/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
* Copyright 2005 Nokia. All rights reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
#include "ssl_locl.h"
#include <openssl/evp.h>
#include <openssl/md5.h>
+#include <openssl/core_names.h>
#include "internal/cryptlib.h"
static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num)
|| !EVP_DigestUpdate(s1, buf, k)
|| !EVP_DigestUpdate(s1, s->session->master_key,
s->session->master_key_length)
- || !EVP_DigestUpdate(s1, s->s3->server_random, SSL3_RANDOM_SIZE)
- || !EVP_DigestUpdate(s1, s->s3->client_random, SSL3_RANDOM_SIZE)
+ || !EVP_DigestUpdate(s1, s->s3.server_random, SSL3_RANDOM_SIZE)
+ || !EVP_DigestUpdate(s1, s->s3.client_random, SSL3_RANDOM_SIZE)
|| !EVP_DigestFinal_ex(s1, smd, NULL)
|| !EVP_DigestInit_ex(m5, EVP_md5(), NULL)
|| !EVP_DigestUpdate(m5, s->session->master_key,
int ssl3_change_cipher_state(SSL *s, int which)
{
unsigned char *p, *mac_secret;
- unsigned char exp_key[EVP_MAX_KEY_LENGTH];
- unsigned char exp_iv[EVP_MAX_IV_LENGTH];
unsigned char *ms, *key, *iv;
EVP_CIPHER_CTX *dd;
const EVP_CIPHER *c;
size_t n, i, j, k, cl;
int reuse_dd = 0;
- c = s->s3->tmp.new_sym_enc;
- m = s->s3->tmp.new_hash;
+ c = s->s3.tmp.new_sym_enc;
+ m = s->s3.tmp.new_hash;
/* m == NULL will lead to a crash later */
if (!ossl_assert(m != NULL)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE,
goto err;
}
#ifndef OPENSSL_NO_COMP
- if (s->s3->tmp.new_compression == NULL)
+ if (s->s3.tmp.new_compression == NULL)
comp = NULL;
else
- comp = s->s3->tmp.new_compression->method;
+ comp = s->s3.tmp.new_compression->method;
#endif
if (which & SSL3_CC_READ) {
}
#endif
RECORD_LAYER_reset_read_sequence(&s->rlayer);
- mac_secret = &(s->s3->read_mac_secret[0]);
+ mac_secret = &(s->s3.read_mac_secret[0]);
} else {
- s->statem.invalid_enc_write_ctx = 1;
+ s->statem.enc_write_state = ENC_WRITE_STATE_INVALID;
if (s->enc_write_ctx != NULL) {
reuse_dd = 1;
} else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL) {
*/
EVP_CIPHER_CTX_reset(s->enc_write_ctx);
}
- EVP_CIPHER_CTX_ctrl(s->enc_write_ctx, EVP_CTRL_SET_DRBG, 0, s->drbg);
dd = s->enc_write_ctx;
if (ssl_replace_hash(&s->write_hash, m) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE,
}
#endif
RECORD_LAYER_reset_write_sequence(&s->rlayer);
- mac_secret = &(s->s3->write_mac_secret[0]);
+ mac_secret = &(s->s3.write_mac_secret[0]);
}
if (reuse_dd)
EVP_CIPHER_CTX_reset(dd);
- p = s->s3->tmp.key_block;
+ p = s->s3.tmp.key_block;
mdi = EVP_MD_size(m);
if (mdi < 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE,
n += k;
}
- if (n > s->s3->tmp.key_block_length) {
+ if (n > s->s3.tmp.key_block_length) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE,
ERR_R_INTERNAL_ERROR);
goto err;
goto err;
}
- s->statem.invalid_enc_write_ctx = 0;
- OPENSSL_cleanse(exp_key, sizeof(exp_key));
- OPENSSL_cleanse(exp_iv, sizeof(exp_iv));
+ s->statem.enc_write_state = ENC_WRITE_STATE_VALID;
return 1;
err:
- OPENSSL_cleanse(exp_key, sizeof(exp_key));
- OPENSSL_cleanse(exp_iv, sizeof(exp_iv));
return 0;
}
int ret = 0;
SSL_COMP *comp;
- if (s->s3->tmp.key_block_length != 0)
+ if (s->s3.tmp.key_block_length != 0)
return 1;
if (!ssl_cipher_get_evp(s->session, &c, &hash, NULL, NULL, &comp, 0)) {
return 0;
}
- s->s3->tmp.new_sym_enc = c;
- s->s3->tmp.new_hash = hash;
+ s->s3.tmp.new_sym_enc = c;
+ s->s3.tmp.new_hash = hash;
#ifdef OPENSSL_NO_COMP
- s->s3->tmp.new_compression = NULL;
+ s->s3.tmp.new_compression = NULL;
#else
- s->s3->tmp.new_compression = comp;
+ s->s3.tmp.new_compression = comp;
#endif
num = EVP_MD_size(hash);
return 0;
}
- s->s3->tmp.key_block_length = num;
- s->s3->tmp.key_block = p;
+ s->s3.tmp.key_block_length = num;
+ s->s3.tmp.key_block = p;
/* Calls SSLfatal() as required */
ret = ssl3_generate_key_block(s, p, num);
* enable vulnerability countermeasure for CBC ciphers with known-IV
* problem (http://www.openssl.org/~bodo/tls-cbc.txt)
*/
- s->s3->need_empty_fragments = 1;
+ s->s3.need_empty_fragments = 1;
if (s->session->cipher != NULL) {
if (s->session->cipher->algorithm_enc == SSL_eNULL)
- s->s3->need_empty_fragments = 0;
+ s->s3.need_empty_fragments = 0;
#ifndef OPENSSL_NO_RC4
if (s->session->cipher->algorithm_enc == SSL_RC4)
- s->s3->need_empty_fragments = 0;
+ s->s3.need_empty_fragments = 0;
#endif
}
}
void ssl3_cleanup_key_block(SSL *s)
{
- OPENSSL_clear_free(s->s3->tmp.key_block, s->s3->tmp.key_block_length);
- s->s3->tmp.key_block = NULL;
- s->s3->tmp.key_block_length = 0;
+ OPENSSL_clear_free(s->s3.tmp.key_block, s->s3.tmp.key_block_length);
+ s->s3.tmp.key_block = NULL;
+ s->s3.tmp.key_block_length = 0;
}
int ssl3_init_finished_mac(SSL *s)
return 0;
}
ssl3_free_digest_list(s);
- s->s3->handshake_buffer = buf;
- (void)BIO_set_close(s->s3->handshake_buffer, BIO_CLOSE);
+ s->s3.handshake_buffer = buf;
+ (void)BIO_set_close(s->s3.handshake_buffer, BIO_CLOSE);
return 1;
}
void ssl3_free_digest_list(SSL *s)
{
- BIO_free(s->s3->handshake_buffer);
- s->s3->handshake_buffer = NULL;
- EVP_MD_CTX_free(s->s3->handshake_dgst);
- s->s3->handshake_dgst = NULL;
+ BIO_free(s->s3.handshake_buffer);
+ s->s3.handshake_buffer = NULL;
+ EVP_MD_CTX_free(s->s3.handshake_dgst);
+ s->s3.handshake_dgst = NULL;
}
int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len)
{
int ret;
- if (s->s3->handshake_dgst == NULL) {
+ if (s->s3.handshake_dgst == NULL) {
/* Note: this writes to a memory BIO so a failure is a fatal error */
if (len > INT_MAX) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINISH_MAC,
SSL_R_OVERFLOW_ERROR);
return 0;
}
- ret = BIO_write(s->s3->handshake_buffer, (void *)buf, (int)len);
+ ret = BIO_write(s->s3.handshake_buffer, (void *)buf, (int)len);
if (ret <= 0 || ret != (int)len) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINISH_MAC,
ERR_R_INTERNAL_ERROR);
return 0;
}
} else {
- ret = EVP_DigestUpdate(s->s3->handshake_dgst, buf, len);
+ ret = EVP_DigestUpdate(s->s3.handshake_dgst, buf, len);
if (!ret) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINISH_MAC,
ERR_R_INTERNAL_ERROR);
long hdatalen;
void *hdata;
- if (s->s3->handshake_dgst == NULL) {
- hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata);
+ if (s->s3.handshake_dgst == NULL) {
+ hdatalen = BIO_get_mem_data(s->s3.handshake_buffer, &hdata);
if (hdatalen <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_DIGEST_CACHED_RECORDS,
SSL_R_BAD_HANDSHAKE_LENGTH);
return 0;
}
- s->s3->handshake_dgst = EVP_MD_CTX_new();
- if (s->s3->handshake_dgst == NULL) {
+ s->s3.handshake_dgst = EVP_MD_CTX_new();
+ if (s->s3.handshake_dgst == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_DIGEST_CACHED_RECORDS,
ERR_R_MALLOC_FAILURE);
return 0;
}
md = ssl_handshake_md(s);
- if (md == NULL || !EVP_DigestInit_ex(s->s3->handshake_dgst, md, NULL)
- || !EVP_DigestUpdate(s->s3->handshake_dgst, hdata, hdatalen)) {
+ if (md == NULL || !EVP_DigestInit_ex(s->s3.handshake_dgst, md, NULL)
+ || !EVP_DigestUpdate(s->s3.handshake_dgst, hdata, hdatalen)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_DIGEST_CACHED_RECORDS,
ERR_R_INTERNAL_ERROR);
return 0;
}
}
if (keep == 0) {
- BIO_free(s->s3->handshake_buffer);
- s->s3->handshake_buffer = NULL;
+ BIO_free(s->s3.handshake_buffer);
+ s->s3.handshake_buffer = NULL;
}
return 1;
}
+void ssl3_digest_master_key_set_params(const SSL_SESSION *session,
+ OSSL_PARAM params[])
+{
+ int n = 0;
+ params[n++] = OSSL_PARAM_construct_octet_string(OSSL_DIGEST_PARAM_SSL3_MS,
+ (void *)session->master_key,
+ session->master_key_length,
+ NULL);
+ params[n++] = OSSL_PARAM_construct_end();
+}
+
size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t len,
unsigned char *p)
{
return 0;
}
- if (EVP_MD_CTX_type(s->s3->handshake_dgst) != NID_md5_sha1) {
+ if (EVP_MD_CTX_type(s->s3.handshake_dgst) != NID_md5_sha1) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC,
SSL_R_NO_REQUIRED_DIGEST);
return 0;
ERR_R_MALLOC_FAILURE);
return 0;
}
- if (!EVP_MD_CTX_copy_ex(ctx, s->s3->handshake_dgst)) {
+ if (!EVP_MD_CTX_copy_ex(ctx, s->s3.handshake_dgst)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC,
ERR_R_INTERNAL_ERROR);
- return 0;
+ ret = 0;
+ goto err;
}
ret = EVP_MD_CTX_size(ctx);
if (ret < 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC,
ERR_R_INTERNAL_ERROR);
- EVP_MD_CTX_reset(ctx);
- return 0;
+ ret = 0;
+ goto err;
}
- if ((sender != NULL && EVP_DigestUpdate(ctx, sender, len) <= 0)
- || EVP_MD_CTX_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET,
- (int)s->session->master_key_length,
- s->session->master_key) <= 0
- || EVP_DigestFinal_ex(ctx, p, NULL) <= 0) {
- SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC,
- ERR_R_INTERNAL_ERROR);
- ret = 0;
+ if (sender != NULL) {
+ OSSL_PARAM digest_cmd_params[3];
+
+ ssl3_digest_master_key_set_params(s->session, digest_cmd_params);
+
+ if (EVP_DigestUpdate(ctx, sender, len) <= 0
+ || EVP_MD_CTX_set_params(ctx, digest_cmd_params) <= 0
+ || EVP_DigestFinal_ex(ctx, p, NULL) <= 0) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC,
+ ERR_R_INTERNAL_ERROR);
+ ret = 0;
+ }
}
+ err:
EVP_MD_CTX_free(ctx);
return ret;
|| EVP_DigestUpdate(ctx, salt[i],
strlen((const char *)salt[i])) <= 0
|| EVP_DigestUpdate(ctx, p, len) <= 0
- || EVP_DigestUpdate(ctx, &(s->s3->client_random[0]),
+ || EVP_DigestUpdate(ctx, &(s->s3.client_random[0]),
SSL3_RANDOM_SIZE) <= 0
- || EVP_DigestUpdate(ctx, &(s->s3->server_random[0]),
+ || EVP_DigestUpdate(ctx, &(s->s3.server_random[0]),
SSL3_RANDOM_SIZE) <= 0
/* TODO(size_t) : convert me */
|| EVP_DigestFinal_ex(ctx, buf, &n) <= 0
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