From 60adbfdea1ee754341d64454274e7aa83bae8971 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Fri, 30 Sep 2011 08:40:25 +0200
Subject: Upgraded to openssl-1.0.0e
---
openssl/crypto/rsa/rsa_oaep.c | 20 +++++++++++++-------
1 file changed, 13 insertions(+), 7 deletions(-)
(limited to 'openssl/crypto/rsa')
diff --git a/openssl/crypto/rsa/rsa_oaep.c b/openssl/crypto/rsa/rsa_oaep.c
index e238d10e5..18d307ea9 100644
--- a/openssl/crypto/rsa/rsa_oaep.c
+++ b/openssl/crypto/rsa/rsa_oaep.c
@@ -189,34 +189,40 @@ int PKCS1_MGF1(unsigned char *mask, long len,
EVP_MD_CTX c;
unsigned char md[EVP_MAX_MD_SIZE];
int mdlen;
+ int rv = -1;
EVP_MD_CTX_init(&c);
mdlen = EVP_MD_size(dgst);
if (mdlen < 0)
- return -1;
+ goto err;
for (i = 0; outlen < len; i++)
{
cnt[0] = (unsigned char)((i >> 24) & 255);
cnt[1] = (unsigned char)((i >> 16) & 255);
cnt[2] = (unsigned char)((i >> 8)) & 255;
cnt[3] = (unsigned char)(i & 255);
- EVP_DigestInit_ex(&c,dgst, NULL);
- EVP_DigestUpdate(&c, seed, seedlen);
- EVP_DigestUpdate(&c, cnt, 4);
+ if (!EVP_DigestInit_ex(&c,dgst, NULL)
+ || !EVP_DigestUpdate(&c, seed, seedlen)
+ || !EVP_DigestUpdate(&c, cnt, 4))
+ goto err;
if (outlen + mdlen <= len)
{
- EVP_DigestFinal_ex(&c, mask + outlen, NULL);
+ if (!EVP_DigestFinal_ex(&c, mask + outlen, NULL))
+ goto err;
outlen += mdlen;
}
else
{
- EVP_DigestFinal_ex(&c, md, NULL);
+ if (!EVP_DigestFinal_ex(&c, md, NULL))
+ goto err;
memcpy(mask + outlen, md, len - outlen);
outlen = len;
}
}
+ rv = 0;
+ err:
EVP_MD_CTX_cleanup(&c);
- return 0;
+ return rv;
}
static int MGF1(unsigned char *mask, long len, const unsigned char *seed,
--
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