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| author | marha <marha@users.sourceforge.net> | 2011-09-30 08:40:25 +0200 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2011-09-30 08:40:25 +0200 |
| commit | 60adbfdea1ee754341d64454274e7aa83bae8971 (patch) | |
| tree | 1b56329c88f1a881b0e7297bb4283cfbb7e39c97 /openssl/crypto/rsa/rsa_oaep.c | |
| parent | af72dcd109d7610b96863035541250997c7a172e (diff) | |
| download | vcxsrv-60adbfdea1ee754341d64454274e7aa83bae8971.tar.gz vcxsrv-60adbfdea1ee754341d64454274e7aa83bae8971.tar.bz2 vcxsrv-60adbfdea1ee754341d64454274e7aa83bae8971.zip | |
Upgraded to openssl-1.0.0e
Diffstat (limited to 'openssl/crypto/rsa/rsa_oaep.c')
| -rw-r--r-- | openssl/crypto/rsa/rsa_oaep.c | 20 |
1 files changed, 13 insertions, 7 deletions
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, |