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authorParménides GV <parmegv@sdf.org>2014-06-13 13:24:13 +0200
committerParménides GV <parmegv@sdf.org>2014-06-13 13:24:13 +0200
commit69b10487fcd63dfe1e94fa97c9f3fd9b035646b4 (patch)
treed4960893a4444634d404c7fbe4fa3e8778d30179 /app/openssl/crypto/evp/p5_crpt.c
parent9f6cfff38ae87922adc022300e1e2fd1c0d4c3e4 (diff)
parente45929e220fe49e30235a1d4d36c1a413547f8bf (diff)
Merge branch 'develop'
Diffstat (limited to 'app/openssl/crypto/evp/p5_crpt.c')
-rw-r--r--app/openssl/crypto/evp/p5_crpt.c33
1 files changed, 22 insertions, 11 deletions
diff --git a/app/openssl/crypto/evp/p5_crpt.c b/app/openssl/crypto/evp/p5_crpt.c
index 7ecfa8da..294cc90d 100644
--- a/app/openssl/crypto/evp/p5_crpt.c
+++ b/app/openssl/crypto/evp/p5_crpt.c
@@ -82,6 +82,8 @@ int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *cctx, const char *pass, int passlen,
unsigned char *salt;
const unsigned char *pbuf;
int mdsize;
+ int rv = 0;
+ EVP_MD_CTX_init(&ctx);
/* Extract useful info from parameter */
if (param == NULL || param->type != V_ASN1_SEQUENCE ||
@@ -104,29 +106,38 @@ int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *cctx, const char *pass, int passlen,
if(!pass) passlen = 0;
else if(passlen == -1) passlen = strlen(pass);
- EVP_MD_CTX_init(&ctx);
- EVP_DigestInit_ex(&ctx, md, NULL);
- EVP_DigestUpdate(&ctx, pass, passlen);
- EVP_DigestUpdate(&ctx, salt, saltlen);
+ if (!EVP_DigestInit_ex(&ctx, md, NULL))
+ goto err;
+ if (!EVP_DigestUpdate(&ctx, pass, passlen))
+ goto err;
+ if (!EVP_DigestUpdate(&ctx, salt, saltlen))
+ goto err;
PBEPARAM_free(pbe);
- EVP_DigestFinal_ex(&ctx, md_tmp, NULL);
+ if (!EVP_DigestFinal_ex(&ctx, md_tmp, NULL))
+ goto err;
mdsize = EVP_MD_size(md);
if (mdsize < 0)
return 0;
for (i = 1; i < iter; i++) {
- EVP_DigestInit_ex(&ctx, md, NULL);
- EVP_DigestUpdate(&ctx, md_tmp, mdsize);
- EVP_DigestFinal_ex (&ctx, md_tmp, NULL);
+ if (!EVP_DigestInit_ex(&ctx, md, NULL))
+ goto err;
+ if (!EVP_DigestUpdate(&ctx, md_tmp, mdsize))
+ goto err;
+ if (!EVP_DigestFinal_ex (&ctx, md_tmp, NULL))
+ goto err;
}
- EVP_MD_CTX_cleanup(&ctx);
OPENSSL_assert(EVP_CIPHER_key_length(cipher) <= (int)sizeof(md_tmp));
memcpy(key, md_tmp, EVP_CIPHER_key_length(cipher));
OPENSSL_assert(EVP_CIPHER_iv_length(cipher) <= 16);
memcpy(iv, md_tmp + (16 - EVP_CIPHER_iv_length(cipher)),
EVP_CIPHER_iv_length(cipher));
- EVP_CipherInit_ex(cctx, cipher, NULL, key, iv, en_de);
+ if (!EVP_CipherInit_ex(cctx, cipher, NULL, key, iv, en_de))
+ goto err;
OPENSSL_cleanse(md_tmp, EVP_MAX_MD_SIZE);
OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH);
OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH);
- return 1;
+ rv = 1;
+ err:
+ EVP_MD_CTX_cleanup(&ctx);
+ return rv;
}