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-rw-r--r--lib/crypto/c_src/crypto.c294
1 files changed, 268 insertions, 26 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c
index c781ccb302..4dc62421d2 100644
--- a/lib/crypto/c_src/crypto.c
+++ b/lib/crypto/c_src/crypto.c
@@ -53,6 +53,17 @@
#include <openssl/evp.h>
#include <openssl/hmac.h>
+#if OPENSSL_VERSION_NUMBER >= 0x00908000L && !defined(OPENSSL_NO_SHA256) && defined(NID_sha256)
+# define HAVE_SHA256
+#endif
+#if OPENSSL_VERSION_NUMBER >= 0x00908000L && !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 >= 0x00908000L && !defined(OPENSSL_NO_SHA512) && defined(NID_sha512)
+# define HAVE_SHA512
+#endif
+
#ifdef VALGRIND
# include <valgrind/memcheck.h>
@@ -124,6 +135,14 @@ static ERL_NIF_TERM sha(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM sha_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM sha_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM sha_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha256_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha256_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha256_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha256_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha512_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha512_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha512_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha512_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM md4(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM md4_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM md4_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
@@ -134,8 +153,10 @@ static ERL_NIF_TERM hmac_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[
static ERL_NIF_TERM hmac_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM hmac_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM des_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM des_cfb_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM des_ecb_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM des_ede3_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM des_ede3_cfb_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM aes_cfb_128_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM aes_ctr_encrypt(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[]);
@@ -146,13 +167,13 @@ static ERL_NIF_TERM strong_rand_mpint_nif(ErlNifEnv* env, int argc, const ERL_NI
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 dss_verify(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM rsa_verify(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 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[]);
static ERL_NIF_TERM rc4_encrypt_with_state(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM rc2_40_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM rc2_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM rsa_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM dss_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM rsa_public_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
@@ -199,6 +220,14 @@ static ErlNifFunc nif_funcs[] = {
{"sha_init", 0, sha_init},
{"sha_update", 2, sha_update},
{"sha_final", 1, sha_final},
+ {"sha256_nif", 1, sha256_nif},
+ {"sha256_init_nif", 0, sha256_init_nif},
+ {"sha256_update_nif", 2, sha256_update_nif},
+ {"sha256_final_nif", 1, sha256_final_nif},
+ {"sha512_nif", 1, sha512_nif},
+ {"sha512_init_nif", 0, sha512_init_nif},
+ {"sha512_update_nif", 2, sha512_update_nif},
+ {"sha512_final_nif", 1, sha512_final_nif},
{"md4", 1, md4},
{"md4_init", 0, md4_init},
{"md4_update", 2, md4_update},
@@ -210,8 +239,10 @@ static ErlNifFunc nif_funcs[] = {
{"hmac_final", 1, hmac_final},
{"hmac_final_n", 2, hmac_final},
{"des_cbc_crypt", 4, des_cbc_crypt},
+ {"des_cfb_crypt", 4, des_cfb_crypt},
{"des_ecb_crypt", 3, des_ecb_crypt},
{"des_ede3_cbc_crypt", 6, des_ede3_cbc_crypt},
+ {"des_ede3_cfb_crypt", 6, des_ede3_cfb_crypt},
{"aes_cfb_128_crypt", 4, aes_cfb_128_crypt},
{"aes_ctr_encrypt", 3, aes_ctr_encrypt},
{"aes_ctr_decrypt", 3, aes_ctr_encrypt},
@@ -224,13 +255,13 @@ static ErlNifFunc nif_funcs[] = {
{"rand_uniform_nif", 2, rand_uniform_nif},
{"mod_exp_nif", 3, mod_exp_nif},
{"dss_verify", 4, dss_verify},
- {"rsa_verify", 4, rsa_verify},
+ {"rsa_verify_nif", 4, rsa_verify_nif},
{"aes_cbc_crypt", 4, aes_cbc_crypt},
{"exor", 2, exor},
{"rc4_encrypt", 2, rc4_encrypt},
{"rc4_set_key", 1, rc4_set_key},
{"rc4_encrypt_with_state", 2, rc4_encrypt_with_state},
- {"rc2_40_cbc_crypt", 4, rc2_40_cbc_crypt},
+ {"rc2_cbc_crypt", 4, rc2_cbc_crypt},
{"rsa_sign_nif", 3, rsa_sign_nif},
{"dss_sign_nif", 3, dss_sign_nif},
{"rsa_public_crypt", 4, rsa_public_crypt},
@@ -256,6 +287,9 @@ ERL_NIF_INIT(crypto,nif_funcs,load,reload,upgrade,unload)
#define SHA_CTX_LEN (sizeof(SHA_CTX))
#define SHA_LEN 20
#define SHA_LEN_96 12
+#define SHA256_LEN (256/8)
+#define SHA384_LEN (384/8)
+#define SHA512_LEN (512/8)
#define HMAC_INT_LEN 64
#define HMAC_IPAD 0x36
@@ -266,6 +300,9 @@ static ErlNifRWLock** lock_vec = NULL; /* Static locks used by openssl */
static ERL_NIF_TERM atom_true;
static ERL_NIF_TERM atom_false;
static ERL_NIF_TERM atom_sha;
+static ERL_NIF_TERM atom_sha256;
+static ERL_NIF_TERM atom_sha384;
+static ERL_NIF_TERM atom_sha512;
static ERL_NIF_TERM atom_md5;
static ERL_NIF_TERM atom_ripemd160;
static ERL_NIF_TERM atom_error;
@@ -282,6 +319,7 @@ 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 int is_ok_load_info(ErlNifEnv* env, ERL_NIF_TERM load_info)
@@ -336,6 +374,9 @@ static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info)
atom_true = enif_make_atom(env,"true");
atom_false = enif_make_atom(env,"false");
atom_sha = enif_make_atom(env,"sha");
+ atom_sha256 = enif_make_atom(env,"sha256");
+ atom_sha384 = enif_make_atom(env,"sha384");
+ atom_sha512 = enif_make_atom(env,"sha512");
atom_md5 = enif_make_atom(env,"md5");
atom_ripemd160 = enif_make_atom(env,"ripemd160");
atom_error = enif_make_atom(env,"error");
@@ -351,6 +392,7 @@ static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info)
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");
*priv_data = NULL;
library_refc++;
@@ -515,6 +557,129 @@ static ERL_NIF_TERM sha_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[
return ret;
}
+static ERL_NIF_TERM sha256_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Data) */
+#ifdef HAVE_SHA256
+ ErlNifBinary ibin;
+ ERL_NIF_TERM ret;
+
+ if (!enif_inspect_iolist_as_binary(env, argv[0], &ibin)) {
+ return enif_make_badarg(env);
+ }
+ SHA256((unsigned char *) ibin.data, ibin.size,
+ enif_make_new_binary(env,SHA256_LEN, &ret));
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+static ERL_NIF_TERM sha256_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* () */
+#ifdef HAVE_SHA256
+ ERL_NIF_TERM ret;
+ SHA256_Init((SHA256_CTX *) enif_make_new_binary(env, sizeof(SHA256_CTX), &ret));
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+static ERL_NIF_TERM sha256_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Context, Data) */
+#ifdef HAVE_SHA256
+ SHA256_CTX* new_ctx;
+ ErlNifBinary ctx_bin, data_bin;
+ ERL_NIF_TERM ret;
+ if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA256_CTX)
+ || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin)) {
+ return enif_make_badarg(env);
+ }
+ new_ctx = (SHA256_CTX*) enif_make_new_binary(env,sizeof(SHA256_CTX), &ret);
+ memcpy(new_ctx, ctx_bin.data, sizeof(SHA256_CTX));
+ SHA256_Update(new_ctx, data_bin.data, data_bin.size);
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+static ERL_NIF_TERM sha256_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Context) */
+#ifdef HAVE_SHA256
+ ErlNifBinary ctx_bin;
+ SHA256_CTX ctx_clone;
+ ERL_NIF_TERM ret;
+ if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA256_CTX)) {
+ return enif_make_badarg(env);
+ }
+ memcpy(&ctx_clone, ctx_bin.data, sizeof(SHA256_CTX)); /* writable */
+ SHA256_Final(enif_make_new_binary(env, SHA256_LEN, &ret), &ctx_clone);
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+
+static ERL_NIF_TERM sha512_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Data) */
+#ifdef HAVE_SHA512
+ ErlNifBinary ibin;
+ ERL_NIF_TERM ret;
+
+ if (!enif_inspect_iolist_as_binary(env, argv[0], &ibin)) {
+ return enif_make_badarg(env);
+ }
+ SHA512((unsigned char *) ibin.data, ibin.size,
+ enif_make_new_binary(env,SHA512_LEN, &ret));
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+static ERL_NIF_TERM sha512_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* () */
+#ifdef HAVE_SHA512
+ ERL_NIF_TERM ret;
+ SHA512_Init((SHA512_CTX *) enif_make_new_binary(env, sizeof(SHA512_CTX), &ret));
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+static ERL_NIF_TERM sha512_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Context, Data) */
+#ifdef HAVE_SHA512
+ SHA512_CTX* new_ctx;
+ ErlNifBinary ctx_bin, data_bin;
+ ERL_NIF_TERM ret;
+ if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA512_CTX)
+ || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin)) {
+ return enif_make_badarg(env);
+ }
+ new_ctx = (SHA512_CTX*) enif_make_new_binary(env,sizeof(SHA512_CTX), &ret);
+ memcpy(new_ctx, ctx_bin.data, sizeof(SHA512_CTX));
+ SHA512_Update(new_ctx, data_bin.data, data_bin.size);
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+static ERL_NIF_TERM sha512_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Context) */
+#ifdef HAVE_SHA512
+ ErlNifBinary ctx_bin;
+ SHA512_CTX ctx_clone;
+ ERL_NIF_TERM ret;
+ if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA512_CTX)) {
+ return enif_make_badarg(env);
+ }
+ memcpy(&ctx_clone, ctx_bin.data, sizeof(SHA512_CTX)); /* writable */
+ SHA512_Final(enif_make_new_binary(env, SHA512_LEN, &ret), &ctx_clone);
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+
+
static ERL_NIF_TERM md4(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{/* (Data) */
ErlNifBinary ibin;
@@ -693,6 +858,25 @@ static ERL_NIF_TERM des_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM a
return ret;
}
+static ERL_NIF_TERM des_cfb_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Key, Ivec, Text, IsEncrypt) */
+ ErlNifBinary key, ivec, text;
+ DES_key_schedule schedule;
+ DES_cblock ivec_clone; /* writable copy */
+ ERL_NIF_TERM ret;
+
+ if (!enif_inspect_iolist_as_binary(env, argv[0], &key) || key.size != 8
+ || !enif_inspect_binary(env, argv[1], &ivec) || ivec.size != 8
+ || !enif_inspect_iolist_as_binary(env, argv[2], &text)) {
+ return enif_make_badarg(env);
+ }
+ memcpy(&ivec_clone, ivec.data, 8);
+ DES_set_key((const_DES_cblock*)key.data, &schedule);
+ DES_cfb_encrypt(text.data, enif_make_new_binary(env, text.size, &ret),
+ 8, text.size, &schedule, &ivec_clone, (argv[3] == atom_true));
+ return ret;
+}
+
static ERL_NIF_TERM des_ecb_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{/* (Key, Text/Cipher, IsEncrypt) */
ErlNifBinary key, text;
@@ -735,6 +919,31 @@ static ERL_NIF_TERM des_ede3_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_T
return ret;
}
+static ERL_NIF_TERM des_ede3_cfb_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Key1, Key2, Key3, IVec, Text/Cipher, IsEncrypt) */
+ ErlNifBinary key1, key2, key3, ivec, text;
+ DES_key_schedule schedule1, schedule2, schedule3;
+ DES_cblock ivec_clone; /* writable copy */
+ ERL_NIF_TERM ret;
+
+ if (!enif_inspect_iolist_as_binary(env, argv[0], &key1) || key1.size != 8
+ || !enif_inspect_iolist_as_binary(env, argv[1], &key2) || key2.size != 8
+ || !enif_inspect_iolist_as_binary(env, argv[2], &key3) || key3.size != 8
+ || !enif_inspect_binary(env, argv[3], &ivec) || ivec.size != 8
+ || !enif_inspect_iolist_as_binary(env, argv[4], &text)) {
+ return enif_make_badarg(env);
+ }
+
+ memcpy(&ivec_clone, ivec.data, 8);
+ DES_set_key((const_DES_cblock*)key1.data, &schedule1);
+ DES_set_key((const_DES_cblock*)key2.data, &schedule2);
+ DES_set_key((const_DES_cblock*)key3.data, &schedule3);
+ DES_ede3_cfb_encrypt(text.data, enif_make_new_binary(env,text.size,&ret),
+ 8, text.size, &schedule1, &schedule2, &schedule3,
+ &ivec_clone, (argv[5] == atom_true));
+ return ret;
+}
+
static ERL_NIF_TERM aes_cfb_128_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{/* (Key, IVec, Data, IsEncrypt) */
ErlNifBinary key, ivec, text;
@@ -1047,17 +1256,14 @@ static ERL_NIF_TERM dss_verify(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv
return(i > 0) ? atom_true : atom_false;
}
-static ERL_NIF_TERM rsa_verify(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[])
{/* (Type, Data, Signature, Key=[E,N]) */
ErlNifBinary data_bin, sign_bin;
- unsigned char hmacbuf[SHA_DIGEST_LENGTH];
+ unsigned char hmacbuf[SHA512_LEN];
ERL_NIF_TERM head, tail, ret;
- int i, is_sha;
+ int i;
RSA* rsa = RSA_new();
-
- if (argv[0] == atom_sha) is_sha = 1;
- else if (argv[0] == atom_md5) is_sha = 0;
- else goto badarg;
+ const ERL_NIF_TERM type = argv[0];
if (!inspect_mpint(env, argv[1], &data_bin)
|| !inspect_mpint(env, argv[2], &sign_bin)
@@ -1066,22 +1272,57 @@ static ERL_NIF_TERM rsa_verify(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv
|| !enif_get_list_cell(env, tail, &head, &tail)
|| !get_bn_from_mpint(env, head, &rsa->n)
|| !enif_is_empty_list(env, tail)) {
- badarg:
+
ret = enif_make_badarg(env);
}
else {
- if (is_sha) {
+ if (type == atom_sha) {
SHA1(data_bin.data+4, data_bin.size-4, hmacbuf);
i = RSA_verify(NID_sha1, hmacbuf, SHA_DIGEST_LENGTH,
sign_bin.data+4, sign_bin.size-4, rsa);
}
- else {
+ else if (type == atom_sha256) {
+ #ifdef HAVE_SHA256
+ SHA256(data_bin.data+4, data_bin.size-4, hmacbuf);
+ i = RSA_verify(NID_sha256, hmacbuf, SHA256_LEN,
+ sign_bin.data+4, sign_bin.size-4, rsa);
+ #else
+ ret = atom_notsup;
+ goto done;
+ #endif
+ }
+ else if (type == atom_sha384) {
+ #ifdef HAVE_SHA384
+ SHA384(data_bin.data+4, data_bin.size-4, hmacbuf);
+ i = RSA_verify(NID_sha384, hmacbuf, SHA384_LEN,
+ sign_bin.data+4, sign_bin.size-4, rsa);
+ #else
+ ret = atom_notsup;
+ goto done;
+ #endif
+ }
+ else if (type == atom_sha512) {
+ #ifdef HAVE_SHA512
+ SHA512(data_bin.data+4, data_bin.size-4, hmacbuf);
+ i = RSA_verify(NID_sha512, hmacbuf, SHA512_LEN,
+ sign_bin.data+4, sign_bin.size-4, rsa);
+ #else
+ ret = atom_notsup;
+ goto done;
+ #endif
+ }
+ else if (type == atom_md5) {
MD5(data_bin.data+4, data_bin.size-4, hmacbuf);
i = RSA_verify(NID_md5, hmacbuf, MD5_DIGEST_LENGTH,
sign_bin.data+4, sign_bin.size-4, rsa);
}
+ else {
+ ret = enif_make_badarg(env);
+ goto done;
+ }
ret = (i==1 ? atom_true : atom_false);
- }
+ }
+done:
RSA_free(rsa);
return ret;
}
@@ -1189,30 +1430,31 @@ static ERL_NIF_TERM rc4_encrypt_with_state(ErlNifEnv* env, int argc, const ERL_N
return enif_make_tuple2(env,new_state,new_data);
}
-static ERL_NIF_TERM rc2_40_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+static ERL_NIF_TERM rc2_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{/* (Key,IVec,Data,IsEncrypt) */
ErlNifBinary key_bin, ivec_bin, data_bin;
RC2_KEY rc2_key;
ERL_NIF_TERM ret;
-
+ unsigned char iv_copy[8];
+
if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin)
- || key_bin.size != 5
+ || (key_bin.size != 5 && key_bin.size != 8 && key_bin.size != 16)
|| !enif_inspect_binary(env, argv[1], &ivec_bin)
|| ivec_bin.size != 8
- || !enif_inspect_iolist_as_binary(env, argv[2], &data_bin)) {
-
+ || !enif_inspect_iolist_as_binary(env, argv[2], &data_bin)
+ || data_bin.size % 8 != 0) {
return enif_make_badarg(env);
}
-
- RC2_set_key(&rc2_key, 5, key_bin.data, 40);
+
+ RC2_set_key(&rc2_key, key_bin.size, key_bin.data, key_bin.size*8);
+ memcpy(iv_copy, ivec_bin.data, 8);
RC2_cbc_encrypt(data_bin.data,
- enif_make_new_binary(env, data_bin.size, &ret),
+ enif_make_new_binary(env, data_bin.size, &ret),
data_bin.size, &rc2_key,
- ivec_bin.data,
+ iv_copy,
(argv[3] == atom_true));
-
return ret;
-}
+}
static ERL_NIF_TERM rsa_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{/* (Type,Data,Key=[E,N,D]) */