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-rw-r--r--lib/crypto/c_src/crypto.c121
1 files changed, 96 insertions, 25 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c
index 42fb172953..322f08be64 100644
--- a/lib/crypto/c_src/crypto.c
+++ b/lib/crypto/c_src/crypto.c
@@ -81,12 +81,18 @@
# define HAVE_EC
#endif
+#if OPENSSL_VERSION_NUMBER >= 0x0090803fL
+# define HAVE_AES_IGE
+#endif
+
#if defined(HAVE_EC)
#include <openssl/ec.h>
#include <openssl/ecdh.h>
#include <openssl/ecdsa.h>
#endif
+
+
#ifdef VALGRIND
# include <valgrind/memcheck.h>
@@ -221,6 +227,7 @@ static ERL_NIF_TERM mod_exp_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM arg
static ERL_NIF_TERM dss_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM rsa_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM aes_cbc_crypt(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 do_exor(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM rc4_encrypt(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[]);
@@ -249,7 +256,7 @@ static ERL_NIF_TERM ecdh_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF
/* helpers */
-static void init_algorithms_types(void);
+static void init_algorithms_types(ErlNifEnv*);
static void init_digest_types(ErlNifEnv* env);
static void hmac_md5(unsigned char *key, int klen,
unsigned char *dbuf, int dlen,
@@ -349,6 +356,7 @@ static ErlNifFunc nif_funcs[] = {
{"dss_verify_nif", 4, dss_verify_nif},
{"rsa_verify_nif", 4, rsa_verify_nif},
{"aes_cbc_crypt", 4, aes_cbc_crypt},
+ {"aes_ige_crypt_nif", 4, aes_ige_crypt_nif},
{"do_exor", 2, do_exor},
{"rc4_encrypt", 2, rc4_encrypt},
{"rc4_set_key", 1, rc4_set_key},
@@ -538,16 +546,17 @@ static ERL_NIF_TERM atom_onbasis;
#define PRINTF_ERR1(FMT,A1)
#ifdef HAVE_DYNAMIC_CRYPTO_LIB
-static int change_basename(char* buf, int bufsz, const char* newfile)
+static int change_basename(ErlNifBinary* bin, char* buf, int bufsz, const char* newfile)
{
- char* p = strrchr(buf, '/');
- p = (p == NULL) ? buf : p + 1;
+ const unsigned char* p = (unsigned char*)strrchr((char*)bin->data, '/');
+ int i = (p == NULL) ? 0 : (p+1) - bin->data;
- if ((p - buf) + strlen(newfile) >= bufsz) {
+ if (i + strlen(newfile) >= bufsz) {
PRINTF_ERR0("CRYPTO: lib name too long");
return 0;
}
- strcpy(p, newfile);
+ memcpy(buf, bin->data, i);
+ strcpy(buf+i, newfile);
return 1;
}
@@ -566,14 +575,15 @@ static int init(ErlNifEnv* env, ERL_NIF_TERM load_info)
int tpl_arity;
const ERL_NIF_TERM* tpl_array;
int vernum;
+ ErlNifBinary lib_bin;
char lib_buf[1000];
- /* load_info: {201, "/full/path/of/this/library"} */
+ /* load_info: {301, <<"/full/path/of/this/library">>} */
if (!enif_get_tuple(env, load_info, &tpl_arity, &tpl_array)
|| tpl_arity != 2
|| !enif_get_int(env, tpl_array[0], &vernum)
- || vernum != 201
- || enif_get_string(env, tpl_array[1], lib_buf, sizeof(lib_buf), ERL_NIF_LATIN1) <= 0) {
+ || vernum != 301
+ || !enif_inspect_binary(env, tpl_array[1], &lib_bin)) {
PRINTF_ERR1("CRYPTO: Invalid load_info '%T'", load_info);
return 0;
@@ -628,12 +638,12 @@ static int init(ErlNifEnv* env, ERL_NIF_TERM load_info)
#endif
init_digest_types(env);
- init_algorithms_types();
+ init_algorithms_types(env);
#ifdef HAVE_DYNAMIC_CRYPTO_LIB
{
void* handle;
- if (!change_basename(lib_buf, sizeof(lib_buf), "crypto_callback")) {
+ if (!change_basename(&lib_bin, lib_buf, sizeof(lib_buf), "crypto_callback")) {
return 0;
}
if (!(handle = enif_dlopen(lib_buf, &error_handler, NULL))) {
@@ -709,36 +719,58 @@ static void unload(ErlNifEnv* env, void* priv_data)
--library_refc;
}
-static int algos_cnt;
-static ERL_NIF_TERM algos[9]; /* increase when extending the list */
+static int algo_hash_cnt;
+static ERL_NIF_TERM algo_hash[8]; /* increase when extending the list */
+static int algo_pubkey_cnt;
+static ERL_NIF_TERM algo_pubkey[2]; /* increase when extending the list */
+static int algo_cipher_cnt;
+static ERL_NIF_TERM algo_cipher[2]; /* increase when extending the list */
-static void init_algorithms_types(void)
+static void init_algorithms_types(ErlNifEnv* env)
{
- algos_cnt = 0;
- algos[algos_cnt++] = atom_md4;
- algos[algos_cnt++] = atom_md5;
- algos[algos_cnt++] = atom_sha;
- algos[algos_cnt++] = atom_ripemd160;
+ algo_hash_cnt = 0;
+ algo_hash[algo_hash_cnt++] = atom_md4;
+ algo_hash[algo_hash_cnt++] = atom_md5;
+ algo_hash[algo_hash_cnt++] = atom_sha;
+ algo_hash[algo_hash_cnt++] = atom_ripemd160;
#ifdef HAVE_SHA224
- algos[algos_cnt++] = atom_sha224;
+ algo_hash[algo_hash_cnt++] = atom_sha224;
#endif
#ifdef HAVE_SHA256
- algos[algos_cnt++] = atom_sha256;
+ algo_hash[algo_hash_cnt++] = atom_sha256;
#endif
#ifdef HAVE_SHA384
- algos[algos_cnt++] = atom_sha384;
+ algo_hash[algo_hash_cnt++] = atom_sha384;
#endif
#ifdef HAVE_SHA512
- algos[algos_cnt++] = atom_sha512;
+ algo_hash[algo_hash_cnt++] = atom_sha512;
#endif
+
+ algo_pubkey_cnt = 0;
#if defined(HAVE_EC)
- algos[algos_cnt++] = atom_ec;
+ algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env,"ecdsa");
+ algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env,"ecdh");
+#endif
+
+ algo_cipher_cnt = 0;
+#ifdef HAVE_DES_ede3_cfb_encrypt
+ algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "des3_cbf");
+#endif
+#ifdef HAVE_AES_IGE
+ algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"aes_ige256");
#endif
+
+ 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));
}
static ERL_NIF_TERM algorithms(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
- return enif_make_list_from_array(env, algos, algos_cnt);
+ return enif_make_tuple3(env,
+ enif_make_list_from_array(env, algo_hash, algo_hash_cnt),
+ enif_make_list_from_array(env, algo_pubkey, algo_pubkey_cnt),
+ enif_make_list_from_array(env, algo_cipher, algo_cipher_cnt));
}
static ERL_NIF_TERM info_lib(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
@@ -2090,6 +2122,45 @@ static ERL_NIF_TERM aes_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM a
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;
+
+ 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
+}
+
static ERL_NIF_TERM do_exor(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{/* (Data1, Data2) */
ErlNifBinary d1, d2;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-15 19:10:28 +0000