diff options
| author | Dr. Stephen Henson <steve@openssl.org> | 2016-12-08 12:16:02 +0000 |
|---|---|---|
| committer | Dr. Stephen Henson <steve@openssl.org> | 2016-12-09 23:05:44 +0000 |
| commit | 71bbc79b7d3b1195a7a7dd5f547d52ddce32d6f0 (patch) | |
| tree | 437700dba7de18beb3f599e03f4059dfc1acc010 /crypto/rsa/rsa_pmeth.c | |
| parent | 6c0e1e20d2756eaefe735e5edb56b83ccd9db9e6 (diff) | |
Check input length to pkey_rsa_verify()
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2065)
Diffstat (limited to 'crypto/rsa/rsa_pmeth.c')
| -rw-r--r-- | crypto/rsa/rsa_pmeth.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/rsa/rsa_pmeth.c b/crypto/rsa/rsa_pmeth.c index e503ada873..db4fb0fbf7 100644 --- a/crypto/rsa/rsa_pmeth.c +++ b/crypto/rsa/rsa_pmeth.c @@ -229,6 +229,10 @@ static int pkey_rsa_verify(EVP_PKEY_CTX *ctx, if (rctx->pad_mode == RSA_PKCS1_PADDING) return RSA_verify(EVP_MD_type(rctx->md), tbs, tbslen, sig, siglen, rsa); + if (tbslen != (size_t)EVP_MD_size(rctx->md)) { + RSAerr(RSA_F_PKEY_RSA_VERIFY, RSA_R_INVALID_DIGEST_LENGTH); + return -1; + } if (rctx->pad_mode == RSA_X931_PADDING) { if (pkey_rsa_verifyrecover(ctx, NULL, &rslen, sig, siglen) <= 0) return 0; |