aboutsummaryrefslogtreecommitdiffstats
path: root/lib/crypto/c_src
diff options
context:
space:
mode:
Diffstat (limited to 'lib/crypto/c_src')
-rw-r--r--lib/crypto/c_src/crypto.c99
1 files changed, 67 insertions, 32 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c
index a839518a64..c0ab7ba7cd 100644
--- a/lib/crypto/c_src/crypto.c
+++ b/lib/crypto/c_src/crypto.c
@@ -447,6 +447,9 @@ struct cipher_type_t cipher_types[] =
{"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},
@@ -758,6 +761,7 @@ static void init_algorithms_types(ErlNifEnv* env)
#ifdef HAVE_DES_ede3_cfb_encrypt
algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "des3_cbf");
#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");
@@ -1360,6 +1364,7 @@ static ERL_NIF_TERM block_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM
key.data, ivec_size ? ivec.data : NULL, -1) ||
!EVP_CIPHER_CTX_set_padding(&ctx, 0)) {
+ EVP_CIPHER_CTX_cleanup(&ctx);
return enif_raise_exception(env, atom_notsup);
}
@@ -1621,44 +1626,62 @@ static ERL_NIF_TERM aes_ctr_stream_encrypt(ErlNifEnv* env, int argc, const ERL_N
static ERL_NIF_TERM aes_gcm_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{/* (Key,Iv,AAD,In) */
#if defined(HAVE_GCM)
- GCM128_CONTEXT *ctx = NULL;
+ EVP_CIPHER_CTX ctx;
+ const EVP_CIPHER *cipher = NULL;
ErlNifBinary key, iv, aad, in;
- AES_KEY aes_key;
- unsigned char *outp;
+ unsigned char *outp, *tagp;
ERL_NIF_TERM out, out_tag;
+ int len;
if (!enif_inspect_iolist_as_binary(env, argv[0], &key)
- || AES_set_encrypt_key(key.data, key.size*8, &aes_key) != 0
+ || (key.size != 16 && key.size != 24 && key.size != 32)
|| !enif_inspect_binary(env, argv[1], &iv) || iv.size == 0
|| !enif_inspect_iolist_as_binary(env, argv[2], &aad)
|| !enif_inspect_iolist_as_binary(env, argv[3], &in)) {
return enif_make_badarg(env);
}
- if (!(ctx = CRYPTO_gcm128_new(&aes_key, (block128_f)AES_encrypt)))
- return atom_error;
+ 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();
+
+ EVP_CIPHER_CTX_init(&ctx);
- CRYPTO_gcm128_setiv(ctx, iv.data, iv.size);
+ if (EVP_EncryptInit_ex(&ctx, cipher, NULL, NULL, NULL) != 1)
+ goto out_err;
- if (CRYPTO_gcm128_aad(ctx, aad.data, aad.size))
- goto out_err;
+ EVP_CIPHER_CTX_set_padding(&ctx, 0);
+
+ if (EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN, iv.size, 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, aad.data, aad.size) != 1)
+ goto out_err;
outp = enif_make_new_binary(env, in.size, &out);
- /* encrypt */
- if (CRYPTO_gcm128_encrypt(ctx, in.data, outp, in.size))
- goto out_err;
+ 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, EVP_GCM_TLS_TAG_LEN, &out_tag);
- /* calculate the tag */
- CRYPTO_gcm128_tag(ctx, enif_make_new_binary(env, EVP_GCM_TLS_TAG_LEN, &out_tag), EVP_GCM_TLS_TAG_LEN);
- CRYPTO_gcm128_release(ctx);
+ if (EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_GET_TAG, EVP_GCM_TLS_TAG_LEN, tagp) != 1)
+ goto out_err;
+
+ EVP_CIPHER_CTX_cleanup(&ctx);
CONSUME_REDS(env, in);
return enif_make_tuple2(env, out, out_tag);
out_err:
- CRYPTO_gcm128_release(ctx);
+ EVP_CIPHER_CTX_cleanup(&ctx);
return atom_error;
#else
@@ -1669,14 +1692,15 @@ out_err:
static ERL_NIF_TERM aes_gcm_decrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{/* (Key,Iv,AAD,In,Tag) */
#if defined(HAVE_GCM)
- GCM128_CONTEXT *ctx;
+ EVP_CIPHER_CTX ctx;
+ const EVP_CIPHER *cipher = NULL;
ErlNifBinary key, iv, aad, in, tag;
- AES_KEY aes_key;
unsigned char *outp;
ERL_NIF_TERM out;
+ int len;
if (!enif_inspect_iolist_as_binary(env, argv[0], &key)
- || AES_set_encrypt_key(key.data, key.size*8, &aes_key) != 0
+ || (key.size != 16 && key.size != 24 && key.size != 32)
|| !enif_inspect_binary(env, argv[1], &iv) || iv.size == 0
|| !enif_inspect_iolist_as_binary(env, argv[2], &aad)
|| !enif_inspect_iolist_as_binary(env, argv[3], &in)
@@ -1684,32 +1708,43 @@ static ERL_NIF_TERM aes_gcm_decrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM
return enif_make_badarg(env);
}
- if (!(ctx = CRYPTO_gcm128_new(&aes_key, (block128_f)AES_encrypt)))
- return atom_error;
+ 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();
- CRYPTO_gcm128_setiv(ctx, iv.data, iv.size);
+ EVP_CIPHER_CTX_init(&ctx);
- if (CRYPTO_gcm128_aad(ctx, aad.data, aad.size))
- goto out_err;
+ if (EVP_DecryptInit_ex(&ctx, cipher, NULL, NULL, NULL) != 1)
+ goto out_err;
+ if (EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN, iv.size, NULL) != 1)
+ goto out_err;
+ if (EVP_DecryptInit_ex(&ctx, NULL, NULL, key.data, iv.data) != 1)
+ goto out_err;
+ if (EVP_DecryptUpdate(&ctx, NULL, &len, aad.data, aad.size) != 1)
+ 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;
+ if (EVP_DecryptUpdate(&ctx, outp, &len, in.data, in.size) != 1)
+ goto out_err;
+ if (EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_TAG, EVP_GCM_TLS_TAG_LEN, tag.data) != 1)
+ goto out_err;
+ if (EVP_DecryptFinal_ex(&ctx, outp+len, &len) != 1)
+ goto out_err;
- /* calculate and check the tag */
- if (CRYPTO_gcm128_finish(ctx, tag.data, EVP_GCM_TLS_TAG_LEN))
- goto out_err;
+ EVP_CIPHER_CTX_cleanup(&ctx);
- CRYPTO_gcm128_release(ctx);
CONSUME_REDS(env, in);
return out;
out_err:
- CRYPTO_gcm128_release(ctx);
+ EVP_CIPHER_CTX_cleanup(&ctx);
return atom_error;
+
#else
return enif_raise_exception(env, atom_notsup);
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 18:20:04 +0000