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authorSverker Eriksson <[email protected]>2015-04-09 18:25:09 +0200
committerSverker Eriksson <[email protected]>2016-02-26 18:01:18 +0100
commit8055ad8a5b6ce0c1e9c1c9c7eafccef179415bb3 (patch)
tree14a5d305501fd4d9b1e8135d14bf25c41ac92c3a
parenta77aaf91b9695d704607bf7c09b0ec515d457871 (diff)
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crypto: Fix undefined symbol EVP_CIPHER_CTX_new
Use a stack allocated context and EVP_CIPHER_CTX_init/cleanup instead of dynamic EVP_CIPHER_CTX_new/free that does not exist in older 0.9.8 versions. Cherry-pick from b23f1ff1f79
-rw-r--r--lib/crypto/c_src/crypto.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c
index b4fd37b5eb..f9ded34670 100644
--- a/lib/crypto/c_src/crypto.c
+++ b/lib/crypto/c_src/crypto.c
@@ -2060,7 +2060,7 @@ static ERL_NIF_TERM aes_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM a
ErlNifBinary key_bin, ivec_bin, data_bin;
unsigned char ivec[16];
int enc, i = 0, outlen = 0;
- EVP_CIPHER_CTX *ctx = NULL;
+ EVP_CIPHER_CTX ctx;
const EVP_CIPHER *cipher = NULL;
unsigned char* ret_ptr;
ERL_NIF_TERM ret;
@@ -2080,8 +2080,7 @@ static ERL_NIF_TERM aes_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM a
else
enc = 0;
- if (!(ctx = EVP_CIPHER_CTX_new()))
- return enif_make_badarg(env);
+ EVP_CIPHER_CTX_init(&ctx);
if (key_bin.size == 16)
cipher = EVP_aes_128_cbc();
@@ -2094,20 +2093,20 @@ static ERL_NIF_TERM aes_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM a
at the end of the buffer for EVP calls. let's be safe */
ret_ptr = enif_make_new_binary(env, data_bin.size + 16*3, &ret);
- if (EVP_CipherInit_ex(ctx, cipher, NULL, key_bin.data, ivec, enc) != 1)
+ if (EVP_CipherInit_ex(&ctx, cipher, NULL, key_bin.data, ivec, enc) != 1)
return enif_make_badarg(env);
/* disable padding, we only handle whole blocks */
- EVP_CIPHER_CTX_set_padding(ctx, 0);
+ EVP_CIPHER_CTX_set_padding(&ctx, 0);
- if (EVP_CipherUpdate(ctx, ret_ptr, &i, data_bin.data, data_bin.size) != 1)
+ if (EVP_CipherUpdate(&ctx, ret_ptr, &i, data_bin.data, data_bin.size) != 1)
return enif_make_badarg(env);
outlen += i;
- if (EVP_CipherFinal_ex(ctx, ret_ptr + outlen, &i) != 1)
+ if (EVP_CipherFinal_ex(&ctx, ret_ptr + outlen, &i) != 1)
return enif_make_badarg(env);
outlen += i;
- EVP_CIPHER_CTX_free(ctx);
+ EVP_CIPHER_CTX_cleanup(&ctx);
CONSUME_REDS(env,data_bin);