X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=ssl%2Ft1_enc.c;h=b482f6cf9c0dd0b2c74db3a03763c34859a82600;hp=893c0bc73bf246e3d3aca16a0923fab6d8a811db;hb=d1776fdecd6a8677a281a85498a74a8480739689;hpb=31b8d8684441e6cd5138832bb1b2ddb10acd6ba6 diff --git a/ssl/t1_enc.c b/ssl/t1_enc.c index 893c0bc73b..6b3a73e39e 100644 --- a/ssl/t1_enc.c +++ b/ssl/t1_enc.c @@ -1,25 +1,24 @@ -/* ssl/t1_enc.c */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * 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 +33,10 @@ * 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 @@ -49,610 +48,757 @@ * 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 "hmac.h" #include "ssl_locl.h" +#ifndef OPENSSL_NO_COMP +# include +#endif +#include +#include +#include + +/* seed1 through seed5 are concatenated */ +static int tls1_PRF(SSL *s, + const void *seed1, int seed1_len, + const void *seed2, int seed2_len, + const void *seed3, int seed3_len, + const void *seed4, int seed4_len, + const void *seed5, int seed5_len, + const unsigned char *sec, int slen, + unsigned char *out, int olen) +{ + const EVP_MD *md = ssl_prf_md(s); + EVP_PKEY_CTX *pctx = NULL; + + int ret = 0; + size_t outlen = olen; + + if (md == NULL) { + /* Should never happen */ + SSLerr(SSL_F_TLS1_PRF, ERR_R_INTERNAL_ERROR); + return 0; + } + pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_TLS1_PRF, NULL); + if (pctx == NULL || EVP_PKEY_derive_init(pctx) <= 0 + || EVP_PKEY_CTX_set_tls1_prf_md(pctx, md) <= 0 + || EVP_PKEY_CTX_set1_tls1_prf_secret(pctx, sec, slen) <= 0) + goto err; + + if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed1, seed1_len) <= 0) + goto err; + if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed2, seed2_len) <= 0) + goto err; + if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed3, seed3_len) <= 0) + goto err; + if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed4, seed4_len) <= 0) + goto err; + if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed5, seed5_len) <= 0) + goto err; + + if (EVP_PKEY_derive(pctx, out, &outlen) <= 0) + goto err; + ret = 1; + + err: + EVP_PKEY_CTX_free(pctx); + return ret; +} + +static int tls1_generate_key_block(SSL *s, unsigned char *km, int num) +{ + int ret; + ret = tls1_PRF(s, + TLS_MD_KEY_EXPANSION_CONST, + TLS_MD_KEY_EXPANSION_CONST_SIZE, s->s3->server_random, + SSL3_RANDOM_SIZE, s->s3->client_random, SSL3_RANDOM_SIZE, + NULL, 0, NULL, 0, s->session->master_key, + s->session->master_key_length, km, num); + + return ret; +} + +int tls1_change_cipher_state(SSL *s, int which) +{ + unsigned char *p, *mac_secret; + unsigned char tmp1[EVP_MAX_KEY_LENGTH]; + unsigned char tmp2[EVP_MAX_KEY_LENGTH]; + unsigned char iv1[EVP_MAX_IV_LENGTH * 2]; + unsigned char iv2[EVP_MAX_IV_LENGTH * 2]; + unsigned char *ms, *key, *iv; + EVP_CIPHER_CTX *dd; + const EVP_CIPHER *c; +#ifndef OPENSSL_NO_COMP + const SSL_COMP *comp; +#endif + const EVP_MD *m; + int mac_type; + int *mac_secret_size; + EVP_MD_CTX *mac_ctx; + EVP_PKEY *mac_key; + int n, i, j, k, cl; + int reuse_dd = 0; + + c = s->s3->tmp.new_sym_enc; + m = s->s3->tmp.new_hash; + mac_type = s->s3->tmp.new_mac_pkey_type; +#ifndef OPENSSL_NO_COMP + comp = s->s3->tmp.new_compression; +#endif -static void tls1_P_hash(md,sec,sec_len,seed,seed_len,out,olen) -EVP_MD *md; -unsigned char *sec; -int sec_len; -unsigned char *seed; -int seed_len; -unsigned char *out; -int olen; - { - int chunk,n; - unsigned int j; - HMAC_CTX ctx; - HMAC_CTX ctx_tmp; - unsigned char A1[HMAC_MAX_MD_CBLOCK]; - unsigned int A1_len; - - chunk=EVP_MD_size(md); - - HMAC_Init(&ctx,sec,sec_len,md); - HMAC_Update(&ctx,seed,seed_len); - HMAC_Final(&ctx,A1,&A1_len); - - n=0; - for (;;) - { - HMAC_Init(&ctx,NULL,0,NULL); /* re-init */ - HMAC_Update(&ctx,A1,A1_len); - memcpy(&ctx_tmp,&ctx,sizeof(ctx)); /* Copy for A2 */ /* not needed for last one */ - HMAC_Update(&ctx,seed,seed_len); - - if (olen > chunk) - { - HMAC_Final(&ctx,out,&j); - out+=j; - olen-=j; - HMAC_Final(&ctx_tmp,A1,&A1_len); /* calc the next A1 value */ - } - else /* last one */ - { - HMAC_Final(&ctx,A1,&A1_len); - memcpy(out,A1,olen); - break; - } - } - HMAC_cleanup(&ctx); - HMAC_cleanup(&ctx_tmp); - memset(A1,0,sizeof(A1)); - } - -static void tls1_PRF(md5,sha1,label,label_len,sec,slen,out1,out2,olen) -EVP_MD *md5; -EVP_MD *sha1; -unsigned char *label; -int label_len; -unsigned char *sec; -int slen; -unsigned char *out1; -unsigned char *out2; -int olen; - { - int len,i; - unsigned char *S1,*S2; - - len=slen/2; - S1=sec; - S2= &(sec[len]); - len+=(slen&1); /* add for odd, make longer */ - - - tls1_P_hash(md5 ,S1,len,label,label_len,out1,olen); - tls1_P_hash(sha1,S2,len,label,label_len,out2,olen); - - for (i=0; is3->server_random,SSL3_RANDOM_SIZE); - p+=SSL3_RANDOM_SIZE; - memcpy(p,s->s3->client_random,SSL3_RANDOM_SIZE); - p+=SSL3_RANDOM_SIZE; - - tls1_PRF(s->ctx->md5,s->ctx->sha1,buf,(int)(p-buf), - s->session->master_key,s->session->master_key_length, - km,tmp,num); - } - -int tls1_change_cipher_state(s,which) -SSL *s; -int which; - { - unsigned char *p,*key_block,*mac_secret; - unsigned char *exp_label,buf[TLS_MD_MAX_CONST_SIZE+ - SSL3_RANDOM_SIZE*2]; - unsigned char tmp1[EVP_MAX_KEY_LENGTH]; - unsigned char tmp2[EVP_MAX_KEY_LENGTH]; - unsigned char iv1[EVP_MAX_IV_LENGTH*2]; - unsigned char iv2[EVP_MAX_IV_LENGTH*2]; - unsigned char *ms,*key,*iv,*er1,*er2; - int client_write; - EVP_CIPHER_CTX *dd; - EVP_CIPHER *c; - COMP_METHOD *comp; - EVP_MD *m; - int exp,n,i,j,k,exp_label_len; - - exp=(s->s3->tmp.new_cipher->algorithms & SSL_EXPORT)?1:0; - c=s->s3->tmp.new_sym_enc; - m=s->s3->tmp.new_hash; - comp=s->s3->tmp.new_compression; - 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; - 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_TLS1_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR); - goto err2; - } - s->s3->rrec.comp=(unsigned char *) - Malloc(SSL3_RT_MAX_ENCRYPTED_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; - 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_TLS1_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); - j=(exp)?5:EVP_CIPHER_key_length(c); - k=EVP_CIPHER_iv_length(c); - er1= &(s->s3->client_random[0]); - er2= &(s->s3->server_random[0]); - 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; - exp_label=(unsigned char *)TLS_MD_CLIENT_WRITE_KEY_CONST; - exp_label_len=TLS_MD_CLIENT_WRITE_KEY_CONST_SIZE; - client_write=1; - } - else - { - n=i; - ms= &(p[ n]); n+=i+j; - key= &(p[ n]); n+=j+k; - iv= &(p[ n]); n+=k; - exp_label=(unsigned char *)TLS_MD_SERVER_WRITE_KEY_CONST; - exp_label_len=TLS_MD_SERVER_WRITE_KEY_CONST_SIZE; - client_write=0; - } - - if (n > s->s3->tmp.key_block_length) - { - SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,SSL_R_INTERNAL_ERROR); - goto err2; - } - - memcpy(mac_secret,ms,i); -#ifdef TLS_DEBUG -printf("which = %04X\nmac key=",which); -{ int z; for (z=0; zs3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC) + s->mac_flags |= SSL_MAC_FLAG_READ_MAC_STREAM; + else + s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_STREAM; + + if (s->enc_read_ctx != NULL) + reuse_dd = 1; + else if ((s->enc_read_ctx = EVP_CIPHER_CTX_new()) == NULL) + goto err; + else + /* + * make sure it's intialized in case we exit later with an error + */ + EVP_CIPHER_CTX_reset(s->enc_read_ctx); + dd = s->enc_read_ctx; + mac_ctx = ssl_replace_hash(&s->read_hash, NULL); + if (mac_ctx == NULL) + goto err; +#ifndef OPENSSL_NO_COMP + COMP_CTX_free(s->expand); + s->expand = NULL; + if (comp != NULL) { + s->expand = COMP_CTX_new(comp->method); + if (s->expand == NULL) { + SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, + SSL_R_COMPRESSION_LIBRARY_ERROR); + goto err2; + } + if (!RECORD_LAYER_setup_comp_buffer(&s->rlayer)) + goto err; + } #endif - 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 :-). - */ - p=buf; - memcpy(p,exp_label,exp_label_len); - p+=exp_label_len; - memcpy(p,s->s3->client_random,SSL3_RANDOM_SIZE); - p+=SSL3_RANDOM_SIZE; - memcpy(p,s->s3->server_random,SSL3_RANDOM_SIZE); - p+=SSL3_RANDOM_SIZE; - tls1_PRF(s->ctx->md5,s->ctx->sha1,buf,(int)(p-buf),key,j, - tmp1,tmp2,EVP_CIPHER_key_length(c)); - key=tmp1; - - if (k > 0) - { - p=buf; - memcpy(p,TLS_MD_IV_BLOCK_CONST, - TLS_MD_IV_BLOCK_CONST_SIZE); - p+=TLS_MD_IV_BLOCK_CONST_SIZE; - memcpy(p,s->s3->client_random,SSL3_RANDOM_SIZE); - p+=SSL3_RANDOM_SIZE; - memcpy(p,s->s3->server_random,SSL3_RANDOM_SIZE); - p+=SSL3_RANDOM_SIZE; - tls1_PRF(s->ctx->md5,s->ctx->sha1, - buf,(int)(p-buf),"",0,iv1,iv2,k*2); - if (client_write) - iv=iv1; - else - iv= &(iv1[k]); - } - } - - s->session->key_arg_length=0; - - EVP_CipherInit(dd,c,key,iv,(which & SSL3_CC_WRITE)); -#ifdef TLS_DEBUG -printf("which = %04X\nkey=",which); -{ int z; for (z=0; zrlayer); + mac_secret = &(s->s3->read_mac_secret[0]); + mac_secret_size = &(s->s3->read_mac_secret_size); + } else { + if (s->s3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC) + s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_STREAM; + else + s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_STREAM; + if (s->enc_write_ctx != NULL && !SSL_IS_DTLS(s)) + reuse_dd = 1; + else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL) + goto err; + dd = s->enc_write_ctx; + if (SSL_IS_DTLS(s)) { + mac_ctx = EVP_MD_CTX_new(); + if (mac_ctx == NULL) + goto err; + s->write_hash = mac_ctx; + } else { + mac_ctx = ssl_replace_hash(&s->write_hash, NULL); + if (mac_ctx == NULL) + goto err; + } +#ifndef OPENSSL_NO_COMP + COMP_CTX_free(s->compress); + s->compress = NULL; + if (comp != NULL) { + s->compress = COMP_CTX_new(comp->method); + if (s->compress == NULL) { + SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, + SSL_R_COMPRESSION_LIBRARY_ERROR); + goto err2; + } + } +#endif + /* + * this is done by dtls1_reset_seq_numbers for DTLS + */ + if (!SSL_IS_DTLS(s)) + RECORD_LAYER_reset_write_sequence(&s->rlayer); + mac_secret = &(s->s3->write_mac_secret[0]); + mac_secret_size = &(s->s3->write_mac_secret_size); + } + + if (reuse_dd) + EVP_CIPHER_CTX_reset(dd); + + p = s->s3->tmp.key_block; + i = *mac_secret_size = s->s3->tmp.new_mac_secret_size; + + cl = EVP_CIPHER_key_length(c); + j = cl; + /* Was j=(exp)?5:EVP_CIPHER_key_length(c); */ + /* If GCM/CCM mode only part of IV comes from PRF */ + if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE) + k = EVP_GCM_TLS_FIXED_IV_LEN; + else if (EVP_CIPHER_mode(c) == EVP_CIPH_CCM_MODE) + k = EVP_CCM_TLS_FIXED_IV_LEN; + else + 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; + } else { + n = i; + ms = &(p[n]); + n += i + j; + key = &(p[n]); + n += j + k; + iv = &(p[n]); + n += k; + } + + if (n > s->s3->tmp.key_block_length) { + SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); + goto err2; + } + + memcpy(mac_secret, ms, i); + + if (!(EVP_CIPHER_flags(c) & EVP_CIPH_FLAG_AEAD_CIPHER)) { + mac_key = EVP_PKEY_new_mac_key(mac_type, NULL, + mac_secret, *mac_secret_size); + if (mac_key == NULL + || EVP_DigestSignInit(mac_ctx, NULL, m, NULL, mac_key) <= 0) { + EVP_PKEY_free(mac_key); + SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); + goto err2; + } + EVP_PKEY_free(mac_key); + } +#ifdef SSL_DEBUG + printf("which = %04X\nmac key=", which); + { + int z; + for (z = 0; z < i; z++) + printf("%02X%c", ms[z], ((z + 1) % 16) ? ' ' : '\n'); + } #endif - memset(tmp1,0,sizeof(tmp1)); - memset(tmp2,0,sizeof(tmp1)); - memset(iv1,0,sizeof(iv1)); - memset(iv2,0,sizeof(iv2)); - return(1); -err: - SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,ERR_R_MALLOC_FAILURE); -err2: - return(0); - } - -int tls1_setup_key_block(s) -SSL *s; - { - unsigned char *p1,*p2; - EVP_CIPHER *c; - EVP_MD *hash; - int num,exp; - - if (s->s3->tmp.key_block_length != 0) - return(1); - - if (!ssl_cipher_get_evp(s->session->cipher,&c,&hash)) - { - SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,SSL_R_CIPHER_OR_HASH_UNAVAILABLE); - return(0); - } - - s->s3->tmp.new_sym_enc=c; - s->s3->tmp.new_hash=hash; - - exp=(s->session->cipher->algorithms & SSL_EXPORT)?1:0; - - num=EVP_CIPHER_key_length(c)+EVP_MD_size(hash)+EVP_CIPHER_iv_length(c); - num*=2; - - ssl3_cleanup_key_block(s); - - if ((p1=(unsigned char *)Malloc(num)) == NULL) - goto err; - if ((p2=(unsigned char *)Malloc(num)) == NULL) - goto err; - - s->s3->tmp.key_block_length=num; - s->s3->tmp.key_block=p1; - - -#ifdef TLS_DEBUG -printf("client random\n"); -{ int z; for (z=0; zs3->client_random[z],((z+1)%16)?' ':'\n'); } -printf("server random\n"); -{ int z; for (z=0; zs3->server_random[z],((z+1)%16)?' ':'\n'); } -printf("pre-master\n"); -{ int z; for (z=0; zsession->master_key_length; z++) printf("%02X%c",s->session->master_key[z],((z+1)%16)?' ':'\n'); } + if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE) { + if (!EVP_CipherInit_ex(dd, c, NULL, key, NULL, (which & SSL3_CC_WRITE)) + || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_GCM_SET_IV_FIXED, k, iv)) { + SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); + goto err2; + } + } else if (EVP_CIPHER_mode(c) == EVP_CIPH_CCM_MODE) { + int taglen; + if (s->s3->tmp.new_cipher->algorithm_enc & (SSL_AES128CCM8|SSL_AES256CCM8)) + taglen = 8; + else + taglen = 16; + if (!EVP_CipherInit_ex(dd, c, NULL, NULL, NULL, (which & SSL3_CC_WRITE)) + || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_IVLEN, 12, NULL) + || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_TAG, taglen, NULL) + || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_CCM_SET_IV_FIXED, k, iv) + || !EVP_CipherInit_ex(dd, NULL, NULL, key, NULL, -1)) { + SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); + goto err2; + } + } else { + if (!EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE))) { + SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); + goto err2; + } + } + /* Needed for "composite" AEADs, such as RC4-HMAC-MD5 */ + if ((EVP_CIPHER_flags(c) & EVP_CIPH_FLAG_AEAD_CIPHER) && *mac_secret_size + && !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_MAC_KEY, + *mac_secret_size, mac_secret)) { + SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR); + goto err2; + } +#ifdef OPENSSL_SSL_TRACE_CRYPTO + if (s->msg_callback) { + int wh = which & SSL3_CC_WRITE ? TLS1_RT_CRYPTO_WRITE : 0; + if (*mac_secret_size) + s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_MAC, + mac_secret, *mac_secret_size, + 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) { + if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE) + wh |= TLS1_RT_CRYPTO_FIXED_IV; + else + wh |= TLS1_RT_CRYPTO_IV; + s->msg_callback(2, s->version, wh, iv, k, s, s->msg_callback_arg); + } + } #endif - tls1_generate_key_block(s,p1,p2,num); - memset(p2,0,num); - Free(p2); -#ifdef TLS_DEBUG -printf("\nkey block\n"); -{ int z; for (z=0; zwrite_hash != NULL) - n=EVP_MD_size(s->write_hash); - 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 - { - if (s->read_hash != NULL) - n=EVP_MD_size(s->read_hash); - 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); - - if ((bs != 1) && send) - { - i=bs-((int)l%bs); - - /* Add weird padding of upto 256 bytes */ - - /* we need to add 'i' padding bytes of value j */ - j=i-1; - if (s->options & SSL_OP_TLS_BLOCK_PADDING_BUG) - { - if (s->s3->flags & TLS1_FLAGS_TLS_PADDING_BUG) - j++; - } - for (k=(int)l; k<(int)(l+i); k++) - rec->input[k]=j; - l+=i; - rec->length+=i; - } - - EVP_Cipher(ds,rec->data,rec->input,l); - - if ((bs != 1) && !send) - { - ii=i=rec->data[l-1]; - i++; - if (s->options&SSL_OP_TLS_BLOCK_PADDING_BUG) - { - /* First packet is even in size, so check */ - if ((memcmp(s->s3->read_sequence, - "\0\0\0\0\0\0\0\0",8) == 0) && !(ii & 1)) - s->s3->flags|=TLS1_FLAGS_TLS_PADDING_BUG; - if (s->s3->flags & TLS1_FLAGS_TLS_PADDING_BUG) - i--; - } - if (i > (int)rec->length) - { - SSLerr(SSL_F_TLS1_ENC,SSL_R_BLOCK_CIPHER_PAD_IS_WRONG); - ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECRYPTION_FAILED); - return(0); - } - for (j=(int)(l-i); j<(int)l; j++) - { - if (rec->data[j] != ii) - { - SSLerr(SSL_F_TLS1_ENC,SSL_R_DECRYPTION_FAILED); - ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECRYPTION_FAILED); - return(0); - } - } - rec->length-=i; - } - } - return(1); - } - -int tls1_cert_verify_mac(s,in_ctx,out) -SSL *s; -EVP_MD_CTX *in_ctx; -unsigned char *out; - { - unsigned int ret; - EVP_MD_CTX ctx; - - memcpy(&ctx,in_ctx,sizeof(EVP_MD_CTX)); - EVP_DigestFinal(&ctx,out,&ret); - return((int)ret); - } - -int tls1_final_finish_mac(s,in1_ctx,in2_ctx,str,slen,out) -SSL *s; -EVP_MD_CTX *in1_ctx,*in2_ctx; -unsigned char *str; -int slen; -unsigned char *out; - { - unsigned int i; - EVP_MD_CTX ctx; - unsigned char buf[TLS_MD_MAX_CONST_SIZE+MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH]; - unsigned char *q,buf2[12]; - - q=buf; - memcpy(q,str,slen); - q+=slen; - - memcpy(&ctx,in1_ctx,sizeof(EVP_MD_CTX)); - EVP_DigestFinal(&ctx,q,&i); - q+=i; - memcpy(&ctx,in2_ctx,sizeof(EVP_MD_CTX)); - EVP_DigestFinal(&ctx,q,&i); - q+=i; - - tls1_PRF(s->ctx->md5,s->ctx->sha1,buf,(int)(q-buf), - s->session->master_key,s->session->master_key_length, - out,buf2,12); - memset(&ctx,0,sizeof(EVP_MD_CTX)); - - return((int)12); - } - -int tls1_mac(ssl,md,send) -SSL *ssl; -unsigned char *md; -int send; - { - SSL3_RECORD *rec; - unsigned char *mac_sec,*seq; - EVP_MD *hash; - unsigned int md_size; - int i; - HMAC_CTX hmac; - unsigned char buf[5]; - - 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); - - buf[0]=rec->type; - buf[1]=TLS1_VERSION_MAJOR; - buf[2]=TLS1_VERSION_MINOR; - buf[3]=rec->length>>8; - buf[4]=rec->length&0xff; - - /* I should fix this up TLS TLS TLS TLS TLS XXXXXXXX */ - HMAC_Init(&hmac,mac_sec,EVP_MD_size(hash),hash); - HMAC_Update(&hmac,seq,8); - HMAC_Update(&hmac,buf,5); - HMAC_Update(&hmac,rec->input,rec->length); - HMAC_Final(&hmac,md,&md_size); - -#ifdef TLS_DEBUG -printf("sec="); -{unsigned int z; for (z=0; zs3->tmp.key_block_length != 0) + return (1); + + if (!ssl_cipher_get_evp + (s->session, &c, &hash, &mac_type, &mac_secret_size, &comp, + SSL_USE_ETM(s))) { + SSLerr(SSL_F_TLS1_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_mac_pkey_type = mac_type; + s->s3->tmp.new_mac_secret_size = mac_secret_size; + num = + EVP_CIPHER_key_length(c) + mac_secret_size + EVP_CIPHER_iv_length(c); + num *= 2; + + ssl3_cleanup_key_block(s); + + if ((p = OPENSSL_malloc(num)) == NULL) { + SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK, ERR_R_MALLOC_FAILURE); + goto err; + } + + s->s3->tmp.key_block_length = num; + s->s3->tmp.key_block = p; + +#ifdef SSL_DEBUG + printf("client random\n"); + { + int z; + for (z = 0; z < SSL3_RANDOM_SIZE; z++) + printf("%02X%c", s->s3->client_random[z], + ((z + 1) % 16) ? ' ' : '\n'); + } + printf("server random\n"); + { + int z; + for (z = 0; z < SSL3_RANDOM_SIZE; z++) + printf("%02X%c", s->s3->server_random[z], + ((z + 1) % 16) ? ' ' : '\n'); + } + printf("master key\n"); + { + int z; + for (z = 0; z < s->session->master_key_length; z++) + printf("%02X%c", s->session->master_key[z], + ((z + 1) % 16) ? ' ' : '\n'); + } +#endif + if (!tls1_generate_key_block(s, p, num)) + goto err; +#ifdef SSL_DEBUG + printf("\nkey block\n"); + { + int z; + for (z = 0; z < num; z++) + printf("%02X%c", p[z], ((z + 1) % 16) ? ' ' : '\n'); + } #endif - for (i=7; i>=0; i--) - if (++seq[i]) break; + if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS) + && s->method->version <= TLS1_VERSION) { + /* + * 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 + } + } + + ret = 1; + err: + return (ret); +} + +int tls1_final_finish_mac(SSL *s, const char *str, int slen, + unsigned char *out) +{ + int hashlen; + unsigned char hash[EVP_MAX_MD_SIZE]; + + if (!ssl3_digest_cached_records(s, 0)) + return 0; + + hashlen = ssl_handshake_hash(s, hash, sizeof(hash)); + + if (hashlen == 0) + return 0; + + if (!tls1_PRF(s, str, slen, hash, hashlen, NULL, 0, NULL, 0, NULL, 0, + s->session->master_key, s->session->master_key_length, + out, TLS1_FINISH_MAC_LENGTH)) + return 0; + OPENSSL_cleanse(hash, hashlen); + return TLS1_FINISH_MAC_LENGTH; +} + +int tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, + int len) +{ + if (s->session->flags & SSL_SESS_FLAG_EXTMS) { + unsigned char hash[EVP_MAX_MD_SIZE * 2]; + int hashlen; + /* Digest cached records keeping record buffer (if present): + * this wont affect client auth because we're freezing the buffer + * at the same point (after client key exchange and before certificate + * verify) + */ + if (!ssl3_digest_cached_records(s, 1)) + return -1; + hashlen = ssl_handshake_hash(s, hash, sizeof(hash)); +#ifdef SSL_DEBUG + fprintf(stderr, "Handshake hashes:\n"); + BIO_dump_fp(stderr, (char *)hash, hashlen); +#endif + tls1_PRF(s, + TLS_MD_EXTENDED_MASTER_SECRET_CONST, + TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE, + hash, hashlen, + NULL, 0, + NULL, 0, + NULL, 0, p, len, s->session->master_key, + SSL3_MASTER_SECRET_SIZE); + OPENSSL_cleanse(hash, hashlen); + } else { + tls1_PRF(s, + TLS_MD_MASTER_SECRET_CONST, + TLS_MD_MASTER_SECRET_CONST_SIZE, + s->s3->client_random, SSL3_RANDOM_SIZE, + NULL, 0, + s->s3->server_random, SSL3_RANDOM_SIZE, + NULL, 0, p, len, s->session->master_key, + SSL3_MASTER_SECRET_SIZE); + } +#ifdef SSL_DEBUG + fprintf(stderr, "Premaster Secret:\n"); + BIO_dump_fp(stderr, (char *)p, len); + fprintf(stderr, "Client Random:\n"); + BIO_dump_fp(stderr, (char *)s->s3->client_random, SSL3_RANDOM_SIZE); + fprintf(stderr, "Server Random:\n"); + BIO_dump_fp(stderr, (char *)s->s3->server_random, SSL3_RANDOM_SIZE); + fprintf(stderr, "Master Secret:\n"); + BIO_dump_fp(stderr, (char *)s->session->master_key, + SSL3_MASTER_SECRET_SIZE); +#endif -#ifdef TLS_DEBUG -{unsigned int z; for (z=0; zmsg_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, + s->session->master_key, + SSL3_MASTER_SECRET_SIZE, s, s->msg_callback_arg); + } #endif - return(md_size); - } - -int tls1_generate_master_secret(s,out,p,len) -SSL *s; -unsigned char *out; -unsigned char *p; -int len; - { - unsigned char buf[SSL3_RANDOM_SIZE*2+TLS_MD_MASTER_SECRET_CONST_SIZE]; - unsigned char buff[SSL_MAX_MASTER_KEY_LENGTH]; - - /* Setup the stuff to munge */ - memcpy(buf,TLS_MD_MASTER_SECRET_CONST, - TLS_MD_MASTER_SECRET_CONST_SIZE); - memcpy(&(buf[TLS_MD_MASTER_SECRET_CONST_SIZE]), - s->s3->client_random,SSL3_RANDOM_SIZE); - memcpy(&(buf[SSL3_RANDOM_SIZE+TLS_MD_MASTER_SECRET_CONST_SIZE]), - s->s3->server_random,SSL3_RANDOM_SIZE); - tls1_PRF(s->ctx->md5,s->ctx->sha1, - buf,TLS_MD_MASTER_SECRET_CONST_SIZE+SSL3_RANDOM_SIZE*2,p,len, - s->session->master_key,buff,SSL3_MASTER_SECRET_SIZE); - return(SSL3_MASTER_SECRET_SIZE); - } - -int tls1_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(TLS1_AD_DECRYPTION_FAILED); - case SSL_AD_RECORD_OVERFLOW: return(TLS1_AD_RECORD_OVERFLOW); - 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(-1); - 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(TLS1_AD_UNKNOWN_CA); - case SSL_AD_ACCESS_DENIED: return(TLS1_AD_ACCESS_DENIED); - case SSL_AD_DECODE_ERROR: return(TLS1_AD_DECODE_ERROR); - case SSL_AD_DECRYPT_ERROR: return(TLS1_AD_DECRYPT_ERROR); - case SSL_AD_EXPORT_RESTRICION: return(TLS1_AD_EXPORT_RESTRICION); - case SSL_AD_PROTOCOL_VERSION: return(TLS1_AD_PROTOCOL_VERSION); - case SSL_AD_INSUFFICIENT_SECURITY:return(TLS1_AD_INSUFFICIENT_SECURITY); - case SSL_AD_INTERNAL_ERROR: return(TLS1_AD_INTERNAL_ERROR); - case SSL_AD_USER_CANCLED: return(TLS1_AD_USER_CANCLED); - case SSL_AD_NO_RENEGOTIATION: return(TLS1_AD_NO_RENEGOTIATION); - default: return(-1); - } - } + return (SSL3_MASTER_SECRET_SIZE); +} + +int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, + const char *label, size_t llen, + const unsigned char *context, + size_t contextlen, int use_context) +{ + unsigned char *buff; + unsigned char *val = NULL; + size_t vallen = 0, currentvalpos; + int rv; + + buff = OPENSSL_malloc(olen); + if (buff == NULL) + goto err2; + + /* + * construct PRF arguments we construct the PRF argument ourself rather + * than passing separate values into the TLS PRF to ensure that the + * concatenation of values does not create a prohibited label. + */ + vallen = llen + SSL3_RANDOM_SIZE * 2; + if (use_context) { + vallen += 2 + contextlen; + } + + val = OPENSSL_malloc(vallen); + if (val == NULL) + goto err2; + currentvalpos = 0; + memcpy(val + currentvalpos, (unsigned char *)label, llen); + currentvalpos += llen; + memcpy(val + currentvalpos, s->s3->client_random, SSL3_RANDOM_SIZE); + currentvalpos += SSL3_RANDOM_SIZE; + memcpy(val + currentvalpos, s->s3->server_random, SSL3_RANDOM_SIZE); + currentvalpos += SSL3_RANDOM_SIZE; + + if (use_context) { + val[currentvalpos] = (contextlen >> 8) & 0xff; + currentvalpos++; + val[currentvalpos] = contextlen & 0xff; + currentvalpos++; + if ((contextlen > 0) || (context != NULL)) { + memcpy(val + currentvalpos, context, contextlen); + } + } + + /* + * disallow prohibited labels note that SSL3_RANDOM_SIZE > max(prohibited + * label len) = 15, so size of val > max(prohibited label len) = 15 and + * the comparisons won't have buffer overflow + */ + if (memcmp(val, TLS_MD_CLIENT_FINISH_CONST, + TLS_MD_CLIENT_FINISH_CONST_SIZE) == 0) + goto err1; + if (memcmp(val, TLS_MD_SERVER_FINISH_CONST, + TLS_MD_SERVER_FINISH_CONST_SIZE) == 0) + goto err1; + if (memcmp(val, TLS_MD_MASTER_SECRET_CONST, + TLS_MD_MASTER_SECRET_CONST_SIZE) == 0) + goto err1; + if (memcmp(val, TLS_MD_EXTENDED_MASTER_SECRET_CONST, + TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE) == 0) + goto err1; + if (memcmp(val, TLS_MD_KEY_EXPANSION_CONST, + TLS_MD_KEY_EXPANSION_CONST_SIZE) == 0) + goto err1; + + rv = tls1_PRF(s, + val, vallen, + NULL, 0, + NULL, 0, + NULL, 0, + NULL, 0, + s->session->master_key, s->session->master_key_length, + out, olen); + + goto ret; + err1: + SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, + SSL_R_TLS_ILLEGAL_EXPORTER_LABEL); + rv = 0; + goto ret; + err2: + SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, ERR_R_MALLOC_FAILURE); + rv = 0; + ret: + OPENSSL_clear_free(val, vallen); + OPENSSL_clear_free(buff, olen); + return (rv); +} + +int tls1_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 (TLS1_AD_DECRYPTION_FAILED); + case SSL_AD_RECORD_OVERFLOW: + return (TLS1_AD_RECORD_OVERFLOW); + 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 (-1); + 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 (TLS1_AD_UNKNOWN_CA); + case SSL_AD_ACCESS_DENIED: + return (TLS1_AD_ACCESS_DENIED); + case SSL_AD_DECODE_ERROR: + return (TLS1_AD_DECODE_ERROR); + case SSL_AD_DECRYPT_ERROR: + return (TLS1_AD_DECRYPT_ERROR); + case SSL_AD_EXPORT_RESTRICTION: + return (TLS1_AD_EXPORT_RESTRICTION); + case SSL_AD_PROTOCOL_VERSION: + return (TLS1_AD_PROTOCOL_VERSION); + case SSL_AD_INSUFFICIENT_SECURITY: + return (TLS1_AD_INSUFFICIENT_SECURITY); + case SSL_AD_INTERNAL_ERROR: + return (TLS1_AD_INTERNAL_ERROR); + case SSL_AD_USER_CANCELLED: + return (TLS1_AD_USER_CANCELLED); + case SSL_AD_NO_RENEGOTIATION: + return (TLS1_AD_NO_RENEGOTIATION); + case SSL_AD_UNSUPPORTED_EXTENSION: + return (TLS1_AD_UNSUPPORTED_EXTENSION); + case SSL_AD_CERTIFICATE_UNOBTAINABLE: + return (TLS1_AD_CERTIFICATE_UNOBTAINABLE); + case SSL_AD_UNRECOGNIZED_NAME: + return (TLS1_AD_UNRECOGNIZED_NAME); + case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: + return (TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE); + case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: + return (TLS1_AD_BAD_CERTIFICATE_HASH_VALUE); + 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); + } +}