X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fs3_enc.c;h=02e07bac94e1bbfdf4da4d6f00825e12fb986d73;hp=d79d9272d6526447797ba5513d84b28c3660d5e0;hb=fe3a329117dbb04a17ca2cb9fc9e3493dc7f03ab;hpb=06ab81f9f7b055a4456798cb9ef3266160438a08 diff --git a/ssl/s3_enc.c b/ssl/s3_enc.c index d79d9272d6..02e07bac94 100644 --- a/ssl/s3_enc.c +++ b/ssl/s3_enc.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,559 +49,718 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ +/* ==================================================================== + * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ +/* ==================================================================== + * Copyright 2005 Nokia. All rights reserved. + * + * The portions of the attached software ("Contribution") is developed by + * Nokia Corporation and is licensed pursuant to the OpenSSL open source + * license. + * + * The Contribution, originally written by Mika Kousa and Pasi Eronen of + * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites + * support (see RFC 4279) to OpenSSL. + * + * No patent licenses or other rights except those expressly stated in + * the OpenSSL open source license shall be deemed granted or received + * expressly, by implication, estoppel, or otherwise. + * + * No assurances are provided by Nokia that the Contribution does not + * infringe the patent or other intellectual property rights of any third + * party or that the license provides you with all the necessary rights + * to make use of the Contribution. + * + * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN + * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA + * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY + * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR + * OTHERWISE. + */ #include -#include "evp.h" #include "ssl_locl.h" +#include +#include + +static const unsigned char ssl3_pad_1[48] = { + 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, + 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, + 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, + 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, + 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, + 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36 +}; + +static const unsigned char ssl3_pad_2[48] = { + 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, + 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, + 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, + 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, + 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, + 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c +}; + +static int ssl3_handshake_mac(SSL *s, int md_nid, + const char *sender, int len, unsigned char *p); +static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num) +{ + EVP_MD_CTX m5; + EVP_MD_CTX s1; + unsigned char buf[16], smd[SHA_DIGEST_LENGTH]; + unsigned char c = 'A'; + unsigned int i, j, k; + +#ifdef CHARSET_EBCDIC + c = os_toascii[c]; /* 'A' in ASCII */ +#endif + k = 0; + EVP_MD_CTX_init(&m5); + EVP_MD_CTX_set_flags(&m5, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); + EVP_MD_CTX_init(&s1); + for (i = 0; (int)i < num; i += MD5_DIGEST_LENGTH) { + k++; + if (k > sizeof buf) { + /* bug: 'buf' is too small for this ciphersuite */ + SSLerr(SSL_F_SSL3_GENERATE_KEY_BLOCK, ERR_R_INTERNAL_ERROR); + return 0; + } + + for (j = 0; j < k; j++) + buf[j] = c; + c++; + EVP_DigestInit_ex(&s1, EVP_sha1(), NULL); + 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_DigestFinal_ex(&s1, smd, NULL); + + EVP_DigestInit_ex(&m5, EVP_md5(), NULL); + EVP_DigestUpdate(&m5, s->session->master_key, + s->session->master_key_length); + EVP_DigestUpdate(&m5, smd, SHA_DIGEST_LENGTH); + if ((int)(i + MD5_DIGEST_LENGTH) > num) { + EVP_DigestFinal_ex(&m5, smd, NULL); + memcpy(km, smd, (num - i)); + } else + EVP_DigestFinal_ex(&m5, km, NULL); + + km += MD5_DIGEST_LENGTH; + } + OPENSSL_cleanse(smd, sizeof(smd)); + EVP_MD_CTX_cleanup(&m5); + EVP_MD_CTX_cleanup(&s1); + return 1; +} + +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, *er1, *er2; + EVP_CIPHER_CTX *dd; + const EVP_CIPHER *c; +#ifndef OPENSSL_NO_COMP + COMP_METHOD *comp; +#endif + const EVP_MD *m; + EVP_MD_CTX md; + int is_exp, n, i, j, k, cl; + int reuse_dd = 0; + + is_exp = SSL_C_IS_EXPORT(s->s3->tmp.new_cipher); + c = s->s3->tmp.new_sym_enc; + m = s->s3->tmp.new_hash; + /* m == NULL will lead to a crash later */ + OPENSSL_assert(m); +#ifndef OPENSSL_NO_COMP + if (s->s3->tmp.new_compression == NULL) + comp = NULL; + else + comp = s->s3->tmp.new_compression->method; +#endif + + if (which & SSL3_CC_READ) { + if (s->enc_read_ctx != NULL) + reuse_dd = 1; + else if ((s->enc_read_ctx = + OPENSSL_malloc(sizeof(*s->enc_read_ctx))) == NULL) + goto err; + else + /* + * make sure it's intialized in case we exit later with an error + */ + EVP_CIPHER_CTX_init(s->enc_read_ctx); + dd = s->enc_read_ctx; + + if (!ssl_replace_hash(&s->read_hash, m)) { + SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); + goto err2; + } +#ifndef OPENSSL_NO_COMP + /* COMPRESS */ + COMP_CTX_free(s->expand); + s->expand = NULL; + if (comp != NULL) { + s->expand = COMP_CTX_new(comp); + if (s->expand == NULL) { + SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, + SSL_R_COMPRESSION_LIBRARY_ERROR); + goto err2; + } + if (!RECORD_LAYER_setup_comp_buffer(&s->rlayer)) + goto err; + } +#endif + RECORD_LAYER_reset_read_sequence(&s->rlayer); + mac_secret = &(s->s3->read_mac_secret[0]); + } else { + if (s->enc_write_ctx != NULL) + reuse_dd = 1; + else if ((s->enc_write_ctx = + OPENSSL_malloc(sizeof(*s->enc_write_ctx))) == NULL) + goto err; + else + /* + * make sure it's intialized in case we exit later with an error + */ + EVP_CIPHER_CTX_init(s->enc_write_ctx); + dd = s->enc_write_ctx; + if (!ssl_replace_hash(&s->write_hash, m)) { + SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); + goto err2; + } +#ifndef OPENSSL_NO_COMP + /* COMPRESS */ + COMP_CTX_free(s->compress); + s->compress = NULL; + if (comp != NULL) { + s->compress = COMP_CTX_new(comp); + if (s->compress == NULL) { + SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, + SSL_R_COMPRESSION_LIBRARY_ERROR); + goto err2; + } + } +#endif + RECORD_LAYER_reset_write_sequence(&s->rlayer); + mac_secret = &(s->s3->write_mac_secret[0]); + } + + if (reuse_dd) + EVP_CIPHER_CTX_cleanup(dd); + + p = s->s3->tmp.key_block; + i = EVP_MD_size(m); + if (i < 0) + goto err2; + cl = EVP_CIPHER_key_length(c); + j = is_exp ? (cl < SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher) ? + cl : SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher)) : cl; + /* Was j=(is_exp)?5:EVP_CIPHER_key_length(c); */ + k = EVP_CIPHER_iv_length(c); + if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) || + (which == SSL3_CHANGE_CIPHER_SERVER_READ)) { + ms = &(p[0]); + n = i + i; + key = &(p[n]); + n += j + j; + iv = &(p[n]); + n += k + k; + er1 = &(s->s3->client_random[0]); + er2 = &(s->s3->server_random[0]); + } else { + n = i; + ms = &(p[n]); + n += i + j; + key = &(p[n]); + n += j + k; + iv = &(p[n]); + n += k; + er1 = &(s->s3->server_random[0]); + er2 = &(s->s3->client_random[0]); + } + + if (n > s->s3->tmp.key_block_length) { + SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); + goto err2; + } + + EVP_MD_CTX_init(&md); + memcpy(mac_secret, ms, i); + if (is_exp) { + /* + * In here I set both the read and write key/iv to the same value + * since only the correct one will be used :-). + */ + EVP_DigestInit_ex(&md, EVP_md5(), NULL); + EVP_DigestUpdate(&md, key, j); + EVP_DigestUpdate(&md, er1, SSL3_RANDOM_SIZE); + EVP_DigestUpdate(&md, er2, SSL3_RANDOM_SIZE); + EVP_DigestFinal_ex(&md, &(exp_key[0]), NULL); + key = &(exp_key[0]); + + if (k > 0) { + EVP_DigestInit_ex(&md, EVP_md5(), NULL); + EVP_DigestUpdate(&md, er1, SSL3_RANDOM_SIZE); + EVP_DigestUpdate(&md, er2, SSL3_RANDOM_SIZE); + EVP_DigestFinal_ex(&md, &(exp_iv[0]), NULL); + iv = &(exp_iv[0]); + } + } + + EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE)); + +#ifdef OPENSSL_SSL_TRACE_CRYPTO + if (s->msg_callback) { + + int wh = which & SSL3_CC_WRITE ? + TLS1_RT_CRYPTO_WRITE : TLS1_RT_CRYPTO_READ; + s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_MAC, + mac_secret, EVP_MD_size(m), s, s->msg_callback_arg); + if (c->key_len) + s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_KEY, + key, c->key_len, s, s->msg_callback_arg); + if (k) { + s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_IV, + iv, k, s, s->msg_callback_arg); + } + } +#endif -static unsigned char ssl3_pad_1[48]={ - 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36, - 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36, - 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36, - 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36, - 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36, - 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36 }; - -static unsigned char ssl3_pad_2[48]={ - 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c, - 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c, - 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c, - 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c, - 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c, - 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c }; - -#ifndef NO_PROTO -static int ssl3_handshake_mac(SSL *s, EVP_MD_CTX *in_ctx, - unsigned char *sender, int len, unsigned char *p); + OPENSSL_cleanse(exp_key, sizeof(exp_key)); + OPENSSL_cleanse(exp_iv, sizeof(exp_iv)); + EVP_MD_CTX_cleanup(&md); + return (1); + err: + SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE); + err2: + OPENSSL_cleanse(exp_key, sizeof(exp_key)); + OPENSSL_cleanse(exp_iv, sizeof(exp_iv)); + return (0); +} + +int ssl3_setup_key_block(SSL *s) +{ + unsigned char *p; + const EVP_CIPHER *c; + const EVP_MD *hash; + int num; + int ret = 0; + SSL_COMP *comp; + + if (s->s3->tmp.key_block_length != 0) + return (1); + + if (!ssl_cipher_get_evp(s->session, &c, &hash, NULL, NULL, &comp, 0)) { + SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK, SSL_R_CIPHER_OR_HASH_UNAVAILABLE); + return (0); + } + + s->s3->tmp.new_sym_enc = c; + s->s3->tmp.new_hash = hash; +#ifdef OPENSSL_NO_COMP + s->s3->tmp.new_compression = NULL; #else -static int ssl3_handshake_mac(); + s->s3->tmp.new_compression = comp; +#endif + + num = EVP_MD_size(hash); + if (num < 0) + return 0; + + num = EVP_CIPHER_key_length(c) + num + EVP_CIPHER_iv_length(c); + num *= 2; + + ssl3_cleanup_key_block(s); + + if ((p = OPENSSL_malloc(num)) == NULL) + goto err; + + s->s3->tmp.key_block_length = num; + s->s3->tmp.key_block = p; + + ret = ssl3_generate_key_block(s, p, num); + + if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)) { + /* + * enable vulnerability countermeasure for CBC ciphers with known-IV + * problem (http://www.openssl.org/~bodo/tls-cbc.txt) + */ + 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; + +#ifndef OPENSSL_NO_RC4 + if (s->session->cipher->algorithm_enc == SSL_RC4) + s->s3->need_empty_fragments = 0; #endif + } + } + + return ret; + + err: + SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK, ERR_R_MALLOC_FAILURE); + return (0); +} + +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; +} + +void ssl3_init_finished_mac(SSL *s) +{ + ssl3_free_digest_list(s); + s->s3->handshake_buffer = BIO_new(BIO_s_mem()); + (void)BIO_set_close(s->s3->handshake_buffer, BIO_CLOSE); +} + +/* + * Free digest list. Also frees handshake buffer since they are always freed + * together. + */ -static void ssl3_generate_key_block(s,km,num) -SSL *s; -unsigned char *km; -int num; - { - MD5_CTX m5; - SHA_CTX s1; - unsigned char buf[8],smd[SHA_DIGEST_LENGTH]; - unsigned char c='A'; - int i,j,k; - - k=0; - for (i=0; isession->master_key, - s->session->master_key_length); - SHA1_Update(&s1,s->s3->server_random,SSL3_RANDOM_SIZE); - SHA1_Update(&s1,s->s3->client_random,SSL3_RANDOM_SIZE); - SHA1_Final( smd,&s1); - - MD5_Init( &m5); - MD5_Update(&m5,s->session->master_key, - s->session->master_key_length); - MD5_Update(&m5,smd,SHA_DIGEST_LENGTH); - if ((i+MD5_DIGEST_LENGTH) > num) - { - MD5_Final(smd,&m5); - memcpy(km,smd,(num-i)); - } - else - MD5_Final(km,&m5); - - km+=MD5_DIGEST_LENGTH; - } - memset(smd,0,SHA_DIGEST_LENGTH); - } - -int ssl3_change_cipher_state(s,which) -SSL *s; -int which; - { - unsigned char *p,*key_block,*mac_secret; - unsigned char exp_key[EVP_MAX_KEY_LENGTH]; - unsigned char exp_iv[EVP_MAX_KEY_LENGTH]; - unsigned char *ms,*key,*iv,*er1,*er2; - EVP_CIPHER_CTX *dd; - EVP_CIPHER *c; - COMP_METHOD *comp; - EVP_MD *m; - MD5_CTX md; - int exp,n,i,j,k,cl; - - exp=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher); - c=s->s3->tmp.new_sym_enc; - m=s->s3->tmp.new_hash; - if (s->s3->tmp.new_compression == NULL) - comp=NULL; - else - comp=s->s3->tmp.new_compression->method; - key_block=s->s3->tmp.key_block; - - if (which & SSL3_CC_READ) - { - if ((s->enc_read_ctx == NULL) && - ((s->enc_read_ctx=(EVP_CIPHER_CTX *) - Malloc(sizeof(EVP_CIPHER_CTX))) == NULL)) - goto err; - dd= s->enc_read_ctx; - s->read_hash=m; - /* COMPRESS */ - if (s->expand != NULL) - { - COMP_CTX_free(s->expand); - s->expand=NULL; - } - if (comp != NULL) - { - s->expand=COMP_CTX_new(comp); - if (s->expand == NULL) - { - SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR); - goto err2; - } - if (s->s3->rrec.comp == NULL) - s->s3->rrec.comp=(unsigned char *) - Malloc(SSL3_RT_MAX_PLAIN_LENGTH); - if (s->s3->rrec.comp == NULL) - goto err; - } - memset(&(s->s3->read_sequence[0]),0,8); - mac_secret= &(s->s3->read_mac_secret[0]); - } - else - { - if ((s->enc_write_ctx == NULL) && - ((s->enc_write_ctx=(EVP_CIPHER_CTX *) - Malloc(sizeof(EVP_CIPHER_CTX))) == NULL)) - goto err; - dd= s->enc_write_ctx; - s->write_hash=m; - /* COMPRESS */ - if (s->compress != NULL) - { - COMP_CTX_free(s->compress); - s->compress=NULL; - } - if (comp != NULL) - { - s->compress=COMP_CTX_new(comp); - if (s->compress == NULL) - { - SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR); - goto err2; - } - } - memset(&(s->s3->write_sequence[0]),0,8); - mac_secret= &(s->s3->write_mac_secret[0]); - } - - EVP_CIPHER_CTX_init(dd); - - p=s->s3->tmp.key_block; - i=EVP_MD_size(m); - cl=EVP_CIPHER_key_length(c); - j=exp ? (cl < SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher) ? - cl : SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher)) : cl; - /* Was j=(exp)?5:EVP_CIPHER_key_length(c); */ - k=EVP_CIPHER_iv_length(c); - if ( (which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) || - (which == SSL3_CHANGE_CIPHER_SERVER_READ)) - { - ms= &(p[ 0]); n=i+i; - key= &(p[ n]); n+=j+j; - iv= &(p[ n]); n+=k+k; - er1= &(s->s3->client_random[0]); - er2= &(s->s3->server_random[0]); - } - else - { - n=i; - ms= &(p[ n]); n+=i+j; - key= &(p[ n]); n+=j+k; - iv= &(p[ n]); n+=k; - er1= &(s->s3->server_random[0]); - er2= &(s->s3->client_random[0]); - } - - if (n > s->s3->tmp.key_block_length) - { - SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,SSL_R_INTERNAL_ERROR); - goto err2; - } - - memcpy(mac_secret,ms,i); - if (exp) - { - /* In here I set both the read and write key/iv to the - * same value since only the correct one will be used :-). - */ - MD5_Init(&md); - MD5_Update(&md,key,j); - MD5_Update(&md,er1,SSL3_RANDOM_SIZE); - MD5_Update(&md,er2,SSL3_RANDOM_SIZE); - MD5_Final(&(exp_key[0]),&md); - key= &(exp_key[0]); - - if (k > 0) - { - MD5_Init(&md); - MD5_Update(&md,er1,SSL3_RANDOM_SIZE); - MD5_Update(&md,er2,SSL3_RANDOM_SIZE); - MD5_Final(&(exp_iv[0]),&md); - iv= &(exp_iv[0]); - } - } - - s->session->key_arg_length=0; - - EVP_CipherInit(dd,c,key,iv,(which & SSL3_CC_WRITE)); - - memset(&(exp_key[0]),0,sizeof(exp_key)); - memset(&(exp_iv[0]),0,sizeof(exp_iv)); - return(1); -err: - SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,ERR_R_MALLOC_FAILURE); -err2: - return(0); - } - -int ssl3_setup_key_block(s) -SSL *s; - { - unsigned char *p; - EVP_CIPHER *c; - EVP_MD *hash; - int num; - SSL_COMP *comp; - - if (s->s3->tmp.key_block_length != 0) - return(1); - - if (!ssl_cipher_get_evp(s->session,&c,&hash,&comp)) - { - SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK,SSL_R_CIPHER_OR_HASH_UNAVAILABLE); - return(0); - } - - s->s3->tmp.new_sym_enc=c; - s->s3->tmp.new_hash=hash; - s->s3->tmp.new_compression=comp; - - num=EVP_CIPHER_key_length(c)+EVP_MD_size(hash)+EVP_CIPHER_iv_length(c); - num*=2; - - ssl3_cleanup_key_block(s); - - if ((p=(unsigned char *)Malloc(num)) == NULL) - goto err; - - s->s3->tmp.key_block_length=num; - s->s3->tmp.key_block=p; - - ssl3_generate_key_block(s,p,num); - - return(1); -err: - SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE); - return(0); - } - -void ssl3_cleanup_key_block(s) -SSL *s; - { - if (s->s3->tmp.key_block != NULL) - { - memset(s->s3->tmp.key_block,0, - s->s3->tmp.key_block_length); - Free(s->s3->tmp.key_block); - s->s3->tmp.key_block=NULL; - } - s->s3->tmp.key_block_length=0; - } - -int ssl3_enc(s,send) -SSL *s; -int send; - { - SSL3_RECORD *rec; - EVP_CIPHER_CTX *ds; - unsigned long l; - int bs,i; - EVP_CIPHER *enc; - - if (send) - { - ds=s->enc_write_ctx; - rec= &(s->s3->wrec); - if (s->enc_write_ctx == NULL) - enc=NULL; - else - enc=EVP_CIPHER_CTX_cipher(s->enc_write_ctx); - } - else - { - ds=s->enc_read_ctx; - rec= &(s->s3->rrec); - if (s->enc_read_ctx == NULL) - enc=NULL; - else - enc=EVP_CIPHER_CTX_cipher(s->enc_read_ctx); - } - - if ((s->session == NULL) || (ds == NULL) || - (enc == NULL)) - { - memcpy(rec->data,rec->input,rec->length); - rec->input=rec->data; - } - else - { - l=rec->length; - bs=EVP_CIPHER_block_size(ds->cipher); - - /* COMPRESS */ - - /* This should be using (bs-1) and bs instead of 7 and 8 */ - if ((bs != 1) && send) - { - i=bs-((int)l%bs); - - /* we need to add 'i-1' padding bytes */ - l+=i; - rec->length+=i; - rec->input[l-1]=(i-1); - } - - EVP_Cipher(ds,rec->data,rec->input,l); - - if ((bs != 1) && !send) - { - i=rec->data[l-1]+1; - if (i > bs) - { - SSLerr(SSL_F_SSL3_ENC,SSL_R_BLOCK_CIPHER_PAD_IS_WRONG); - ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECRYPT_ERROR); - return(0); - } - rec->length-=i; - } - } - return(1); - } - -void ssl3_init_finished_mac(s) -SSL *s; - { - EVP_DigestInit(&(s->s3->finish_dgst1),s->ctx->md5); - EVP_DigestInit(&(s->s3->finish_dgst2),s->ctx->sha1); - } - -void ssl3_finish_mac(s,buf,len) -SSL *s; -unsigned char *buf; -int len; - { - EVP_DigestUpdate(&(s->s3->finish_dgst1),buf,len); - EVP_DigestUpdate(&(s->s3->finish_dgst2),buf,len); - } - -int ssl3_cert_verify_mac(s,ctx,p) -SSL *s; -EVP_MD_CTX *ctx; -unsigned char *p; - { - return(ssl3_handshake_mac(s,ctx,NULL,0,p)); - } - -int ssl3_final_finish_mac(s,ctx1,ctx2,sender,len,p) -SSL *s; -EVP_MD_CTX *ctx1,*ctx2; -unsigned 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); - } - -static int ssl3_handshake_mac(s,in_ctx,sender,len,p) -SSL *s; -EVP_MD_CTX *in_ctx; -unsigned char *sender; -int len; -unsigned char *p; - { - unsigned int ret; - int npad,n; - unsigned int i; - unsigned char md_buf[EVP_MAX_MD_SIZE]; - EVP_MD_CTX ctx; - - EVP_MD_CTX_copy(&ctx,in_ctx); - - n=EVP_MD_CTX_size(&ctx); - npad=(48/n)*n; - - if (sender != NULL) - EVP_DigestUpdate(&ctx,sender,len); - EVP_DigestUpdate(&ctx,s->session->master_key, - s->session->master_key_length); - EVP_DigestUpdate(&ctx,ssl3_pad_1,npad); - EVP_DigestFinal(&ctx,md_buf,&i); - - EVP_DigestInit(&ctx,EVP_MD_CTX_type(&ctx)); - EVP_DigestUpdate(&ctx,s->session->master_key, - s->session->master_key_length); - EVP_DigestUpdate(&ctx,ssl3_pad_2,npad); - EVP_DigestUpdate(&ctx,md_buf,i); - EVP_DigestFinal(&ctx,p,&ret); - - memset(&ctx,0,sizeof(EVP_MD_CTX)); - - return((int)ret); - } - -int ssl3_mac(ssl,md,send) -SSL *ssl; -unsigned char *md; -int send; - { - SSL3_RECORD *rec; - unsigned char *mac_sec,*seq; - EVP_MD_CTX md_ctx; - EVP_MD *hash; - unsigned char *p,rec_char; - unsigned int md_size; - int npad,i; - - if (send) - { - rec= &(ssl->s3->wrec); - mac_sec= &(ssl->s3->write_mac_secret[0]); - seq= &(ssl->s3->write_sequence[0]); - hash=ssl->write_hash; - } - else - { - rec= &(ssl->s3->rrec); - mac_sec= &(ssl->s3->read_mac_secret[0]); - seq= &(ssl->s3->read_sequence[0]); - hash=ssl->read_hash; - } - - md_size=EVP_MD_size(hash); - npad=(48/md_size)*md_size; - - /* Chop the digest off the end :-) */ - - EVP_DigestInit( &md_ctx,hash); - EVP_DigestUpdate(&md_ctx,mac_sec,md_size); - EVP_DigestUpdate(&md_ctx,ssl3_pad_1,npad); - EVP_DigestUpdate(&md_ctx,seq,8); - rec_char=rec->type; - EVP_DigestUpdate(&md_ctx,&rec_char,1); - p=md; - s2n(rec->length,p); - EVP_DigestUpdate(&md_ctx,md,2); - EVP_DigestUpdate(&md_ctx,rec->input,rec->length); - EVP_DigestFinal( &md_ctx,md,NULL); - - EVP_DigestInit( &md_ctx,hash); - EVP_DigestUpdate(&md_ctx,mac_sec,md_size); - EVP_DigestUpdate(&md_ctx,ssl3_pad_2,npad); - EVP_DigestUpdate(&md_ctx,md,md_size); - EVP_DigestFinal( &md_ctx,md,&md_size); - - for (i=7; i>=0; i--) - if (++seq[i]) break; - - return(md_size); - } - -int ssl3_generate_master_secret(s,out,p,len) -SSL *s; -unsigned char *out; -unsigned char *p; -int len; - { - static unsigned char *salt[3]={ - (unsigned char *)"A", - (unsigned char *)"BB", - (unsigned char *)"CCC", - }; - unsigned char buf[EVP_MAX_MD_SIZE]; - EVP_MD_CTX ctx; - int i,ret=0; - unsigned int n; - - for (i=0; i<3; i++) - { - EVP_DigestInit(&ctx,s->ctx->sha1); - EVP_DigestUpdate(&ctx,salt[i],strlen((char *)salt[i])); - EVP_DigestUpdate(&ctx,p,len); - EVP_DigestUpdate(&ctx,&(s->s3->client_random[0]), - SSL3_RANDOM_SIZE); - EVP_DigestUpdate(&ctx,&(s->s3->server_random[0]), - SSL3_RANDOM_SIZE); - EVP_DigestFinal(&ctx,buf,&n); - - EVP_DigestInit(&ctx,s->ctx->md5); - EVP_DigestUpdate(&ctx,p,len); - EVP_DigestUpdate(&ctx,buf,n); - EVP_DigestFinal(&ctx,out,&n); - out+=n; - ret+=n; - } - return(ret); - } - -int ssl3_alert_code(code) -int code; - { - switch (code) - { - case SSL_AD_CLOSE_NOTIFY: return(SSL3_AD_CLOSE_NOTIFY); - case SSL_AD_UNEXPECTED_MESSAGE: return(SSL3_AD_UNEXPECTED_MESSAGE); - case SSL_AD_BAD_RECORD_MAC: return(SSL3_AD_BAD_RECORD_MAC); - case SSL_AD_DECRYPTION_FAILED: return(SSL3_AD_BAD_RECORD_MAC); - case SSL_AD_RECORD_OVERFLOW: return(SSL3_AD_BAD_RECORD_MAC); - case SSL_AD_DECOMPRESSION_FAILURE:return(SSL3_AD_DECOMPRESSION_FAILURE); - case SSL_AD_HANDSHAKE_FAILURE: return(SSL3_AD_HANDSHAKE_FAILURE); - case SSL_AD_NO_CERTIFICATE: return(SSL3_AD_NO_CERTIFICATE); - case SSL_AD_BAD_CERTIFICATE: return(SSL3_AD_BAD_CERTIFICATE); - case SSL_AD_UNSUPPORTED_CERTIFICATE:return(SSL3_AD_UNSUPPORTED_CERTIFICATE); - case SSL_AD_CERTIFICATE_REVOKED:return(SSL3_AD_CERTIFICATE_REVOKED); - case SSL_AD_CERTIFICATE_EXPIRED:return(SSL3_AD_CERTIFICATE_EXPIRED); - case SSL_AD_CERTIFICATE_UNKNOWN:return(SSL3_AD_CERTIFICATE_UNKNOWN); - case SSL_AD_ILLEGAL_PARAMETER: return(SSL3_AD_ILLEGAL_PARAMETER); - case SSL_AD_UNKNOWN_CA: return(SSL3_AD_BAD_CERTIFICATE); - case SSL_AD_ACCESS_DENIED: return(SSL3_AD_HANDSHAKE_FAILURE); - case SSL_AD_DECODE_ERROR: return(SSL3_AD_HANDSHAKE_FAILURE); - case SSL_AD_DECRYPT_ERROR: return(SSL3_AD_HANDSHAKE_FAILURE); - case SSL_AD_EXPORT_RESTRICION: return(SSL3_AD_HANDSHAKE_FAILURE); - case SSL_AD_PROTOCOL_VERSION: return(SSL3_AD_HANDSHAKE_FAILURE); - case SSL_AD_INSUFFICIENT_SECURITY:return(SSL3_AD_HANDSHAKE_FAILURE); - case SSL_AD_INTERNAL_ERROR: return(SSL3_AD_HANDSHAKE_FAILURE); - case SSL_AD_USER_CANCLED: return(SSL3_AD_HANDSHAKE_FAILURE); - case SSL_AD_NO_RENEGOTIATION: return(-1); /* Don't send it :-) */ - default: return(-1); - } - } +void ssl3_free_digest_list(SSL *s) +{ + int i; + BIO_free(s->s3->handshake_buffer); + s->s3->handshake_buffer = NULL; + if (!s->s3->handshake_dgst) + return; + for (i = 0; i < SSL_MAX_DIGEST; i++) { + if (s->s3->handshake_dgst[i]) + EVP_MD_CTX_destroy(s->s3->handshake_dgst[i]); + } + OPENSSL_free(s->s3->handshake_dgst); + s->s3->handshake_dgst = NULL; +} + +void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len) +{ + if (s->s3->handshake_dgst == NULL) { + BIO_write(s->s3->handshake_buffer, (void *)buf, len); + } else { + int i; + for (i = 0; i < SSL_MAX_DIGEST; i++) { + if (s->s3->handshake_dgst[i] != NULL) + EVP_DigestUpdate(s->s3->handshake_dgst[i], buf, len); + } + } +} + +int ssl3_digest_cached_records(SSL *s, int keep) +{ + int i; + long mask; + const EVP_MD *md; + long hdatalen; + void *hdata; + + if (s->s3->handshake_dgst == NULL) { + /* Allocate handshake_dgst array */ + s->s3->handshake_dgst = + OPENSSL_malloc(sizeof(*s->s3->handshake_dgst) * SSL_MAX_DIGEST); + if (s->s3->handshake_dgst == NULL) { + SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, ERR_R_MALLOC_FAILURE); + return 0; + } + hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata); + if (hdatalen <= 0) { + SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, SSL_R_BAD_HANDSHAKE_LENGTH); + return 0; + } + + /* Loop through bits of algorithm2 field and create MD_CTX-es */ + for (i = 0; ssl_get_handshake_digest(i, &mask, &md); i++) { + if ((mask & ssl_get_algorithm2(s)) && md) { + s->s3->handshake_dgst[i] = EVP_MD_CTX_create(); + if (EVP_MD_nid(md) == NID_md5) { + EVP_MD_CTX_set_flags(s->s3->handshake_dgst[i], + EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); + } + EVP_DigestInit_ex(s->s3->handshake_dgst[i], md, NULL); + EVP_DigestUpdate(s->s3->handshake_dgst[i], hdata, hdatalen); + } else { + s->s3->handshake_dgst[i] = NULL; + } + } + + } + if (keep == 0) { + BIO_free(s->s3->handshake_buffer); + s->s3->handshake_buffer = NULL; + } + + return 1; +} + +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_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); +} + +static int ssl3_handshake_mac(SSL *s, int md_nid, + const char *sender, int len, unsigned char *p) +{ + unsigned int ret; + int npad, n; + unsigned int i; + unsigned char md_buf[EVP_MAX_MD_SIZE]; + EVP_MD_CTX ctx, *d = NULL; + + if (!ssl3_digest_cached_records(s, 0)) + return 0; + + /* + * Search for digest of specified type in the handshake_dgst array + */ + for (i = 0; i < SSL_MAX_DIGEST; i++) { + if (s->s3->handshake_dgst[i] + && EVP_MD_CTX_type(s->s3->handshake_dgst[i]) == md_nid) { + d = s->s3->handshake_dgst[i]; + break; + } + } + if (!d) { + SSLerr(SSL_F_SSL3_HANDSHAKE_MAC, SSL_R_NO_REQUIRED_DIGEST); + return 0; + } + EVP_MD_CTX_init(&ctx); + EVP_MD_CTX_set_flags(&ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); + EVP_MD_CTX_copy_ex(&ctx, d); + n = EVP_MD_CTX_size(&ctx); + if (n < 0) + return 0; + + npad = (48 / n) * n; + if (sender != NULL) + EVP_DigestUpdate(&ctx, sender, len); + EVP_DigestUpdate(&ctx, s->session->master_key, + s->session->master_key_length); + EVP_DigestUpdate(&ctx, ssl3_pad_1, npad); + EVP_DigestFinal_ex(&ctx, md_buf, &i); + + EVP_DigestInit_ex(&ctx, EVP_MD_CTX_md(&ctx), NULL); + EVP_DigestUpdate(&ctx, s->session->master_key, + s->session->master_key_length); + EVP_DigestUpdate(&ctx, ssl3_pad_2, npad); + EVP_DigestUpdate(&ctx, md_buf, i); + EVP_DigestFinal_ex(&ctx, p, &ret); + + EVP_MD_CTX_cleanup(&ctx); + + return ((int)ret); +} + +int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, + int len) +{ + static const unsigned char *salt[3] = { +#ifndef CHARSET_EBCDIC + (const unsigned char *)"A", + (const unsigned char *)"BB", + (const unsigned char *)"CCC", +#else + (const unsigned char *)"\x41", + (const unsigned char *)"\x42\x42", + (const unsigned char *)"\x43\x43\x43", +#endif + }; + unsigned char buf[EVP_MAX_MD_SIZE]; + EVP_MD_CTX ctx; + int i, ret = 0; + unsigned int n; +#ifdef OPENSSL_SSL_TRACE_CRYPTO + unsigned char *tmpout = out; +#endif + EVP_MD_CTX_init(&ctx); + for (i = 0; i < 3; i++) { + EVP_DigestInit_ex(&ctx, s->ctx->sha1, NULL); + EVP_DigestUpdate(&ctx, salt[i], strlen((const char *)salt[i])); + EVP_DigestUpdate(&ctx, p, len); + EVP_DigestUpdate(&ctx, &(s->s3->client_random[0]), SSL3_RANDOM_SIZE); + EVP_DigestUpdate(&ctx, &(s->s3->server_random[0]), SSL3_RANDOM_SIZE); + EVP_DigestFinal_ex(&ctx, buf, &n); + + EVP_DigestInit_ex(&ctx, s->ctx->md5, NULL); + EVP_DigestUpdate(&ctx, p, len); + EVP_DigestUpdate(&ctx, buf, n); + EVP_DigestFinal_ex(&ctx, out, &n); + out += n; + ret += n; + } + EVP_MD_CTX_cleanup(&ctx); + +#ifdef OPENSSL_SSL_TRACE_CRYPTO + if (s->msg_callback) { + s->msg_callback(2, s->version, TLS1_RT_CRYPTO_PREMASTER, + p, len, s, s->msg_callback_arg); + s->msg_callback(2, s->version, TLS1_RT_CRYPTO_CLIENT_RANDOM, + s->s3->client_random, SSL3_RANDOM_SIZE, + s, s->msg_callback_arg); + s->msg_callback(2, s->version, TLS1_RT_CRYPTO_SERVER_RANDOM, + s->s3->server_random, SSL3_RANDOM_SIZE, + s, s->msg_callback_arg); + s->msg_callback(2, s->version, TLS1_RT_CRYPTO_MASTER, + tmpout, SSL3_MASTER_SECRET_SIZE, + s, s->msg_callback_arg); + } +#endif + OPENSSL_cleanse(buf, sizeof(buf)); + return (ret); +} + +int ssl3_alert_code(int code) +{ + switch (code) { + case SSL_AD_CLOSE_NOTIFY: + return (SSL3_AD_CLOSE_NOTIFY); + case SSL_AD_UNEXPECTED_MESSAGE: + return (SSL3_AD_UNEXPECTED_MESSAGE); + case SSL_AD_BAD_RECORD_MAC: + return (SSL3_AD_BAD_RECORD_MAC); + case SSL_AD_DECRYPTION_FAILED: + return (SSL3_AD_BAD_RECORD_MAC); + case SSL_AD_RECORD_OVERFLOW: + return (SSL3_AD_BAD_RECORD_MAC); + case SSL_AD_DECOMPRESSION_FAILURE: + return (SSL3_AD_DECOMPRESSION_FAILURE); + case SSL_AD_HANDSHAKE_FAILURE: + return (SSL3_AD_HANDSHAKE_FAILURE); + case SSL_AD_NO_CERTIFICATE: + return (SSL3_AD_NO_CERTIFICATE); + case SSL_AD_BAD_CERTIFICATE: + return (SSL3_AD_BAD_CERTIFICATE); + case SSL_AD_UNSUPPORTED_CERTIFICATE: + return (SSL3_AD_UNSUPPORTED_CERTIFICATE); + case SSL_AD_CERTIFICATE_REVOKED: + return (SSL3_AD_CERTIFICATE_REVOKED); + case SSL_AD_CERTIFICATE_EXPIRED: + return (SSL3_AD_CERTIFICATE_EXPIRED); + case SSL_AD_CERTIFICATE_UNKNOWN: + return (SSL3_AD_CERTIFICATE_UNKNOWN); + case SSL_AD_ILLEGAL_PARAMETER: + return (SSL3_AD_ILLEGAL_PARAMETER); + case SSL_AD_UNKNOWN_CA: + return (SSL3_AD_BAD_CERTIFICATE); + case SSL_AD_ACCESS_DENIED: + return (SSL3_AD_HANDSHAKE_FAILURE); + case SSL_AD_DECODE_ERROR: + return (SSL3_AD_HANDSHAKE_FAILURE); + case SSL_AD_DECRYPT_ERROR: + return (SSL3_AD_HANDSHAKE_FAILURE); + case SSL_AD_EXPORT_RESTRICTION: + return (SSL3_AD_HANDSHAKE_FAILURE); + case SSL_AD_PROTOCOL_VERSION: + return (SSL3_AD_HANDSHAKE_FAILURE); + case SSL_AD_INSUFFICIENT_SECURITY: + return (SSL3_AD_HANDSHAKE_FAILURE); + case SSL_AD_INTERNAL_ERROR: + return (SSL3_AD_HANDSHAKE_FAILURE); + case SSL_AD_USER_CANCELLED: + return (SSL3_AD_HANDSHAKE_FAILURE); + case SSL_AD_NO_RENEGOTIATION: + return (-1); /* Don't send it :-) */ + case SSL_AD_UNSUPPORTED_EXTENSION: + return (SSL3_AD_HANDSHAKE_FAILURE); + case SSL_AD_CERTIFICATE_UNOBTAINABLE: + return (SSL3_AD_HANDSHAKE_FAILURE); + case SSL_AD_UNRECOGNIZED_NAME: + return (SSL3_AD_HANDSHAKE_FAILURE); + case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: + return (SSL3_AD_HANDSHAKE_FAILURE); + case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: + return (SSL3_AD_HANDSHAKE_FAILURE); + case SSL_AD_UNKNOWN_PSK_IDENTITY: + return (TLS1_AD_UNKNOWN_PSK_IDENTITY); + case SSL_AD_INAPPROPRIATE_FALLBACK: + return (TLS1_AD_INAPPROPRIATE_FALLBACK); + default: + return (-1); + } +}