diff options
Diffstat (limited to 'crypto/rsa')
| -rw-r--r-- | crypto/rsa/rsa_sign.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/crypto/rsa/rsa_sign.c b/crypto/rsa/rsa_sign.c index 2ccadb73d8..b6f6037ae0 100644 --- a/crypto/rsa/rsa_sign.c +++ b/crypto/rsa/rsa_sign.c @@ -199,6 +199,22 @@ int int_rsa_verify(int dtype, const unsigned char *m, i=RSA_public_decrypt((int)siglen,sigbuf,s,rsa,RSA_PKCS1_PADDING); if (i <= 0) goto err; + /* Oddball MDC2 case: signature can be OCTET STRING. + * check for correct tag and length octets. + */ + if (dtype == NID_mdc2 && i == 18 && s[0] == 0x04 && s[1] == 0x10) + { + if (rm) + { + memcpy(rm, s + 2, 16); + *prm_len = 16; + ret = 1; + } + else if(memcmp(m, s + 2, 16)) + RSAerr(RSA_F_INT_RSA_VERIFY,RSA_R_BAD_SIGNATURE); + else + ret = 1; + } /* Special case: SSL signature */ if(dtype == NID_md5_sha1) { |