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authormarha <marha@users.sourceforge.net>2012-04-10 11:54:31 +0200
committermarha <marha@users.sourceforge.net>2012-04-10 11:54:31 +0200
commit5564e91e3cf4ba5cb2fbebbc2d63d18f588016b8 (patch)
treec800a66664ea3af61eb13928db45a26275930b0b /openssl/crypto/evp/p5_crpt.c
parentd79e641dea89c0d5d651b11971c4c9e14df34629 (diff)
parent67326634496ef21b4acbf4cef2f05040d34aef9b (diff)
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Merge remote-tracking branch 'origin/released'
Conflicts: openssl/Configure openssl/Makefile openssl/crypto/opensslconf.h openssl/util/mk1mf.pl openssl/util/pl/VC-32.pl
Diffstat (limited to 'openssl/crypto/evp/p5_crpt.c')
-rw-r--r--openssl/crypto/evp/p5_crpt.c32
1 files changed, 21 insertions, 11 deletions
diff --git a/openssl/crypto/evp/p5_crpt.c b/openssl/crypto/evp/p5_crpt.c
index 7ecfa8dad..7d9c1f012 100644
--- a/openssl/crypto/evp/p5_crpt.c
+++ b/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 +106,37 @@ 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:
+ return rv;
}