case SSL3_ST_SW_SRVR_HELLO_B:
ret=ssl3_send_server_hello(s);
if (ret <= 0) goto end;
-
+#ifndef OPENSSL_NO_TLSEXT
if (s->hit)
- s->state=SSL3_ST_SW_CHANGE_A;
+ {
+ if (s->tlsext_ticket_expected)
+ s->state=SSL3_ST_SW_SESSION_TICKET_A;
+ else
+ s->state=SSL3_ST_SW_CHANGE_A;
+ }
+#else
+ if (s->hit)
+ s->state=SSL3_ST_SW_CHANGE_A;
+#endif
else
s->state=SSL3_ST_SW_CERT_A;
s->init_num=0;
s->state=SSL3_ST_SW_KEY_EXCH_A;
}
#else
+ }
else
skip=1;
}
else
{
+ int offset=0;
+ int dgst_num;
s->state=SSL3_ST_SR_CERT_VRFY_A;
s->init_num=0;
* FIXME - digest processing for CertificateVerify
* should be generalized. But it is next step
*/
-
- s->method->ssl3_enc->cert_verify_mac(s,
- NID_md5,
- &(s->s3->tmp.cert_verify_md[0]));
- s->method->ssl3_enc->cert_verify_mac(s,
- NID_sha1,
- &(s->s3->tmp.cert_verify_md[MD5_DIGEST_LENGTH]));
+ if (s->s3->handshake_buffer)
+ ssl3_digest_cached_records(s);
+ for (dgst_num=0; dgst_num<SSL_MAX_DIGEST;dgst_num++)
+ if (s->s3->handshake_dgst[dgst_num])
+ {
+ s->method->ssl3_enc->cert_verify_mac(s,EVP_MD_CTX_type(s->s3->handshake_dgst[dgst_num]),&(s->s3->tmp.cert_verify_md[offset]));
+ offset+=EVP_MD_CTX_size(s->s3->handshake_dgst[dgst_num]);
+ }
}
break;
ret=ssl3_get_finished(s,SSL3_ST_SR_FINISHED_A,
SSL3_ST_SR_FINISHED_B);
if (ret <= 0) goto end;
- if (s->hit)
- s->state=SSL_ST_OK;
#ifndef OPENSSL_NO_TLSEXT
- else if (s->tlsext_ticket_expected)
+ if (s->tlsext_ticket_expected)
s->state=SSL3_ST_SW_SESSION_TICKET_A;
+ else if (s->hit)
+ s->state=SSL_ST_OK;
+#else
+ if (s->hit)
+ s->state=SSL_ST_OK;
#endif
else
s->state=SSL3_ST_SW_CHANGE_A;
s->client_version=(((int)p[0])<<8)|(int)p[1];
p+=2;
- if (s->client_version < s->version)
+ if ((s->version == DTLS1_VERSION && s->client_version > s->version) ||
+ (s->version != DTLS1_VERSION && s->client_version < s->version))
{
SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_WRONG_VERSION_NUMBER);
if ((s->client_version>>8) == SSL3_VERSION_MAJOR)
p+=j;
- if (SSL_version(s) == DTLS1_VERSION)
+ if (s->version == DTLS1_VERSION)
{
/* cookie stuff */
cookie_len = *(p++);
* session-id if we want it to be single use.
* Currently I will not implement the '0' length session-id
* 12-Jan-98 - I'll now support the '0' length stuff.
+ *
+ * We also have an additional case where stateless session
+ * resumption is successful: we always send back the old
+ * session id. In this case s->hit is non zero: this can
+ * only happen if stateless session resumption is succesful
+ * if session caching is disabled so existing functionality
+ * is unaffected.
*/
- if (!(s->ctx->session_cache_mode & SSL_SESS_CACHE_SERVER))
+ if (!(s->ctx->session_cache_mode & SSL_SESS_CACHE_SERVER)
+ && !s->hit)
s->session->session_id_length=0;
sl=s->session->session_id_length;
return -1;
}
#endif
-
/* do the header */
l=(p-d);
d=buf;
rsa=pkey->pkey.rsa;
}
- /* TLS */
+ /* TLS and [incidentally] DTLS{0xFEFF} */
if (s->version > SSL3_VERSION)
{
n2s(p,i);
}
else
#endif
+ if (alg_k & SSL_kGOST)
+ {
+ EVP_PKEY_CTX *pkey_ctx;
+ unsigned char premaster_secret[32];
+ size_t outlen;
+
+ /* Get our certificate privatec key*/
+ pkey_ctx = EVP_PKEY_CTX_new(s->cert->key->privatekey,NULL);
+ EVP_PKEY_decrypt_init(pkey_ctx);
+ /* Decrypt session key */
+ if ((*p!=( V_ASN1_SEQUENCE| V_ASN1_CONSTRUCTED)) || p[1]!=0x81 )
+ {
+ SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_DECRYPTION_FAILED);
+ goto err;
+ }
+ if (EVP_PKEY_decrypt(pkey_ctx,premaster_secret,&outlen,p+3,p[2]) <0)
+
+ {
+ SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_DECRYPTION_FAILED);
+ goto err;
+ }
+ /* Generate master secret */
+ EVP_PKEY_CTX_free(pkey_ctx);
+ s->session->master_key_length=
+ s->method->ssl3_enc->generate_master_secret(s,
+ s->session->master_key,premaster_secret,32);
+
+ }
+ else
{
al=SSL_AD_HANDSHAKE_FAILURE;
SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,
/* we now have a signature that we need to verify */
p=(unsigned char *)s->init_msg;
- n2s(p,i);
- n-=2;
- if (i > n)
+ /* Check for broken implementations of GOST ciphersuites */
+ /* If key is GOST and n is exactly 64, it is bare
+ * signature without length field */
+ if (n==64 && (pkey->type==NID_id_GostR3410_94 ||
+ pkey->type == NID_id_GostR3410_2001) )
{
- SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_LENGTH_MISMATCH);
- al=SSL_AD_DECODE_ERROR;
- goto f_err;
- }
-
+ i=64;
+ }
+ else
+ {
+ n2s(p,i);
+ n-=2;
+ if (i > n)
+ {
+ SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_LENGTH_MISMATCH);
+ al=SSL_AD_DECODE_ERROR;
+ goto f_err;
+ }
+ }
j=EVP_PKEY_size(pkey);
if ((i > j) || (n > j) || (n <= 0))
{
}
else
#endif
+ if (pkey->type == NID_id_GostR3410_94 || pkey->type == NID_id_GostR3410_2001)
+ { unsigned char signature[64];
+ int idx;
+ EVP_PKEY_CTX *pctx = EVP_PKEY_CTX_new(pkey,NULL);
+ EVP_PKEY_verify_init(pctx);
+ if (i!=64) {
+ fprintf(stderr,"GOST signature length is %d",i);
+ }
+ for (idx=0;idx<64;idx++) {
+ signature[63-idx]=p[idx];
+ }
+ j=EVP_PKEY_verify(pctx,signature,64,s->s3->tmp.cert_verify_md,32);
+ EVP_PKEY_CTX_free(pctx);
+ if (j<=0)
+ {
+ al=SSL_AD_DECRYPT_ERROR;
+ SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,
+ SSL_R_BAD_ECDSA_SIGNATURE);
+ goto f_err;
+ }
+ }
+ else
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,ERR_R_INTERNAL_ERROR);
al=SSL_AD_UNSUPPORTED_CERTIFICATE;
projects / openssl.git / blobdiff