CTX), __FILE__, __LINE__);
- HMAC_CTX_init(ctx);
- return ctx;
-}
-
-static void HMAC_CTX_free(HMAC_CTX *ctx)
-{
- HMAC_CTX_cleanup(ctx);
- CRYPTO_free(ctx);
-}
-
-#define EVP_MD_CTX_new() EVP_MD_CTX_create()
-#define EVP_MD_CTX_free(ctx) EVP_MD_CTX_destroy(ctx)
-
-static INLINE void *BN_GENCB_get_arg(BN_GENCB *cb);
-
-static INLINE void *BN_GENCB_get_arg(BN_GENCB *cb)
-{
- return cb->arg;
-}
-
-static INLINE int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d);
-static INLINE void RSA_get0_key(const RSA *r, const BIGNUM **n, const BIGNUM **e, const BIGNUM **d);
-static INLINE int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q);
-static INLINE void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q);
-static INLINE int RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp);
-static INLINE void RSA_get0_crt_params(const RSA *r, const BIGNUM **dmp1, const BIGNUM **dmq1, const BIGNUM **iqmp);
-
-static INLINE int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d)
-{
- r->n = n;
- r->e = e;
- r->d = d;
- return 1;
-}
-
-static INLINE void RSA_get0_key(const RSA *r, const BIGNUM **n, const BIGNUM **e, const BIGNUM **d)
-{
- *n = r->n;
- *e = r->e;
- *d = r->d;
-}
-
-static INLINE int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q)
-{
- r->p = p;
- r->q = q;
- return 1;
-}
-
-static INLINE void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q)
-{
- *p = r->p;
- *q = r->q;
-}
-
-static INLINE int RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp)
-{
- r->dmp1 = dmp1;
- r->dmq1 = dmq1;
- r->iqmp = iqmp;
- return 1;
-}
-
-static INLINE void RSA_get0_crt_params(const RSA *r, const BIGNUM **dmp1, const BIGNUM **dmq1, const BIGNUM **iqmp)
-{
- *dmp1 = r->dmp1;
- *dmq1 = r->dmq1;
- *iqmp = r->iqmp;
-}
-
-static INLINE int DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key);
-static INLINE int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g);
-static INLINE void DSA_get0_pqg(const DSA *dsa,
- const BIGNUM **p, const BIGNUM **q, const BIGNUM **g);
-static INLINE void DSA_get0_key(const DSA *dsa,
- const BIGNUM **pub_key, const BIGNUM **priv_key);
-
-static INLINE int DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key)
-{
- d->pub_key = pub_key;
- d->priv_key = priv_key;
- return 1;
-}
-
-static INLINE int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g)
-{
- d->p = p;
- d->q = q;
- d->g = g;
- return 1;
-}
-
-static INLINE void
-DSA_get0_pqg(const DSA *dsa, const BIGNUM **p, const BIGNUM **q, const BIGNUM **g)
-{
- *p = dsa->p;
- *q = dsa->q;
- *g = dsa->g;
-}
-
-static INLINE void
-DSA_get0_key(const DSA *dsa, const BIGNUM **pub_key, const BIGNUM **priv_key)
-{
- if (pub_key) *pub_key = dsa->pub_key;
- if (priv_key) *priv_key = dsa->priv_key;
-}
-
-
-
-static INLINE int DH_set0_key(DH *dh, BIGNUM *pub_key, BIGNUM *priv_key);
-static INLINE int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g);
-static INLINE int DH_set_length(DH *dh, long length);
-static INLINE void DH_get0_pqg(const DH *dh,
- const BIGNUM **p, const BIGNUM **q, const BIGNUM **g);
-static INLINE void DH_get0_key(const DH *dh,
- const BIGNUM **pub_key, const BIGNUM **priv_key);
-
-static INLINE int DH_set0_key(DH *dh, BIGNUM *pub_key, BIGNUM *priv_key)
-{
- dh->pub_key = pub_key;
- dh->priv_key = priv_key;
- return 1;
-}
-
-static INLINE int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g)
-{
- dh->p = p;
- dh->q = q;
- dh->g = g;
- return 1;
-}
-
-static INLINE int DH_set_length(DH *dh, long length)
-{
- dh->length = length;
- return 1;
-}
-
-
-
-static INLINE void
-DH_get0_pqg(const DH *dh, const BIGNUM **p, const BIGNUM **q, const BIGNUM **g)
-{
- *p = dh->p;
- *q = dh->q;
- *g = dh->g;
-}
-
-static INLINE void
-DH_get0_key(const DH *dh, const BIGNUM **pub_key, const BIGNUM **priv_key)
-{
- if (pub_key) *pub_key = dh->pub_key;
- if (priv_key) *priv_key = dh->priv_key;
-}
-
-#else /* End of compatibility definitions. */
-
-#define HAVE_OPAQUE_BN_GENCB
-
-#endif
+#include "common.h"
+
+#include "aead.h"
+#include "aes.h"
+#include "algorithms.h"
+#include "block.h"
+#include "bn.h"
+#include "chacha20.h"
+#include "cipher.h"
+#include "cmac.h"
+#include "dh.h"
+#include "digest.h"
+#include "dss.h"
+#include "ec.h"
+#include "ecdh.h"
+#include "eddsa.h"
+#include "engine.h"
+#include "evp.h"
+#include "fips.h"
+#include "hash.h"
+#include "hmac.h"
+#include "info.h"
+#include "math.h"
+#include "pkey.h"
+#include "poly1305.h"
+#include "rand.h"
+#include "rc4.h"
+#include "rsa.h"
+#include "srp.h"
/* NIF interface declarations */
static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info);
static int upgrade(ErlNifEnv* env, void** priv_data, void** old_priv_data, ERL_NIF_TERM load_info);
static void unload(ErlNifEnv* env, void* priv_data);
-/* The NIFs: */
-static ERL_NIF_TERM info_lib(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM info_fips(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM enable_fips_mode(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM algorithms(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM hash_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM hash_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM hash_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM hash_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM hmac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM hmac_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM hmac_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM hmac_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM cmac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM block_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM aes_cfb_8_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM aes_cfb_128_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM aes_ige_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM aes_ctr_stream_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM aes_ctr_stream_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM strong_rand_bytes_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM strong_rand_range_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM rand_uniform_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM mod_exp_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM do_exor(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM rc4_set_key(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM rc4_encrypt_with_state(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM pkey_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM pkey_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM pkey_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM rsa_generate_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM dh_generate_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM dh_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM privkey_to_pubkey_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM srp_value_B_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM srp_user_secret_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM srp_host_secret_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-
-static ERL_NIF_TERM ec_key_generate(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM ecdh_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-
-static ERL_NIF_TERM evp_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM evp_generate_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-
-static ERL_NIF_TERM rand_seed_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-
-static ERL_NIF_TERM aead_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM aead_decrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-#ifdef HAVE_GCM_EVP_DECRYPT_BUG
-static ERL_NIF_TERM aes_gcm_decrypt_NO_EVP(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-#endif
-
-static ERL_NIF_TERM chacha20_stream_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM chacha20_stream_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-
-static ERL_NIF_TERM poly1305_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-
-static ERL_NIF_TERM engine_by_id_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM engine_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM engine_finish_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM engine_free_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM engine_load_dynamic_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM engine_ctrl_cmd_strings_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM engine_register_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM engine_unregister_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM engine_add_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM engine_remove_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM engine_get_first_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM engine_get_next_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM engine_get_id_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM engine_get_name_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM engine_get_all_methods_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-
-/* helpers */
-static void init_algorithms_types(ErlNifEnv*);
-static void init_digest_types(ErlNifEnv* env);
-static void init_cipher_types(ErlNifEnv* env);
-#ifdef HAVE_EC
-static EC_KEY* ec_key_new(ErlNifEnv* env, ERL_NIF_TERM curve_arg);
-static int term2point(ErlNifEnv* env, ERL_NIF_TERM term,
- EC_GROUP *group, EC_POINT **pptr);
-#endif
-static ERL_NIF_TERM bin_from_bn(ErlNifEnv* env, const BIGNUM *bn);
-
-#ifdef HAS_ENGINE_SUPPORT
-static int get_engine_load_cmd_list(ErlNifEnv* env, const ERL_NIF_TERM term, char **cmds, int i);
-static int zero_terminate(ErlNifBinary bin, char **buf);
-#endif
-
static int library_refc = 0; /* number of users of this dynamic library */
static int library_initialized = 0;
static ErlNifFunc nif_funcs[] = {
- {"info_lib", 0, info_lib},
- {"info_fips", 0, info_fips},
- {"enable_fips_mode", 1, enable_fips_mode},
- {"algorithms", 0, algorithms},
- {"hash_nif", 2, hash_nif},
- {"hash_init_nif", 1, hash_init_nif},
- {"hash_update_nif", 2, hash_update_nif},
- {"hash_final_nif", 1, hash_final_nif},
- {"hmac_nif", 3, hmac_nif},
- {"hmac_nif", 4, hmac_nif},
- {"hmac_init_nif", 2, hmac_init_nif},
- {"hmac_update_nif", 2, hmac_update_nif},
- {"hmac_final_nif", 1, hmac_final_nif},
- {"hmac_final_nif", 2, hmac_final_nif},
- {"cmac_nif", 3, cmac_nif},
- {"block_crypt_nif", 5, block_crypt_nif},
- {"block_crypt_nif", 4, block_crypt_nif},
- {"aes_ige_crypt_nif", 4, aes_ige_crypt_nif},
- {"aes_ctr_stream_init", 2, aes_ctr_stream_init},
- {"aes_ctr_stream_encrypt", 2, aes_ctr_stream_encrypt},
- {"aes_ctr_stream_decrypt", 2, aes_ctr_stream_encrypt},
- {"strong_rand_bytes_nif", 1, strong_rand_bytes_nif},
- {"strong_rand_range_nif", 1, strong_rand_range_nif},
- {"rand_uniform_nif", 2, rand_uniform_nif},
- {"mod_exp_nif", 4, mod_exp_nif},
- {"do_exor", 2, do_exor},
- {"rc4_set_key", 1, rc4_set_key},
- {"rc4_encrypt_with_state", 2, rc4_encrypt_with_state},
- {"pkey_sign_nif", 5, pkey_sign_nif},
- {"pkey_verify_nif", 6, pkey_verify_nif},
- {"pkey_crypt_nif", 6, pkey_crypt_nif},
- {"rsa_generate_key_nif", 2, rsa_generate_key_nif},
- {"dh_generate_key_nif", 4, dh_generate_key_nif},
- {"dh_compute_key_nif", 3, dh_compute_key_nif},
- {"evp_compute_key_nif", 3, evp_compute_key_nif},
- {"evp_generate_key_nif", 1, evp_generate_key_nif},
- {"privkey_to_pubkey_nif", 2, privkey_to_pubkey_nif},
- {"srp_value_B_nif", 5, srp_value_B_nif},
- {"srp_user_secret_nif", 7, srp_user_secret_nif},
- {"srp_host_secret_nif", 5, srp_host_secret_nif},
-
- {"ec_key_generate", 2, ec_key_generate},
- {"ecdh_compute_key_nif", 3, ecdh_compute_key_nif},
-
- {"rand_seed_nif", 1, rand_seed_nif},
-
- {"aead_encrypt", 6, aead_encrypt},
- {"aead_decrypt", 6, aead_decrypt},
-
- {"chacha20_stream_init", 2, chacha20_stream_init},
- {"chacha20_stream_encrypt", 2, chacha20_stream_crypt},
- {"chacha20_stream_decrypt", 2, chacha20_stream_crypt},
-
- {"poly1305_nif", 2, poly1305_nif},
-
- {"engine_by_id_nif", 1, engine_by_id_nif},
- {"engine_init_nif", 1, engine_init_nif},
- {"engine_finish_nif", 1, engine_finish_nif},
- {"engine_free_nif", 1, engine_free_nif},
- {"engine_load_dynamic_nif", 0, engine_load_dynamic_nif},
- {"engine_ctrl_cmd_strings_nif", 3, engine_ctrl_cmd_strings_nif},
- {"engine_register_nif", 2, engine_register_nif},
- {"engine_unregister_nif", 2, engine_unregister_nif},
- {"engine_add_nif", 1, engine_add_nif},
- {"engine_remove_nif", 1, engine_remove_nif},
- {"engine_get_first_nif", 0, engine_get_first_nif},
- {"engine_get_next_nif", 1, engine_get_next_nif},
- {"engine_get_id_nif", 1, engine_get_id_nif},
- {"engine_get_name_nif", 1, engine_get_name_nif},
- {"engine_get_all_methods_nif", 0, engine_get_all_methods_nif}
+ {"info_lib", 0, info_lib, 0},
+ {"info_fips", 0, info_fips, 0},
+ {"enable_fips_mode", 1, enable_fips_mode, 0},
+ {"algorithms", 0, algorithms, 0},
+ {"hash_nif", 2, hash_nif, 0},
+ {"hash_init_nif", 1, hash_init_nif, 0},
+ {"hash_update_nif", 2, hash_update_nif, 0},
+ {"hash_final_nif", 1, hash_final_nif, 0},
+ {"hmac_nif", 3, hmac_nif, 0},
+ {"hmac_nif", 4, hmac_nif, 0},
+ {"hmac_init_nif", 2, hmac_init_nif, 0},
+ {"hmac_update_nif", 2, hmac_update_nif, 0},
+ {"hmac_final_nif", 1, hmac_final_nif, 0},
+ {"hmac_final_nif", 2, hmac_final_nif, 0},
+ {"cmac_nif", 3, cmac_nif, 0},
+ {"block_crypt_nif", 5, block_crypt_nif, 0},
+ {"block_crypt_nif", 4, block_crypt_nif, 0},
+ {"aes_ige_crypt_nif", 4, aes_ige_crypt_nif, 0},
+ {"aes_ctr_stream_init", 2, aes_ctr_stream_init, 0},
+ {"aes_ctr_stream_encrypt", 2, aes_ctr_stream_encrypt, 0},
+ {"aes_ctr_stream_decrypt", 2, aes_ctr_stream_encrypt, 0},
+ {"strong_rand_bytes_nif", 1, strong_rand_bytes_nif, 0},
+ {"strong_rand_range_nif", 1, strong_rand_range_nif, 0},
+ {"rand_uniform_nif", 2, rand_uniform_nif, 0},
+ {"mod_exp_nif", 4, mod_exp_nif, 0},
+ {"do_exor", 2, do_exor, 0},
+ {"rc4_set_key", 1, rc4_set_key, 0},
+ {"rc4_encrypt_with_state", 2, rc4_encrypt_with_state, 0},
+ {"pkey_sign_nif", 5, pkey_sign_nif, 0},
+ {"pkey_verify_nif", 6, pkey_verify_nif, 0},
+ {"pkey_crypt_nif", 6, pkey_crypt_nif, 0},
+ {"rsa_generate_key_nif", 2, rsa_generate_key_nif, 0},
+ {"dh_generate_key_nif", 4, dh_generate_key_nif, 0},
+ {"dh_compute_key_nif", 3, dh_compute_key_nif, 0},
+ {"evp_compute_key_nif", 3, evp_compute_key_nif, 0},
+ {"evp_generate_key_nif", 1, evp_generate_key_nif, 0},
+ {"privkey_to_pubkey_nif", 2, privkey_to_pubkey_nif, 0},
+ {"srp_value_B_nif", 5, srp_value_B_nif, 0},
+ {"srp_user_secret_nif", 7, srp_user_secret_nif, 0},
+ {"srp_host_secret_nif", 5, srp_host_secret_nif, 0},
+
+ {"ec_key_generate", 2, ec_key_generate, 0},
+ {"ecdh_compute_key_nif", 3, ecdh_compute_key_nif, 0},
+
+ {"rand_seed_nif", 1, rand_seed_nif, 0},
+
+ {"aead_encrypt", 6, aead_encrypt, 0},
+ {"aead_decrypt", 6, aead_decrypt, 0},
+
+ {"chacha20_stream_init", 2, chacha20_stream_init, 0},
+ {"chacha20_stream_encrypt", 2, chacha20_stream_crypt, 0},
+ {"chacha20_stream_decrypt", 2, chacha20_stream_crypt, 0},
+
+ {"poly1305_nif", 2, poly1305_nif, 0},
+
+ {"engine_by_id_nif", 1, engine_by_id_nif, 0},
+ {"engine_init_nif", 1, engine_init_nif, 0},
+ {"engine_finish_nif", 1, engine_finish_nif, 0},
+ {"engine_free_nif", 1, engine_free_nif, 0},
+ {"engine_load_dynamic_nif", 0, engine_load_dynamic_nif, 0},
+ {"engine_ctrl_cmd_strings_nif", 3, engine_ctrl_cmd_strings_nif, 0},
+ {"engine_register_nif", 2, engine_register_nif, 0},
+ {"engine_unregister_nif", 2, engine_unregister_nif, 0},
+ {"engine_add_nif", 1, engine_add_nif, 0},
+ {"engine_remove_nif", 1, engine_remove_nif, 0},
+ {"engine_get_first_nif", 0, engine_get_first_nif, 0},
+ {"engine_get_next_nif", 1, engine_get_next_nif, 0},
+ {"engine_get_id_nif", 1, engine_get_id_nif, 0},
+ {"engine_get_name_nif", 1, engine_get_name_nif, 0},
+ {"engine_get_all_methods_nif", 0, engine_get_all_methods_nif, 0}
};
ERL_NIF_INIT(crypto,nif_funcs,load,NULL,upgrade,unload)
-#define MD5_CTX_LEN (sizeof(MD5_CTX))
-#define MD4_CTX_LEN (sizeof(MD4_CTX))
-#define RIPEMD160_CTX_LEN (sizeof(RIPEMD160_CTX))
-
-
-static ERL_NIF_TERM atom_true;
-static ERL_NIF_TERM atom_false;
-static ERL_NIF_TERM atom_sha;
-static ERL_NIF_TERM atom_error;
-static ERL_NIF_TERM atom_rsa_pkcs1_padding;
-static ERL_NIF_TERM atom_rsa_pkcs1_oaep_padding;
-static ERL_NIF_TERM atom_rsa_no_padding;
-static ERL_NIF_TERM atom_signature_md;
-static ERL_NIF_TERM atom_undefined;
-
-static ERL_NIF_TERM atom_ok;
-static ERL_NIF_TERM atom_not_prime;
-static ERL_NIF_TERM atom_not_strong_prime;
-static ERL_NIF_TERM atom_unable_to_check_generator;
-static ERL_NIF_TERM atom_not_suitable_generator;
-static ERL_NIF_TERM atom_check_failed;
-static ERL_NIF_TERM atom_unknown;
-static ERL_NIF_TERM atom_none;
-static ERL_NIF_TERM atom_notsup;
-static ERL_NIF_TERM atom_digest;
-#ifdef FIPS_SUPPORT
-static ERL_NIF_TERM atom_enabled;
-static ERL_NIF_TERM atom_not_enabled;
-#else
-static ERL_NIF_TERM atom_not_supported;
-#endif
-
-#if defined(HAVE_EC)
-static ERL_NIF_TERM atom_ec;
-static ERL_NIF_TERM atom_prime_field;
-static ERL_NIF_TERM atom_characteristic_two_field;
-static ERL_NIF_TERM atom_tpbasis;
-static ERL_NIF_TERM atom_ppbasis;
-static ERL_NIF_TERM atom_onbasis;
-#endif
-
-static ERL_NIF_TERM atom_aes_cfb8;
-static ERL_NIF_TERM atom_aes_cfb128;
-#ifdef HAVE_GCM
-static ERL_NIF_TERM atom_aes_gcm;
-#endif
-#ifdef HAVE_CCM
-static ERL_NIF_TERM atom_aes_ccm;
-#endif
-#ifdef HAVE_CHACHA20_POLY1305
-static ERL_NIF_TERM atom_chacha20_poly1305;
-#endif
-#ifdef HAVE_ECB_IVEC_BUG
-static ERL_NIF_TERM atom_aes_ecb;
-static ERL_NIF_TERM atom_des_ecb;
-static ERL_NIF_TERM atom_blowfish_ecb;
-#endif
-
-static ERL_NIF_TERM atom_rsa;
-static ERL_NIF_TERM atom_dss;
-static ERL_NIF_TERM atom_ecdsa;
-
-#ifdef HAVE_ED_CURVE_DH
-static ERL_NIF_TERM atom_x25519;
-static ERL_NIF_TERM atom_x448;
-#endif
-
-static ERL_NIF_TERM atom_eddsa;
-#ifdef HAVE_EDDSA
-static ERL_NIF_TERM atom_ed25519;
-static ERL_NIF_TERM atom_ed448;
-#endif
-
-static ERL_NIF_TERM atom_rsa_mgf1_md;
-static ERL_NIF_TERM atom_rsa_oaep_label;
-static ERL_NIF_TERM atom_rsa_oaep_md;
-static ERL_NIF_TERM atom_rsa_pad; /* backwards compatibility */
-static ERL_NIF_TERM atom_rsa_padding;
-static ERL_NIF_TERM atom_rsa_pkcs1_pss_padding;
-#ifdef HAVE_RSA_SSLV23_PADDING
-static ERL_NIF_TERM atom_rsa_sslv23_padding;
-#endif
-static ERL_NIF_TERM atom_rsa_x931_padding;
-static ERL_NIF_TERM atom_rsa_pss_saltlen;
-static ERL_NIF_TERM atom_sha224;
-static ERL_NIF_TERM atom_sha256;
-static ERL_NIF_TERM atom_sha384;
-static ERL_NIF_TERM atom_sha512;
-static ERL_NIF_TERM atom_sha3_224;
-static ERL_NIF_TERM atom_sha3_256;
-static ERL_NIF_TERM atom_sha3_384;
-static ERL_NIF_TERM atom_sha3_512;
-static ERL_NIF_TERM atom_md5;
-static ERL_NIF_TERM atom_ripemd160;
-
-#ifdef HAS_ENGINE_SUPPORT
-static ERL_NIF_TERM atom_bad_engine_method;
-static ERL_NIF_TERM atom_bad_engine_id;
-static ERL_NIF_TERM atom_ctrl_cmd_failed;
-static ERL_NIF_TERM atom_engine_init_failed;
-static ERL_NIF_TERM atom_register_engine_failed;
-static ERL_NIF_TERM atom_add_engine_failed;
-static ERL_NIF_TERM atom_remove_engine_failed;
-static ERL_NIF_TERM atom_engine_method_not_supported;
-
-static ERL_NIF_TERM atom_engine_method_rsa;
-static ERL_NIF_TERM atom_engine_method_dsa;
-static ERL_NIF_TERM atom_engine_method_dh;
-static ERL_NIF_TERM atom_engine_method_rand;
-static ERL_NIF_TERM atom_engine_method_ecdh;
-static ERL_NIF_TERM atom_engine_method_ecdsa;
-static ERL_NIF_TERM atom_engine_method_ciphers;
-static ERL_NIF_TERM atom_engine_method_digests;
-static ERL_NIF_TERM atom_engine_method_store;
-static ERL_NIF_TERM atom_engine_method_pkey_meths;
-static ERL_NIF_TERM atom_engine_method_pkey_asn1_meths;
-static ERL_NIF_TERM atom_engine_method_ec;
-
-static ERL_NIF_TERM atom_engine;
-static ERL_NIF_TERM atom_key_id;
-static ERL_NIF_TERM atom_password;
-#endif
-
-static ErlNifResourceType* hmac_context_rtype;
-struct hmac_context
-{
- ErlNifMutex* mtx;
- int alive;
- HMAC_CTX* ctx;
-};
-static void hmac_context_dtor(ErlNifEnv* env, struct hmac_context*);
-
-struct digest_type_t {
- union {
- const char* str; /* before init, NULL for end-of-table */
- ERL_NIF_TERM atom; /* after init, 'false' for end-of-table */
- }type;
- union {
- const EVP_MD* (*funcp)(void); /* before init, NULL if notsup */
- const EVP_MD* p; /* after init, NULL if notsup */
- }md;
-};
-
-static struct digest_type_t digest_types[] =
-{
- {{"md4"}, {&EVP_md4}},
- {{"md5"}, {&EVP_md5}},
- {{"ripemd160"}, {&EVP_ripemd160}},
- {{"sha"}, {&EVP_sha1}},
- {{"sha224"},
-#ifdef HAVE_SHA224
- {&EVP_sha224}
-#else
- {NULL}
-#endif
- },
- {{"sha256"},
-#ifdef HAVE_SHA256
- {&EVP_sha256}
-#else
- {NULL}
-#endif
- },
- {{"sha384"},
-#ifdef HAVE_SHA384
- {&EVP_sha384}
-#else
- {NULL}
-#endif
- },
- {{"sha512"},
-#ifdef HAVE_SHA512
- {&EVP_sha512}
-#else
- {NULL}
-#endif
- },
- {{"sha3_224"},
-#ifdef HAVE_SHA3_224
- {&EVP_sha3_224}
-#else
- {NULL}
-#endif
- },
- {{"sha3_256"},
-#ifdef HAVE_SHA3_256
- {&EVP_sha3_256}
-#else
- {NULL}
-#endif
- },
- {{"sha3_384"},
-#ifdef HAVE_SHA3_384
- {&EVP_sha3_384}
-#else
- {NULL}
-#endif
- },
- {{"sha3_512"},
-#ifdef HAVE_SHA3_512
- {&EVP_sha3_512}
-#else
- {NULL}
-#endif
- },
-
- {{NULL}}
-};
-
-static struct digest_type_t* get_digest_type(ERL_NIF_TERM type);
-
-struct cipher_type_t {
- union {
- const char* str; /* before init */
- ERL_NIF_TERM atom; /* after init */
- }type;
- union {
- const EVP_CIPHER* (*funcp)(void); /* before init, NULL if notsup */
- const EVP_CIPHER* p; /* after init, NULL if notsup */
- }cipher;
- const size_t key_len; /* != 0 to also match on key_len */
-};
-
-#ifdef OPENSSL_NO_DES
-#define COND_NO_DES_PTR(Ptr) (NULL)
-#else
-#define COND_NO_DES_PTR(Ptr) (Ptr)
-#endif
-
-static struct cipher_type_t cipher_types[] =
-{
- {{"rc2_cbc"},
-#ifndef OPENSSL_NO_RC2
- {&EVP_rc2_cbc}
-#else
- {NULL}
-#endif
- },
- {{"des_cbc"}, {COND_NO_DES_PTR(&EVP_des_cbc)}},
- {{"des_cfb"}, {COND_NO_DES_PTR(&EVP_des_cfb8)}},
- {{"des_ecb"}, {COND_NO_DES_PTR(&EVP_des_ecb)}},
- {{"des_ede3_cbc"}, {COND_NO_DES_PTR(&EVP_des_ede3_cbc)}},
- {{"des_ede3_cbf"}, /* Misspelled, retained */
-#ifdef HAVE_DES_ede3_cfb_encrypt
- {COND_NO_DES_PTR(&EVP_des_ede3_cfb8)}
-#else
- {NULL}
-#endif
- },
- {{"des_ede3_cfb"},
-#ifdef HAVE_DES_ede3_cfb_encrypt
- {COND_NO_DES_PTR(&EVP_des_ede3_cfb8)}
-#else
- {NULL}
-#endif
- },
- {{"blowfish_cbc"}, {&EVP_bf_cbc}},
- {{"blowfish_cfb64"}, {&EVP_bf_cfb64}},
- {{"blowfish_ofb64"}, {&EVP_bf_ofb}},
- {{"blowfish_ecb"}, {&EVP_bf_ecb}},
- {{"aes_cbc"}, {&EVP_aes_128_cbc}, 16},
- {{"aes_cbc"}, {&EVP_aes_192_cbc}, 24},
- {{"aes_cbc"}, {&EVP_aes_256_cbc}, 32},
- {{"aes_cbc128"}, {&EVP_aes_128_cbc}},
- {{"aes_cbc256"}, {&EVP_aes_256_cbc}},
- {{"aes_cfb8"}, {&EVP_aes_128_cfb8}},
- {{"aes_cfb128"}, {&EVP_aes_128_cfb128}},
- {{"aes_ecb"}, {&EVP_aes_128_ecb}, 16},
- {{"aes_ecb"}, {&EVP_aes_192_ecb}, 24},
- {{"aes_ecb"}, {&EVP_aes_256_ecb}, 32},
- {{NULL}}
-};
-
-static struct cipher_type_t* get_cipher_type(ERL_NIF_TERM type, size_t key_len);
-
-
-/*
-#define PRINTF_ERR0(FMT) enif_fprintf(stderr, FMT "\n")
-#define PRINTF_ERR1(FMT, A1) enif_fprintf(stderr, FMT "\n", A1)
-#define PRINTF_ERR2(FMT, A1, A2) enif_fprintf(stderr, FMT "\n", A1, A2)
-*/
-
-#define PRINTF_ERR0(FMT)
-#define PRINTF_ERR1(FMT,A1)
-#define PRINTF_ERR2(FMT,A1,A2)
-
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0)
-/* Define resource types for OpenSSL context structures. */
-static ErlNifResourceType* evp_md_ctx_rtype;
-struct evp_md_ctx {
- EVP_MD_CTX* ctx;
-};
-static void evp_md_ctx_dtor(ErlNifEnv* env, struct evp_md_ctx *ctx) {
- EVP_MD_CTX_free(ctx->ctx);
-}
-#endif
-
-#ifdef HAVE_EVP_AES_CTR
-static ErlNifResourceType* evp_cipher_ctx_rtype;
-struct evp_cipher_ctx {
- EVP_CIPHER_CTX* ctx;
-};
-static void evp_cipher_ctx_dtor(ErlNifEnv* env, struct evp_cipher_ctx* ctx) {
- EVP_CIPHER_CTX_free(ctx->ctx);
-}
-#endif
-
-// Engine
-#ifdef HAS_ENGINE_SUPPORT
-static ErlNifResourceType* engine_ctx_rtype;
-struct engine_ctx {
- ENGINE *engine;
- char *id;
-};
-static void engine_ctx_dtor(ErlNifEnv* env, struct engine_ctx* ctx) {
- PRINTF_ERR0("engine_ctx_dtor");
- if(ctx->id) {
- PRINTF_ERR1(" non empty ctx->id=%s", ctx->id);
- enif_free(ctx->id);
- } else
- PRINTF_ERR0(" empty ctx->id=NULL");
-}
-#endif
static int verify_lib_version(void)
{
@@ -1015,46 +153,6 @@ static int verify_lib_version(void)
return 1;
}
-#ifdef FIPS_SUPPORT
-/* In FIPS mode non-FIPS algorithms are disabled and return badarg. */
-#define CHECK_NO_FIPS_MODE() { if (FIPS_mode()) return atom_notsup; }
-#else
-#define CHECK_NO_FIPS_MODE()
-#endif
-
-#ifdef HAVE_DYNAMIC_CRYPTO_LIB
-
-# if defined(DEBUG)
-static char crypto_callback_name[] = "crypto_callback.debug";
-# elif defined(VALGRIND)
-static char crypto_callback_name[] = "crypto_callback.valgrind";
-# else
-static char crypto_callback_name[] = "crypto_callback";
-# endif
-
-static int change_basename(ErlNifBinary* bin, char* buf, int bufsz, const char* newfile)
-{
- int i;
-
- for (i = bin->size; i > 0; i--) {
- if (bin->data[i-1] == '/')
- break;
- }
- if (i + strlen(newfile) >= bufsz) {
- PRINTF_ERR0("CRYPTO: lib name too long");
- return 0;
- }
- memcpy(buf, bin->data, i);
- strcpy(buf+i, newfile);
- return 1;
-}
-
-static void error_handler(void* null, const char* errstr)
-{
- PRINTF_ERR1("CRYPTO LOADING ERROR: '%s'", errstr);
-}
-#endif /* HAVE_DYNAMIC_CRYPTO_LIB */
-
static int initialize(ErlNifEnv* env, ERL_NIF_TERM load_info)
{
#ifdef OPENSSL_THREADS
@@ -1068,59 +166,37 @@ static int initialize(ErlNifEnv* env, ERL_NIF_TERM load_info)
int vernum;
ErlNifBinary lib_bin;
char lib_buf[1000];
+#ifdef HAVE_DYNAMIC_CRYPTO_LIB
+ void *handle;
+#endif
if (!verify_lib_version())
return __LINE__;
/* load_info: {302, <<"/full/path/of/this/library">>,true|false} */
- if (!enif_get_tuple(env, load_info, &tpl_arity, &tpl_array)
- || tpl_arity != 3
- || !enif_get_int(env, tpl_array[0], &vernum)
- || vernum != 302
- || !enif_inspect_binary(env, tpl_array[1], &lib_bin)) {
-
- PRINTF_ERR1("CRYPTO: Invalid load_info '%T'", load_info);
- return __LINE__;
- }
+ if (!enif_get_tuple(env, load_info, &tpl_arity, &tpl_array))
+ return __LINE__;
+ if (tpl_arity != 3)
+ return __LINE__;
+ if (!enif_get_int(env, tpl_array[0], &vernum))
+ return __LINE__;
+ if (vernum != 302)
+ return __LINE__;
+ if (!enif_inspect_binary(env, tpl_array[1], &lib_bin))
+ return __LINE__;
- hmac_context_rtype = enif_open_resource_type(env, NULL, "hmac_context",
- (ErlNifResourceDtor*) hmac_context_dtor,
- ERL_NIF_RT_CREATE|ERL_NIF_RT_TAKEOVER,
- NULL);
- if (!hmac_context_rtype) {
- PRINTF_ERR0("CRYPTO: Could not open resource type 'hmac_context'");
+ if (!init_hmac_ctx(env)) {
return __LINE__;
}
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0)
- evp_md_ctx_rtype = enif_open_resource_type(env, NULL, "EVP_MD_CTX",
- (ErlNifResourceDtor*) evp_md_ctx_dtor,
- ERL_NIF_RT_CREATE|ERL_NIF_RT_TAKEOVER,
- NULL);
- if (!evp_md_ctx_rtype) {
- PRINTF_ERR0("CRYPTO: Could not open resource type 'EVP_MD_CTX'");
+ if (!init_hash_ctx(env)) {
return __LINE__;
}
-#endif
-#ifdef HAVE_EVP_AES_CTR
- evp_cipher_ctx_rtype = enif_open_resource_type(env, NULL, "EVP_CIPHER_CTX",
- (ErlNifResourceDtor*) evp_cipher_ctx_dtor,
- ERL_NIF_RT_CREATE|ERL_NIF_RT_TAKEOVER,
- NULL);
- if (!evp_cipher_ctx_rtype) {
- PRINTF_ERR0("CRYPTO: Could not open resource type 'EVP_CIPHER_CTX'");
+ if (!init_cipher_ctx(env)) {
return __LINE__;
}
-#endif
-#ifdef HAS_ENGINE_SUPPORT
- engine_ctx_rtype = enif_open_resource_type(env, NULL, "ENGINE_CTX",
- (ErlNifResourceDtor*) engine_ctx_dtor,
- ERL_NIF_RT_CREATE|ERL_NIF_RT_TAKEOVER,
- NULL);
- if (!engine_ctx_rtype) {
- PRINTF_ERR0("CRYPTO: Could not open resource type 'ENGINE_CTX'");
+ if (!init_engine_ctx(env)) {
return __LINE__;
}
-#endif
if (library_initialized) {
/* Repeated loading of this library (module upgrade).
@@ -1129,149 +205,18 @@ static int initialize(ErlNifEnv* env, ERL_NIF_TERM load_info)
return 0;
}
- atom_true = enif_make_atom(env,"true");
- atom_false = enif_make_atom(env,"false");
- /* Enter FIPS mode */
- if (tpl_array[2] == atom_true) {
-#ifdef FIPS_SUPPORT
- if (!FIPS_mode_set(1)) {
-#else
- {
-#endif
- PRINTF_ERR0("CRYPTO: Could not setup FIPS mode");
- return 0;
- }
- } else if (tpl_array[2] != atom_false) {
- PRINTF_ERR1("CRYPTO: Invalid load_info '%T'", load_info);
- return 0;
+ if (!init_atoms(env, tpl_array[2], load_info)) {
+ return __LINE__;
}
- atom_sha = enif_make_atom(env,"sha");
- atom_error = enif_make_atom(env,"error");
- atom_rsa_pkcs1_padding = enif_make_atom(env,"rsa_pkcs1_padding");
- atom_rsa_pkcs1_oaep_padding = enif_make_atom(env,"rsa_pkcs1_oaep_padding");
- atom_rsa_no_padding = enif_make_atom(env,"rsa_no_padding");
- atom_signature_md = enif_make_atom(env,"signature_md");
- atom_undefined = enif_make_atom(env,"undefined");
- atom_ok = enif_make_atom(env,"ok");
- atom_not_prime = enif_make_atom(env,"not_prime");
- atom_not_strong_prime = enif_make_atom(env,"not_strong_prime");
- atom_unable_to_check_generator = enif_make_atom(env,"unable_to_check_generator");
- atom_not_suitable_generator = enif_make_atom(env,"not_suitable_generator");
- atom_check_failed = enif_make_atom(env,"check_failed");
- atom_unknown = enif_make_atom(env,"unknown");
- atom_none = enif_make_atom(env,"none");
- atom_notsup = enif_make_atom(env,"notsup");
- atom_digest = enif_make_atom(env,"digest");
-
-#if defined(HAVE_EC)
- atom_ec = enif_make_atom(env,"ec");
- atom_prime_field = enif_make_atom(env,"prime_field");
- atom_characteristic_two_field = enif_make_atom(env,"characteristic_two_field");
- atom_tpbasis = enif_make_atom(env,"tpbasis");
- atom_ppbasis = enif_make_atom(env,"ppbasis");
- atom_onbasis = enif_make_atom(env,"onbasis");
-#endif
-
- atom_aes_cfb8 = enif_make_atom(env, "aes_cfb8");
- atom_aes_cfb128 = enif_make_atom(env, "aes_cfb128");
-#ifdef HAVE_GCM
- atom_aes_gcm = enif_make_atom(env, "aes_gcm");
-#endif
-#ifdef HAVE_CCM
- atom_aes_ccm = enif_make_atom(env, "aes_ccm");
-#endif
-#ifdef HAVE_CHACHA20_POLY1305
- atom_chacha20_poly1305 = enif_make_atom(env,"chacha20_poly1305");
-#endif
-#ifdef HAVE_ECB_IVEC_BUG
- atom_aes_ecb = enif_make_atom(env, "aes_ecb");
- atom_des_ecb = enif_make_atom(env, "des_ecb");
- atom_blowfish_ecb = enif_make_atom(env, "blowfish_ecb");
-#endif
-
-#ifdef FIPS_SUPPORT
- atom_enabled = enif_make_atom(env,"enabled");
- atom_not_enabled = enif_make_atom(env,"not_enabled");
-#else
- atom_not_supported = enif_make_atom(env,"not_supported");
-#endif
- atom_rsa = enif_make_atom(env,"rsa");
- atom_dss = enif_make_atom(env,"dss");
- atom_ecdsa = enif_make_atom(env,"ecdsa");
-#ifdef HAVE_ED_CURVE_DH
- atom_x25519 = enif_make_atom(env,"x25519");
- atom_x448 = enif_make_atom(env,"x448");
-#endif
- atom_eddsa = enif_make_atom(env,"eddsa");
-#ifdef HAVE_EDDSA
- atom_ed25519 = enif_make_atom(env,"ed25519");
- atom_ed448 = enif_make_atom(env,"ed448");
-#endif
- atom_rsa_mgf1_md = enif_make_atom(env,"rsa_mgf1_md");
- atom_rsa_oaep_label = enif_make_atom(env,"rsa_oaep_label");
- atom_rsa_oaep_md = enif_make_atom(env,"rsa_oaep_md");
- atom_rsa_pad = enif_make_atom(env,"rsa_pad"); /* backwards compatibility */
- atom_rsa_padding = enif_make_atom(env,"rsa_padding");
- atom_rsa_pkcs1_pss_padding = enif_make_atom(env,"rsa_pkcs1_pss_padding");
-#ifdef HAVE_RSA_SSLV23_PADDING
- atom_rsa_sslv23_padding = enif_make_atom(env,"rsa_sslv23_padding");
-#endif
- atom_rsa_x931_padding = enif_make_atom(env,"rsa_x931_padding");
- atom_rsa_pss_saltlen = enif_make_atom(env,"rsa_pss_saltlen");
- atom_sha224 = enif_make_atom(env,"sha224");
- atom_sha256 = enif_make_atom(env,"sha256");
- atom_sha384 = enif_make_atom(env,"sha384");
- atom_sha512 = enif_make_atom(env,"sha512");
- atom_sha3_224 = enif_make_atom(env,"sha3_224");
- atom_sha3_256 = enif_make_atom(env,"sha3_256");
- atom_sha3_384 = enif_make_atom(env,"sha3_384");
- atom_sha3_512 = enif_make_atom(env,"sha3_512");
- atom_md5 = enif_make_atom(env,"md5");
- atom_ripemd160 = enif_make_atom(env,"ripemd160");
-
-#ifdef HAS_ENGINE_SUPPORT
- atom_bad_engine_method = enif_make_atom(env,"bad_engine_method");
- atom_bad_engine_id = enif_make_atom(env,"bad_engine_id");
- atom_ctrl_cmd_failed = enif_make_atom(env,"ctrl_cmd_failed");
- atom_engine_init_failed = enif_make_atom(env,"engine_init_failed");
- atom_engine_method_not_supported = enif_make_atom(env,"engine_method_not_supported");
- atom_add_engine_failed = enif_make_atom(env,"add_engine_failed");
- atom_remove_engine_failed = enif_make_atom(env,"remove_engine_failed");
-
- atom_engine_method_rsa = enif_make_atom(env,"engine_method_rsa");
- atom_engine_method_dsa = enif_make_atom(env,"engine_method_dsa");
- atom_engine_method_dh = enif_make_atom(env,"engine_method_dh");
- atom_engine_method_rand = enif_make_atom(env,"engine_method_rand");
- atom_engine_method_ecdh = enif_make_atom(env,"engine_method_ecdh");
- atom_engine_method_ecdsa = enif_make_atom(env,"engine_method_ecdsa");
- atom_engine_method_store = enif_make_atom(env,"engine_method_store");
- atom_engine_method_ciphers = enif_make_atom(env,"engine_method_ciphers");
- atom_engine_method_digests = enif_make_atom(env,"engine_method_digests");
- atom_engine_method_pkey_meths = enif_make_atom(env,"engine_method_pkey_meths");
- atom_engine_method_pkey_asn1_meths = enif_make_atom(env,"engine_method_pkey_asn1_meths");
- atom_engine_method_ec = enif_make_atom(env,"engine_method_ec");
-
- atom_engine = enif_make_atom(env,"engine");
- atom_key_id = enif_make_atom(env,"key_id");
- atom_password = enif_make_atom(env,"password");
-#endif
-
-
#ifdef HAVE_DYNAMIC_CRYPTO_LIB
- {
- void* handle;
- if (!change_basename(&lib_bin, lib_buf, sizeof(lib_buf), crypto_callback_name)) {
- return __LINE__;
- }
- if (!(handle = enif_dlopen(lib_buf, &error_handler, NULL))) {
- return __LINE__;
- }
- if (!(funcp = (get_crypto_callbacks_t*) enif_dlsym(handle, "get_crypto_callbacks",
- &error_handler, NULL))) {
- return __LINE__;
- }
- }
+ if (!change_basename(&lib_bin, lib_buf, sizeof(lib_buf), crypto_callback_name))
+ return __LINE__;
+ if ((handle = enif_dlopen(lib_buf, &error_handler, NULL)) == NULL)
+ return __LINE__;
+ if ((funcp = (get_crypto_callbacks_t*) enif_dlsym(handle, "get_crypto_callbacks",
+ &error_handler, NULL)) == NULL)
+ return __LINE__;
#else /* !HAVE_DYNAMIC_CRYPTO_LIB */
funcp = &get_crypto_callbacks;
#endif
@@ -1291,7 +236,10 @@ static int initialize(ErlNifEnv* env, ERL_NIF_TERM load_info)
return __LINE__;
}
- CRYPTO_set_mem_functions(ccb->crypto_alloc, ccb->crypto_realloc, ccb->crypto_free);
+#ifdef HAS_CRYPTO_MEM_FUNCTIONS
+ if (!CRYPTO_set_mem_functions(ccb->crypto_alloc, ccb->crypto_realloc, ccb->crypto_free))
+ return __LINE__;
+#endif
#ifdef OPENSSL_THREADS
if (nlocks > 0) {
@@ -1345,4806 +293,3 @@ static void unload(ErlNifEnv* env, void* priv_data)
{
--library_refc;
}
-
-static int algo_hash_cnt, algo_hash_fips_cnt;
-static ERL_NIF_TERM algo_hash[12]; /* increase when extending the list */
-static int algo_pubkey_cnt, algo_pubkey_fips_cnt;
-static ERL_NIF_TERM algo_pubkey[12]; /* increase when extending the list */
-static int algo_cipher_cnt, algo_cipher_fips_cnt;
-static ERL_NIF_TERM algo_cipher[25]; /* increase when extending the list */
-static int algo_mac_cnt, algo_mac_fips_cnt;
-static ERL_NIF_TERM algo_mac[3]; /* increase when extending the list */
-static int algo_curve_cnt, algo_curve_fips_cnt;
-static ERL_NIF_TERM algo_curve[89]; /* increase when extending the list */
-static int algo_rsa_opts_cnt, algo_rsa_opts_fips_cnt;
-static ERL_NIF_TERM algo_rsa_opts[11]; /* increase when extending the list */
-
-static void init_algorithms_types(ErlNifEnv* env)
-{
- // Validated algorithms first
- algo_hash_cnt = 0;
- algo_hash[algo_hash_cnt++] = atom_sha;
-#ifdef HAVE_SHA224
- algo_hash[algo_hash_cnt++] = enif_make_atom(env, "sha224");
-#endif
-#ifdef HAVE_SHA256
- algo_hash[algo_hash_cnt++] = enif_make_atom(env, "sha256");
-#endif
-#ifdef HAVE_SHA384
- algo_hash[algo_hash_cnt++] = enif_make_atom(env, "sha384");
-#endif
-#ifdef HAVE_SHA512
- algo_hash[algo_hash_cnt++] = enif_make_atom(env, "sha512");
-#endif
-#ifdef HAVE_SHA3_224
- algo_hash[algo_hash_cnt++] = enif_make_atom(env, "sha3_224");
-#endif
-#ifdef HAVE_SHA3_256
- algo_hash[algo_hash_cnt++] = enif_make_atom(env, "sha3_256");
-#endif
-#ifdef HAVE_SHA3_384
- algo_hash[algo_hash_cnt++] = enif_make_atom(env, "sha3_384");
-#endif
-#ifdef HAVE_SHA3_512
- algo_hash[algo_hash_cnt++] = enif_make_atom(env, "sha3_512");
-#endif
- // Non-validated algorithms follow
- algo_hash_fips_cnt = algo_hash_cnt;
- algo_hash[algo_hash_cnt++] = enif_make_atom(env, "md4");
- algo_hash[algo_hash_cnt++] = enif_make_atom(env, "md5");
- algo_hash[algo_hash_cnt++] = enif_make_atom(env, "ripemd160");
-
- algo_pubkey_cnt = 0;
- algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env, "rsa");
- algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env, "dss");
- algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env, "dh");
-#if defined(HAVE_EC)
-#if !defined(OPENSSL_NO_EC2M)
- algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env, "ec_gf2m");
-#endif
- algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env, "ecdsa");
- algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env, "ecdh");
-#endif
- // Non-validated algorithms follow
- algo_pubkey_fips_cnt = algo_pubkey_cnt;
- // Don't know if Edward curves are fips validated
-#if defined(HAVE_EDDSA)
- algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env, "eddsa");
-#endif
- algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env, "srp");
-
- // Validated algorithms first
- algo_cipher_cnt = 0;
-#ifndef OPENSSL_NO_DES
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "des3_cbc");
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "des_ede3");
-#ifdef HAVE_DES_ede3_cfb_encrypt
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "des3_cbf");
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "des3_cfb");
-#endif
-#endif
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cbc");
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cbc128");
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cfb8");
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cfb128");
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cbc256");
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_ctr");
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_ecb");
-#if defined(HAVE_GCM)
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"aes_gcm");
-#endif
-#if defined(HAVE_CCM)
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"aes_ccm");
-#endif
- // Non-validated algorithms follow
- algo_cipher_fips_cnt = algo_cipher_cnt;
-#ifdef HAVE_AES_IGE
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"aes_ige256");
-#endif
-#ifndef OPENSSL_NO_DES
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"des_cbc");
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"des_cfb");
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"des_ecb");
-#endif
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"blowfish_cbc");
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"blowfish_cfb64");
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"blowfish_ofb64");
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"blowfish_ecb");
-#ifndef OPENSSL_NO_RC2
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"rc2_cbc");
-#endif
-#ifndef OPENSSL_NO_RC4
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"rc4");
-#endif
-#if defined(HAVE_CHACHA20_POLY1305)
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"chacha20_poly1305");
-#endif
-#if defined(HAVE_CHACHA20)
- algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"chacha20");
-#endif
-
- // Validated algorithms first
- algo_mac_cnt = 0;
- algo_mac[algo_mac_cnt++] = enif_make_atom(env,"hmac");
-#ifdef HAVE_CMAC
- algo_mac[algo_mac_cnt++] = enif_make_atom(env,"cmac");
-#endif
-#ifdef HAVE_POLY1305
- algo_mac[algo_mac_cnt++] = enif_make_atom(env,"poly1305");
-#endif
- // Non-validated algorithms follow
- algo_mac_fips_cnt = algo_mac_cnt;
-
- // Validated algorithms first
- algo_curve_cnt = 0;
-#if defined(HAVE_EC)
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"secp160k1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"secp160r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"secp160r2");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"secp192r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"secp192k1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"secp224k1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"secp224r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"secp256k1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"secp256r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"secp384r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"secp521r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"prime192v1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"prime192v2");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"prime192v3");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"prime239v1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"prime239v2");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"prime239v3");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"prime256v1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"wtls7");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"wtls9");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"wtls12");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"brainpoolP160r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"brainpoolP160t1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"brainpoolP192r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"brainpoolP192t1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"brainpoolP224r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"brainpoolP224t1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"brainpoolP256r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"brainpoolP256t1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"brainpoolP320r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"brainpoolP320t1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"brainpoolP384r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"brainpoolP384t1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"brainpoolP512r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"brainpoolP512t1");
-#if !defined(OPENSSL_NO_EC2M)
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect163k1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect163r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect163r2");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect193r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect193r2");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect233k1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect233r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect239k1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect283k1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect283r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect409k1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect409r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect571k1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect571r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2pnb163v1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2pnb163v2");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2pnb163v3");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2pnb176v1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2tnb191v1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2tnb191v2");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2tnb191v3");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2pnb208w1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2tnb239v1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2tnb239v2");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2tnb239v3");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2pnb272w1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2pnb304w1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2tnb359v1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2pnb368w1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"c2tnb431r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"wtls3");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"wtls5");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"wtls10");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"wtls11");
-#endif
-#endif
- // Non-validated algorithms follow
- algo_curve_fips_cnt = algo_curve_cnt;
-#if defined(HAVE_EC)
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"secp112r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"secp112r2");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"secp128r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"secp128r2");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"wtls6");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"wtls8");
-#if !defined(OPENSSL_NO_EC2M)
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect113r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect113r2");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect131r1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"sect131r2");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"wtls1");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"wtls4");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"ipsec3");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"ipsec4");
-#endif
-#endif
- //--
-#ifdef HAVE_EDDSA
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"ed25519");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"ed448");
-#endif
-#ifdef HAVE_ED_CURVE_DH
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"x25519");
- algo_curve[algo_curve_cnt++] = enif_make_atom(env,"x448");
-#endif
-
- // Validated algorithms first
- algo_rsa_opts_cnt = 0;
-#ifdef HAS_EVP_PKEY_CTX
-# ifdef HAVE_RSA_PKCS1_PSS_PADDING
- algo_rsa_opts[algo_rsa_opts_cnt++] = enif_make_atom(env,"rsa_pkcs1_pss_padding");
- algo_rsa_opts[algo_rsa_opts_cnt++] = enif_make_atom(env,"rsa_pss_saltlen");
-# endif
-# ifdef HAVE_RSA_MGF1_MD
- algo_rsa_opts[algo_rsa_opts_cnt++] = enif_make_atom(env,"rsa_mgf1_md");
-# endif
-# ifdef HAVE_RSA_OAEP_PADDING
- algo_rsa_opts[algo_rsa_opts_cnt++] = enif_make_atom(env,"rsa_pkcs1_oaep_padding");
-# endif
-# ifdef HAVE_RSA_OAEP_MD
- algo_rsa_opts[algo_rsa_opts_cnt++] = enif_make_atom(env,"rsa_oaep_label");
- algo_rsa_opts[algo_rsa_opts_cnt++] = enif_make_atom(env,"rsa_oaep_md");
-# endif
- algo_rsa_opts[algo_rsa_opts_cnt++] = enif_make_atom(env,"signature_md");
-#endif
- algo_rsa_opts[algo_rsa_opts_cnt++] = enif_make_atom(env,"rsa_pkcs1_padding");
- algo_rsa_opts[algo_rsa_opts_cnt++] = enif_make_atom(env,"rsa_x931_padding");
-#ifdef HAVE_RSA_SSLV23_PADDING
- algo_rsa_opts[algo_rsa_opts_cnt++] = enif_make_atom(env,"rsa_sslv23_padding");
-#endif
- algo_rsa_opts[algo_rsa_opts_cnt++] = enif_make_atom(env,"rsa_no_padding");
- algo_rsa_opts_fips_cnt = algo_rsa_opts_cnt;
-
-
- // Check that the max number of algos is updated
- ASSERT(algo_hash_cnt <= sizeof(algo_hash)/sizeof(ERL_NIF_TERM));
- ASSERT(algo_pubkey_cnt <= sizeof(algo_pubkey)/sizeof(ERL_NIF_TERM));
- ASSERT(algo_cipher_cnt <= sizeof(algo_cipher)/sizeof(ERL_NIF_TERM));
- ASSERT(algo_mac_cnt <= sizeof(algo_mac)/sizeof(ERL_NIF_TERM));
- ASSERT(algo_curve_cnt <= sizeof(algo_curve)/sizeof(ERL_NIF_TERM));
- ASSERT(algo_rsa_opts_cnt <= sizeof(algo_rsa_opts)/sizeof(ERL_NIF_TERM));
-}
-
-static ERL_NIF_TERM algorithms(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{
-#ifdef FIPS_SUPPORT
- int fips_mode = FIPS_mode();
- int hash_cnt = fips_mode ? algo_hash_fips_cnt : algo_hash_cnt;
- int pubkey_cnt = fips_mode ? algo_pubkey_fips_cnt : algo_pubkey_cnt;
- int cipher_cnt = fips_mode ? algo_cipher_fips_cnt : algo_cipher_cnt;
- int mac_cnt = fips_mode ? algo_mac_fips_cnt : algo_mac_cnt;
- int curve_cnt = fips_mode ? algo_curve_fips_cnt : algo_curve_cnt;
- int rsa_opts_cnt = fips_mode ? algo_rsa_opts_fips_cnt : algo_rsa_opts_cnt;
-#else
- int hash_cnt = algo_hash_cnt;
- int pubkey_cnt = algo_pubkey_cnt;
- int cipher_cnt = algo_cipher_cnt;
- int mac_cnt = algo_mac_cnt;
- int curve_cnt = algo_curve_cnt;
- int rsa_opts_cnt = algo_rsa_opts_cnt;
-#endif
- return enif_make_tuple6(env,
- enif_make_list_from_array(env, algo_hash, hash_cnt),
- enif_make_list_from_array(env, algo_pubkey, pubkey_cnt),
- enif_make_list_from_array(env, algo_cipher, cipher_cnt),
- enif_make_list_from_array(env, algo_mac, mac_cnt),
- enif_make_list_from_array(env, algo_curve, curve_cnt),
- enif_make_list_from_array(env, algo_rsa_opts, rsa_opts_cnt)
- );
-}
-
-static ERL_NIF_TERM info_lib(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{
- /* [{<<"OpenSSL">>,9470143,<<"OpenSSL 0.9.8k 25 Mar 2009">>}] */
-
- static const char libname[] = "OpenSSL";
- unsigned name_sz = strlen(libname);
- const char* ver = SSLeay_version(SSLEAY_VERSION);
- unsigned ver_sz = strlen(ver);
- ERL_NIF_TERM name_term, ver_term;
- int ver_num = OPENSSL_VERSION_NUMBER;
- /* R16:
- * Ignore library version number from SSLeay() and instead show header
- * version. Otherwise user might try to call a function that is implemented
- * by a newer library but not supported by the headers used at compile time.
- * Example: DES_ede3_cfb_encrypt in 0.9.7i but not in 0.9.7d.
- *
- * Version string is still from library though.
- */
-
- memcpy(enif_make_new_binary(env, name_sz, &name_term), libname, name_sz);
- memcpy(enif_make_new_binary(env, ver_sz, &ver_term), ver, ver_sz);
-
- return enif_make_list1(env, enif_make_tuple3(env, name_term,
- enif_make_int(env, ver_num),
- ver_term));
-}
-
-static ERL_NIF_TERM info_fips(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{
-#ifdef FIPS_SUPPORT
- return FIPS_mode() ? atom_enabled : atom_not_enabled;
-#else
- return atom_not_supported;
-#endif
-}
-
-static ERL_NIF_TERM enable_fips_mode(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Boolean) */
- if (argv[0] == atom_true) {
-#ifdef FIPS_SUPPORT
- if (FIPS_mode_set(1)) {
- return atom_true;
- }
-#endif
- PRINTF_ERR0("CRYPTO: Could not setup FIPS mode");
- return atom_false;
- } else if (argv[0] == atom_false) {
-#ifdef FIPS_SUPPORT
- if (!FIPS_mode_set(0)) {
- return atom_false;
- }
-#endif
- return atom_true;
- } else {
- return enif_make_badarg(env);
- }
-}
-
-
-#if defined(HAVE_EC)
-static ERL_NIF_TERM make_badarg_maybe(ErlNifEnv* env)
-{
- ERL_NIF_TERM reason;
- if (enif_has_pending_exception(env, &reason))
- return reason; /* dummy return value ignored */
- else
- return enif_make_badarg(env);
-}
-#endif
-
-static ERL_NIF_TERM hash_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Type, Data) */
- struct digest_type_t *digp = NULL;
- const EVP_MD *md;
- ErlNifBinary data;
- ERL_NIF_TERM ret;
- unsigned ret_size;
-
- digp = get_digest_type(argv[0]);
- if (!digp ||
- !enif_inspect_iolist_as_binary(env, argv[1], &data)) {
- return enif_make_badarg(env);
- }
- md = digp->md.p;
- if (!md) {
- return atom_notsup;
- }
-
- ret_size = (unsigned)EVP_MD_size(md);
- ASSERT(0 < ret_size && ret_size <= EVP_MAX_MD_SIZE);
- if (!EVP_Digest(data.data, data.size,
- enif_make_new_binary(env, ret_size, &ret), &ret_size,
- md, NULL)) {
- return atom_notsup;
- }
- ASSERT(ret_size == (unsigned)EVP_MD_size(md));
-
- CONSUME_REDS(env, data);
- return ret;
-}
-
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0)
-
-static ERL_NIF_TERM hash_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Type) */
- struct digest_type_t *digp = NULL;
- struct evp_md_ctx *ctx;
- ERL_NIF_TERM ret;
-
- digp = get_digest_type(argv[0]);
- if (!digp) {
- return enif_make_badarg(env);
- }
- if (!digp->md.p) {
- return atom_notsup;
- }
-
- ctx = enif_alloc_resource(evp_md_ctx_rtype, sizeof(struct evp_md_ctx));
- ctx->ctx = EVP_MD_CTX_new();
- if (!EVP_DigestInit(ctx->ctx, digp->md.p)) {
- enif_release_resource(ctx);
- return atom_notsup;
- }
- ret = enif_make_resource(env, ctx);
- enif_release_resource(ctx);
- return ret;
-}
-static ERL_NIF_TERM hash_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Context, Data) */
- struct evp_md_ctx *ctx, *new_ctx;
- ErlNifBinary data;
- ERL_NIF_TERM ret;
-
- if (!enif_get_resource(env, argv[0], evp_md_ctx_rtype, (void**)&ctx) ||
- !enif_inspect_iolist_as_binary(env, argv[1], &data)) {
- return enif_make_badarg(env);
- }
-
- new_ctx = enif_alloc_resource(evp_md_ctx_rtype, sizeof(struct evp_md_ctx));
- new_ctx->ctx = EVP_MD_CTX_new();
- if (!EVP_MD_CTX_copy(new_ctx->ctx, ctx->ctx) ||
- !EVP_DigestUpdate(new_ctx->ctx, data.data, data.size)) {
- enif_release_resource(new_ctx);
- return atom_notsup;
- }
-
- ret = enif_make_resource(env, new_ctx);
- enif_release_resource(new_ctx);
- CONSUME_REDS(env, data);
- return ret;
-}
-static ERL_NIF_TERM hash_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Context) */
- struct evp_md_ctx *ctx;
- EVP_MD_CTX *new_ctx;
- ERL_NIF_TERM ret;
- unsigned ret_size;
-
- if (!enif_get_resource(env, argv[0], evp_md_ctx_rtype, (void**)&ctx)) {
- return enif_make_badarg(env);
- }
-
- ret_size = (unsigned)EVP_MD_CTX_size(ctx->ctx);
- ASSERT(0 < ret_size && ret_size <= EVP_MAX_MD_SIZE);
-
- new_ctx = EVP_MD_CTX_new();
- if (!EVP_MD_CTX_copy(new_ctx, ctx->ctx) ||
- !EVP_DigestFinal(new_ctx,
- enif_make_new_binary(env, ret_size, &ret),
- &ret_size)) {
- EVP_MD_CTX_free(new_ctx);
- return atom_notsup;
- }
- EVP_MD_CTX_free(new_ctx);
- ASSERT(ret_size == (unsigned)EVP_MD_CTX_size(ctx->ctx));
-
- return ret;
-}
-
-#else /* if OPENSSL_VERSION_NUMBER < 1.0 */
-
-static ERL_NIF_TERM hash_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Type) */
- typedef int (*init_fun)(unsigned char*);
- struct digest_type_t *digp = NULL;
- ERL_NIF_TERM ctx;
- size_t ctx_size = 0;
- init_fun ctx_init = 0;
-
- digp = get_digest_type(argv[0]);
- if (!digp) {
- return enif_make_badarg(env);
- }
- if (!digp->md.p) {
- return atom_notsup;
- }
-
- switch (EVP_MD_type(digp->md.p))
- {
- case NID_md4:
- ctx_size = MD4_CTX_LEN;
- ctx_init = (init_fun)(&MD4_Init);
- break;
- case NID_md5:
- ctx_size = MD5_CTX_LEN;
- ctx_init = (init_fun)(&MD5_Init);
- break;
- case NID_ripemd160:
- ctx_size = RIPEMD160_CTX_LEN;
- ctx_init = (init_fun)(&RIPEMD160_Init);
- break;
- case NID_sha1:
- ctx_size = sizeof(SHA_CTX);
- ctx_init = (init_fun)(&SHA1_Init);
- break;
-#ifdef HAVE_SHA224
- case NID_sha224:
- ctx_size = sizeof(SHA256_CTX);
- ctx_init = (init_fun)(&SHA224_Init);
- break;
-#endif
-#ifdef HAVE_SHA256
- case NID_sha256:
- ctx_size = sizeof(SHA256_CTX);
- ctx_init = (init_fun)(&SHA256_Init);
- break;
-#endif
-#ifdef HAVE_SHA384
- case NID_sha384:
- ctx_size = sizeof(SHA512_CTX);
- ctx_init = (init_fun)(&SHA384_Init);
- break;
-#endif
-#ifdef HAVE_SHA512
- case NID_sha512:
- ctx_size = sizeof(SHA512_CTX);
- ctx_init = (init_fun)(&SHA512_Init);
- break;
-#endif
- default:
- return atom_notsup;
- }
- ASSERT(ctx_size);
- ASSERT(ctx_init);
-
- ctx_init(enif_make_new_binary(env, ctx_size, &ctx));
- return enif_make_tuple2(env, argv[0], ctx);
-}
-static ERL_NIF_TERM hash_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* ({Type, Context}, Data) */
- typedef int (*update_fun)(unsigned char*, const unsigned char*, size_t);
- ERL_NIF_TERM new_ctx;
- ErlNifBinary ctx, data;
- const ERL_NIF_TERM *tuple;
- int arity;
- struct digest_type_t *digp = NULL;
- unsigned char *ctx_buff;
- size_t ctx_size = 0;
- update_fun ctx_update = 0;
-
- if (!enif_get_tuple(env, argv[0], &arity, &tuple) ||
- arity != 2 ||
- !(digp = get_digest_type(tuple[0])) ||
- !enif_inspect_binary(env, tuple[1], &ctx) ||
- !enif_inspect_iolist_as_binary(env, argv[1], &data)) {
- return enif_make_badarg(env);
- }
- if (!digp->md.p) {
- return atom_notsup;
- }
-
- switch (EVP_MD_type(digp->md.p))
- {
- case NID_md4:
- ctx_size = MD4_CTX_LEN;
- ctx_update = (update_fun)(&MD4_Update);
- break;
- case NID_md5:
- ctx_size = MD5_CTX_LEN;
- ctx_update = (update_fun)(&MD5_Update);
- break;
- case NID_ripemd160:
- ctx_size = RIPEMD160_CTX_LEN;
- ctx_update = (update_fun)(&RIPEMD160_Update);
- break;
- case NID_sha1:
- ctx_size = sizeof(SHA_CTX);
- ctx_update = (update_fun)(&SHA1_Update);
- break;
-#ifdef HAVE_SHA224
- case NID_sha224:
- ctx_size = sizeof(SHA256_CTX);
- ctx_update = (update_fun)(&SHA224_Update);
- break;
-#endif
-#ifdef HAVE_SHA256
- case NID_sha256:
- ctx_size = sizeof(SHA256_CTX);
- ctx_update = (update_fun)(&SHA256_Update);
- break;
-#endif
-#ifdef HAVE_SHA384
- case NID_sha384:
- ctx_size = sizeof(SHA512_CTX);
- ctx_update = (update_fun)(&SHA384_Update);
- break;
-#endif
-#ifdef HAVE_SHA512
- case NID_sha512:
- ctx_size = sizeof(SHA512_CTX);
- ctx_update = (update_fun)(&SHA512_Update);
- break;
-#endif
- default:
- return atom_notsup;
- }
- ASSERT(ctx_size);
- ASSERT(ctx_update);
-
- if (ctx.size != ctx_size) {
- return enif_make_badarg(env);
- }
-
- ctx_buff = enif_make_new_binary(env, ctx_size, &new_ctx);
- memcpy(ctx_buff, ctx.data, ctx_size);
- ctx_update(ctx_buff, data.data, data.size);
-
- CONSUME_REDS(env, data);
- return enif_make_tuple2(env, tuple[0], new_ctx);
-}
-static ERL_NIF_TERM hash_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* ({Type, Context}) */
- typedef int (*final_fun)(unsigned char*, void*);
- ERL_NIF_TERM ret;
- ErlNifBinary ctx;
- const ERL_NIF_TERM *tuple;
- int arity;
- struct digest_type_t *digp = NULL;
- const EVP_MD *md;
- void *new_ctx;
- size_t ctx_size = 0;
- final_fun ctx_final = 0;
-
- if (!enif_get_tuple(env, argv[0], &arity, &tuple) ||
- arity != 2 ||
- !(digp = get_digest_type(tuple[0])) ||
- !enif_inspect_binary(env, tuple[1], &ctx)) {
- return enif_make_badarg(env);
- }
- md = digp->md.p;
- if (!md) {
- return atom_notsup;
- }
-
-
- switch (EVP_MD_type(md))
- {
- case NID_md4:
- ctx_size = MD4_CTX_LEN;
- ctx_final = (final_fun)(&MD4_Final);
- break;
- case NID_md5:
- ctx_size = MD5_CTX_LEN;
- ctx_final = (final_fun)(&MD5_Final);
- break;
- case NID_ripemd160:
- ctx_size = RIPEMD160_CTX_LEN;
- ctx_final = (final_fun)(&RIPEMD160_Final);
- break;
- case NID_sha1:
- ctx_size = sizeof(SHA_CTX);
- ctx_final = (final_fun)(&SHA1_Final);
- break;
-#ifdef HAVE_SHA224
- case NID_sha224:
- ctx_size = sizeof(SHA256_CTX);
- ctx_final = (final_fun)(&SHA224_Final);
- break;
-#endif
-#ifdef HAVE_SHA256
- case NID_sha256:
- ctx_size = sizeof(SHA256_CTX);
- ctx_final = (final_fun)(&SHA256_Final);
- break;
-#endif
-#ifdef HAVE_SHA384
- case NID_sha384:
- ctx_size = sizeof(SHA512_CTX);
- ctx_final = (final_fun)(&SHA384_Final);
- break;
-#endif
-#ifdef HAVE_SHA512
- case NID_sha512:
- ctx_size = sizeof(SHA512_CTX);
- ctx_final = (final_fun)(&SHA512_Final);
- break;
-#endif
- default:
- return atom_notsup;
- }
- ASSERT(ctx_size);
- ASSERT(ctx_final);
-
- if (ctx.size != ctx_size) {
- return enif_make_badarg(env);
- }
-
- new_ctx = enif_alloc(ctx_size);
- memcpy(new_ctx, ctx.data, ctx_size);
- ctx_final(enif_make_new_binary(env, (size_t)EVP_MD_size(md), &ret),
- new_ctx);
- enif_free(new_ctx);
-
- return ret;
-}
-#endif /* OPENSSL_VERSION_NUMBER < 1.0 */
-
-
-static ERL_NIF_TERM hmac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Type, Key, Data) or (Type, Key, Data, MacSize) */
- struct digest_type_t *digp = NULL;
- ErlNifBinary key, data;
- unsigned char buff[EVP_MAX_MD_SIZE];
- unsigned size = 0, req_size = 0;
- ERL_NIF_TERM ret;
-
- digp = get_digest_type(argv[0]);
- if (!digp ||
- !enif_inspect_iolist_as_binary(env, argv[1], &key) ||
- !enif_inspect_iolist_as_binary(env, argv[2], &data) ||
- (argc == 4 && !enif_get_uint(env, argv[3], &req_size))) {
- return enif_make_badarg(env);
- }
-
- if (!digp->md.p ||
- !HMAC(digp->md.p,
- key.data, key.size,
- data.data, data.size,
- buff, &size)) {
- return atom_notsup;
- }
- ASSERT(0 < size && size <= EVP_MAX_MD_SIZE);
- CONSUME_REDS(env, data);
-
- if (argc == 4) {
- if (req_size <= size) {
- size = req_size;
- }
- else {
- return enif_make_badarg(env);
- }
- }
- memcpy(enif_make_new_binary(env, size, &ret), buff, size);
- return ret;
-}
-
-static void hmac_context_dtor(ErlNifEnv* env, struct hmac_context *obj)
-{
- if (obj->alive) {
- HMAC_CTX_free(obj->ctx);
- obj->alive = 0;
- }
- enif_mutex_destroy(obj->mtx);
-}
-
-static ERL_NIF_TERM hmac_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Type, Key) */
- struct digest_type_t *digp = NULL;
- ErlNifBinary key;
- ERL_NIF_TERM ret;
- struct hmac_context *obj;
-
- digp = get_digest_type(argv[0]);
- if (!digp ||
- !enif_inspect_iolist_as_binary(env, argv[1], &key)) {
- return enif_make_badarg(env);
- }
- if (!digp->md.p) {
- return atom_notsup;
- }
-
- obj = enif_alloc_resource(hmac_context_rtype, sizeof(struct hmac_context));
- obj->mtx = enif_mutex_create("crypto.hmac");
- obj->alive = 1;
- obj->ctx = HMAC_CTX_new();
-#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0)
- // Check the return value of HMAC_Init: it may fail in FIPS mode
- // for disabled algorithms
- if (!HMAC_Init_ex(obj->ctx, key.data, key.size, digp->md.p, NULL)) {
- enif_release_resource(obj);
- return atom_notsup;
- }
-#else
- HMAC_Init_ex(obj->ctx, key.data, key.size, digp->md.p, NULL);
-#endif
-
- ret = enif_make_resource(env, obj);
- enif_release_resource(obj);
- return ret;
-}
-
-static ERL_NIF_TERM hmac_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Context, Data) */
- ErlNifBinary data;
- struct hmac_context* obj;
-
- if (!enif_get_resource(env, argv[0], hmac_context_rtype, (void**)&obj)
- || !enif_inspect_iolist_as_binary(env, argv[1], &data)) {
- return enif_make_badarg(env);
- }
- enif_mutex_lock(obj->mtx);
- if (!obj->alive) {
- enif_mutex_unlock(obj->mtx);
- return enif_make_badarg(env);
- }
- HMAC_Update(obj->ctx, data.data, data.size);
- enif_mutex_unlock(obj->mtx);
-
- CONSUME_REDS(env,data);
- return argv[0];
-}
-
-static ERL_NIF_TERM hmac_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Context) or (Context, HashLen) */
- ERL_NIF_TERM ret;
- struct hmac_context* obj;
- unsigned char mac_buf[EVP_MAX_MD_SIZE];
- unsigned char * mac_bin;
- unsigned int req_len = 0;
- unsigned int mac_len;
-
- if (!enif_get_resource(env,argv[0],hmac_context_rtype, (void**)&obj)
- || (argc == 2 && !enif_get_uint(env, argv[1], &req_len))) {
- return enif_make_badarg(env);
- }
-
- enif_mutex_lock(obj->mtx);
- if (!obj->alive) {
- enif_mutex_unlock(obj->mtx);
- return enif_make_badarg(env);
- }
-
- HMAC_Final(obj->ctx, mac_buf, &mac_len);
- HMAC_CTX_free(obj->ctx);
- obj->alive = 0;
- enif_mutex_unlock(obj->mtx);
-
- if (argc == 2 && req_len < mac_len) {
- /* Only truncate to req_len bytes if asked. */
- mac_len = req_len;
- }
- mac_bin = enif_make_new_binary(env, mac_len, &ret);
- memcpy(mac_bin, mac_buf, mac_len);
-
- return ret;
-}
-
-static ERL_NIF_TERM cmac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Type, Key, Data) */
-#if defined(HAVE_CMAC)
- struct cipher_type_t *cipherp = NULL;
- const EVP_CIPHER *cipher;
- CMAC_CTX *ctx;
- ErlNifBinary key;
- ErlNifBinary data;
- ERL_NIF_TERM ret;
- size_t ret_size;
-
- if (!enif_inspect_iolist_as_binary(env, argv[1], &key)
- || !(cipherp = get_cipher_type(argv[0], key.size))
- || !enif_inspect_iolist_as_binary(env, argv[2], &data)) {
- return enif_make_badarg(env);
- }
- cipher = cipherp->cipher.p;
- if (!cipher) {
- return enif_raise_exception(env, atom_notsup);
- }
-
- ctx = CMAC_CTX_new();
- if (!CMAC_Init(ctx, key.data, key.size, cipher, NULL)) {
- CMAC_CTX_free(ctx);
- return atom_notsup;
- }
-
- if (!CMAC_Update(ctx, data.data, data.size) ||
- !CMAC_Final(ctx,
- enif_make_new_binary(env, EVP_CIPHER_block_size(cipher), &ret),
- &ret_size)) {
- CMAC_CTX_free(ctx);
- return atom_notsup;
- }
- ASSERT(ret_size == (unsigned)EVP_CIPHER_block_size(cipher));
-
- CMAC_CTX_free(ctx);
- CONSUME_REDS(env, data);
- return ret;
-#else
- /* The CMAC functionality was introduced in OpenSSL 1.0.1
- * Although OTP requires at least version 0.9.8, the versions 0.9.8 and 1.0.0 are
- * no longer maintained. */
- return atom_notsup;
-#endif
-}
-
-/* For OpenSSL >= 1.1.1 the hmac_nif and cmac_nif could be integrated into poly1305 (with 'type' as parameter) */
-static ERL_NIF_TERM poly1305_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Key, Text) */
-#ifdef HAVE_POLY1305
- ErlNifBinary key_bin, text, ret_bin;
- ERL_NIF_TERM ret = atom_error;
- EVP_PKEY *key = NULL;
- EVP_MD_CTX *mctx = NULL;
- EVP_PKEY_CTX *pctx = NULL;
- const EVP_MD *md = NULL;
- size_t size;
- int type;
-
- type = EVP_PKEY_POLY1305;
-
- if (!enif_inspect_binary(env, argv[0], &key_bin) ||
- !(key_bin.size == 32) ) {
- return enif_make_badarg(env);
- }
-
- if (!enif_inspect_binary(env, argv[1], &text) ) {
- return enif_make_badarg(env);
- }
-
- key = EVP_PKEY_new_raw_private_key(type, /*engine*/ NULL, key_bin.data, key_bin.size);
-
- if (!key ||
- !(mctx = EVP_MD_CTX_new()) ||
- !EVP_DigestSignInit(mctx, &pctx, md, /*engine*/ NULL, key) ||
- !EVP_DigestSignUpdate(mctx, text.data, text.size)) {
- goto err;
- }
-
- if (!EVP_DigestSignFinal(mctx, NULL, &size) ||
- !enif_alloc_binary(size, &ret_bin) ||
- !EVP_DigestSignFinal(mctx, ret_bin.data, &size)) {
- goto err;
- }
-
- if ((size != ret_bin.size) &&
- !enif_realloc_binary(&ret_bin, size)) {
- goto err;
- }
-
- ret = enif_make_binary(env, &ret_bin);
-
- err:
- EVP_MD_CTX_free(mctx);
- EVP_PKEY_free(key);
- return ret;
-
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM block_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Type, Key, Ivec, Text, IsEncrypt) or (Type, Key, Text, IsEncrypt) */
- struct cipher_type_t *cipherp = NULL;
- const EVP_CIPHER *cipher;
- ErlNifBinary key, ivec, text;
- EVP_CIPHER_CTX* ctx;
- ERL_NIF_TERM ret;
- unsigned char *out;
- int ivec_size, out_size = 0;
-
- if (!enif_inspect_iolist_as_binary(env, argv[1], &key)
- || !(cipherp = get_cipher_type(argv[0], key.size))
- || !enif_inspect_iolist_as_binary(env, argv[argc - 2], &text)) {
- return enif_make_badarg(env);
- }
- cipher = cipherp->cipher.p;
- if (!cipher) {
- return enif_raise_exception(env, atom_notsup);
- }
-
- if (argv[0] == atom_aes_cfb8
- && (key.size == 24 || key.size == 32)) {
- /* Why do EVP_CIPHER_CTX_set_key_length() fail on these key sizes?
- * Fall back on low level API
- */
- return aes_cfb_8_crypt(env, argc-1, argv+1);
- }
- else if (argv[0] == atom_aes_cfb128
- && (key.size == 24 || key.size == 32)) {
- /* Why do EVP_CIPHER_CTX_set_key_length() fail on these key sizes?
- * Fall back on low level API
- */
- return aes_cfb_128_crypt_nif(env, argc-1, argv+1);
- }
-
- ivec_size = EVP_CIPHER_iv_length(cipher);
-
-#ifdef HAVE_ECB_IVEC_BUG
- if (argv[0] == atom_aes_ecb || argv[0] == atom_blowfish_ecb ||
- argv[0] == atom_des_ecb)
- ivec_size = 0; /* 0.9.8l returns faulty ivec_size */
-#endif
-
- if (text.size % EVP_CIPHER_block_size(cipher) != 0 ||
- (ivec_size == 0 ? argc != 4
- : (argc != 5 ||
- !enif_inspect_iolist_as_binary(env, argv[2], &ivec) ||
- ivec.size != ivec_size))) {
- return enif_make_badarg(env);
- }
-
- out = enif_make_new_binary(env, text.size, &ret);
-
- ctx = EVP_CIPHER_CTX_new();
- if (!EVP_CipherInit_ex(ctx, cipher, NULL, NULL, NULL,
- (argv[argc - 1] == atom_true)) ||
- !EVP_CIPHER_CTX_set_key_length(ctx, key.size) ||
- !(EVP_CIPHER_type(cipher) != NID_rc2_cbc ||
- EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_SET_RC2_KEY_BITS, key.size * 8, NULL)) ||
- !EVP_CipherInit_ex(ctx, NULL, NULL,
- key.data, ivec_size ? ivec.data : NULL, -1) ||
- !EVP_CIPHER_CTX_set_padding(ctx, 0)) {
-
- EVP_CIPHER_CTX_free(ctx);
- return enif_raise_exception(env, atom_notsup);
- }
-
- if (text.size > 0 && /* OpenSSL 0.9.8h asserts text.size > 0 */
- (!EVP_CipherUpdate(ctx, out, &out_size, text.data, text.size)
- || (ASSERT(out_size == text.size), 0)
- || !EVP_CipherFinal_ex(ctx, out + out_size, &out_size))) {
-
- EVP_CIPHER_CTX_free(ctx);
- return enif_raise_exception(env, atom_notsup);
- }
- ASSERT(out_size == 0);
- EVP_CIPHER_CTX_free(ctx);
- CONSUME_REDS(env, text);
-
- return ret;
-}
-
-static ERL_NIF_TERM aes_cfb_8_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Key, IVec, Data, IsEncrypt) */
- ErlNifBinary key, ivec, text;
- AES_KEY aes_key;
- unsigned char ivec_clone[16]; /* writable copy */
- int new_ivlen = 0;
- ERL_NIF_TERM ret;
-
- CHECK_NO_FIPS_MODE();
-
- if (!enif_inspect_iolist_as_binary(env, argv[0], &key)
- || !(key.size == 16 || key.size == 24 || key.size == 32)
- || !enif_inspect_binary(env, argv[1], &ivec) || ivec.size != 16
- || !enif_inspect_iolist_as_binary(env, argv[2], &text)) {
- return enif_make_badarg(env);
- }
-
- memcpy(ivec_clone, ivec.data, 16);
- AES_set_encrypt_key(key.data, key.size * 8, &aes_key);
- AES_cfb8_encrypt((unsigned char *) text.data,
- enif_make_new_binary(env, text.size, &ret),
- text.size, &aes_key, ivec_clone, &new_ivlen,
- (argv[3] == atom_true));
- CONSUME_REDS(env,text);
- return ret;
-}
-
-static ERL_NIF_TERM aes_cfb_128_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Key, IVec, Data, IsEncrypt) */
- ErlNifBinary key, ivec, text;
- AES_KEY aes_key;
- unsigned char ivec_clone[16]; /* writable copy */
- int new_ivlen = 0;
- ERL_NIF_TERM ret;
-
- if (!enif_inspect_iolist_as_binary(env, argv[0], &key)
- || !(key.size == 16 || key.size == 24 || key.size == 32)
- || !enif_inspect_binary(env, argv[1], &ivec) || ivec.size != 16
- || !enif_inspect_iolist_as_binary(env, argv[2], &text)) {
- return enif_make_badarg(env);
- }
-
- memcpy(ivec_clone, ivec.data, 16);
- AES_set_encrypt_key(key.data, key.size * 8, &aes_key);
- AES_cfb128_encrypt((unsigned char *) text.data,
- enif_make_new_binary(env, text.size, &ret),
- text.size, &aes_key, ivec_clone, &new_ivlen,
- (argv[3] == atom_true));
- CONSUME_REDS(env,text);
- return ret;
-}
-
-static ERL_NIF_TERM aes_ige_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Key, IVec, Data, IsEncrypt) */
-#ifdef HAVE_AES_IGE
- ErlNifBinary key_bin, ivec_bin, data_bin;
- AES_KEY aes_key;
- unsigned char ivec[32];
- int i;
- unsigned char* ret_ptr;
- ERL_NIF_TERM ret;
-
- CHECK_NO_FIPS_MODE();
-
- if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin)
- || (key_bin.size != 16 && key_bin.size != 32)
- || !enif_inspect_binary(env, argv[1], &ivec_bin)
- || ivec_bin.size != 32
- || !enif_inspect_iolist_as_binary(env, argv[2], &data_bin)
- || data_bin.size % 16 != 0) {
-
- return enif_make_badarg(env);
- }
-
- if (argv[3] == atom_true) {
- i = AES_ENCRYPT;
- AES_set_encrypt_key(key_bin.data, key_bin.size*8, &aes_key);
- }
- else {
- i = AES_DECRYPT;
- AES_set_decrypt_key(key_bin.data, key_bin.size*8, &aes_key);
- }
-
- ret_ptr = enif_make_new_binary(env, data_bin.size, &ret);
- memcpy(ivec, ivec_bin.data, 32); /* writable copy */
- AES_ige_encrypt(data_bin.data, ret_ptr, data_bin.size, &aes_key, ivec, i);
- CONSUME_REDS(env,data_bin);
- return ret;
-#else
- return atom_notsup;
-#endif
-}
-
-
-/* Initializes state for ctr streaming (de)encryption
-*/
-#ifdef HAVE_EVP_AES_CTR
-static ERL_NIF_TERM aes_ctr_stream_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Key, IVec) */
- ErlNifBinary key_bin, ivec_bin;
- struct evp_cipher_ctx *ctx;
- const EVP_CIPHER *cipher;
- ERL_NIF_TERM ret;
-
- if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin)
- || !enif_inspect_binary(env, argv[1], &ivec_bin)
- || ivec_bin.size != 16) {
- return enif_make_badarg(env);
- }
-
- switch (key_bin.size)
- {
- case 16: cipher = EVP_aes_128_ctr(); break;
- case 24: cipher = EVP_aes_192_ctr(); break;
- case 32: cipher = EVP_aes_256_ctr(); break;
- default: return enif_make_badarg(env);
- }
-
- ctx = enif_alloc_resource(evp_cipher_ctx_rtype, sizeof(struct evp_cipher_ctx));
- ctx->ctx = EVP_CIPHER_CTX_new();
- EVP_CipherInit_ex(ctx->ctx, cipher, NULL,
- key_bin.data, ivec_bin.data, 1);
- EVP_CIPHER_CTX_set_padding(ctx->ctx, 0);
- ret = enif_make_resource(env, ctx);
- enif_release_resource(ctx);
- return ret;
-}
-static ERL_NIF_TERM aes_ctr_stream_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Context, Data) */
- struct evp_cipher_ctx *ctx, *new_ctx;
- ErlNifBinary data_bin;
- ERL_NIF_TERM ret, cipher_term;
- unsigned char *out;
- int outl = 0;
-
- if (!enif_get_resource(env, argv[0], evp_cipher_ctx_rtype, (void**)&ctx)
- || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin)) {
- return enif_make_badarg(env);
- }
- new_ctx = enif_alloc_resource(evp_cipher_ctx_rtype, sizeof(struct evp_cipher_ctx));
- new_ctx->ctx = EVP_CIPHER_CTX_new();
- EVP_CIPHER_CTX_copy(new_ctx->ctx, ctx->ctx);
- out = enif_make_new_binary(env, data_bin.size, &cipher_term);
- EVP_CipherUpdate(new_ctx->ctx, out, &outl, data_bin.data, data_bin.size);
- ASSERT(outl == data_bin.size);
-
- ret = enif_make_tuple2(env, enif_make_resource(env, new_ctx), cipher_term);
- enif_release_resource(new_ctx);
- CONSUME_REDS(env,data_bin);
- return ret;
-}
-
-#else /* if not HAVE_EVP_AES_CTR */
-
-static ERL_NIF_TERM aes_ctr_stream_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Key, IVec) */
- ErlNifBinary key_bin, ivec_bin;
- ERL_NIF_TERM ecount_bin;
-
- if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin)
- || !enif_inspect_binary(env, argv[1], &ivec_bin)
- || !(key_bin.size == 16 || key_bin.size == 24 || key_bin.size ==32)
- || ivec_bin.size != 16) {
- return enif_make_badarg(env);
- }
-
- memset(enif_make_new_binary(env, AES_BLOCK_SIZE, &ecount_bin),
- 0, AES_BLOCK_SIZE);
- return enif_make_tuple4(env, argv[0], argv[1], ecount_bin, enif_make_int(env, 0));
-}
-
-static ERL_NIF_TERM aes_ctr_stream_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* ({Key, IVec, ECount, Num}, Data) */
- ErlNifBinary key_bin, ivec_bin, text_bin, ecount_bin;
- AES_KEY aes_key;
- unsigned int num;
- ERL_NIF_TERM ret, num2_term, cipher_term, ivec2_term, ecount2_term, new_state_term;
- int state_arity;
- const ERL_NIF_TERM *state_term;
- unsigned char * ivec2_buf;
- unsigned char * ecount2_buf;
-
- if (!enif_get_tuple(env, argv[0], &state_arity, &state_term)
- || state_arity != 4
- || !enif_inspect_iolist_as_binary(env, state_term[0], &key_bin)
- || AES_set_encrypt_key(key_bin.data, key_bin.size*8, &aes_key) != 0
- || !enif_inspect_binary(env, state_term[1], &ivec_bin) || ivec_bin.size != 16
- || !enif_inspect_binary(env, state_term[2], &ecount_bin) || ecount_bin.size != AES_BLOCK_SIZE
- || !enif_get_uint(env, state_term[3], &num)
- || !enif_inspect_iolist_as_binary(env, argv[1], &text_bin)) {
- return enif_make_badarg(env);
- }
-
- ivec2_buf = enif_make_new_binary(env, ivec_bin.size, &ivec2_term);
- ecount2_buf = enif_make_new_binary(env, ecount_bin.size, &ecount2_term);
-
- memcpy(ivec2_buf, ivec_bin.data, 16);
- memcpy(ecount2_buf, ecount_bin.data, ecount_bin.size);
-
- AES_ctr128_encrypt((unsigned char *) text_bin.data,
- enif_make_new_binary(env, text_bin.size, &cipher_term),
- text_bin.size, &aes_key, ivec2_buf, ecount2_buf, &num);
-
- num2_term = enif_make_uint(env, num);
- new_state_term = enif_make_tuple4(env, state_term[0], ivec2_term, ecount2_term, num2_term);
- ret = enif_make_tuple2(env, new_state_term, cipher_term);
- CONSUME_REDS(env,text_bin);
- return ret;
-}
-#endif /* !HAVE_EVP_AES_CTR */
-
-static ERL_NIF_TERM aead_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Type,Key,Iv,AAD,In) */
-#if defined(HAVE_AEAD)
- EVP_CIPHER_CTX *ctx;
- const EVP_CIPHER *cipher = NULL;
- ErlNifBinary key, iv, aad, in;
- unsigned int tag_len;
- unsigned char *outp, *tagp;
- ERL_NIF_TERM type, out, out_tag;
- int len, ctx_ctrl_set_ivlen, ctx_ctrl_get_tag;
-
- type = argv[0];
-
- if (!enif_is_atom(env, type)
- || !enif_inspect_iolist_as_binary(env, argv[1], &key)
- || !enif_inspect_binary(env, argv[2], &iv)
- || !enif_inspect_iolist_as_binary(env, argv[3], &aad)
- || !enif_inspect_iolist_as_binary(env, argv[4], &in)
- || !enif_get_uint(env, argv[5], &tag_len)) {
- return enif_make_badarg(env);
- }
-
- /* Use cipher_type some day. Must check block_encrypt|decrypt first */
-#if defined(HAVE_GCM)
- if (type == atom_aes_gcm) {
- if ((iv.size > 0)
- && (1 <= tag_len && tag_len <= 16)) {
- ctx_ctrl_set_ivlen = EVP_CTRL_GCM_SET_IVLEN;
- ctx_ctrl_get_tag = EVP_CTRL_GCM_GET_TAG;
- if (key.size == 16) cipher = EVP_aes_128_gcm();
- else if (key.size == 24) cipher = EVP_aes_192_gcm();
- else if (key.size == 32) cipher = EVP_aes_256_gcm();
- else enif_make_badarg(env);
- } else
- enif_make_badarg(env);
- } else
-#endif
-#if defined(HAVE_CCM)
- if (type == atom_aes_ccm) {
- if ((7 <= iv.size && iv.size <= 13)
- && (4 <= tag_len && tag_len <= 16)
- && ((tag_len & 1) == 0)
- ) {
- ctx_ctrl_set_ivlen = EVP_CTRL_CCM_SET_IVLEN;
- ctx_ctrl_get_tag = EVP_CTRL_CCM_GET_TAG;
- if (key.size == 16) cipher = EVP_aes_128_ccm();
- else if (key.size == 24) cipher = EVP_aes_192_ccm();
- else if (key.size == 32) cipher = EVP_aes_256_ccm();
- else enif_make_badarg(env);
- } else
- enif_make_badarg(env);
- } else
-#endif
-#if defined(HAVE_CHACHA20_POLY1305)
- if (type == atom_chacha20_poly1305) {
- if ((key.size == 32)
- && (1 <= iv.size && iv.size <= 16)
- && (tag_len == 16)
- ) {
- ctx_ctrl_set_ivlen = EVP_CTRL_AEAD_SET_IVLEN;
- ctx_ctrl_get_tag = EVP_CTRL_AEAD_GET_TAG,
- cipher = EVP_chacha20_poly1305();
- } else enif_make_badarg(env);
- } else
-#endif
- return enif_raise_exception(env, atom_notsup);
-
- ctx = EVP_CIPHER_CTX_new();
- if (EVP_EncryptInit_ex(ctx, cipher, NULL, NULL, NULL) != 1) goto out_err;
- if (EVP_CIPHER_CTX_ctrl(ctx, ctx_ctrl_set_ivlen, iv.size, NULL) != 1) goto out_err;
-
-#if defined(HAVE_CCM)
- if (type == atom_aes_ccm) {
- if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_CCM_SET_TAG, tag_len, NULL) != 1) goto out_err;
- if (EVP_EncryptInit_ex(ctx, NULL, NULL, key.data, iv.data) != 1) goto out_err;
- if (EVP_EncryptUpdate(ctx, NULL, &len, NULL, in.size) != 1) goto out_err;
- } else
-#endif
- if (EVP_EncryptInit_ex(ctx, NULL, NULL, key.data, iv.data) != 1) goto out_err;
-
- if (EVP_EncryptUpdate(ctx, NULL, &len, aad.data, aad.size) != 1) goto out_err;
-
- outp = enif_make_new_binary(env, in.size, &out);
-
- if (EVP_EncryptUpdate(ctx, outp, &len, in.data, in.size) != 1) goto out_err;
- if (EVP_EncryptFinal_ex(ctx, outp/*+len*/, &len) != 1) goto out_err;
-
- tagp = enif_make_new_binary(env, tag_len, &out_tag);
-
- if (EVP_CIPHER_CTX_ctrl(ctx, ctx_ctrl_get_tag, tag_len, tagp) != 1) goto out_err;
-
- EVP_CIPHER_CTX_free(ctx);
- CONSUME_REDS(env, in);
- return enif_make_tuple2(env, out, out_tag);
-
-out_err:
- EVP_CIPHER_CTX_free(ctx);
- return atom_error;
-
-#else
- return enif_raise_exception(env, atom_notsup);
-#endif
-}
-
-static ERL_NIF_TERM aead_decrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Type,Key,Iv,AAD,In,Tag) */
-#if defined(HAVE_AEAD)
- EVP_CIPHER_CTX *ctx;
- const EVP_CIPHER *cipher = NULL;
- ErlNifBinary key, iv, aad, in, tag;
- unsigned char *outp;
- ERL_NIF_TERM type, out;
- int len, ctx_ctrl_set_ivlen, ctx_ctrl_set_tag;
-
- type = argv[0];
-#if defined(HAVE_GCM_EVP_DECRYPT_BUG)
- if (type == atom_aes_gcm)
- return aes_gcm_decrypt_NO_EVP(env, argc, argv);
-#endif
-
- if (!enif_is_atom(env, type)
- || !enif_inspect_iolist_as_binary(env, argv[1], &key)
- || !enif_inspect_binary(env, argv[2], &iv)
- || !enif_inspect_iolist_as_binary(env, argv[3], &aad)
- || !enif_inspect_iolist_as_binary(env, argv[4], &in)
- || !enif_inspect_iolist_as_binary(env, argv[5], &tag)) {
- return enif_make_badarg(env);
- }
-
- /* Use cipher_type some day. Must check block_encrypt|decrypt first */
-#if defined(HAVE_GCM)
- if (type == atom_aes_gcm) {
- if (iv.size > 0) {
- ctx_ctrl_set_ivlen = EVP_CTRL_GCM_SET_IVLEN;
- ctx_ctrl_set_tag = EVP_CTRL_GCM_SET_TAG;
- if (key.size == 16) cipher = EVP_aes_128_gcm();
- else if (key.size == 24) cipher = EVP_aes_192_gcm();
- else if (key.size == 32) cipher = EVP_aes_256_gcm();
- else enif_make_badarg(env);
- } else
- enif_make_badarg(env);
- } else
-#endif
-#if defined(HAVE_CCM)
- if (type == atom_aes_ccm) {
- if (iv.size > 0) {
- ctx_ctrl_set_ivlen = EVP_CTRL_CCM_SET_IVLEN;
- if (key.size == 16) cipher = EVP_aes_128_ccm();
- else if (key.size == 24) cipher = EVP_aes_192_ccm();
- else if (key.size == 32) cipher = EVP_aes_256_ccm();
- else enif_make_badarg(env);
- } else
- enif_make_badarg(env);
- } else
-#endif
-#if defined(HAVE_CHACHA20_POLY1305)
- if (type == atom_chacha20_poly1305) {
- if ((key.size == 32)
- && (1 <= iv.size && iv.size <= 16)
- && tag.size == 16
- ) {
- ctx_ctrl_set_ivlen = EVP_CTRL_AEAD_SET_IVLEN;
- ctx_ctrl_set_tag = EVP_CTRL_AEAD_SET_TAG;
- cipher = EVP_chacha20_poly1305();
- } else enif_make_badarg(env);
- } else
-#endif
- return enif_raise_exception(env, atom_notsup);
-
- outp = enif_make_new_binary(env, in.size, &out);
-
- ctx = EVP_CIPHER_CTX_new();
- if (EVP_DecryptInit_ex(ctx, cipher, NULL, NULL, NULL) != 1) goto out_err;
- if (EVP_CIPHER_CTX_ctrl(ctx, ctx_ctrl_set_ivlen, iv.size, NULL) != 1) goto out_err;
-
-#if defined(HAVE_CCM)
- if (type == atom_aes_ccm) {
- if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_CCM_SET_TAG, tag.size, tag.data) != 1) goto out_err;
- }
-#endif
-
- if (EVP_DecryptInit_ex(ctx, NULL, NULL, key.data, iv.data) != 1) goto out_err;
-
-#if defined(HAVE_CCM)
- if (type == atom_aes_ccm) {
- if (1 != EVP_DecryptUpdate(ctx, NULL, &len, NULL, in.size)) goto out_err;
- }
-#endif
-
- if (EVP_DecryptUpdate(ctx, NULL, &len, aad.data, aad.size) != 1) goto out_err;
- if (EVP_DecryptUpdate(ctx, outp, &len, in.data, in.size) != 1) goto out_err;
-
-#if defined(HAVE_GCM) || defined(HAVE_CHACHA20_POLY1305)
- if (type == atom_aes_gcm) {
- if (EVP_CIPHER_CTX_ctrl(ctx, ctx_ctrl_set_tag, tag.size, tag.data) != 1) goto out_err;
- if (EVP_DecryptFinal_ex(ctx, outp+len, &len) != 1) goto out_err;
- }
-#endif
- EVP_CIPHER_CTX_free(ctx);
-
- CONSUME_REDS(env, in);
- return out;
-
-out_err:
- EVP_CIPHER_CTX_free(ctx);
- return atom_error;
-#else
- return enif_raise_exception(env, atom_notsup);
-#endif
-}
-
-#ifdef HAVE_GCM_EVP_DECRYPT_BUG
-static ERL_NIF_TERM aes_gcm_decrypt_NO_EVP(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Type,Key,Iv,AAD,In,Tag) */
- GCM128_CONTEXT *ctx;
- ErlNifBinary key, iv, aad, in, tag;
- AES_KEY aes_key;
- unsigned char *outp;
- ERL_NIF_TERM out;
-
- if (!enif_inspect_iolist_as_binary(env, argv[1], &key)
- || AES_set_encrypt_key(key.data, key.size*8, &aes_key) != 0
- || !enif_inspect_binary(env, argv[2], &iv) || iv.size == 0
- || !enif_inspect_iolist_as_binary(env, argv[3], &aad)
- || !enif_inspect_iolist_as_binary(env, argv[4], &in)
- || !enif_inspect_iolist_as_binary(env, argv[5], &tag)) {
- return enif_make_badarg(env);
- }
-
- if (!(ctx = CRYPTO_gcm128_new(&aes_key, (block128_f)AES_encrypt)))
- return atom_error;
-
- CRYPTO_gcm128_setiv(ctx, iv.data, iv.size);
-
- if (CRYPTO_gcm128_aad(ctx, aad.data, aad.size))
- goto out_err;
-
- outp = enif_make_new_binary(env, in.size, &out);
-
- /* decrypt */
- if (CRYPTO_gcm128_decrypt(ctx, in.data, outp, in.size))
- goto out_err;
-
- /* calculate and check the tag */
- if (CRYPTO_gcm128_finish(ctx, tag.data, tag.size))
- goto out_err;
-
- CRYPTO_gcm128_release(ctx);
- CONSUME_REDS(env, in);
-
- return out;
-
-out_err:
- CRYPTO_gcm128_release(ctx);
- return atom_error;
-}
-#endif /* HAVE_GCM_EVP_DECRYPT_BUG */
-
-
-static ERL_NIF_TERM chacha20_stream_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Key, IV) */
-#if defined(HAVE_CHACHA20)
- ErlNifBinary key_bin, ivec_bin;
- struct evp_cipher_ctx *ctx;
- const EVP_CIPHER *cipher;
- ERL_NIF_TERM ret;
-
- if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin)
- || !enif_inspect_binary(env, argv[1], &ivec_bin)
- || key_bin.size != 32
- || ivec_bin.size != 16) {
- return enif_make_badarg(env);
- }
-
- cipher = EVP_chacha20();
-
- ctx = enif_alloc_resource(evp_cipher_ctx_rtype, sizeof(struct evp_cipher_ctx));
- ctx->ctx = EVP_CIPHER_CTX_new();
-
-
- EVP_CipherInit_ex(ctx->ctx, cipher, NULL,
- key_bin.data, ivec_bin.data, 1);
- EVP_CIPHER_CTX_set_padding(ctx->ctx, 0);
- ret = enif_make_resource(env, ctx);
- enif_release_resource(ctx);
- return ret;
-#else
- return enif_raise_exception(env, atom_notsup);
-#endif
-};
-
-static ERL_NIF_TERM chacha20_stream_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (State, Data) */
-#if defined(HAVE_CHACHA20)
- struct evp_cipher_ctx *ctx, *new_ctx;
- ErlNifBinary data_bin;
- ERL_NIF_TERM ret, cipher_term;
- unsigned char *out;
- int outl = 0;
-
- if (!enif_get_resource(env, argv[0], evp_cipher_ctx_rtype, (void**)&ctx)
- || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin)) {
- return enif_make_badarg(env);
- }
- new_ctx = enif_alloc_resource(evp_cipher_ctx_rtype, sizeof(struct evp_cipher_ctx));
- new_ctx->ctx = EVP_CIPHER_CTX_new();
- EVP_CIPHER_CTX_copy(new_ctx->ctx, ctx->ctx);
- out = enif_make_new_binary(env, data_bin.size, &cipher_term);
- EVP_CipherUpdate(new_ctx->ctx, out, &outl, data_bin.data, data_bin.size);
- ASSERT(outl == data_bin.size);
-
- ret = enif_make_tuple2(env, enif_make_resource(env, new_ctx), cipher_term);
- enif_release_resource(new_ctx);
- CONSUME_REDS(env,data_bin);
- return ret;
-#else
- return enif_raise_exception(env, atom_notsup);
-#endif
-};
-
-
-static ERL_NIF_TERM strong_rand_bytes_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Bytes) */
- unsigned bytes;
- unsigned char* data;
- ERL_NIF_TERM ret;
-
- if (!enif_get_uint(env, argv[0], &bytes)) {
- return enif_make_badarg(env);
- }
- data = enif_make_new_binary(env, bytes, &ret);
- if ( RAND_bytes(data, bytes) != 1) {
- return atom_false;
- }
- ERL_VALGRIND_MAKE_MEM_DEFINED(data, bytes);
- return ret;
-}
-
-
-static int get_bn_from_mpint(ErlNifEnv* env, ERL_NIF_TERM term, BIGNUM** bnp)
-{
- ErlNifBinary bin;
- int sz;
- if (!enif_inspect_binary(env,term,&bin)) {
- return 0;
- }
- ERL_VALGRIND_ASSERT_MEM_DEFINED(bin.data, bin.size);
- sz = bin.size - 4;
- if (sz < 0 || get_int32(bin.data) != sz) {
- return 0;
- }
- *bnp = BN_bin2bn(bin.data+4, sz, NULL);
- return 1;
-}
-
-static int get_bn_from_bin(ErlNifEnv* env, ERL_NIF_TERM term, BIGNUM** bnp)
-{
- ErlNifBinary bin;
- if (!enif_inspect_binary(env,term,&bin)) {
- return 0;
- }
- ERL_VALGRIND_ASSERT_MEM_DEFINED(bin.data, bin.size);
- *bnp = BN_bin2bn(bin.data, bin.size, NULL);
- return 1;
-}
-
-static ERL_NIF_TERM bin_from_bn(ErlNifEnv* env, const BIGNUM *bn)
-{
- int bn_len;
- unsigned char *bin_ptr;
- ERL_NIF_TERM term;
-
- /* Copy the bignum into an erlang binary. */
- bn_len = BN_num_bytes(bn);
- bin_ptr = enif_make_new_binary(env, bn_len, &term);
- BN_bn2bin(bn, bin_ptr);
-
- return term;
-}
-
-static ERL_NIF_TERM strong_rand_range_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Range) */
- BIGNUM *bn_range, *bn_rand;
- ERL_NIF_TERM ret;
-
- if(!get_bn_from_bin(env, argv[0], &bn_range)) {
- return enif_make_badarg(env);
- }
-
- bn_rand = BN_new();
- if (BN_rand_range(bn_rand, bn_range) != 1) {
- ret = atom_false;
- }
- else {
- ret = bin_from_bn(env, bn_rand);
- }
- BN_free(bn_rand);
- BN_free(bn_range);
- return ret;
-}
-
-static ERL_NIF_TERM rand_uniform_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Lo,Hi) */
- BIGNUM *bn_from = NULL, *bn_to, *bn_rand;
- unsigned char* data;
- unsigned dlen;
- ERL_NIF_TERM ret;
-
- if (!get_bn_from_mpint(env, argv[0], &bn_from)
- || !get_bn_from_mpint(env, argv[1], &bn_rand)) {
- if (bn_from) BN_free(bn_from);
- return enif_make_badarg(env);
- }
-
- bn_to = BN_new();
- BN_sub(bn_to, bn_rand, bn_from);
- BN_pseudo_rand_range(bn_rand, bn_to);
- BN_add(bn_rand, bn_rand, bn_from);
- dlen = BN_num_bytes(bn_rand);
- data = enif_make_new_binary(env, dlen+4, &ret);
- put_int32(data, dlen);
- BN_bn2bin(bn_rand, data+4);
- ERL_VALGRIND_MAKE_MEM_DEFINED(data+4, dlen);
- BN_free(bn_rand);
- BN_free(bn_from);
- BN_free(bn_to);
- return ret;
-}
-
-static ERL_NIF_TERM mod_exp_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Base,Exponent,Modulo,bin_hdr) */
- BIGNUM *bn_base=NULL, *bn_exponent=NULL, *bn_modulo=NULL, *bn_result;
- BN_CTX *bn_ctx;
- unsigned char* ptr;
- unsigned dlen;
- unsigned bin_hdr; /* return type: 0=plain binary, 4: mpint */
- unsigned extra_byte;
- ERL_NIF_TERM ret;
-
- if (!get_bn_from_bin(env, argv[0], &bn_base)
- || !get_bn_from_bin(env, argv[1], &bn_exponent)
- || !get_bn_from_bin(env, argv[2], &bn_modulo)
- || !enif_get_uint(env,argv[3],&bin_hdr) || (bin_hdr & ~4)) {
-
- if (bn_base) BN_free(bn_base);
- if (bn_exponent) BN_free(bn_exponent);
- if (bn_modulo) BN_free(bn_modulo);
- return enif_make_badarg(env);
- }
- bn_result = BN_new();
- bn_ctx = BN_CTX_new();
- BN_mod_exp(bn_result, bn_base, bn_exponent, bn_modulo, bn_ctx);
- dlen = BN_num_bytes(bn_result);
- extra_byte = bin_hdr && BN_is_bit_set(bn_result, dlen*8-1);
- ptr = enif_make_new_binary(env, bin_hdr+extra_byte+dlen, &ret);
- if (bin_hdr) {
- put_int32(ptr, extra_byte+dlen);
- ptr[4] = 0; /* extra zeroed byte to ensure a positive mpint */
- ptr += bin_hdr + extra_byte;
- }
- BN_bn2bin(bn_result, ptr);
- BN_free(bn_result);
- BN_CTX_free(bn_ctx);
- BN_free(bn_modulo);
- BN_free(bn_exponent);
- BN_free(bn_base);
- return ret;
-}
-
-static void init_digest_types(ErlNifEnv* env)
-{
- struct digest_type_t* p = digest_types;
-
- for (p = digest_types; p->type.str; p++) {
- p->type.atom = enif_make_atom(env, p->type.str);
- if (p->md.funcp)
- p->md.p = p->md.funcp();
- }
- p->type.atom = atom_false; /* end marker */
-}
-
-static void init_cipher_types(ErlNifEnv* env)
-{
- struct cipher_type_t* p = cipher_types;
-
- for (p = cipher_types; p->type.str; p++) {
- p->type.atom = enif_make_atom(env, p->type.str);
- if (p->cipher.funcp)
- p->cipher.p = p->cipher.funcp();
- }
- p->type.atom = atom_false; /* end marker */
-}
-
-static struct digest_type_t* get_digest_type(ERL_NIF_TERM type)
-{
- struct digest_type_t* p = NULL;
- for (p = digest_types; p->type.atom != atom_false; p++) {
- if (type == p->type.atom) {
- return p;
- }
- }
- return NULL;
-}
-
-static struct cipher_type_t* get_cipher_type(ERL_NIF_TERM type, size_t key_len)
-{
- struct cipher_type_t* p = NULL;
- for (p = cipher_types; p->type.atom != atom_false; p++) {
- if (type == p->type.atom && (!p->key_len || key_len == p->key_len)) {
- return p;
- }
- }
- return NULL;
-}
-
-
-static ERL_NIF_TERM do_exor(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Data1, Data2) */
- ErlNifBinary d1, d2;
- unsigned char* ret_ptr;
- int i;
- ERL_NIF_TERM ret;
-
- if (!enif_inspect_iolist_as_binary(env,argv[0], &d1)
- || !enif_inspect_iolist_as_binary(env,argv[1], &d2)
- || d1.size != d2.size) {
- return enif_make_badarg(env);
- }
- ret_ptr = enif_make_new_binary(env, d1.size, &ret);
-
- for (i=0; i<d1.size; i++) {
- ret_ptr[i] = d1.data[i] ^ d2.data[i];
- }
- CONSUME_REDS(env,d1);
- return ret;
-}
-
-static ERL_NIF_TERM rc4_set_key(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Key) */
-#ifndef OPENSSL_NO_RC4
- ErlNifBinary key;
- ERL_NIF_TERM ret;
-
- CHECK_NO_FIPS_MODE();
-
- if (!enif_inspect_iolist_as_binary(env,argv[0], &key)) {
- return enif_make_badarg(env);
- }
- RC4_set_key((RC4_KEY*)enif_make_new_binary(env, sizeof(RC4_KEY), &ret),
- key.size, key.data);
- return ret;
-#else
- return enif_raise_exception(env, atom_notsup);
-#endif
-}
-
-static ERL_NIF_TERM rc4_encrypt_with_state(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (State, Data) */
-#ifndef OPENSSL_NO_RC4
- ErlNifBinary state, data;
- RC4_KEY* rc4_key;
- ERL_NIF_TERM new_state, new_data;
-
- CHECK_NO_FIPS_MODE();
-
- if (!enif_inspect_iolist_as_binary(env,argv[0], &state)
- || state.size != sizeof(RC4_KEY)
- || !enif_inspect_iolist_as_binary(env,argv[1], &data)) {
- return enif_make_badarg(env);
- }
- rc4_key = (RC4_KEY*)enif_make_new_binary(env, sizeof(RC4_KEY), &new_state);
- memcpy(rc4_key, state.data, sizeof(RC4_KEY));
- RC4(rc4_key, data.size, data.data,
- enif_make_new_binary(env, data.size, &new_data));
- CONSUME_REDS(env,data);
- return enif_make_tuple2(env,new_state,new_data);
-#else
- return enif_raise_exception(env, atom_notsup);
-#endif
-}
-
-static int get_rsa_private_key(ErlNifEnv* env, ERL_NIF_TERM key, RSA *rsa)
-{
- /* key=[E,N,D]|[E,N,D,P1,P2,E1,E2,C] */
- ERL_NIF_TERM head, tail;
- BIGNUM *e, *n, *d;
- BIGNUM *p, *q;
- BIGNUM *dmp1, *dmq1, *iqmp;
-
- if (!enif_get_list_cell(env, key, &head, &tail)
- || !get_bn_from_bin(env, head, &e)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &n)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &d)) {
- return 0;
- }
- (void) RSA_set0_key(rsa, n, e, d);
- if (enif_is_empty_list(env, tail)) {
- return 1;
- }
- if (!enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &p)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &q)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &dmp1)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &dmq1)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &iqmp)
- || !enif_is_empty_list(env, tail)) {
- return 0;
- }
- (void) RSA_set0_factors(rsa, p, q);
- (void) RSA_set0_crt_params(rsa, dmp1, dmq1, iqmp);
- return 1;
-}
-
-
-static int get_rsa_public_key(ErlNifEnv* env, ERL_NIF_TERM key, RSA *rsa)
-{
- /* key=[E,N] */
- ERL_NIF_TERM head, tail;
- BIGNUM *e, *n;
-
- if (!enif_get_list_cell(env, key, &head, &tail)
- || !get_bn_from_bin(env, head, &e)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &n)
- || !enif_is_empty_list(env, tail)) {
- return 0;
- }
-
- (void) RSA_set0_key(rsa, n, e, NULL);
- return 1;
-}
-
-#ifdef HAVE_EDDSA
- static int get_eddsa_key(ErlNifEnv* env, int public, ERL_NIF_TERM key, EVP_PKEY **pkey)
-{
- /* key=[K] */
- ERL_NIF_TERM head, tail, tail2, algo;
- ErlNifBinary bin;
- int type;
-
- if (!enif_get_list_cell(env, key, &head, &tail)
- || !enif_inspect_binary(env, head, &bin)
- || !enif_get_list_cell(env, tail, &algo, &tail2)
- || !enif_is_empty_list(env, tail2)) {
- return 0;
- }
- if (algo == atom_ed25519) type = EVP_PKEY_ED25519;
- else if (algo == atom_ed448) type = EVP_PKEY_ED448;
- else
- return 0;
-
- if (public)
- *pkey = EVP_PKEY_new_raw_public_key(type, NULL, bin.data, bin.size);
- else
- *pkey = EVP_PKEY_new_raw_private_key(type, NULL, bin.data, bin.size);
-
- if (!pkey)
- return 0;
- return 1;
-}
-#endif
-
-static int get_dss_private_key(ErlNifEnv* env, ERL_NIF_TERM key, DSA *dsa)
-{
- /* key=[P,Q,G,KEY] */
- ERL_NIF_TERM head, tail;
- BIGNUM *dsa_p = NULL, *dsa_q = NULL, *dsa_g = NULL;
- BIGNUM *dummy_pub_key, *priv_key = NULL;
-
- if (!enif_get_list_cell(env, key, &head, &tail)
- || !get_bn_from_bin(env, head, &dsa_p)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &dsa_q)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &dsa_g)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &priv_key)
- || !enif_is_empty_list(env,tail)) {
- if (dsa_p) BN_free(dsa_p);
- if (dsa_q) BN_free(dsa_q);
- if (dsa_g) BN_free(dsa_g);
- if (priv_key) BN_free(priv_key);
- return 0;
- }
-
- /* Note: DSA_set0_key() does not allow setting only the
- * private key, although DSA_sign() does not use the
- * public key. Work around this limitation by setting
- * the public key to a copy of the private key.
- */
- dummy_pub_key = BN_dup(priv_key);
-
- DSA_set0_pqg(dsa, dsa_p, dsa_q, dsa_g);
- DSA_set0_key(dsa, dummy_pub_key, priv_key);
- return 1;
-}
-
-
-static int get_dss_public_key(ErlNifEnv* env, ERL_NIF_TERM key, DSA *dsa)
-{
- /* key=[P, Q, G, Y] */
- ERL_NIF_TERM head, tail;
- BIGNUM *dsa_p = NULL, *dsa_q = NULL, *dsa_g = NULL, *dsa_y = NULL;
-
- if (!enif_get_list_cell(env, key, &head, &tail)
- || !get_bn_from_bin(env, head, &dsa_p)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &dsa_q)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &dsa_g)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &dsa_y)
- || !enif_is_empty_list(env,tail)) {
- if (dsa_p) BN_free(dsa_p);
- if (dsa_q) BN_free(dsa_q);
- if (dsa_g) BN_free(dsa_g);
- if (dsa_y) BN_free(dsa_y);
- return 0;
- }
-
- DSA_set0_pqg(dsa, dsa_p, dsa_q, dsa_g);
- DSA_set0_key(dsa, dsa_y, NULL);
- return 1;
-}
-
-/* Creates a term which can be parsed by get_rsa_private_key(). This is a list of plain integer binaries (not mpints). */
-static ERL_NIF_TERM put_rsa_private_key(ErlNifEnv* env, const RSA *rsa)
-{
- ERL_NIF_TERM result[8];
- const BIGNUM *n, *e, *d, *p, *q, *dmp1, *dmq1, *iqmp;
-
- /* Return at least [E,N,D] */
- n = NULL; e = NULL; d = NULL;
- RSA_get0_key(rsa, &n, &e, &d);
-
- result[0] = bin_from_bn(env, e); // Exponent E
- result[1] = bin_from_bn(env, n); // Modulus N = p*q
- result[2] = bin_from_bn(env, d); // Exponent D
-
- /* Check whether the optional additional parameters are available */
- p = NULL; q = NULL;
- RSA_get0_factors(rsa, &p, &q);
- dmp1 = NULL; dmq1 = NULL; iqmp = NULL;
- RSA_get0_crt_params(rsa, &dmp1, &dmq1, &iqmp);
-
- if (p && q && dmp1 && dmq1 && iqmp) {
- result[3] = bin_from_bn(env, p); // Factor p
- result[4] = bin_from_bn(env, q); // Factor q
- result[5] = bin_from_bn(env, dmp1); // D mod (p-1)
- result[6] = bin_from_bn(env, dmq1); // D mod (q-1)
- result[7] = bin_from_bn(env, iqmp); // (1/q) mod p
-
- return enif_make_list_from_array(env, result, 8);
- } else {
- return enif_make_list_from_array(env, result, 3);
- }
-}
-
-static int check_erlang_interrupt(int maj, int min, BN_GENCB *ctxt)
-{
- ErlNifEnv *env = BN_GENCB_get_arg(ctxt);
-
- if (!enif_is_current_process_alive(env)) {
- return 0;
- } else {
- return 1;
- }
-}
-
-static ERL_NIF_TERM rsa_generate_key(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (ModulusSize, PublicExponent) */
- int modulus_bits;
- BIGNUM *pub_exp, *three;
- RSA *rsa;
- int success;
- ERL_NIF_TERM result;
- BN_GENCB *intr_cb;
-#ifndef HAVE_OPAQUE_BN_GENCB
- BN_GENCB intr_cb_buf;
-#endif
-
- if (!enif_get_int(env, argv[0], &modulus_bits) || modulus_bits < 256) {
- return enif_make_badarg(env);
- }
-
- if (!get_bn_from_bin(env, argv[1], &pub_exp)) {
- return enif_make_badarg(env);
- }
-
- /* Make sure the public exponent is large enough (at least 3).
- * Without this, RSA_generate_key_ex() can run forever. */
- three = BN_new();
- BN_set_word(three, 3);
- success = BN_cmp(pub_exp, three);
- BN_free(three);
- if (success < 0) {
- BN_free(pub_exp);
- return enif_make_badarg(env);
- }
-
- /* For large keys, prime generation can take many seconds. Set up
- * the callback which we use to test whether the process has been
- * interrupted. */
-#ifdef HAVE_OPAQUE_BN_GENCB
- intr_cb = BN_GENCB_new();
-#else
- intr_cb = &intr_cb_buf;
-#endif
- BN_GENCB_set(intr_cb, check_erlang_interrupt, env);
-
- rsa = RSA_new();
- success = RSA_generate_key_ex(rsa, modulus_bits, pub_exp, intr_cb);
- BN_free(pub_exp);
-
-#ifdef HAVE_OPAQUE_BN_GENCB
- BN_GENCB_free(intr_cb);
-#endif
-
- if (!success) {
- RSA_free(rsa);
- return atom_error;
- }
-
- result = put_rsa_private_key(env, rsa);
- RSA_free(rsa);
-
- return result;
-}
-
-static ERL_NIF_TERM rsa_generate_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{
- /* RSA key generation can take a long time (>1 sec for a large
- * modulus), so schedule it as a CPU-bound operation. */
- return enif_schedule_nif(env, "rsa_generate_key",
- ERL_NIF_DIRTY_JOB_CPU_BOUND,
- rsa_generate_key, argc, argv);
-}
-
-static ERL_NIF_TERM dh_generate_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (PrivKey|undefined, DHParams=[P,G], Mpint, Len|0) */
- DH *dh_params = NULL;
- int mpint; /* 0 or 4 */
-
- {
- ERL_NIF_TERM head, tail;
- BIGNUM
- *dh_p = NULL,
- *dh_g = NULL,
- *priv_key_in = NULL;
- unsigned long
- len = 0;
-
- if (!(get_bn_from_bin(env, argv[0], &priv_key_in)
- || argv[0] == atom_undefined)
- || !enif_get_list_cell(env, argv[1], &head, &tail)
- || !get_bn_from_bin(env, head, &dh_p)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &dh_g)
- || !enif_is_empty_list(env, tail)
- || !enif_get_int(env, argv[2], &mpint) || (mpint & ~4)
- || !enif_get_ulong(env, argv[3], &len)
-
- /* Load dh_params with values to use by the generator.
- Mem mgmnt transfered from dh_p etc to dh_params */
- || !(dh_params = DH_new())
- || (priv_key_in && !DH_set0_key(dh_params, NULL, priv_key_in))
- || !DH_set0_pqg(dh_params, dh_p, NULL, dh_g)
- ) {
- if (priv_key_in) BN_free(priv_key_in);
- if (dh_p) BN_free(dh_p);
- if (dh_g) BN_free(dh_g);
- if (dh_params) DH_free(dh_params);
- return enif_make_badarg(env);
- }
-
- if (len) {
- if (len < BN_num_bits(dh_p))
- DH_set_length(dh_params, len);
- else {
- if (priv_key_in) BN_free(priv_key_in);
- if (dh_p) BN_free(dh_p);
- if (dh_g) BN_free(dh_g);
- if (dh_params) DH_free(dh_params);
- return enif_make_badarg(env);
- }
- }
- }
-
-#ifdef HAS_EVP_PKEY_CTX
- {
- EVP_PKEY_CTX *ctx;
- EVP_PKEY *dhkey, *params;
- int success;
-
- params = EVP_PKEY_new();
- success = EVP_PKEY_set1_DH(params, dh_params); /* set the key referenced by params to dh_params... */
- DH_free(dh_params); /* ...dh_params (and params) must be freed */
- if (!success) return atom_error;
-
- ctx = EVP_PKEY_CTX_new(params, NULL);
- EVP_PKEY_free(params);
- if (!ctx) {
- return atom_error;
- }
-
- if (!EVP_PKEY_keygen_init(ctx)) {
- /* EVP_PKEY_CTX_free(ctx); */
- return atom_error;
- }
-
- dhkey = EVP_PKEY_new();
- if (!EVP_PKEY_keygen(ctx, &dhkey)) { /* "performs a key generation operation, the ... */
- /*... generated key is written to ppkey." (=last arg) */
- /* EVP_PKEY_CTX_free(ctx); */
- /* EVP_PKEY_free(dhkey); */
- return atom_error;
- }
-
- dh_params = EVP_PKEY_get1_DH(dhkey); /* return the referenced key. dh_params and dhkey must be freed */
- EVP_PKEY_free(dhkey);
- if (!dh_params) {
- /* EVP_PKEY_CTX_free(ctx); */
- return atom_error;
- }
- EVP_PKEY_CTX_free(ctx);
- }
-#else
- if (!DH_generate_key(dh_params)) return atom_error;
-#endif
- {
- unsigned char *pub_ptr, *prv_ptr;
- int pub_len, prv_len;
- ERL_NIF_TERM ret_pub, ret_prv;
- const BIGNUM *pub_key_gen, *priv_key_gen;
-
- DH_get0_key(dh_params,
- &pub_key_gen, &priv_key_gen); /* Get pub_key_gen and priv_key_gen.
- "The values point to the internal representation of
- the public key and private key values. This memory
- should not be freed directly." says man */
- pub_len = BN_num_bytes(pub_key_gen);
- prv_len = BN_num_bytes(priv_key_gen);
- pub_ptr = enif_make_new_binary(env, pub_len+mpint, &ret_pub);
- prv_ptr = enif_make_new_binary(env, prv_len+mpint, &ret_prv);
- if (mpint) {
- put_int32(pub_ptr, pub_len); pub_ptr += 4;
- put_int32(prv_ptr, prv_len); prv_ptr += 4;
- }
- BN_bn2bin(pub_key_gen, pub_ptr);
- BN_bn2bin(priv_key_gen, prv_ptr);
- ERL_VALGRIND_MAKE_MEM_DEFINED(pub_ptr, pub_len);
- ERL_VALGRIND_MAKE_MEM_DEFINED(prv_ptr, prv_len);
-
- DH_free(dh_params);
-
- return enif_make_tuple2(env, ret_pub, ret_prv);
- }
-}
-
-static ERL_NIF_TERM dh_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (OthersPublicKey, MyPrivateKey, DHParams=[P,G]) */
- BIGNUM *other_pub_key = NULL,
- *dh_p = NULL,
- *dh_g = NULL;
- DH *dh_priv = DH_new();
-
- /* Check the arguments and get
- my private key (dh_priv),
- the peer's public key (other_pub_key),
- the parameters p & q
- */
-
- {
- BIGNUM *dummy_pub_key = NULL,
- *priv_key = NULL;
- ERL_NIF_TERM head, tail;
-
- if (!get_bn_from_bin(env, argv[0], &other_pub_key)
- || !get_bn_from_bin(env, argv[1], &priv_key)
- || !enif_get_list_cell(env, argv[2], &head, &tail)
- || !get_bn_from_bin(env, head, &dh_p)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &dh_g)
- || !enif_is_empty_list(env, tail)
-
- /* Note: DH_set0_key() does not allow setting only the
- * private key, although DH_compute_key() does not use the
- * public key. Work around this limitation by setting
- * the public key to a copy of the private key.
- */
- || !(dummy_pub_key = BN_dup(priv_key))
- || !DH_set0_key(dh_priv, dummy_pub_key, priv_key)
- || !DH_set0_pqg(dh_priv, dh_p, NULL, dh_g)
- ) {
- if (dh_p) BN_free(dh_p);
- if (dh_g) BN_free(dh_g);
- if (other_pub_key) BN_free(other_pub_key);
- if (dummy_pub_key) BN_free(dummy_pub_key);
- if (priv_key) BN_free(priv_key);
- return enif_make_badarg(env);
- }
- }
- {
- ErlNifBinary ret_bin;
- int size;
-
- enif_alloc_binary(DH_size(dh_priv), &ret_bin);
- size = DH_compute_key(ret_bin.data, other_pub_key, dh_priv);
- BN_free(other_pub_key);
- DH_free(dh_priv);
- if (size<=0) {
- enif_release_binary(&ret_bin);
- return atom_error;
- }
-
- if (size != ret_bin.size) enif_realloc_binary(&ret_bin, size);
- return enif_make_binary(env, &ret_bin);
- }
-}
-
-
-static ERL_NIF_TERM srp_value_B_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Multiplier, Verifier, Generator, Exponent, Prime) */
- BIGNUM *bn_verifier = NULL;
- BIGNUM *bn_exponent = NULL, *bn_generator = NULL, *bn_prime = NULL, *bn_multiplier = NULL, *bn_result;
- BN_CTX *bn_ctx;
- unsigned char* ptr;
- unsigned dlen;
- ERL_NIF_TERM ret;
-
- CHECK_NO_FIPS_MODE();
-
- if (!get_bn_from_bin(env, argv[0], &bn_multiplier)
- || !get_bn_from_bin(env, argv[1], &bn_verifier)
- || !get_bn_from_bin(env, argv[2], &bn_generator)
- || !get_bn_from_bin(env, argv[3], &bn_exponent)
- || !get_bn_from_bin(env, argv[4], &bn_prime)) {
- if (bn_multiplier) BN_free(bn_multiplier);
- if (bn_verifier) BN_free(bn_verifier);
- if (bn_generator) BN_free(bn_generator);
- if (bn_exponent) BN_free(bn_exponent);
- if (bn_prime) BN_free(bn_prime);
- return enif_make_badarg(env);
- }
-
- bn_result = BN_new();
- bn_ctx = BN_CTX_new();
-
- /* B = k*v + g^b % N */
-
- /* k * v */
- BN_mod_mul(bn_multiplier, bn_multiplier, bn_verifier, bn_prime, bn_ctx);
-
- /* g^b % N */
- BN_mod_exp(bn_result, bn_generator, bn_exponent, bn_prime, bn_ctx);
-
- /* k*v + g^b % N */
- BN_mod_add(bn_result, bn_result, bn_multiplier, bn_prime, bn_ctx);
-
- /* check that B % N != 0, reuse bn_multiplier */
- BN_nnmod(bn_multiplier, bn_result, bn_prime, bn_ctx);
- if (BN_is_zero(bn_multiplier)) {
- ret = atom_error;
- } else {
- dlen = BN_num_bytes(bn_result);
- ptr = enif_make_new_binary(env, dlen, &ret);
- BN_bn2bin(bn_result, ptr);
- }
- BN_free(bn_result);
- BN_CTX_free(bn_ctx);
- BN_free(bn_prime);
- BN_free(bn_generator);
- BN_free(bn_multiplier);
- BN_free(bn_exponent);
- BN_free(bn_verifier);
- return ret;
-}
-
-static ERL_NIF_TERM srp_user_secret_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (a, u, B, Multiplier, Prime, Exponent, Generator) */
-/*
- <premaster secret> = (B - (k * g^x)) ^ (a + (u * x)) % N
-*/
- BIGNUM *bn_exponent = NULL, *bn_a = NULL;
- BIGNUM *bn_u = NULL, *bn_multiplier = NULL, *bn_exp2,
- *bn_base, *bn_prime = NULL, *bn_generator = NULL,
- *bn_B = NULL, *bn_result;
- BN_CTX *bn_ctx;
- unsigned char* ptr;
- unsigned dlen;
- ERL_NIF_TERM ret;
-
- CHECK_NO_FIPS_MODE();
-
- if (!get_bn_from_bin(env, argv[0], &bn_a)
- || !get_bn_from_bin(env, argv[1], &bn_u)
- || !get_bn_from_bin(env, argv[2], &bn_B)
- || !get_bn_from_bin(env, argv[3], &bn_multiplier)
- || !get_bn_from_bin(env, argv[4], &bn_generator)
- || !get_bn_from_bin(env, argv[5], &bn_exponent)
- || !get_bn_from_bin(env, argv[6], &bn_prime))
- {
- if (bn_exponent) BN_free(bn_exponent);
- if (bn_a) BN_free(bn_a);
- if (bn_u) BN_free(bn_u);
- if (bn_B) BN_free(bn_B);
- if (bn_multiplier) BN_free(bn_multiplier);
- if (bn_generator) BN_free(bn_generator);
- if (bn_prime) BN_free(bn_prime);
- return enif_make_badarg(env);
- }
-
- bn_ctx = BN_CTX_new();
- bn_result = BN_new();
-
- /* check that B % N != 0 */
- BN_nnmod(bn_result, bn_B, bn_prime, bn_ctx);
- if (BN_is_zero(bn_result)) {
- BN_free(bn_exponent);
- BN_free(bn_a);
- BN_free(bn_generator);
- BN_free(bn_prime);
- BN_free(bn_u);
- BN_free(bn_B);
- BN_CTX_free(bn_ctx);
-
- return atom_error;
- }
-
- /* (B - (k * g^x)) */
- bn_base = BN_new();
- BN_mod_exp(bn_result, bn_generator, bn_exponent, bn_prime, bn_ctx);
- BN_mod_mul(bn_result, bn_multiplier, bn_result, bn_prime, bn_ctx);
- BN_mod_sub(bn_base, bn_B, bn_result, bn_prime, bn_ctx);
-
- /* a + (u * x) */
- bn_exp2 = BN_new();
- BN_mul(bn_result, bn_u, bn_exponent, bn_ctx);
- BN_add(bn_exp2, bn_a, bn_result);
-
- /* (B - (k * g^x)) ^ (a + (u * x)) % N */
- BN_mod_exp(bn_result, bn_base, bn_exp2, bn_prime, bn_ctx);
-
- dlen = BN_num_bytes(bn_result);
- ptr = enif_make_new_binary(env, dlen, &ret);
- BN_bn2bin(bn_result, ptr);
- BN_free(bn_result);
- BN_CTX_free(bn_ctx);
-
- BN_free(bn_multiplier);
- BN_free(bn_exp2);
- BN_free(bn_u);
- BN_free(bn_exponent);
- BN_free(bn_a);
- BN_free(bn_B);
- BN_free(bn_base);
- BN_free(bn_generator);
- BN_free(bn_prime);
- return ret;
-}
-
-static ERL_NIF_TERM srp_host_secret_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Verifier, b, u, A, Prime) */
-/*
- <premaster secret> = (A * v^u) ^ b % N
-*/
- BIGNUM *bn_b = NULL, *bn_verifier = NULL;
- BIGNUM *bn_prime = NULL, *bn_A = NULL, *bn_u = NULL, *bn_base, *bn_result;
- BN_CTX *bn_ctx;
- unsigned char* ptr;
- unsigned dlen;
- ERL_NIF_TERM ret;
-
- CHECK_NO_FIPS_MODE();
-
- if (!get_bn_from_bin(env, argv[0], &bn_verifier)
- || !get_bn_from_bin(env, argv[1], &bn_b)
- || !get_bn_from_bin(env, argv[2], &bn_u)
- || !get_bn_from_bin(env, argv[3], &bn_A)
- || !get_bn_from_bin(env, argv[4], &bn_prime))
- {
- if (bn_verifier) BN_free(bn_verifier);
- if (bn_b) BN_free(bn_b);
- if (bn_u) BN_free(bn_u);
- if (bn_A) BN_free(bn_A);
- if (bn_prime) BN_free(bn_prime);
- return enif_make_badarg(env);
- }
-
- bn_ctx = BN_CTX_new();
- bn_result = BN_new();
-
- /* check that A % N != 0 */
- BN_nnmod(bn_result, bn_A, bn_prime, bn_ctx);
- if (BN_is_zero(bn_result)) {
- BN_free(bn_b);
- BN_free(bn_verifier);
- BN_free(bn_prime);
- BN_free(bn_A);
- BN_CTX_free(bn_ctx);
-
- return atom_error;
- }
-
- /* (A * v^u) */
- bn_base = BN_new();
- BN_mod_exp(bn_base, bn_verifier, bn_u, bn_prime, bn_ctx);
- BN_mod_mul(bn_base, bn_A, bn_base, bn_prime, bn_ctx);
-
- /* (A * v^u) ^ b % N */
- BN_mod_exp(bn_result, bn_base, bn_b, bn_prime, bn_ctx);
-
- dlen = BN_num_bytes(bn_result);
- ptr = enif_make_new_binary(env, dlen, &ret);
- BN_bn2bin(bn_result, ptr);
- BN_free(bn_result);
- BN_CTX_free(bn_ctx);
-
- BN_free(bn_u);
- BN_free(bn_base);
- BN_free(bn_verifier);
- BN_free(bn_prime);
- BN_free(bn_A);
- BN_free(bn_b);
- return ret;
-}
-
-#if defined(HAVE_EC)
-static EC_KEY* ec_key_new(ErlNifEnv* env, ERL_NIF_TERM curve_arg)
-{
- EC_KEY *key = NULL;
- int c_arity = -1;
- const ERL_NIF_TERM* curve;
- ErlNifBinary seed;
- BIGNUM *p = NULL;
- BIGNUM *a = NULL;
- BIGNUM *b = NULL;
- BIGNUM *bn_order = NULL;
- BIGNUM *cofactor = NULL;
- EC_GROUP *group = NULL;
- EC_POINT *point = NULL;
-
- /* {Field, Prime, Point, Order, CoFactor} = Curve */
- if (enif_get_tuple(env,curve_arg,&c_arity,&curve)
- && c_arity == 5
- && get_bn_from_bin(env, curve[3], &bn_order)
- && (curve[4] != atom_none && get_bn_from_bin(env, curve[4], &cofactor))) {
-
- int f_arity = -1;
- const ERL_NIF_TERM* field;
- int p_arity = -1;
- const ERL_NIF_TERM* prime;
-
- long field_bits;
-
- /* {A, B, Seed} = Prime */
- if (!enif_get_tuple(env,curve[1],&p_arity,&prime)
- || !get_bn_from_bin(env, prime[0], &a)
- || !get_bn_from_bin(env, prime[1], &b))
- goto out_err;
-
- if (!enif_get_tuple(env,curve[0],&f_arity,&field))
- goto out_err;
-
- if (f_arity == 2 && field[0] == atom_prime_field) {
- /* {prime_field, Prime} */
-
- if (!get_bn_from_bin(env, field[1], &p))
- goto out_err;
-
- if (BN_is_negative(p) || BN_is_zero(p))
- goto out_err;
-
- field_bits = BN_num_bits(p);
- if (field_bits > OPENSSL_ECC_MAX_FIELD_BITS)
- goto out_err;
-
- /* create the EC_GROUP structure */
- group = EC_GROUP_new_curve_GFp(p, a, b, NULL);
-
- } else if (f_arity == 3 && field[0] == atom_characteristic_two_field) {
-#if defined(OPENSSL_NO_EC2M)
- enif_raise_exception(env, atom_notsup);
- goto out_err;
-#else
- /* {characteristic_two_field, M, Basis} */
-
- int b_arity = -1;
- const ERL_NIF_TERM* basis;
- unsigned int k1, k2, k3;
-
- if ((p = BN_new()) == NULL)
- goto out_err;
-
- if (!enif_get_long(env, field[1], &field_bits)
- || field_bits > OPENSSL_ECC_MAX_FIELD_BITS)
- goto out_err;
-
- if (enif_get_tuple(env,field[2],&b_arity,&basis)) {
- if (b_arity == 2
- && basis[0] == atom_tpbasis
- && enif_get_uint(env, basis[1], &k1)) {
- /* {tpbasis, k} = Basis */
-
- if (!(field_bits > k1 && k1 > 0))
- goto out_err;
-
- /* create the polynomial */
- if (!BN_set_bit(p, (int)field_bits)
- || !BN_set_bit(p, (int)k1)
- || !BN_set_bit(p, 0))
- goto out_err;
-
- } else if (b_arity == 4
- && basis[0] == atom_ppbasis
- && enif_get_uint(env, basis[1], &k1)
- && enif_get_uint(env, basis[2], &k2)
- && enif_get_uint(env, basis[3], &k3)) {
- /* {ppbasis, k1, k2, k3} = Basis */
-
- if (!(field_bits > k3 && k3 > k2 && k2 > k1 && k1 > 0))
- goto out_err;
-
- /* create the polynomial */
- if (!BN_set_bit(p, (int)field_bits)
- || !BN_set_bit(p, (int)k1)
- || !BN_set_bit(p, (int)k2)
- || !BN_set_bit(p, (int)k3)
- || !BN_set_bit(p, 0))
- goto out_err;
-
- } else
- goto out_err;
- } else if (field[2] == atom_onbasis) {
- /* onbasis = Basis */
- /* no parameters */
- goto out_err;
-
- } else
- goto out_err;
-
- group = EC_GROUP_new_curve_GF2m(p, a, b, NULL);
-#endif
- } else
- goto out_err;
-
- if (!group)
- goto out_err;
-
- if (enif_inspect_binary(env, prime[2], &seed)) {
- EC_GROUP_set_seed(group, seed.data, seed.size);
- }
-
- if (!term2point(env, curve[2], group, &point))
- goto out_err;
-
- if (BN_is_negative(bn_order)
- || BN_is_zero(bn_order)
- || BN_num_bits(bn_order) > (int)field_bits + 1)
- goto out_err;
-
- if (!EC_GROUP_set_generator(group, point, bn_order, cofactor))
- goto out_err;
-
- EC_GROUP_set_asn1_flag(group, 0x0);
-
- key = EC_KEY_new();
- if (!key)
- goto out_err;
- EC_KEY_set_group(key, group);
- }
- else {
- goto out_err;
- }
-
-
- goto out;
-
-out_err:
- if (key) EC_KEY_free(key);
- key = NULL;
-
-out:
- /* some OpenSSL structures are mem-dup'ed into the key,
- so we have to free our copies here */
- if (p) BN_free(p);
- if (a) BN_free(a);
- if (b) BN_free(b);
- if (bn_order) BN_free(bn_order);
- if (cofactor) BN_free(cofactor);
- if (group) EC_GROUP_free(group);
- if (point) EC_POINT_free(point);
-
- return key;
-}
-
-
-static ERL_NIF_TERM bn2term(ErlNifEnv* env, const BIGNUM *bn)
-{
- unsigned dlen;
- unsigned char* ptr;
- ERL_NIF_TERM ret;
-
- if (!bn)
- return atom_undefined;
-
- dlen = BN_num_bytes(bn);
- ptr = enif_make_new_binary(env, dlen, &ret);
- BN_bn2bin(bn, ptr);
- ERL_VALGRIND_MAKE_MEM_DEFINED(ptr, dlen);
- return ret;
-}
-
-static ERL_NIF_TERM point2term(ErlNifEnv* env,
- const EC_GROUP *group,
- const EC_POINT *point,
- point_conversion_form_t form)
-{
- unsigned dlen;
- ErlNifBinary bin;
-
- dlen = EC_POINT_point2oct(group, point, form, NULL, 0, NULL);
- if (dlen == 0)
- return atom_undefined;
-
- if (!enif_alloc_binary(dlen, &bin))
- return enif_make_badarg(env);
-
- if (!EC_POINT_point2oct(group, point, form, bin.data, bin.size, NULL)) {
- enif_release_binary(&bin);
- return enif_make_badarg(env);
- }
- ERL_VALGRIND_MAKE_MEM_DEFINED(bin.data, bin.size);
- return enif_make_binary(env, &bin);
-}
-
-static int term2point(ErlNifEnv* env, ERL_NIF_TERM term,
- EC_GROUP *group, EC_POINT **pptr)
-{
- int ret = 0;
- ErlNifBinary bin;
- EC_POINT *point;
-
- if (!enif_inspect_binary(env,term,&bin)) {
- return 0;
- }
-
- if ((*pptr = point = EC_POINT_new(group)) == NULL) {
- return 0;
- }
-
- /* set the point conversion form */
- EC_GROUP_set_point_conversion_form(group, (point_conversion_form_t)(bin.data[0] & ~0x01));
-
- /* extract the ec point */
- if (!EC_POINT_oct2point(group, point, bin.data, bin.size, NULL)) {
- EC_POINT_free(point);
- *pptr = NULL;
- } else
- ret = 1;
-
- return ret;
-}
-
-static int get_ec_key(ErlNifEnv* env,
- ERL_NIF_TERM curve, ERL_NIF_TERM priv, ERL_NIF_TERM pub,
- EC_KEY** res)
-{
- EC_KEY *key = NULL;
- BIGNUM *priv_key = NULL;
- EC_POINT *pub_key = NULL;
- EC_GROUP *group = NULL;
-
- if (!(priv == atom_undefined || get_bn_from_bin(env, priv, &priv_key))
- || !(pub == atom_undefined || enif_is_binary(env, pub))) {
- goto out_err;
- }
-
- key = ec_key_new(env, curve);
-
- if (!key) {
- goto out_err;
- }
-
- if (!group)
- group = EC_GROUP_dup(EC_KEY_get0_group(key));
-
- if (term2point(env, pub, group, &pub_key)) {
- if (!EC_KEY_set_public_key(key, pub_key)) {
- goto out_err;
- }
- }
- if (priv != atom_undefined
- && !BN_is_zero(priv_key)) {
- if (!EC_KEY_set_private_key(key, priv_key))
- goto out_err;
-
- /* calculate public key (if necessary) */
- if (EC_KEY_get0_public_key(key) == NULL)
- {
- /* the public key was not included in the SEC1 private
- * key => calculate the public key */
- pub_key = EC_POINT_new(group);
- if (pub_key == NULL
- || !EC_POINT_copy(pub_key, EC_GROUP_get0_generator(group))
- || !EC_POINT_mul(group, pub_key, priv_key, NULL, NULL, NULL)
- || !EC_KEY_set_public_key(key, pub_key))
- goto out_err;
- }
- }
-
- goto out;
-
-out_err:
- if (key) EC_KEY_free(key);
- key = NULL;
-
-out:
- /* some OpenSSL structures are mem-dup'ed into the key,
- so we have to free our copies here */
- if (priv_key) BN_clear_free(priv_key);
- if (pub_key) EC_POINT_free(pub_key);
- if (group) EC_GROUP_free(group);
- if (!key)
- return 0;
- *res = key;
- return 1;
-}
-#endif /* HAVE_EC */
-
-static ERL_NIF_TERM ec_key_generate(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{
-#if defined(HAVE_EC)
- EC_KEY *key = NULL;
- const EC_GROUP *group;
- const EC_POINT *public_key;
- ERL_NIF_TERM priv_key;
- ERL_NIF_TERM pub_key = atom_undefined;
-
- if (!get_ec_key(env, argv[0], argv[1], atom_undefined, &key))
- goto badarg;
-
- if (argv[1] == atom_undefined) {
- if (!EC_KEY_generate_key(key))
- goto badarg;
- }
-
- group = EC_KEY_get0_group(key);
- public_key = EC_KEY_get0_public_key(key);
-
- if (group && public_key) {
- pub_key = point2term(env, group, public_key,
- EC_KEY_get_conv_form(key));
- }
- priv_key = bn2term(env, EC_KEY_get0_private_key(key));
- EC_KEY_free(key);
- return enif_make_tuple2(env, pub_key, priv_key);
-
-badarg:
- if (key)
- EC_KEY_free(key);
- return make_badarg_maybe(env);
-#else
- return atom_notsup;
-#endif
-}
-
-/*
- (_OthersPublicKey, _MyPrivateKey)
- (_OthersPublicKey, _MyEC_Point)
-*/
-static ERL_NIF_TERM ecdh_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-/* (OtherPublicKey, Curve, My) */
-{
-#if defined(HAVE_EC)
- ERL_NIF_TERM ret;
- unsigned char *p;
- EC_KEY* key = NULL;
- int field_size = 0;
- int i;
- EC_GROUP *group;
- const BIGNUM *priv_key;
- EC_POINT *my_ecpoint = NULL;
- EC_KEY *other_ecdh = NULL;
-
- if (!get_ec_key(env, argv[1], argv[2], atom_undefined, &key))
- return make_badarg_maybe(env);
-
- group = EC_GROUP_dup(EC_KEY_get0_group(key));
- priv_key = EC_KEY_get0_private_key(key);
-
- if (!term2point(env, argv[0], group, &my_ecpoint)) {
- goto out_err;
- }
-
- if ((other_ecdh = EC_KEY_new()) == NULL
- || !EC_KEY_set_group(other_ecdh, group)
- || !EC_KEY_set_private_key(other_ecdh, priv_key))
- goto out_err;
-
- field_size = EC_GROUP_get_degree(group);
- if (field_size <= 0)
- goto out_err;
-
- p = enif_make_new_binary(env, (field_size+7)/8, &ret);
- i = ECDH_compute_key(p, (field_size+7)/8, my_ecpoint, other_ecdh, NULL);
-
- if (i < 0)
- goto out_err;
-out:
- if (group) EC_GROUP_free(group);
- if (my_ecpoint) EC_POINT_free(my_ecpoint);
- if (other_ecdh) EC_KEY_free(other_ecdh);
- if (key) EC_KEY_free(key);
-
- return ret;
-
-out_err:
- ret = enif_make_badarg(env);
- goto out;
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM evp_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
- /* (Curve, PeerBin, MyBin) */
-{
-#ifdef HAVE_ED_CURVE_DH
- int type;
- EVP_PKEY_CTX *ctx = NULL;
- ErlNifBinary peer_bin, my_bin, key_bin;
- EVP_PKEY *peer_key = NULL, *my_key = NULL;
- size_t max_size;
-
- if (argv[0] == atom_x25519) type = EVP_PKEY_X25519;
- else if (argv[0] == atom_x448) type = EVP_PKEY_X448;
- else return enif_make_badarg(env);
-
- if (!enif_inspect_binary(env, argv[1], &peer_bin) ||
- !enif_inspect_binary(env, argv[2], &my_bin))
- goto return_badarg;
-
- if (!(my_key = EVP_PKEY_new_raw_private_key(type, NULL, my_bin.data, my_bin.size)) ||
- !(ctx = EVP_PKEY_CTX_new(my_key, NULL)))
- goto return_badarg;
-
- if (!EVP_PKEY_derive_init(ctx))
- goto return_badarg;
-
- if (!(peer_key = EVP_PKEY_new_raw_public_key(type, NULL, peer_bin.data, peer_bin.size)) ||
- !EVP_PKEY_derive_set_peer(ctx, peer_key))
- goto return_badarg;
-
- if (!EVP_PKEY_derive(ctx, NULL, &max_size))
- goto return_badarg;
-
- if (!enif_alloc_binary(max_size, &key_bin) ||
- !EVP_PKEY_derive(ctx, key_bin.data, &key_bin.size))
- goto return_badarg;
-
- if (key_bin.size < max_size) {
- size_t actual_size = key_bin.size;
- if (!enif_realloc_binary(&key_bin, actual_size))
- goto return_badarg;
- }
-
- EVP_PKEY_free(my_key);
- EVP_PKEY_free(peer_key);
- EVP_PKEY_CTX_free(ctx);
- return enif_make_binary(env, &key_bin);
-
-return_badarg:
- if (my_key) EVP_PKEY_free(my_key);
- if (peer_key) EVP_PKEY_free(peer_key);
- if (ctx) EVP_PKEY_CTX_free(ctx);
- return enif_make_badarg(env);
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM evp_generate_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-/* (Curve) */
-{
-#ifdef HAVE_ED_CURVE_DH
- int type;
- EVP_PKEY_CTX *ctx = NULL;
- EVP_PKEY *pkey = NULL;
- ERL_NIF_TERM ret_pub, ret_prv;
- size_t key_len;
-
- if (argv[0] == atom_x25519) type = EVP_PKEY_X25519;
- else if (argv[0] == atom_x448) type = EVP_PKEY_X448;
- else return enif_make_badarg(env);
-
- if (!(ctx = EVP_PKEY_CTX_new_id(type, NULL))) return enif_make_badarg(env);
-
- if (!EVP_PKEY_keygen_init(ctx)) goto return_error;
- if (!EVP_PKEY_keygen(ctx, &pkey)) goto return_error;
-
- if (!EVP_PKEY_get_raw_public_key(pkey, NULL, &key_len)) goto return_error;
- if (!EVP_PKEY_get_raw_public_key(pkey,
- enif_make_new_binary(env, key_len, &ret_pub),
- &key_len))
- goto return_error;
-
- if (!EVP_PKEY_get_raw_private_key(pkey, NULL, &key_len)) goto return_error;
- if (!EVP_PKEY_get_raw_private_key(pkey,
- enif_make_new_binary(env, key_len, &ret_prv),
- &key_len))
- goto return_error;
-
- EVP_PKEY_free(pkey);
- EVP_PKEY_CTX_free(ctx);
- return enif_make_tuple2(env, ret_pub, ret_prv);
-
-return_error:
- if (pkey) EVP_PKEY_free(pkey);
- if (ctx) EVP_PKEY_CTX_free(ctx);
- return atom_error;
-
-#else
- return atom_notsup;
-#endif
-}
-
-/*================================================================*/
-#define PKEY_BADARG -1
-#define PKEY_NOTSUP 0
-#define PKEY_OK 1
-
-typedef struct PKeyCryptOptions {
- const EVP_MD *rsa_mgf1_md;
- ErlNifBinary rsa_oaep_label;
- const EVP_MD *rsa_oaep_md;
- int rsa_padding;
- const EVP_MD *signature_md;
-} PKeyCryptOptions;
-
-typedef struct PKeySignOptions {
- const EVP_MD *rsa_mgf1_md;
- int rsa_padding;
- int rsa_pss_saltlen;
-} PKeySignOptions;
-
-static int get_pkey_digest_type(ErlNifEnv *env, ERL_NIF_TERM algorithm, ERL_NIF_TERM type,
- const EVP_MD **md)
-{
- struct digest_type_t *digp = NULL;
- *md = NULL;
-
- if (type == atom_none && algorithm == atom_rsa) return PKEY_OK;
-#ifdef HAVE_EDDSA
- if (algorithm == atom_eddsa) return PKEY_OK;
-#endif
- digp = get_digest_type(type);
- if (!digp) return PKEY_BADARG;
- if (!digp->md.p) return PKEY_NOTSUP;
-
- *md = digp->md.p;
- return PKEY_OK;
-}
-
-
-static int get_pkey_sign_digest(ErlNifEnv *env, ERL_NIF_TERM algorithm,
- ERL_NIF_TERM type, ERL_NIF_TERM data,
- unsigned char *md_value, const EVP_MD **mdp,
- unsigned char **tbsp, size_t *tbslenp)
-{
- int i;
- const ERL_NIF_TERM *tpl_terms;
- int tpl_arity;
- ErlNifBinary tbs_bin;
- EVP_MD_CTX *mdctx;
- const EVP_MD *md = *mdp;
- unsigned char *tbs = *tbsp;
- size_t tbslen = *tbslenp;
- unsigned int tbsleni;
-
- if ((i = get_pkey_digest_type(env, algorithm, type, &md)) != PKEY_OK) {
- return i;
- }
- if (enif_get_tuple(env, data, &tpl_arity, &tpl_terms)) {
- if (tpl_arity != 2 || tpl_terms[0] != atom_digest
- || !enif_inspect_binary(env, tpl_terms[1], &tbs_bin)
- || (md != NULL && tbs_bin.size != EVP_MD_size(md))) {
- return PKEY_BADARG;
- }
- /* We have a digest (= hashed text) in tbs_bin */
- tbs = tbs_bin.data;
- tbslen = tbs_bin.size;
- } else if (md == NULL) {
- if (!enif_inspect_binary(env, data, &tbs_bin)) {
- return PKEY_BADARG;
- }
- /* md == NULL, that is no hashing because DigestType argument was atom_none */
- tbs = tbs_bin.data;
- tbslen = tbs_bin.size;
- } else {
- if (!enif_inspect_binary(env, data, &tbs_bin)) {
- return PKEY_BADARG;
- }
- /* We have the cleartext in tbs_bin and the hash algo info in md */
- tbs = md_value;
- mdctx = EVP_MD_CTX_create();
- if (!mdctx) {
- return PKEY_BADARG;
- }
- /* Looks well, now hash the plain text into a digest according to md */
- if (EVP_DigestInit_ex(mdctx, md, NULL) <= 0) {
- EVP_MD_CTX_destroy(mdctx);
- return PKEY_BADARG;
- }
- if (EVP_DigestUpdate(mdctx, tbs_bin.data, tbs_bin.size) <= 0) {
- EVP_MD_CTX_destroy(mdctx);
- return PKEY_BADARG;
- }
- if (EVP_DigestFinal_ex(mdctx, tbs, &tbsleni) <= 0) {
- EVP_MD_CTX_destroy(mdctx);
- return PKEY_BADARG;
- }
- tbslen = (size_t)(tbsleni);
- EVP_MD_CTX_destroy(mdctx);
- }
-
- *mdp = md;
- *tbsp = tbs;
- *tbslenp = tbslen;
-
- return PKEY_OK;
-}
-
-
-static int get_pkey_sign_options(ErlNifEnv *env, ERL_NIF_TERM algorithm, ERL_NIF_TERM options,
- const EVP_MD *md, PKeySignOptions *opt)
-{
- ERL_NIF_TERM head, tail;
- const ERL_NIF_TERM *tpl_terms;
- int tpl_arity;
- const EVP_MD *opt_md;
- int i;
-
- if (!enif_is_list(env, options)) {
- return PKEY_BADARG;
- }
-
- /* defaults */
- if (algorithm == atom_rsa) {
- opt->rsa_mgf1_md = NULL;
- opt->rsa_padding = RSA_PKCS1_PADDING;
- opt->rsa_pss_saltlen = -2;
- }
-
- if (enif_is_empty_list(env, options)) {
- return PKEY_OK;
- }
-
- if (algorithm == atom_rsa) {
- tail = options;
- while (enif_get_list_cell(env, tail, &head, &tail)) {
- if (enif_get_tuple(env, head, &tpl_arity, &tpl_terms) && tpl_arity == 2) {
- if (tpl_terms[0] == atom_rsa_mgf1_md && enif_is_atom(env, tpl_terms[1])) {
- i = get_pkey_digest_type(env, algorithm, tpl_terms[1], &opt_md);
- if (i != PKEY_OK) {
- return i;
- }
- opt->rsa_mgf1_md = opt_md;
- } else if (tpl_terms[0] == atom_rsa_padding) {
- if (tpl_terms[1] == atom_rsa_pkcs1_padding) {
- opt->rsa_padding = RSA_PKCS1_PADDING;
- } else if (tpl_terms[1] == atom_rsa_pkcs1_pss_padding) {
-#ifdef HAVE_RSA_PKCS1_PSS_PADDING
- opt->rsa_padding = RSA_PKCS1_PSS_PADDING;
- if (opt->rsa_mgf1_md == NULL) {
- opt->rsa_mgf1_md = md;
- }
-#else
- return PKEY_NOTSUP;
-#endif
- } else if (tpl_terms[1] == atom_rsa_x931_padding) {
- opt->rsa_padding = RSA_X931_PADDING;
- } else if (tpl_terms[1] == atom_rsa_no_padding) {
- opt->rsa_padding = RSA_NO_PADDING;
- } else {
- return PKEY_BADARG;
- }
- } else if (tpl_terms[0] == atom_rsa_pss_saltlen) {
- if (!enif_get_int(env, tpl_terms[1], &(opt->rsa_pss_saltlen))
- || opt->rsa_pss_saltlen < -2) {
- return PKEY_BADARG;
- }
- } else {
- return PKEY_BADARG;
- }
- } else {
- return PKEY_BADARG;
- }
- }
- } else {
- return PKEY_BADARG;
- }
-
- return PKEY_OK;
-}
-
-
-#ifdef HAS_ENGINE_SUPPORT
-static int get_engine_and_key_id(ErlNifEnv *env, ERL_NIF_TERM key, char ** id, ENGINE **e)
-{
- ERL_NIF_TERM engine_res, key_id_term;
- struct engine_ctx *ctx;
- ErlNifBinary key_id_bin;
-
- if (!enif_get_map_value(env, key, atom_engine, &engine_res) ||
- !enif_get_resource(env, engine_res, engine_ctx_rtype, (void**)&ctx) ||
- !enif_get_map_value(env, key, atom_key_id, &key_id_term) ||
- !enif_inspect_binary(env, key_id_term, &key_id_bin)) {
- return 0;
- }
- else {
- *e = ctx->engine;
- return zero_terminate(key_id_bin, id);
- }
-}
-
-
-static char *get_key_password(ErlNifEnv *env, ERL_NIF_TERM key) {
- ERL_NIF_TERM tmp_term;
- ErlNifBinary pwd_bin;
- char *pwd = NULL;
- if (enif_get_map_value(env, key, atom_password, &tmp_term) &&
- enif_inspect_binary(env, tmp_term, &pwd_bin) &&
- zero_terminate(pwd_bin, &pwd)
- ) return pwd;
-
- return NULL;
-}
-
-static int zero_terminate(ErlNifBinary bin, char **buf) {
- *buf = enif_alloc(bin.size+1);
- if (!*buf)
- return 0;
- memcpy(*buf, bin.data, bin.size);
- *(*buf+bin.size) = 0;
- return 1;
-}
-#endif
-
-static int get_pkey_private_key(ErlNifEnv *env, ERL_NIF_TERM algorithm, ERL_NIF_TERM key, EVP_PKEY **pkey)
-{
- if (enif_is_map(env, key)) {
-#ifdef HAS_ENGINE_SUPPORT
- /* Use key stored in engine */
- ENGINE *e;
- char *id = NULL;
- char *password;
-
- if (!get_engine_and_key_id(env, key, &id, &e))
- return PKEY_BADARG;
- password = get_key_password(env, key);
- *pkey = ENGINE_load_private_key(e, id, NULL, password);
- if (password) enif_free(password);
- enif_free(id);
- if (!*pkey)
- return PKEY_BADARG;
-#else
- return PKEY_BADARG;
-#endif
- }
- else if (algorithm == atom_rsa) {
- RSA *rsa = RSA_new();
-
- if (!get_rsa_private_key(env, key, rsa)) {
- RSA_free(rsa);
- return PKEY_BADARG;
- }
-
- *pkey = EVP_PKEY_new();
- if (!EVP_PKEY_assign_RSA(*pkey, rsa)) {
- EVP_PKEY_free(*pkey);
- RSA_free(rsa);
- return PKEY_BADARG;
- }
- } else if (algorithm == atom_ecdsa) {
-#if defined(HAVE_EC)
- EC_KEY *ec = NULL;
- const ERL_NIF_TERM *tpl_terms;
- int tpl_arity;
-
- if (enif_get_tuple(env, key, &tpl_arity, &tpl_terms) && tpl_arity == 2
- && enif_is_tuple(env, tpl_terms[0]) && enif_is_binary(env, tpl_terms[1])
- && get_ec_key(env, tpl_terms[0], tpl_terms[1], atom_undefined, &ec)) {
-
- *pkey = EVP_PKEY_new();
- if (!EVP_PKEY_assign_EC_KEY(*pkey, ec)) {
- EVP_PKEY_free(*pkey);
- EC_KEY_free(ec);
- return PKEY_BADARG;
- }
- } else {
- return PKEY_BADARG;
- }
-#else
- return PKEY_NOTSUP;
-#endif
- } else if (algorithm == atom_eddsa) {
-#if defined(HAVE_EDDSA)
- if (!get_eddsa_key(env, 0, key, pkey)) {
- return PKEY_BADARG;
- }
-#else
- return PKEY_NOTSUP;
-#endif
- } else if (algorithm == atom_dss) {
- DSA *dsa = DSA_new();
-
- if (!get_dss_private_key(env, key, dsa)) {
- DSA_free(dsa);
- return PKEY_BADARG;
- }
-
- *pkey = EVP_PKEY_new();
- if (!EVP_PKEY_assign_DSA(*pkey, dsa)) {
- EVP_PKEY_free(*pkey);
- DSA_free(dsa);
- return PKEY_BADARG;
- }
- } else {
- return PKEY_BADARG;
- }
-
- return PKEY_OK;
-}
-
-
-static int get_pkey_public_key(ErlNifEnv *env, ERL_NIF_TERM algorithm, ERL_NIF_TERM key,
- EVP_PKEY **pkey)
-{
- if (enif_is_map(env, key)) {
-#ifdef HAS_ENGINE_SUPPORT
- /* Use key stored in engine */
- ENGINE *e;
- char *id = NULL;
- char *password;
-
- if (!get_engine_and_key_id(env, key, &id, &e))
- return PKEY_BADARG;
- password = get_key_password(env, key);
- *pkey = ENGINE_load_public_key(e, id, NULL, password);
- if (password) enif_free(password);
- enif_free(id);
- if (!pkey)
- return PKEY_BADARG;
-#else
- return PKEY_BADARG;
-#endif
- } else if (algorithm == atom_rsa) {
- RSA *rsa = RSA_new();
-
- if (!get_rsa_public_key(env, key, rsa)) {
- RSA_free(rsa);
- return PKEY_BADARG;
- }
-
- *pkey = EVP_PKEY_new();
- if (!EVP_PKEY_assign_RSA(*pkey, rsa)) {
- EVP_PKEY_free(*pkey);
- RSA_free(rsa);
- return PKEY_BADARG;
- }
- } else if (algorithm == atom_ecdsa) {
-#if defined(HAVE_EC)
- EC_KEY *ec = NULL;
- const ERL_NIF_TERM *tpl_terms;
- int tpl_arity;
-
- if (enif_get_tuple(env, key, &tpl_arity, &tpl_terms) && tpl_arity == 2
- && enif_is_tuple(env, tpl_terms[0]) && enif_is_binary(env, tpl_terms[1])
- && get_ec_key(env, tpl_terms[0], atom_undefined, tpl_terms[1], &ec)) {
-
- *pkey = EVP_PKEY_new();
- if (!EVP_PKEY_assign_EC_KEY(*pkey, ec)) {
- EVP_PKEY_free(*pkey);
- EC_KEY_free(ec);
- return PKEY_BADARG;
- }
- } else {
- return PKEY_BADARG;
- }
-#else
- return PKEY_NOTSUP;
-#endif
- } else if (algorithm == atom_eddsa) {
-#if defined(HAVE_EDDSA)
- if (!get_eddsa_key(env, 1, key, pkey)) {
- return PKEY_BADARG;
- }
-#else
- return PKEY_NOTSUP;
-#endif
- } else if (algorithm == atom_dss) {
- DSA *dsa = DSA_new();
-
- if (!get_dss_public_key(env, key, dsa)) {
- DSA_free(dsa);
- return PKEY_BADARG;
- }
-
- *pkey = EVP_PKEY_new();
- if (!EVP_PKEY_assign_DSA(*pkey, dsa)) {
- EVP_PKEY_free(*pkey);
- DSA_free(dsa);
- return PKEY_BADARG;
- }
- } else {
- return PKEY_BADARG;
- }
-
- return PKEY_OK;
-}
-
-static ERL_NIF_TERM pkey_sign_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
-{/* (Algorithm, Type, Data|{digest,Digest}, Key|#{}, Options) */
- int i;
- const EVP_MD *md = NULL;
- unsigned char md_value[EVP_MAX_MD_SIZE];
- EVP_PKEY *pkey;
-#ifdef HAS_EVP_PKEY_CTX
- EVP_PKEY_CTX *ctx;
- size_t siglen;
-#else
- unsigned len, siglen;
-#endif
- PKeySignOptions sig_opt;
- ErlNifBinary sig_bin; /* signature */
- unsigned char *tbs; /* data to be signed */
- size_t tbslen;
-/*char buf[1024];
-enif_get_atom(env,argv[0],buf,1024,ERL_NIF_LATIN1); printf("algo=%s ",buf);
-enif_get_atom(env,argv[1],buf,1024,ERL_NIF_LATIN1); printf("hash=%s ",buf);
-printf("\r\n");
-*/
-
-#ifndef HAS_ENGINE_SUPPORT
- if (enif_is_map(env, argv[3])) {
- return atom_notsup;
- }
-#endif
-
- i = get_pkey_sign_digest(env, argv[0], argv[1], argv[2], md_value, &md, &tbs, &tbslen);
- if (i != PKEY_OK) {
- if (i == PKEY_NOTSUP)
- return atom_notsup;
- else
- return enif_make_badarg(env);
- }
-
- i = get_pkey_sign_options(env, argv[0], argv[4], md, &sig_opt);
- if (i != PKEY_OK) {
- if (i == PKEY_NOTSUP)
- return atom_notsup;
- else
- return enif_make_badarg(env);
- }
-
- if (get_pkey_private_key(env, argv[0], argv[3], &pkey) != PKEY_OK) {
- return enif_make_badarg(env);
- }
-
-#ifdef HAS_EVP_PKEY_CTX
- ctx = EVP_PKEY_CTX_new(pkey, NULL);
- if (!ctx) goto badarg;
-
- if (argv[0] != atom_eddsa) {
- if (EVP_PKEY_sign_init(ctx) <= 0) goto badarg;
- if (md != NULL && EVP_PKEY_CTX_set_signature_md(ctx, md) <= 0) goto badarg;
- }
-
- if (argv[0] == atom_rsa) {
- if (EVP_PKEY_CTX_set_rsa_padding(ctx, sig_opt.rsa_padding) <= 0) goto badarg;
-# ifdef HAVE_RSA_PKCS1_PSS_PADDING
- if (sig_opt.rsa_padding == RSA_PKCS1_PSS_PADDING) {
- if (sig_opt.rsa_mgf1_md != NULL) {
-# ifdef HAVE_RSA_MGF1_MD
- if (EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, sig_opt.rsa_mgf1_md) <= 0) goto badarg;
-# else
- EVP_PKEY_CTX_free(ctx);
- EVP_PKEY_free(pkey);
- return atom_notsup;
-# endif
- }
- if (sig_opt.rsa_pss_saltlen > -2
- && EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, sig_opt.rsa_pss_saltlen) <= 0)
- goto badarg;
- }
-#endif
- }
-
- if (argv[0] == atom_eddsa) {
-#ifdef HAVE_EDDSA
- EVP_MD_CTX* mdctx = EVP_MD_CTX_new();
- if (!EVP_DigestSignInit(mdctx, NULL, NULL, NULL, pkey)) {
- if (mdctx) EVP_MD_CTX_free(mdctx);
- goto badarg;
- }
-
- if (!EVP_DigestSign(mdctx, NULL, &siglen, tbs, tbslen)) {
- EVP_MD_CTX_free(mdctx);
- goto badarg;
- }
- enif_alloc_binary(siglen, &sig_bin);
-
- if (!EVP_DigestSign(mdctx, sig_bin.data, &siglen, tbs, tbslen)) {
- EVP_MD_CTX_free(mdctx);
- goto badarg;
- }
- EVP_MD_CTX_free(mdctx);
-#else
- goto badarg;
-#endif
- }
- else
- {
- if (EVP_PKEY_sign(ctx, NULL, &siglen, tbs, tbslen) <= 0) goto badarg;
- enif_alloc_binary(siglen, &sig_bin);
-
- if (md != NULL) {
- ERL_VALGRIND_ASSERT_MEM_DEFINED(tbs, EVP_MD_size(md));
- }
- i = EVP_PKEY_sign(ctx, sig_bin.data, &siglen, tbs, tbslen);
- }
-
- EVP_PKEY_CTX_free(ctx);
-#else
-/*printf("Old interface\r\n");
- */
- if (argv[0] == atom_rsa) {
- RSA *rsa = EVP_PKEY_get1_RSA(pkey);
- enif_alloc_binary(RSA_size(rsa), &sig_bin);
- len = EVP_MD_size(md);
- ERL_VALGRIND_ASSERT_MEM_DEFINED(tbs, len);
- i = RSA_sign(md->type, tbs, len, sig_bin.data, &siglen, rsa);
- RSA_free(rsa);
- } else if (argv[0] == atom_dss) {
- DSA *dsa = EVP_PKEY_get1_DSA(pkey);
- enif_alloc_binary(DSA_size(dsa), &sig_bin);
- len = EVP_MD_size(md);
- ERL_VALGRIND_ASSERT_MEM_DEFINED(tbs, len);
- i = DSA_sign(md->type, tbs, len, sig_bin.data, &siglen, dsa);
- DSA_free(dsa);
- } else if (argv[0] == atom_ecdsa) {
-#if defined(HAVE_EC)
- EC_KEY *ec = EVP_PKEY_get1_EC_KEY(pkey);
- enif_alloc_binary(ECDSA_size(ec), &sig_bin);
- len = EVP_MD_size(md);
- ERL_VALGRIND_ASSERT_MEM_DEFINED(tbs, len);
- i = ECDSA_sign(md->type, tbs, len, sig_bin.data, &siglen, ec);
- EC_KEY_free(ec);
-#else
- EVP_PKEY_free(pkey);
- return atom_notsup;
-#endif
- } else {
- goto badarg;
- }
-#endif
-
- EVP_PKEY_free(pkey);
- if (i == 1) {
- ERL_VALGRIND_MAKE_MEM_DEFINED(sig_bin.data, siglen);
- if (siglen != sig_bin.size) {
- enif_realloc_binary(&sig_bin, siglen);
- ERL_VALGRIND_ASSERT_MEM_DEFINED(sig_bin.data, siglen);
- }
- return enif_make_binary(env, &sig_bin);
- } else {
- enif_release_binary(&sig_bin);
- return atom_error;
- }
-
- badarg:
-#ifdef HAS_EVP_PKEY_CTX
- EVP_PKEY_CTX_free(ctx);
-#endif
- EVP_PKEY_free(pkey);
- return enif_make_badarg(env);
-}
-
-
-static ERL_NIF_TERM pkey_verify_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
-{/* (Algorithm, Type, Data|{digest,Digest}, Signature, Key, Options) */
- int i;
- const EVP_MD *md = NULL;
- unsigned char md_value[EVP_MAX_MD_SIZE];
- EVP_PKEY *pkey;
-#ifdef HAS_EVP_PKEY_CTX
- EVP_PKEY_CTX *ctx;
-#else
-#endif
- PKeySignOptions sig_opt;
- ErlNifBinary sig_bin; /* signature */
- unsigned char *tbs; /* data to be signed */
- size_t tbslen;
-
-#ifndef HAS_ENGINE_SUPPORT
- if (enif_is_map(env, argv[4])) {
- return atom_notsup;
- }
-#endif
-
- if (!enif_inspect_binary(env, argv[3], &sig_bin)) {
- return enif_make_badarg(env);
- }
-
- i = get_pkey_sign_digest(env, argv[0], argv[1], argv[2], md_value, &md, &tbs, &tbslen);
- if (i != PKEY_OK) {
- if (i == PKEY_NOTSUP)
- return atom_notsup;
- else
- return enif_make_badarg(env);
- }
-
- i = get_pkey_sign_options(env, argv[0], argv[5], md, &sig_opt);
- if (i != PKEY_OK) {
- if (i == PKEY_NOTSUP)
- return atom_notsup;
- else
- return enif_make_badarg(env);
- }
-
- if (get_pkey_public_key(env, argv[0], argv[4], &pkey) != PKEY_OK) {
- return enif_make_badarg(env);
- }
-
-#ifdef HAS_EVP_PKEY_CTX
-/* printf("EVP interface\r\n");
- */
- ctx = EVP_PKEY_CTX_new(pkey, NULL);
- if (!ctx) goto badarg;
-
- if (argv[0] != atom_eddsa) {
- if (EVP_PKEY_verify_init(ctx) <= 0) goto badarg;
- if (md != NULL && EVP_PKEY_CTX_set_signature_md(ctx, md) <= 0) goto badarg;
- }
-
- if (argv[0] == atom_rsa) {
- if (EVP_PKEY_CTX_set_rsa_padding(ctx, sig_opt.rsa_padding) <= 0) goto badarg;
- if (sig_opt.rsa_padding == RSA_PKCS1_PSS_PADDING) {
- if (sig_opt.rsa_mgf1_md != NULL) {
-# ifdef HAVE_RSA_MGF1_MD
- if (EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, sig_opt.rsa_mgf1_md) <= 0) goto badarg;
-# else
- EVP_PKEY_CTX_free(ctx);
- EVP_PKEY_free(pkey);
- return atom_notsup;
-# endif
- }
- if (sig_opt.rsa_pss_saltlen > -2
- && EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, sig_opt.rsa_pss_saltlen) <= 0)
- goto badarg;
- }
- }
-
- if (argv[0] == atom_eddsa) {
-#ifdef HAVE_EDDSA
- EVP_MD_CTX* mdctx = EVP_MD_CTX_create();
-
- if (!EVP_DigestVerifyInit(mdctx, NULL, NULL, NULL, pkey)) {
- if (mdctx) EVP_MD_CTX_destroy(mdctx);
- goto badarg;
- }
-
- i = EVP_DigestVerify(mdctx, sig_bin.data, sig_bin.size, tbs, tbslen);
- EVP_MD_CTX_destroy(mdctx);
-#else
- goto badarg;
-#endif
- }
- else
- {
- if (md != NULL) {
- ERL_VALGRIND_ASSERT_MEM_DEFINED(tbs, EVP_MD_size(md));
- }
- i = EVP_PKEY_verify(ctx, sig_bin.data, sig_bin.size, tbs, tbslen);
- }
-
- EVP_PKEY_CTX_free(ctx);
-#else
-/*printf("Old interface\r\n");
-*/
- if (argv[0] == atom_rsa) {
- RSA *rsa = EVP_PKEY_get1_RSA(pkey);
- i = RSA_verify(md->type, tbs, tbslen, sig_bin.data, sig_bin.size, rsa);
- RSA_free(rsa);
- } else if (argv[0] == atom_dss) {
- DSA *dsa = EVP_PKEY_get1_DSA(pkey);
- i = DSA_verify(0, tbs, tbslen, sig_bin.data, sig_bin.size, dsa);
- DSA_free(dsa);
- } else if (argv[0] == atom_ecdsa) {
-#if defined(HAVE_EC)
- EC_KEY *ec = EVP_PKEY_get1_EC_KEY(pkey);
- i = ECDSA_verify(EVP_MD_type(md), tbs, tbslen, sig_bin.data, sig_bin.size, ec);
- EC_KEY_free(ec);
-#else
- EVP_PKEY_free(pkey);
- return atom_notsup;
-#endif
- } else {
- goto badarg;
- }
-#endif
-
- EVP_PKEY_free(pkey);
- if (i == 1) {
- return atom_true;
- } else {
- return atom_false;
- }
-
- badarg:
-#ifdef HAS_EVP_PKEY_CTX
- EVP_PKEY_CTX_free(ctx);
-#endif
- EVP_PKEY_free(pkey);
- return enif_make_badarg(env);
-}
-
-
-/*--------------------------------*/
-
-static int get_pkey_crypt_options(ErlNifEnv *env, ERL_NIF_TERM algorithm, ERL_NIF_TERM options,
- PKeyCryptOptions *opt)
-{
- ERL_NIF_TERM head, tail;
- const ERL_NIF_TERM *tpl_terms;
- int tpl_arity;
- const EVP_MD *opt_md;
- int i;
-
- if (!enif_is_list(env, options)) {
- return PKEY_BADARG;
- }
-
- /* defaults */
- if (algorithm == atom_rsa) {
- opt->rsa_mgf1_md = NULL;
- opt->rsa_oaep_label.data = NULL;
- opt->rsa_oaep_label.size = 0;
- opt->rsa_oaep_md = NULL;
- opt->rsa_padding = RSA_PKCS1_PADDING;
- opt->signature_md = NULL;
- }
-
- if (enif_is_empty_list(env, options)) {
- return PKEY_OK;
- }
-
- if (algorithm == atom_rsa) {
- tail = options;
- while (enif_get_list_cell(env, tail, &head, &tail)) {
- if (enif_get_tuple(env, head, &tpl_arity, &tpl_terms) && tpl_arity == 2) {
- if (tpl_terms[0] == atom_rsa_padding
- || tpl_terms[0] == atom_rsa_pad /* Compatibility */
- ) {
- if (tpl_terms[1] == atom_rsa_pkcs1_padding) {
- opt->rsa_padding = RSA_PKCS1_PADDING;
-#ifdef HAVE_RSA_OAEP_PADDING
- } else if (tpl_terms[1] == atom_rsa_pkcs1_oaep_padding) {
- opt->rsa_padding = RSA_PKCS1_OAEP_PADDING;
-#endif
-#ifdef HAVE_RSA_SSLV23_PADDING
- } else if (tpl_terms[1] == atom_rsa_sslv23_padding) {
- opt->rsa_padding = RSA_SSLV23_PADDING;
-#endif
- } else if (tpl_terms[1] == atom_rsa_x931_padding) {
- opt->rsa_padding = RSA_X931_PADDING;
- } else if (tpl_terms[1] == atom_rsa_no_padding) {
- opt->rsa_padding = RSA_NO_PADDING;
- } else {
- return PKEY_BADARG;
- }
- } else if (tpl_terms[0] == atom_signature_md && enif_is_atom(env, tpl_terms[1])) {
- i = get_pkey_digest_type(env, algorithm, tpl_terms[1], &opt_md);
- if (i != PKEY_OK) {
- return i;
- }
- opt->signature_md = opt_md;
- } else if (tpl_terms[0] == atom_rsa_mgf1_md && enif_is_atom(env, tpl_terms[1])) {
-#ifndef HAVE_RSA_MGF1_MD
- if (tpl_terms[1] != atom_sha)
- return PKEY_NOTSUP;
-#endif
- i = get_pkey_digest_type(env, algorithm, tpl_terms[1], &opt_md);
- if (i != PKEY_OK) {
- return i;
- }
- opt->rsa_mgf1_md = opt_md;
- } else if (tpl_terms[0] == atom_rsa_oaep_label
- && enif_inspect_binary(env, tpl_terms[1], &(opt->rsa_oaep_label))) {
-#ifdef HAVE_RSA_OAEP_MD
- continue;
-#else
- return PKEY_NOTSUP;
-#endif
- } else if (tpl_terms[0] == atom_rsa_oaep_md && enif_is_atom(env, tpl_terms[1])) {
-#ifndef HAVE_RSA_OAEP_MD
- if (tpl_terms[1] != atom_sha)
- return PKEY_NOTSUP;
-#endif
- i = get_pkey_digest_type(env, algorithm, tpl_terms[1], &opt_md);
- if (i != PKEY_OK) {
- return i;
- }
- opt->rsa_oaep_md = opt_md;
- } else {
- return PKEY_BADARG;
- }
- } else {
- return PKEY_BADARG;
- }
- }
- } else {
- return PKEY_BADARG;
- }
-
- return PKEY_OK;
-}
-
-static size_t size_of_RSA(EVP_PKEY *pkey) {
- size_t tmplen;
- RSA *rsa = EVP_PKEY_get1_RSA(pkey);
- if (rsa == NULL) return 0;
- tmplen = RSA_size(rsa);
- RSA_free(rsa);
- return tmplen;
-}
-
-static ERL_NIF_TERM pkey_crypt_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
-{/* (Algorithm, Data, PublKey=[E,N]|[E,N,D]|[E,N,D,P1,P2,E1,E2,C], Options, IsPrivate, IsEncrypt) */
- int i;
- EVP_PKEY *pkey;
-#ifdef HAS_EVP_PKEY_CTX
- EVP_PKEY_CTX *ctx;
-#else
- RSA *rsa;
-#endif
- PKeyCryptOptions crypt_opt;
- ErlNifBinary in_bin, out_bin, tmp_bin;
- size_t outlen;
-#ifdef HAVE_RSA_SSLV23_PADDING
- size_t tmplen;
-#endif
- int is_private = (argv[4] == atom_true),
- is_encrypt = (argv[5] == atom_true);
- int algo_init = 0;
-
-/* char algo[1024]; */
-
-#ifndef HAS_ENGINE_SUPPORT
- if (enif_is_map(env, argv[2])) {
- return atom_notsup;
- }
-#endif
-
- if (!enif_inspect_binary(env, argv[1], &in_bin)) {
- return enif_make_badarg(env);
- }
-
- i = get_pkey_crypt_options(env, argv[0], argv[3], &crypt_opt);
- if (i != PKEY_OK) {
- if (i == PKEY_NOTSUP)
- return atom_notsup;
- else
- return enif_make_badarg(env);
- }
-
- if (is_private) {
- if (get_pkey_private_key(env, argv[0], argv[2], &pkey) != PKEY_OK) {
- return enif_make_badarg(env);
- }
- } else {
- if (get_pkey_public_key(env, argv[0], argv[2], &pkey) != PKEY_OK) {
- return enif_make_badarg(env);
- }
- }
-
- out_bin.data = NULL;
- out_bin.size = 0;
- tmp_bin.data = NULL;
- tmp_bin.size = 0;
-
-#ifdef HAS_EVP_PKEY_CTX
- ctx = EVP_PKEY_CTX_new(pkey, NULL);
- if (!ctx) goto badarg;
-
-/* enif_get_atom(env,argv[0],algo,1024,ERL_NIF_LATIN1); */
-
- if (is_private) {
- if (is_encrypt) {
- /* private encrypt */
- if ((algo_init=EVP_PKEY_sign_init(ctx)) <= 0) {
- /* fprintf(stderr,"BADARG %s private encrypt algo_init=%d %s:%d\r\n", algo, algo_init, __FILE__, __LINE__); */
- goto badarg;
- }
- } else {
- /* private decrypt */
- if ((algo_init=EVP_PKEY_decrypt_init(ctx)) <= 0) {
- /* fprintf(stderr,"BADARG %s private decrypt algo_init=%d %s:%d\r\n", algo, algo_init, __FILE__, __LINE__); */
- goto badarg;
- }
- }
- } else {
- if (is_encrypt) {
- /* public encrypt */
- if ((algo_init=EVP_PKEY_encrypt_init(ctx)) <= 0) {
- /* fprintf(stderr,"BADARG %s public encrypt algo_init=%d %s:%d\r\n", algo,algo_init,__FILE__, __LINE__); */
- goto badarg;
- }
- } else {
- /* public decrypt */
- if ((algo_init=EVP_PKEY_verify_recover_init(ctx)) <= 0) {
- /* fprintf(stderr,"BADARG %s public decrypt algo_init=%d %s:%d\r\n", algo,algo_init,__FILE__, __LINE__); */
- goto badarg;
- }
- }
- }
-
- if (argv[0] == atom_rsa) {
- if (crypt_opt.signature_md != NULL
- && EVP_PKEY_CTX_set_signature_md(ctx, crypt_opt.signature_md) <= 0)
- goto badarg;
-#ifdef HAVE_RSA_SSLV23_PADDING
- if (crypt_opt.rsa_padding == RSA_SSLV23_PADDING) {
- if (is_encrypt) {
- tmplen = size_of_RSA(pkey);
- if (tmplen == 0) goto badarg;
- if (!enif_alloc_binary(tmplen, &tmp_bin)) goto badarg;
- if (RSA_padding_add_SSLv23(tmp_bin.data, tmplen, in_bin.data, in_bin.size) <= 0)
- goto badarg;
- in_bin = tmp_bin;
- }
- if (EVP_PKEY_CTX_set_rsa_padding(ctx, RSA_NO_PADDING) <= 0) goto badarg;
- } else
-#endif
- {
- if (EVP_PKEY_CTX_set_rsa_padding(ctx, crypt_opt.rsa_padding) <= 0) goto badarg;
- }
-#ifdef HAVE_RSA_OAEP_MD
- if (crypt_opt.rsa_padding == RSA_PKCS1_OAEP_PADDING) {
- if (crypt_opt.rsa_oaep_md != NULL
- && EVP_PKEY_CTX_set_rsa_oaep_md(ctx, crypt_opt.rsa_oaep_md) <= 0)
- goto badarg;
- if (crypt_opt.rsa_mgf1_md != NULL
- && EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, crypt_opt.rsa_mgf1_md) <= 0) goto badarg;
- if (crypt_opt.rsa_oaep_label.data != NULL && crypt_opt.rsa_oaep_label.size > 0) {
- unsigned char *label_copy = NULL;
- label_copy = OPENSSL_malloc(crypt_opt.rsa_oaep_label.size);
- if (label_copy == NULL) goto badarg;
- memcpy((void *)(label_copy), (const void *)(crypt_opt.rsa_oaep_label.data),
- crypt_opt.rsa_oaep_label.size);
- if (EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, label_copy,
- crypt_opt.rsa_oaep_label.size) <= 0) {
- OPENSSL_free(label_copy);
- label_copy = NULL;
- goto badarg;
- }
- }
- }
-#endif
- }
-
- if (is_private) {
- if (is_encrypt) {
- /* private_encrypt */
- i = EVP_PKEY_sign(ctx, NULL, &outlen, in_bin.data, in_bin.size);
- } else {
- /* private_decrypt */
- i = EVP_PKEY_decrypt(ctx, NULL, &outlen, in_bin.data, in_bin.size);
- }
- } else {
- if (is_encrypt) {
- /* public_encrypt */
- i = EVP_PKEY_encrypt(ctx, NULL, &outlen, in_bin.data, in_bin.size);
- } else {
- /* public_decrypt */
- i = EVP_PKEY_verify_recover(ctx, NULL, &outlen, in_bin.data, in_bin.size);
- }
- }
- /* fprintf(stderr,"i = %d %s:%d\r\n", i, __FILE__, __LINE__); */
-
- if (i != 1) goto badarg;
-
- enif_alloc_binary(outlen, &out_bin);
-
- if (is_private) {
- if (is_encrypt) {
- /* private_encrypt */
- i = EVP_PKEY_sign(ctx, out_bin.data, &outlen, in_bin.data, in_bin.size);
- } else {
- /* private_decrypt */
- i = EVP_PKEY_decrypt(ctx, out_bin.data, &outlen, in_bin.data, in_bin.size);
- }
- } else {
- if (is_encrypt) {
- /* public_encrypt */
- i = EVP_PKEY_encrypt(ctx, out_bin.data, &outlen, in_bin.data, in_bin.size);
- } else {
- /* public_decrypt */
- i = EVP_PKEY_verify_recover(ctx, out_bin.data, &outlen, in_bin.data, in_bin.size);
- }
- }
-
-#else
- /* Non-EVP cryptolib. Only support RSA */
-
- if (argv[0] != atom_rsa) {
- algo_init = -2; /* exitcode: notsup */
- goto badarg;
- }
- rsa = EVP_PKEY_get1_RSA(pkey);
- enif_alloc_binary(RSA_size(rsa), &out_bin);
-
- if (is_private) {
- if (is_encrypt) {
- /* non-evp rsa private encrypt */
- ERL_VALGRIND_ASSERT_MEM_DEFINED(in_bin.data,in_bin.size);
- i = RSA_private_encrypt(in_bin.size, in_bin.data,
- out_bin.data, rsa, crypt_opt.rsa_padding);
- if (i > 0) {
- ERL_VALGRIND_MAKE_MEM_DEFINED(out_bin.data, i);
- }
- } else {
- /* non-evp rsa private decrypt */
- i = RSA_private_decrypt(in_bin.size, in_bin.data,
- out_bin.data, rsa, crypt_opt.rsa_padding);
- if (i > 0) {
- ERL_VALGRIND_MAKE_MEM_DEFINED(out_bin.data, i);
- enif_realloc_binary(&out_bin, i);
- }
- }
- } else {
- if (is_encrypt) {
- /* non-evp rsa public encrypt */
- ERL_VALGRIND_ASSERT_MEM_DEFINED(in_bin.data,in_bin.size);
- i = RSA_public_encrypt(in_bin.size, in_bin.data,
- out_bin.data, rsa, crypt_opt.rsa_padding);
- if (i > 0) {
- ERL_VALGRIND_MAKE_MEM_DEFINED(out_bin.data, i);
- }
- } else {
- /* non-evp rsa public decrypt */
- i = RSA_public_decrypt(in_bin.size, in_bin.data,
- out_bin.data, rsa, crypt_opt.rsa_padding);
- if (i > 0) {
- ERL_VALGRIND_MAKE_MEM_DEFINED(out_bin.data, i);
- enif_realloc_binary(&out_bin, i);
- }
- }
- }
-
- outlen = i;
- RSA_free(rsa);
-#endif
-
- if ((i > 0) && argv[0] == atom_rsa && !is_encrypt) {
-#ifdef HAVE_RSA_SSLV23_PADDING
- if (crypt_opt.rsa_padding == RSA_SSLV23_PADDING) {
- unsigned char *p;
- tmplen = size_of_RSA(pkey);
- if (tmplen == 0) goto badarg;
- if (!enif_alloc_binary(tmplen, &tmp_bin))
- goto badarg;
- p = out_bin.data;
- p++;
- i = RSA_padding_check_SSLv23(tmp_bin.data, tmplen, p, out_bin.size - 1, tmplen);
- if (i >= 0) {
- outlen = i;
- in_bin = out_bin;
- out_bin = tmp_bin;
- tmp_bin = in_bin;
- i = 1;
- }
- }
-#endif
- }
-
- if (tmp_bin.data != NULL) {
- enif_release_binary(&tmp_bin);
- }
-
-#ifdef HAS_EVP_PKEY_CTX
- EVP_PKEY_CTX_free(ctx);
-#else
-#endif
- EVP_PKEY_free(pkey);
- if (i > 0) {
- ERL_VALGRIND_MAKE_MEM_DEFINED(out_bin.data, outlen);
- if (outlen != out_bin.size) {
- enif_realloc_binary(&out_bin, outlen);
- ERL_VALGRIND_ASSERT_MEM_DEFINED(out_bin.data, outlen);
- }
- return enif_make_binary(env, &out_bin);
- } else {
- enif_release_binary(&out_bin);
- return atom_error;
- }
-
- badarg:
- if (out_bin.data != NULL) {
- enif_release_binary(&out_bin);
- }
- if (tmp_bin.data != NULL) {
- enif_release_binary(&tmp_bin);
- }
-#ifdef HAS_EVP_PKEY_CTX
- EVP_PKEY_CTX_free(ctx);
-#else
-#endif
- EVP_PKEY_free(pkey);
- if (algo_init == -2)
- return atom_notsup;
- else
- return enif_make_badarg(env);
-}
-
-
-
-/*--------------------------------*/
-static ERL_NIF_TERM privkey_to_pubkey_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{ /* (Algorithm, PrivKey | KeyMap) */
- EVP_PKEY *pkey;
- ERL_NIF_TERM alg = argv[0];
- ERL_NIF_TERM result[8];
- if (get_pkey_private_key(env, alg, argv[1], &pkey) != PKEY_OK) {
- return enif_make_badarg(env);
- }
-
- if (alg == atom_rsa) {
- const BIGNUM *n = NULL, *e = NULL, *d = NULL;
- RSA *rsa = EVP_PKEY_get1_RSA(pkey);
- if (rsa) {
- RSA_get0_key(rsa, &n, &e, &d);
- result[0] = bin_from_bn(env, e); // Exponent E
- result[1] = bin_from_bn(env, n); // Modulus N = p*q
- RSA_free(rsa);
- EVP_PKEY_free(pkey);
- return enif_make_list_from_array(env, result, 2);
- }
-
- } else if (argv[0] == atom_dss) {
- const BIGNUM *p = NULL, *q = NULL, *g = NULL, *pub_key = NULL;
- DSA *dsa = EVP_PKEY_get1_DSA(pkey);
- if (dsa) {
- DSA_get0_pqg(dsa, &p, &q, &g);
- DSA_get0_key(dsa, &pub_key, NULL);
- result[0] = bin_from_bn(env, p);
- result[1] = bin_from_bn(env, q);
- result[2] = bin_from_bn(env, g);
- result[3] = bin_from_bn(env, pub_key);
- DSA_free(dsa);
- EVP_PKEY_free(pkey);
- return enif_make_list_from_array(env, result, 4);
- }
-
- } else if (argv[0] == atom_ecdsa) {
-#if defined(HAVE_EC)
- /* not yet implemented
- EC_KEY *ec = EVP_PKEY_get1_EC_KEY(pkey);
- if (ec) {
- / * Example of result:
- {
- Curve = {Field, Prime, Point, Order, CoFactor} =
- {
- Field = {prime_field,<<255,...,255>>},
- Prime = {<<255,...,252>>,
- <<90,...,75>>,
- <<196,...,144>>
- },
- Point = <<4,...,245>>,
- Order = <<255,...,81>>,
- CoFactor = <<1>>
- },
- Key = <<151,...,62>>
- }
- or
- {
- Curve =
- {characteristic_two_field,
- M,
- Basis = {tpbasis, _}
- | {ppbasis, k1, k2, k3}
- },
- Key
- }
- * /
- EVP_PKEY_free(pkey);
- return enif_make_list_from_array(env, ..., ...);
- */
-#endif
- }
-
- if (pkey) EVP_PKEY_free(pkey);
- return enif_make_badarg(env);
-}
-
-/*================================================================*/
-
-static ERL_NIF_TERM rand_seed_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{
- ErlNifBinary seed_bin;
-
- if (!enif_inspect_binary(env, argv[0], &seed_bin))
- return enif_make_badarg(env);
- RAND_seed(seed_bin.data,seed_bin.size);
- return atom_ok;
-}
-
-/*================================================================*/
-/* Engine */
-/*================================================================*/
-static ERL_NIF_TERM engine_by_id_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (EngineId) */
-#ifdef HAS_ENGINE_SUPPORT
- ERL_NIF_TERM ret;
- ErlNifBinary engine_id_bin;
- char *engine_id;
- ENGINE *engine;
- struct engine_ctx *ctx;
-
- // Get Engine Id
- if(!enif_inspect_binary(env, argv[0], &engine_id_bin)) {
- PRINTF_ERR0("engine_by_id_nif Leaved: badarg");
- return enif_make_badarg(env);
- } else {
- engine_id = enif_alloc(engine_id_bin.size+1);
- (void) memcpy(engine_id, engine_id_bin.data, engine_id_bin.size);
- engine_id[engine_id_bin.size] = '\0';
- }
-
- engine = ENGINE_by_id(engine_id);
- if(!engine) {
- enif_free(engine_id);
- PRINTF_ERR0("engine_by_id_nif Leaved: {error, bad_engine_id}");
- return enif_make_tuple2(env, atom_error, atom_bad_engine_id);
- }
-
- ctx = enif_alloc_resource(engine_ctx_rtype, sizeof(struct engine_ctx));
- ctx->engine = engine;
- ctx->id = engine_id;
-
- ret = enif_make_resource(env, ctx);
- enif_release_resource(ctx);
-
- return enif_make_tuple2(env, atom_ok, ret);
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM engine_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Engine) */
-#ifdef HAS_ENGINE_SUPPORT
- ERL_NIF_TERM ret = atom_ok;
- struct engine_ctx *ctx;
-
- // Get Engine
- if (!enif_get_resource(env, argv[0], engine_ctx_rtype, (void**)&ctx)) {
- PRINTF_ERR0("engine_init_nif Leaved: Parameter not an engine resource object");
- return enif_make_badarg(env);
- }
- if (!ENGINE_init(ctx->engine)) {
- //ERR_print_errors_fp(stderr);
- PRINTF_ERR0("engine_init_nif Leaved: {error, engine_init_failed}");
- return enif_make_tuple2(env, atom_error, atom_engine_init_failed);
- }
-
- return ret;
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM engine_free_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Engine) */
-#ifdef HAS_ENGINE_SUPPORT
- struct engine_ctx *ctx;
-
- // Get Engine
- if (!enif_get_resource(env, argv[0], engine_ctx_rtype, (void**)&ctx)) {
- PRINTF_ERR0("engine_free_nif Leaved: Parameter not an engine resource object");
- return enif_make_badarg(env);
- }
-
- ENGINE_free(ctx->engine);
- return atom_ok;
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM engine_finish_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Engine) */
-#ifdef HAS_ENGINE_SUPPORT
- struct engine_ctx *ctx;
-
- // Get Engine
- if (!enif_get_resource(env, argv[0], engine_ctx_rtype, (void**)&ctx)) {
- PRINTF_ERR0("engine_finish_nif Leaved: Parameter not an engine resource object");
- return enif_make_badarg(env);
- }
-
- ENGINE_finish(ctx->engine);
- return atom_ok;
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM engine_load_dynamic_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* () */
-#ifdef HAS_ENGINE_SUPPORT
- ENGINE_load_dynamic();
- return atom_ok;
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM engine_ctrl_cmd_strings_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Engine, Commands) */
-#ifdef HAS_ENGINE_SUPPORT
- ERL_NIF_TERM ret = atom_ok;
- unsigned int cmds_len = 0;
- char **cmds = NULL;
- struct engine_ctx *ctx;
- int i, optional = 0;
-
- // Get Engine
- if (!enif_get_resource(env, argv[0], engine_ctx_rtype, (void**)&ctx)) {
- PRINTF_ERR0("engine_ctrl_cmd_strings_nif Leaved: Parameter not an engine resource object");
- return enif_make_badarg(env);
- }
-
- PRINTF_ERR1("Engine Id: %s\r\n", ENGINE_get_id(ctx->engine));
-
- // Get Command List
- if(!enif_get_list_length(env, argv[1], &cmds_len)) {
- PRINTF_ERR0("engine_ctrl_cmd_strings_nif Leaved: Bad Command List");
- return enif_make_badarg(env);
- } else {
- cmds_len *= 2; // Key-Value list from erlang
- cmds = enif_alloc((cmds_len+1)*sizeof(char*));
- if(get_engine_load_cmd_list(env, argv[1], cmds, 0)) {
- PRINTF_ERR0("engine_ctrl_cmd_strings_nif Leaved: Couldn't read Command List");
- ret = enif_make_badarg(env);
- goto error;
- }
- }
-
- if(!enif_get_int(env, argv[2], &optional)) {
- PRINTF_ERR0("engine_ctrl_cmd_strings_nif Leaved: Parameter optional not an integer");
- return enif_make_badarg(env);
- }
-
- for(i = 0; i < cmds_len; i+=2) {
- PRINTF_ERR2("Cmd: %s:%s\r\n",
- cmds[i] ? cmds[i] : "(NULL)",
- cmds[i+1] ? cmds[i+1] : "(NULL)");
- if(!ENGINE_ctrl_cmd_string(ctx->engine, cmds[i], cmds[i+1], optional)) {
- PRINTF_ERR2("Command failed: %s:%s\r\n",
- cmds[i] ? cmds[i] : "(NULL)",
- cmds[i+1] ? cmds[i+1] : "(NULL)");
- //ENGINE_free(ctx->engine);
- ret = enif_make_tuple2(env, atom_error, atom_ctrl_cmd_failed);
- PRINTF_ERR0("engine_ctrl_cmd_strings_nif Leaved: {error, ctrl_cmd_failed}");
- goto error;
- }
- }
-
- error:
- for(i = 0; cmds != NULL && cmds[i] != NULL; i++)
- enif_free(cmds[i]);
- enif_free(cmds);
- return ret;
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM engine_add_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Engine) */
-#ifdef HAS_ENGINE_SUPPORT
- struct engine_ctx *ctx;
-
- // Get Engine
- if (!enif_get_resource(env, argv[0], engine_ctx_rtype, (void**)&ctx)) {
- PRINTF_ERR0("engine_add_nif Leaved: Parameter not an engine resource object");
- return enif_make_badarg(env);
- }
-
- if (!ENGINE_add(ctx->engine)) {
- PRINTF_ERR0("engine_add_nif Leaved: {error, add_engine_failed}");
- return enif_make_tuple2(env, atom_error, atom_add_engine_failed);
- }
- return atom_ok;
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM engine_remove_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Engine) */
-#ifdef HAS_ENGINE_SUPPORT
- struct engine_ctx *ctx;
-
- // Get Engine
- if (!enif_get_resource(env, argv[0], engine_ctx_rtype, (void**)&ctx)) {
- PRINTF_ERR0("engine_remove_nif Leaved: Parameter not an engine resource object");
- return enif_make_badarg(env);
- }
-
- if (!ENGINE_remove(ctx->engine)) {
- PRINTF_ERR0("engine_remove_nif Leaved: {error, remove_engine_failed}");
- return enif_make_tuple2(env, atom_error, atom_remove_engine_failed);
- }
- return atom_ok;
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM engine_register_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Engine, EngineMethod) */
-#ifdef HAS_ENGINE_SUPPORT
- struct engine_ctx *ctx;
- unsigned int method;
-
- // Get Engine
- if (!enif_get_resource(env, argv[0], engine_ctx_rtype, (void**)&ctx)) {
- PRINTF_ERR0("engine_register_nif Leaved: Parameter not an engine resource object");
- return enif_make_badarg(env);
- }
- // Get Method
- if (!enif_get_uint(env, argv[1], &method)) {
- PRINTF_ERR0("engine_register_nif Leaved: Parameter Method not an uint");
- return enif_make_badarg(env);
- }
-
- switch(method)
- {
-#ifdef ENGINE_METHOD_RSA
- case ENGINE_METHOD_RSA:
- if (!ENGINE_register_RSA(ctx->engine))
- return enif_make_tuple2(env, atom_error, atom_register_engine_failed);
- break;
-#endif
-#ifdef ENGINE_METHOD_DSA
- case ENGINE_METHOD_DSA:
- if (!ENGINE_register_DSA(ctx->engine))
- return enif_make_tuple2(env, atom_error, atom_register_engine_failed);
- break;
-#endif
-#ifdef ENGINE_METHOD_DH
- case ENGINE_METHOD_DH:
- if (!ENGINE_register_DH(ctx->engine))
- return enif_make_tuple2(env, atom_error, atom_register_engine_failed);
- break;
-#endif
-#ifdef ENGINE_METHOD_RAND
- case ENGINE_METHOD_RAND:
- if (!ENGINE_register_RAND(ctx->engine))
- return enif_make_tuple2(env, atom_error, atom_register_engine_failed);
- break;
-#endif
-#ifdef ENGINE_METHOD_ECDH
- case ENGINE_METHOD_ECDH:
- if (!ENGINE_register_ECDH(ctx->engine))
- return enif_make_tuple2(env, atom_error, atom_register_engine_failed);
- break;
-#endif
-#ifdef ENGINE_METHOD_ECDSA
- case ENGINE_METHOD_ECDSA:
- if (!ENGINE_register_ECDSA(ctx->engine))
- return enif_make_tuple2(env, atom_error, atom_register_engine_failed);
- break;
-#endif
-#ifdef ENGINE_METHOD_STORE
- case ENGINE_METHOD_STORE:
- if (!ENGINE_register_STORE(ctx->engine))
- return enif_make_tuple2(env, atom_error, atom_register_engine_failed);
- break;
-#endif
-#ifdef ENGINE_METHOD_CIPHERS
- case ENGINE_METHOD_CIPHERS:
- if (!ENGINE_register_ciphers(ctx->engine))
- return enif_make_tuple2(env, atom_error, atom_register_engine_failed);
- break;
-#endif
-#ifdef ENGINE_METHOD_DIGESTS
- case ENGINE_METHOD_DIGESTS:
- if (!ENGINE_register_digests(ctx->engine))
- return enif_make_tuple2(env, atom_error, atom_register_engine_failed);
- break;
-#endif
-#ifdef ENGINE_METHOD_PKEY_METHS
- case ENGINE_METHOD_PKEY_METHS:
- if (!ENGINE_register_pkey_meths(ctx->engine))
- return enif_make_tuple2(env, atom_error, atom_register_engine_failed);
- break;
-#endif
-#ifdef ENGINE_METHOD_PKEY_ASN1_METHS
- case ENGINE_METHOD_PKEY_ASN1_METHS:
- if (!ENGINE_register_pkey_asn1_meths(ctx->engine))
- return enif_make_tuple2(env, atom_error, atom_register_engine_failed);
- break;
-#endif
-#ifdef ENGINE_METHOD_EC
- case ENGINE_METHOD_EC:
- if (!ENGINE_register_EC(ctx->engine))
- return enif_make_tuple2(env, atom_error, atom_register_engine_failed);
- break;
-#endif
- default:
- return enif_make_tuple2(env, atom_error, atom_engine_method_not_supported);
- break;
- }
- return atom_ok;
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM engine_unregister_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Engine, EngineMethod) */
-#ifdef HAS_ENGINE_SUPPORT
- struct engine_ctx *ctx;
- unsigned int method;
-
- // Get Engine
- if (!enif_get_resource(env, argv[0], engine_ctx_rtype, (void**)&ctx)) {
- PRINTF_ERR0("engine_unregister_nif Leaved: Parameter not an engine resource object");
- return enif_make_badarg(env);
- }
- // Get Method
- if (!enif_get_uint(env, argv[1], &method)) {
- PRINTF_ERR0("engine_unregister_nif Leaved: Parameter Method not an uint");
- return enif_make_badarg(env);
- }
-
- switch(method)
- {
-#ifdef ENGINE_METHOD_RSA
- case ENGINE_METHOD_RSA:
- ENGINE_unregister_RSA(ctx->engine);
- break;
-#endif
-#ifdef ENGINE_METHOD_DSA
- case ENGINE_METHOD_DSA:
- ENGINE_unregister_DSA(ctx->engine);
- break;
-#endif
-#ifdef ENGINE_METHOD_DH
- case ENGINE_METHOD_DH:
- ENGINE_unregister_DH(ctx->engine);
- break;
-#endif
-#ifdef ENGINE_METHOD_RAND
- case ENGINE_METHOD_RAND:
- ENGINE_unregister_RAND(ctx->engine);
- break;
-#endif
-#ifdef ENGINE_METHOD_ECDH
- case ENGINE_METHOD_ECDH:
- ENGINE_unregister_ECDH(ctx->engine);
- break;
-#endif
-#ifdef ENGINE_METHOD_ECDSA
- case ENGINE_METHOD_ECDSA:
- ENGINE_unregister_ECDSA(ctx->engine);
- break;
-#endif
-#ifdef ENGINE_METHOD_STORE
- case ENGINE_METHOD_STORE:
- ENGINE_unregister_STORE(ctx->engine);
- break;
-#endif
-#ifdef ENGINE_METHOD_CIPHERS
- case ENGINE_METHOD_CIPHERS:
- ENGINE_unregister_ciphers(ctx->engine);
- break;
-#endif
-#ifdef ENGINE_METHOD_DIGESTS
- case ENGINE_METHOD_DIGESTS:
- ENGINE_unregister_digests(ctx->engine);
- break;
-#endif
-#ifdef ENGINE_METHOD_PKEY_METHS
- case ENGINE_METHOD_PKEY_METHS:
- ENGINE_unregister_pkey_meths(ctx->engine);
- break;
-#endif
-#ifdef ENGINE_METHOD_PKEY_ASN1_METHS
- case ENGINE_METHOD_PKEY_ASN1_METHS:
- ENGINE_unregister_pkey_asn1_meths(ctx->engine);
- break;
-#endif
-#ifdef ENGINE_METHOD_EC
- case ENGINE_METHOD_EC:
- ENGINE_unregister_EC(ctx->engine);
- break;
-#endif
- default:
- break;
- }
- return atom_ok;
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM engine_get_first_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Engine) */
-#ifdef HAS_ENGINE_SUPPORT
- ERL_NIF_TERM ret;
- ENGINE *engine;
- ErlNifBinary engine_bin;
- struct engine_ctx *ctx;
-
- engine = ENGINE_get_first();
- if(!engine) {
- enif_alloc_binary(0, &engine_bin);
- engine_bin.size = 0;
- return enif_make_tuple2(env, atom_ok, enif_make_binary(env, &engine_bin));
- }
-
- ctx = enif_alloc_resource(engine_ctx_rtype, sizeof(struct engine_ctx));
- ctx->engine = engine;
- ctx->id = NULL;
-
- ret = enif_make_resource(env, ctx);
- enif_release_resource(ctx);
-
- return enif_make_tuple2(env, atom_ok, ret);
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM engine_get_next_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Engine) */
-#ifdef HAS_ENGINE_SUPPORT
- ERL_NIF_TERM ret;
- ENGINE *engine;
- ErlNifBinary engine_bin;
- struct engine_ctx *ctx, *next_ctx;
-
- // Get Engine
- if (!enif_get_resource(env, argv[0], engine_ctx_rtype, (void**)&ctx)) {
- PRINTF_ERR0("engine_get_next_nif Leaved: Parameter not an engine resource object");
- return enif_make_badarg(env);
- }
- engine = ENGINE_get_next(ctx->engine);
- if (!engine) {
- enif_alloc_binary(0, &engine_bin);
- engine_bin.size = 0;
- return enif_make_tuple2(env, atom_ok, enif_make_binary(env, &engine_bin));
- }
-
- next_ctx = enif_alloc_resource(engine_ctx_rtype, sizeof(struct engine_ctx));
- next_ctx->engine = engine;
- next_ctx->id = NULL;
-
- ret = enif_make_resource(env, next_ctx);
- enif_release_resource(next_ctx);
-
- return enif_make_tuple2(env, atom_ok, ret);
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM engine_get_id_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Engine) */
-#ifdef HAS_ENGINE_SUPPORT
- ErlNifBinary engine_id_bin;
- const char *engine_id;
- int size;
- struct engine_ctx *ctx;
-
- // Get Engine
- if (!enif_get_resource(env, argv[0], engine_ctx_rtype, (void**)&ctx)) {
- PRINTF_ERR0("engine_get_id_nif Leaved: Parameter not an engine resource object");
- return enif_make_badarg(env);
- }
-
- engine_id = ENGINE_get_id(ctx->engine);
- if (!engine_id) {
- enif_alloc_binary(0, &engine_id_bin);
- engine_id_bin.size = 0;
- return enif_make_binary(env, &engine_id_bin);
- }
-
- size = strlen(engine_id);
- enif_alloc_binary(size, &engine_id_bin);
- engine_id_bin.size = size;
- memcpy(engine_id_bin.data, engine_id, size);
-
- return enif_make_binary(env, &engine_id_bin);
-#else
- return atom_notsup;
-#endif
-}
-
-static ERL_NIF_TERM engine_get_name_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Engine) */
-#ifdef HAS_ENGINE_SUPPORT
- ErlNifBinary engine_name_bin;
- const char *engine_name;
- int size;
- struct engine_ctx *ctx;
-
- // Get Engine
- if (!enif_get_resource(env, argv[0], engine_ctx_rtype, (void**)&ctx)) {
- PRINTF_ERR0("engine_get_id_nif Leaved: Parameter not an engine resource object");
- return enif_make_badarg(env);
- }
-
- engine_name = ENGINE_get_name(ctx->engine);
- if (!engine_name) {
- enif_alloc_binary(0, &engine_name_bin);
- engine_name_bin.size = 0;
- return enif_make_binary(env, &engine_name_bin);
- }
-
- size = strlen(engine_name);
- enif_alloc_binary(size, &engine_name_bin);
- engine_name_bin.size = size;
- memcpy(engine_name_bin.data, engine_name, size);
-
- return enif_make_binary(env, &engine_name_bin);
-#else
- return atom_notsup;
-#endif
-}
-
-#ifdef HAS_ENGINE_SUPPORT
-static int get_engine_load_cmd_list(ErlNifEnv* env, const ERL_NIF_TERM term, char **cmds, int i)
-{
- ERL_NIF_TERM head, tail;
- const ERL_NIF_TERM *tmp_tuple;
- ErlNifBinary tmpbin;
- int arity;
- char* tmpstr;
-
- if(!enif_is_empty_list(env, term)) {
- if(!enif_get_list_cell(env, term, &head, &tail)) {
- cmds[i] = NULL;
- return -1;
- } else {
- if(!enif_get_tuple(env, head, &arity, &tmp_tuple) || arity != 2) {
- cmds[i] = NULL;
- return -1;
- } else {
- if(!enif_inspect_binary(env, tmp_tuple[0], &tmpbin)) {
- cmds[i] = NULL;
- return -1;
- } else {
- tmpstr = enif_alloc(tmpbin.size+1);
- (void) memcpy(tmpstr, tmpbin.data, tmpbin.size);
- tmpstr[tmpbin.size] = '\0';
- cmds[i++] = tmpstr;
- }
- if(!enif_inspect_binary(env, tmp_tuple[1], &tmpbin)) {
- cmds[i] = NULL;
- return -1;
- } else {
- if(tmpbin.size == 0)
- cmds[i++] = NULL;
- else {
- tmpstr = enif_alloc(tmpbin.size+1);
- (void) memcpy(tmpstr, tmpbin.data, tmpbin.size);
- tmpstr[tmpbin.size] = '\0';
- cmds[i++] = tmpstr;
- }
- }
- return get_engine_load_cmd_list(env, tail, cmds, i);
- }
- }
- } else {
- cmds[i] = NULL;
- return 0;
- }
-}
-#endif
-
-static ERL_NIF_TERM engine_get_all_methods_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* () */
-#ifdef HAS_ENGINE_SUPPORT
- ERL_NIF_TERM method_array[12];
- int i = 0;
-
-#ifdef ENGINE_METHOD_RSA
- method_array[i++] = atom_engine_method_rsa;
-#endif
-#ifdef ENGINE_METHOD_DSA
- method_array[i++] = atom_engine_method_dsa;
-#endif
-#ifdef ENGINE_METHOD_DH
- method_array[i++] = atom_engine_method_dh;
-#endif
-#ifdef ENGINE_METHOD_RAND
- method_array[i++] = atom_engine_method_rand;
-#endif
-#ifdef ENGINE_METHOD_ECDH
- method_array[i++] = atom_engine_method_ecdh;
-#endif
-#ifdef ENGINE_METHOD_ECDSA
- method_array[i++] = atom_engine_method_ecdsa;
-#endif
-#ifdef ENGINE_METHOD_STORE
- method_array[i++] = atom_engine_method_store;
-#endif
-#ifdef ENGINE_METHOD_CIPHERS
- method_array[i++] = atom_engine_method_ciphers;
-#endif
-#ifdef ENGINE_METHOD_DIGESTS
- method_array[i++] = atom_engine_method_digests;
-#endif
-#ifdef ENGINE_METHOD_PKEY_METHS
- method_array[i++] = atom_engine_method_pkey_meths;
-#endif
-#ifdef ENGINE_METHOD_PKEY_ASN1_METHS
- method_array[i++] = atom_engine_method_pkey_asn1_meths;
-#endif
-#ifdef ENGINE_METHOD_EC
- method_array[i++] = atom_engine_method_ec;
-#endif
-
- return enif_make_list_from_array(env, method_array, i);
-#else
- return atom_notsup;
-#endif
-}