diff options
| author | Parménides GV <parmegv@sdf.org> | 2014-06-13 12:21:38 +0200 |
|---|---|---|
| committer | Parménides GV <parmegv@sdf.org> | 2014-06-13 12:21:38 +0200 |
| commit | d09435a9d2adb0d0cafa0b1f9f6cfe326346cbc6 (patch) | |
| tree | 946278cd836aa6af639675f4eb5ec7378d783dd8 /app/openssl/crypto/evp/evp_key.c | |
| parent | 5d47fde84a03acb1201f8650c55dc0cd981df679 (diff) | |
| parent | 3a71bc9e4aa4296f460e2e3c55de74c9852477ad (diff) | |
Merge branch 'develop' into release-0.5.2
Diffstat (limited to 'app/openssl/crypto/evp/evp_key.c')
| -rw-r--r-- | app/openssl/crypto/evp/evp_key.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/app/openssl/crypto/evp/evp_key.c b/app/openssl/crypto/evp/evp_key.c index 839d6a3a..7961fbeb 100644 --- a/app/openssl/crypto/evp/evp_key.c +++ b/app/openssl/crypto/evp/evp_key.c @@ -120,7 +120,7 @@ int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md, unsigned char md_buf[EVP_MAX_MD_SIZE]; int niv,nkey,addmd=0; unsigned int mds=0,i; - + int rv = 0; nkey=type->key_len; niv=type->iv_len; OPENSSL_assert(nkey <= EVP_MAX_KEY_LENGTH); @@ -134,17 +134,24 @@ int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md, if (!EVP_DigestInit_ex(&c,md, NULL)) return 0; if (addmd++) - EVP_DigestUpdate(&c,&(md_buf[0]),mds); - EVP_DigestUpdate(&c,data,datal); + if (!EVP_DigestUpdate(&c,&(md_buf[0]),mds)) + goto err; + if (!EVP_DigestUpdate(&c,data,datal)) + goto err; if (salt != NULL) - EVP_DigestUpdate(&c,salt,PKCS5_SALT_LEN); - EVP_DigestFinal_ex(&c,&(md_buf[0]),&mds); + if (!EVP_DigestUpdate(&c,salt,PKCS5_SALT_LEN)) + goto err; + if (!EVP_DigestFinal_ex(&c,&(md_buf[0]),&mds)) + goto err; for (i=1; i<(unsigned int)count; i++) { - EVP_DigestInit_ex(&c,md, NULL); - EVP_DigestUpdate(&c,&(md_buf[0]),mds); - EVP_DigestFinal_ex(&c,&(md_buf[0]),&mds); + if (!EVP_DigestInit_ex(&c,md, NULL)) + goto err; + if (!EVP_DigestUpdate(&c,&(md_buf[0]),mds)) + goto err; + if (!EVP_DigestFinal_ex(&c,&(md_buf[0]),&mds)) + goto err; } i=0; if (nkey) @@ -173,8 +180,10 @@ int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md, } if ((nkey == 0) && (niv == 0)) break; } + rv = type->key_len; + err: EVP_MD_CTX_cleanup(&c); OPENSSL_cleanse(&(md_buf[0]),EVP_MAX_MD_SIZE); - return(type->key_len); + return rv; } |