int ssl3_cert_verify_hash(SSL *ssl, const EVP_MD **out_md, uint8_t *out,
size_t *out_len, uint16_t signature_algorithm) {
assert(ssl3_protocol_version(ssl) == SSL3_VERSION);
if (signature_algorithm == SSL_SIGN_RSA_PKCS1_MD5_SHA1) {
if (ssl3_handshake_mac(ssl, NID_md5, NULL, 0, out) == 0 ||
ssl3_handshake_mac(ssl, NID_sha1, NULL, 0,
out + MD5_DIGEST_LENGTH) == 0) {
return 0;
}
*out_md = EVP_md5_sha1();
*out_len = MD5_DIGEST_LENGTH + SHA_DIGEST_LENGTH;
} else if (signature_algorithm == SSL_SIGN_ECDSA_SHA1) {
if (ssl3_handshake_mac(ssl, NID_sha1, NULL, 0, out) == 0) {
return 0;
}
*out_md = EVP_sha1();
*out_len = SHA_DIGEST_LENGTH;
} else {
OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
int ssl3_final_finish_mac(SSL *s,
const char *sender, int len, unsigned char *p)
{
int ret;
ret=ssl3_handshake_mac(s,NID_md5,sender,len,p);
p+=ret;
ret+=ssl3_handshake_mac(s,NID_sha1,sender,len,p);
return(ret);
}
int ssl3_final_finish_mac(SSL *s, EVP_MD_CTX *ctx1, EVP_MD_CTX *ctx2,
const char *sender, int len, unsigned char *p)
{
int ret;
ret=ssl3_handshake_mac(s,ctx1,sender,len,p);
p+=ret;
ret+=ssl3_handshake_mac(s,ctx2,sender,len,p);
return(ret);
}
int ssl3_final_finish_mac(SSL *s,
const char *sender, int len, unsigned char *p)
{
int ret, sha1len;
ret = ssl3_handshake_mac(s, NID_md5, sender, len, p);
if (ret == 0)
return 0;
p += ret;
sha1len = ssl3_handshake_mac(s, NID_sha1, sender, len, p);
if (sha1len == 0)
return 0;
ret += sha1len;
return (ret);
}
int ssl3_final_finish_mac(SSL *s, const char *sender, int len, uint8_t *p) {
int ret, sha1len;
ret = ssl3_handshake_mac(s, NID_md5, sender, len, p);
if (ret == 0) {
return 0;
}
p += ret;
sha1len = ssl3_handshake_mac(s, NID_sha1, sender, len, p);
if (sha1len == 0) {
return 0;
}
ret += sha1len;
return ret;
}
static int ssl3_final_finish_mac(SSL *ssl, int from_server, uint8_t *out) {
const char *sender = from_server ? SSL3_MD_SERVER_FINISHED_CONST
: SSL3_MD_CLIENT_FINISHED_CONST;
const size_t sender_len = 4;
int ret, sha1len;
ret = ssl3_handshake_mac(ssl, NID_md5, sender, sender_len, out);
if (ret == 0) {
return 0;
}
out += ret;
sha1len = ssl3_handshake_mac(ssl, NID_sha1, sender, sender_len, out);
if (sha1len == 0) {
return 0;
}
ret += sha1len;
return ret;
}
int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p)
{
return(ssl3_handshake_mac(s,md_nid,NULL,0,p));
}
int ssl3_cert_verify_mac(SSL *s, EVP_MD_CTX *ctx, unsigned char *p)
{
return(ssl3_handshake_mac(s,ctx,NULL,0,p));
}
int ssl3_cert_verify_mac(SSL *s, int md_nid, uint8_t *p) {
return ssl3_handshake_mac(s, md_nid, NULL, 0, p);
}
