Upgrade chrome's OpenSSL to same version Android ships with.

openssl/ssl/t1_enc.c

 /* 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
@@ skipping 38 matching lines @@
  * 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) 1998-2002 The OpenSSL Project.  All rights reserved.
+ * 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
@@ skipping 31 matching lines @@
  * 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 <stdio.h>
 #include "ssl_locl.h"
 #ifndef OPENSSL_NO_COMP
 #include <openssl/comp.h>
 #endif
 #include <openssl/evp.h>
 #include <openssl/hmac.h>
 #include <openssl/md5.h>
 #ifdef KSSL_DEBUG
 #include <openssl/des.h>
 #endif
 
-static void tls1_P_hash(const EVP_MD *md, const unsigned char *sec,
-                        int sec_len, unsigned char *seed, int seed_len,
+/* seed1 through seed5 are virtually concatenated */
+static int tls1_P_hash(const EVP_MD *md, const unsigned char *sec,
+                        int sec_len,
+                        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,
                         unsigned char *out, int olen)
         {
-        int chunk,n;
+        int chunk;
         unsigned int j;
         HMAC_CTX ctx;
         HMAC_CTX ctx_tmp;
         unsigned char A1[EVP_MAX_MD_SIZE];
         unsigned int A1_len;
+        int ret = 0;
         
         chunk=EVP_MD_size(md);
+        OPENSSL_assert(chunk >= 0);
 
         HMAC_CTX_init(&ctx);
         HMAC_CTX_init(&ctx_tmp);
-        HMAC_CTX_set_flags(&ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
-        HMAC_CTX_set_flags(&ctx_tmp, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
-        HMAC_Init_ex(&ctx,sec,sec_len,md, NULL);
-        HMAC_Init_ex(&ctx_tmp,sec,sec_len,md, NULL);
-        HMAC_Update(&ctx,seed,seed_len);
-        HMAC_Final(&ctx,A1,&A1_len);
+        if (!HMAC_Init_ex(&ctx,sec,sec_len,md, NULL))
+                goto err;
+        if (!HMAC_Init_ex(&ctx_tmp,sec,sec_len,md, NULL))
+                goto err;
+        if (seed1 != NULL && !HMAC_Update(&ctx,seed1,seed1_len))
+                goto err;
+        if (seed2 != NULL && !HMAC_Update(&ctx,seed2,seed2_len))
+                goto err;
+        if (seed3 != NULL && !HMAC_Update(&ctx,seed3,seed3_len))
+                goto err;
+        if (seed4 != NULL && !HMAC_Update(&ctx,seed4,seed4_len))
+                goto err;
+        if (seed5 != NULL && !HMAC_Update(&ctx,seed5,seed5_len))
+                goto err;
+        if (!HMAC_Final(&ctx,A1,&A1_len))
+                goto err;
 
-        n=0;
         for (;;)
                 {
-                HMAC_Init_ex(&ctx,NULL,0,NULL,NULL); /* re-init */
-                HMAC_Init_ex(&ctx_tmp,NULL,0,NULL,NULL); /* re-init */
-                HMAC_Update(&ctx,A1,A1_len);
-                HMAC_Update(&ctx_tmp,A1,A1_len);
-                HMAC_Update(&ctx,seed,seed_len);
+                if (!HMAC_Init_ex(&ctx,NULL,0,NULL,NULL)) /* re-init */
+                        goto err;
+                if (!HMAC_Init_ex(&ctx_tmp,NULL,0,NULL,NULL)) /* re-init */
+                        goto err;
+                if (!HMAC_Update(&ctx,A1,A1_len))
+                        goto err;
+                if (!HMAC_Update(&ctx_tmp,A1,A1_len))
+                        goto err;
+                if (seed1 != NULL && !HMAC_Update(&ctx,seed1,seed1_len))
+                        goto err;
+                if (seed2 != NULL && !HMAC_Update(&ctx,seed2,seed2_len))
+                        goto err;
+                if (seed3 != NULL && !HMAC_Update(&ctx,seed3,seed3_len))
+                        goto err;
+                if (seed4 != NULL && !HMAC_Update(&ctx,seed4,seed4_len))
+                        goto err;
+                if (seed5 != NULL && !HMAC_Update(&ctx,seed5,seed5_len))
+                        goto err;
 
                 if (olen > chunk)
                         {
-                        HMAC_Final(&ctx,out,&j);
+                        if (!HMAC_Final(&ctx,out,&j))
+                                goto err;
                         out+=j;
                         olen-=j;
-                        HMAC_Final(&ctx_tmp,A1,&A1_len); /* calc the next A1 value */
+                        if (!HMAC_Final(&ctx_tmp,A1,&A1_len)) /* calc the next A1 value */
+                                goto err;
                         }
                 else    /* last one */
                         {
-                        HMAC_Final(&ctx,A1,&A1_len);
+                        if (!HMAC_Final(&ctx,A1,&A1_len))
+                                goto err;
                         memcpy(out,A1,olen);
                         break;
                         }
                 }
+        ret = 1;
+err:
         HMAC_CTX_cleanup(&ctx);
         HMAC_CTX_cleanup(&ctx_tmp);
         OPENSSL_cleanse(A1,sizeof(A1));
+        return ret;
         }
 
-static void tls1_PRF(const EVP_MD *md5, const EVP_MD *sha1,
-                     unsigned char *label, int label_len,
-                     const unsigned char *sec, int slen, unsigned char *out1,
+/* seed1 through seed5 are virtually concatenated */
+static int tls1_PRF(long digest_mask,
+                     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 *out1,
                      unsigned char *out2, int olen)
         {
-        int len,i;
-        const unsigned char *S1,*S2;
+        int len,i,idx,count;
+        const unsigned char *S1;
+        long m;
+        const EVP_MD *md;
+        int ret = 0;
 
-        len=slen/2;
+        /* Count number of digests and partition sec evenly */
+        count=0;
+        for (idx=0;ssl_get_handshake_digest(idx,&m,&md);idx++) {
+                if ((m<<TLS1_PRF_DGST_SHIFT) & digest_mask) count++;
+        }       
+        len=slen/count;
         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; i<olen; i++)
-                out1[i]^=out2[i];
+        memset(out1,0,olen);
+        for (idx=0;ssl_get_handshake_digest(idx,&m,&md);idx++) {
+                if ((m<<TLS1_PRF_DGST_SHIFT) & digest_mask) {
+                        if (!md) {
+                                SSLerr(SSL_F_TLS1_PRF,
+                                SSL_R_UNSUPPORTED_DIGEST_TYPE);
+                                goto err;                               
+                        }
+                        if (!tls1_P_hash(md ,S1,len+(slen&1),
+                                        seed1,seed1_len,seed2,seed2_len,seed3,seed3_len,seed4,seed4_len,seed5,seed5_len,
+                                        out2,olen))
+                                goto err;
+                        S1+=len;
+                        for (i=0; i<olen; i++)
+                        {
+                                out1[i]^=out2[i];
+                        }
+                }
         }
-
-static void tls1_generate_key_block(SSL *s, unsigned char *km,
+        ret = 1;
+err:
+        return ret;
+}
+static int tls1_generate_key_block(SSL *s, unsigned char *km,
              unsigned char *tmp, int num)
         {
-        unsigned char *p;
-        unsigned char buf[SSL3_RANDOM_SIZE*2+
-                TLS_MD_MAX_CONST_SIZE];
-        p=buf;
-
-        memcpy(p,TLS_MD_KEY_EXPANSION_CONST,
-                TLS_MD_KEY_EXPANSION_CONST_SIZE);
-        p+=TLS_MD_KEY_EXPANSION_CONST_SIZE;
-        memcpy(p,s->s3->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),
+        int ret;
+        ret = tls1_PRF(s->s3->tmp.new_cipher->algorithm2,
+                 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,tmp,num);
 #ifdef KSSL_DEBUG
         printf("tls1_generate_key_block() ==> %d byte master_key =\n\t",
                 s->session->master_key_length);
         {
         int i;
         for (i=0; i < s->session->master_key_length; i++)
                 {
                 printf("%02X", s->session->master_key[i]);
                 }
         printf("\n");  }
 #endif    /* KSSL_DEBUG */
+        return ret;
         }
 
 int tls1_change_cipher_state(SSL *s, int which)
         {
         static const unsigned char empty[]="";
-        unsigned char *p,*key_block,*mac_secret;
-        unsigned char *exp_label,buf[TLS_MD_MAX_CONST_SIZE+
-                SSL3_RANDOM_SIZE*2];
+        unsigned char *p,*mac_secret;
+        unsigned char *exp_label;
         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;
+        unsigned char *ms,*key,*iv;
         int client_write;
         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 is_export,n,i,j,k,exp_label_len,cl;
         int reuse_dd = 0;
 
         is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
         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
-        key_block=s->s3->tmp.key_block;
 
 #ifdef KSSL_DEBUG
         printf("tls1_change_cipher_state(which= %d) w/\n", which);
-        printf("\talg= %ld, comp= %p\n", s->s3->tmp.new_cipher->algorithms,
-                (void *)comp);
-        printf("\tevp_cipher == %p ==? &d_cbc_ede_cipher3\n", (void *)c);
+        printf("\talg= %ld/%ld, comp= %p\n",
+               s->s3->tmp.new_cipher->algorithm_mkey,
+               s->s3->tmp.new_cipher->algorithm_auth,
+               comp);
+        printf("\tevp_cipher == %p ==? &d_cbc_ede_cipher3\n", c);
         printf("\tevp_cipher: nid, blksz= %d, %d, keylen=%d, ivlen=%d\n",
                 c->nid,c->block_size,c->key_len,c->iv_len);
         printf("\tkey_block: len= %d, data= ", s->s3->tmp.key_block_length);
         {
-        int ki;
-        for (ki=0; ki<s->s3->tmp.key_block_length; ki++)
-                printf("%02x", key_block[ki]);  printf("\n");
+        int i;
+        for (i=0; i<s->s3->tmp.key_block_length; i++)
+                printf("%02x", key_block[i]);  printf("\n");
         }
 #endif  /* KSSL_DEBUG */
 
         if (which & SSL3_CC_READ)
                 {
+                if (s->s3->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=OPENSSL_malloc(sizeof(EVP_CIPHER_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;
-                s->read_hash=m;
+                mac_ctx=ssl_replace_hash(&s->read_hash,NULL);
 #ifndef OPENSSL_NO_COMP
                 if (s->expand != NULL)
                         {
                         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 (s->s3->rrec.comp == NULL)
                                 s->s3->rrec.comp=(unsigned char *)
                                         OPENSSL_malloc(SSL3_RT_MAX_ENCRYPTED_LENGTH);
                         if (s->s3->rrec.comp == NULL)
                                 goto err;
                         }
 #endif
                 /* this is done by dtls1_reset_seq_numbers for DTLS1_VERSION */
                 if (s->version != DTLS1_VERSION)
                         memset(&(s->s3->read_sequence[0]),0,8);
                 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)
                         reuse_dd = 1;
                 else if ((s->enc_write_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_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;
-                s->write_hash=m;
+                mac_ctx = ssl_replace_hash(&s->write_hash,NULL);
 #ifndef OPENSSL_NO_COMP
                 if (s->compress != NULL)
                         {
                         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 DTLS1_VERSION */
                 if (s->version != DTLS1_VERSION)
                         memset(&(s->s3->write_sequence[0]),0,8);
                 mac_secret= &(s->s3->write_mac_secret[0]);
+                mac_secret_size = &(s->s3->write_mac_secret_size);
                 }
 
         if (reuse_dd)
                 EVP_CIPHER_CTX_cleanup(dd);
 
         p=s->s3->tmp.key_block;
-        i=EVP_MD_size(m);
+        i=*mac_secret_size=s->s3->tmp.new_mac_secret_size;
+
         cl=EVP_CIPHER_key_length(c);
         j=is_export ? (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);
-        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,ERR_R_INTERNAL_ERROR);
                 goto err2;
                 }
 
         memcpy(mac_secret,ms,i);
+        mac_key = EVP_PKEY_new_mac_key(mac_type, NULL,
+                        mac_secret,*mac_secret_size);
+        EVP_DigestSignInit(mac_ctx,NULL,m,NULL,mac_key);
+        EVP_PKEY_free(mac_key);
 #ifdef TLS_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
         if (is_export)
                 {
                 /* 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));
+                if (!tls1_PRF(s->s3->tmp.new_cipher->algorithm2,
+                                exp_label,exp_label_len,
+                                s->s3->client_random,SSL3_RANDOM_SIZE,
+                                s->s3->server_random,SSL3_RANDOM_SIZE,
+                                NULL,0,NULL,0,
+                                key,j,tmp1,tmp2,EVP_CIPHER_key_length(c)))
+                        goto err2;
                 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,p-buf,empty,0,
-                                 iv1,iv2,k*2);
+                        if (!tls1_PRF(s->s3->tmp.new_cipher->algorithm2,
+                                        TLS_MD_IV_BLOCK_CONST,TLS_MD_IV_BLOCK_CONST_SIZE,
+                                        s->s3->client_random,SSL3_RANDOM_SIZE,
+                                        s->s3->server_random,SSL3_RANDOM_SIZE,
+                                        NULL,0,NULL,0,
+                                        empty,0,iv1,iv2,k*2))
+                                goto err2;
                         if (client_write)
                                 iv=iv1;
                         else
                                 iv= &(iv1[k]);
                         }
                 }
 
         s->session->key_arg_length=0;
 #ifdef KSSL_DEBUG
         {
-        int ki;
+        int i;
         printf("EVP_CipherInit_ex(dd,c,key=,iv=,which)\n");
-        printf("\tkey= ");
-        for (ki=0; ki<c->key_len; ki++) printf("%02x", key[ki]);
+        printf("\tkey= "); for (i=0; i<c->key_len; i++) printf("%02x", key[i]);
         printf("\n");
-        printf("\t iv= ");
-        for (ki=0; ki<c->iv_len; ki++) printf("%02x", iv[ki]);
+        printf("\t iv= "); for (i=0; i<c->iv_len; i++) printf("%02x", iv[i]);
         printf("\n");
         }
 #endif  /* KSSL_DEBUG */
 
         EVP_CipherInit_ex(dd,c,NULL,key,iv,(which & SSL3_CC_WRITE));
 #ifdef TLS_DEBUG
 printf("which = %04X\nkey=",which);
 { int z; for (z=0; z<EVP_CIPHER_key_length(c); z++) printf("%02X%c",key[z],((z+1)%16)?' ':'\n'); }
 printf("\niv=");
 { int z; for (z=0; z<k; z++) printf("%02X%c",iv[z],((z+1)%16)?' ':'\n'); }
 printf("\n");
 #endif
 
         OPENSSL_cleanse(tmp1,sizeof(tmp1));
         OPENSSL_cleanse(tmp2,sizeof(tmp1));
         OPENSSL_cleanse(iv1,sizeof(iv1));
         OPENSSL_cleanse(iv2,sizeof(iv2));
         return(1);
 err:
         SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,ERR_R_MALLOC_FAILURE);
 err2:
         return(0);
         }
 
 int tls1_setup_key_block(SSL *s)
         {
-        unsigned char *p1,*p2;
+        unsigned char *p1,*p2=NULL;
         const EVP_CIPHER *c;
         const EVP_MD *hash;
         int num;
         SSL_COMP *comp;
+        int mac_type= NID_undef,mac_secret_size=0;
+        int ret=0;
 
 #ifdef KSSL_DEBUG
         printf ("tls1_setup_key_block()\n");
 #endif  /* KSSL_DEBUG */
 
         if (s->s3->tmp.key_block_length != 0)
                 return(1);
 
-        if (!ssl_cipher_get_evp(s->session,&c,&hash,&comp))
+        if (!ssl_cipher_get_evp(s->session,&c,&hash,&mac_type,&mac_secret_size,&comp))
                 {
                 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;
-
-        num=EVP_CIPHER_key_length(c)+EVP_MD_size(hash)+EVP_CIPHER_iv_length(c);
+        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 ((p1=(unsigned char *)OPENSSL_malloc(num)) == NULL)
+                {
+                SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE);
                 goto err;
-        if ((p2=(unsigned char *)OPENSSL_malloc(num)) == NULL)
-                goto err;
+                }
 
         s->s3->tmp.key_block_length=num;
         s->s3->tmp.key_block=p1;
 
+        if ((p2=(unsigned char *)OPENSSL_malloc(num)) == NULL)
+                {
+                SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE);
+                goto err;
+                }
 
 #ifdef TLS_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("pre-master\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
-        tls1_generate_key_block(s,p1,p2,num);
-        OPENSSL_cleanse(p2,num);
-        OPENSSL_free(p2);
+        if (!tls1_generate_key_block(s,p1,p2,num))
+                goto err;
 #ifdef TLS_DEBUG
 printf("\nkey block\n");
 { int z; for (z=0; z<num; z++) printf("%02X%c",p1[z],((z+1)%16)?' ':'\n'); }
 #endif
 
         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->algorithms & SSL_ENC_MASK) == SSL_eNULL)
+                        if (s->session->cipher->algorithm_enc == SSL_eNULL)
                                 s->s3->need_empty_fragments = 0;
                         
 #ifndef OPENSSL_NO_RC4
-                        if ((s->session->cipher->algorithms & SSL_ENC_MASK) == SSL_RC4)
+                        if (s->session->cipher->algorithm_enc == SSL_RC4)
                                 s->s3->need_empty_fragments = 0;
 #endif
                         }
                 }
                 
-        return(1);
+        ret = 1;
 err:
-        SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE);
-        return(0);
+        if (p2)
+                {
+                OPENSSL_cleanse(p2,num);
+                OPENSSL_free(p2);
+                }
+        return(ret);
         }
 
 int tls1_enc(SSL *s, int send)
         {
         SSL3_RECORD *rec;
         EVP_CIPHER_CTX *ds;
         unsigned long l;
         int bs,i,ii,j,k,n=0;
         const EVP_CIPHER *enc;
 
         if (send)
                 {
-                if (s->write_hash != NULL)
-                        n=EVP_MD_size(s->write_hash);
+                if (EVP_MD_CTX_md(s->write_hash))
+                        {
+                        n=EVP_MD_CTX_size(s->write_hash);
+                        OPENSSL_assert(n >= 0);
+                        }
                 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);
+                if (EVP_MD_CTX_md(s->read_hash))
+                        {
+                        n=EVP_MD_CTX_size(s->read_hash);
+                        OPENSSL_assert(n >= 0);
+                        }
                 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);
                 }
 
 #ifdef KSSL_DEBUG
         printf("tls1_enc(%d)\n", send);
@@ skipping 26 matching lines @@
                         for (k=(int)l; k<(int)(l+i); k++)
                                 rec->input[k]=j;
                         l+=i;
                         rec->length+=i;
                         }
 
 #ifdef KSSL_DEBUG
                 {
                 unsigned long ui;
                 printf("EVP_Cipher(ds=%p,rec->data=%p,rec->input=%p,l=%ld) ==>\n",
-                        (void *)ds,rec->data,rec->input,l);
-                printf("\tEVP_CIPHER_CTX: %d buf_len, %d key_len [%ld %ld], %d iv_len\n",
+                        ds,rec->data,rec->input,l);
+                printf("\tEVP_CIPHER_CTX: %d buf_len, %d key_len [%d %d], %d iv_len\n",
                         ds->buf_len, ds->cipher->key_len,
-                        (unsigned long)DES_KEY_SZ,
-                        (unsigned long)DES_SCHEDULE_SZ,
+                        DES_KEY_SZ, DES_SCHEDULE_SZ,
                         ds->cipher->iv_len);
                 printf("\t\tIV: ");
                 for (i=0; i<ds->cipher->iv_len; i++) printf("%02X", ds->iv[i]);
                 printf("\n");
                 printf("\trec->input=");
                 for (ui=0; ui<l; ui++) printf(" %02x", rec->input[ui]);
                 printf("\n");
                 }
 #endif  /* KSSL_DEBUG */
 
                 if (!send)
                         {
                         if (l == 0 || l%bs != 0)
                                 {
                                 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;
                                 }
                         }
                 
                 EVP_Cipher(ds,rec->data,rec->input,l);
 
 #ifdef KSSL_DEBUG
                 {
-                unsigned long ki;
+                unsigned long i;
                 printf("\trec->data=");
-                for (ki=0; ki<l; i++)
-                        printf(" %02x", rec->data[ki]);  printf("\n");
+                for (i=0; i<l; i++)
+                        printf(" %02x", rec->data[i]);  printf("\n");
                 }
 #endif  /* KSSL_DEBUG */
 
                 if ((bs != 1) && !send)
                         {
                         ii=i=rec->data[l-1]; /* padding_length */
                         i++;
                         /* NB: if compression is in operation the first packet
                          * may not be of even length so the padding bug check
                          * cannot be performed. This bug workaround has been
@@ skipping 27 matching lines @@
                                         {
                                         /* Incorrect padding */
                                         return -1;
                                         }
                                 }
                         rec->length-=i;
                         }
                 }
         return(1);
         }
-
-int tls1_cert_verify_mac(SSL *s, EVP_MD_CTX *in_ctx, unsigned char *out)
+int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *out)
         {
         unsigned int ret;
-        EVP_MD_CTX ctx;
+        EVP_MD_CTX ctx, *d=NULL;
+        int i;
+
+        if (s->s3->handshake_buffer) 
+                if (!ssl3_digest_cached_records(s))
+                        return 0;
+
+        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_TLS1_CERT_VERIFY_MAC,SSL_R_NO_REQUIRED_DIGEST);
+                return 0;
+        }       
 
         EVP_MD_CTX_init(&ctx);
-        EVP_MD_CTX_copy_ex(&ctx,in_ctx);
+        EVP_MD_CTX_copy_ex(&ctx,d);
         EVP_DigestFinal_ex(&ctx,out,&ret);
         EVP_MD_CTX_cleanup(&ctx);
         return((int)ret);
         }
 
-int tls1_final_finish_mac(SSL *s, EVP_MD_CTX *in1_ctx, EVP_MD_CTX *in2_ctx,
+int tls1_final_finish_mac(SSL *s,
              const 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 buf[2*EVP_MAX_MD_SIZE];
         unsigned char *q,buf2[12];
+        int idx;
+        long mask;
+        int err=0;
+        const EVP_MD *md; 
 
         q=buf;
-        memcpy(q,str,slen);
-        q+=slen;
+
+        if (s->s3->handshake_buffer) 
+                if (!ssl3_digest_cached_records(s))
+                        return 0;
 
         EVP_MD_CTX_init(&ctx);
-        EVP_MD_CTX_copy_ex(&ctx,in1_ctx);
-        EVP_DigestFinal_ex(&ctx,q,&i);
-        q+=i;
-        EVP_MD_CTX_copy_ex(&ctx,in2_ctx);
-        EVP_DigestFinal_ex(&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,sizeof buf2);
+        for (idx=0;ssl_get_handshake_digest(idx,&mask,&md);idx++)
+                {
+                if (mask & s->s3->tmp.new_cipher->algorithm2)
+                        {
+                        int hashsize = EVP_MD_size(md);
+                        if (hashsize < 0 || hashsize > (int)(sizeof buf - (size_t)(q-buf)))
+                                {
+                                /* internal error: 'buf' is too small for this cipersuite! */
+                                err = 1;
+                                }
+                        else
+                                {
+                                EVP_MD_CTX_copy_ex(&ctx,s->s3->handshake_dgst[idx]);
+                                EVP_DigestFinal_ex(&ctx,q,&i);
+                                if (i != (unsigned int)hashsize) /* can't really happen */
+                                        err = 1;
+                                q+=i;
+                                }
+                        }
+                }
+                
+        if (!tls1_PRF(s->s3->tmp.new_cipher->algorithm2,
+                        str,slen, buf,(int)(q-buf), NULL,0, NULL,0, NULL,0,
+                        s->session->master_key,s->session->master_key_length,
+                        out,buf2,sizeof buf2))
+                err = 1;
         EVP_MD_CTX_cleanup(&ctx);
 
-        return sizeof buf2;
+        if (err)
+                return 0;
+        else
+                return sizeof buf2;
         }
 
 int tls1_mac(SSL *ssl, unsigned char *md, int send)
         {
         SSL3_RECORD *rec;
-        unsigned char *mac_sec,*seq;
-        const EVP_MD *hash;
-        unsigned int md_size;
+        unsigned char *seq;
+        EVP_MD_CTX *hash;
+        size_t md_size;
         int i;
-        HMAC_CTX hmac;
+        EVP_MD_CTX hmac, *mac_ctx;
         unsigned char buf[5]; 
+        int stream_mac = (send?(ssl->mac_flags & SSL_MAC_FLAG_WRITE_MAC_STREAM):(ssl->mac_flags&SSL_MAC_FLAG_READ_MAC_STREAM));
+        int t;
 
         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);
+        t=EVP_MD_CTX_size(hash);
+        OPENSSL_assert(t >= 0);
+        md_size=t;
 
         buf[0]=rec->type;
-        if (ssl->version == DTLS1_VERSION && ssl->client_version == DTLS1_BAD_VER)
-                {
-                buf[1]=TLS1_VERSION_MAJOR;
-                buf[2]=TLS1_VERSION_MINOR;
-                }
-        else    {
-                buf[1]=(unsigned char)(ssl->version>>8);
-                buf[2]=(unsigned char)(ssl->version);
-                }
-
+        buf[1]=(unsigned char)(ssl->version>>8);
+        buf[2]=(unsigned char)(ssl->version);
         buf[3]=rec->length>>8;
         buf[4]=rec->length&0xff;
 
         /* I should fix this up TLS TLS TLS TLS TLS XXXXXXXX */
-        HMAC_CTX_init(&hmac);
-        HMAC_Init_ex(&hmac,mac_sec,EVP_MD_size(hash),hash,NULL);
+        if (stream_mac) 
+                {
+                        mac_ctx = hash;
+                }
+                else
+                {
+                        EVP_MD_CTX_copy(&hmac,hash);
+                        mac_ctx = &hmac;
+                }
 
-        if (ssl->version == DTLS1_BAD_VER ||
-            (ssl->version == DTLS1_VERSION && ssl->client_version != DTLS1_BAD_VER))
+        if (ssl->version == DTLS1_VERSION || ssl->version == DTLS1_BAD_VER)
                 {
                 unsigned char dtlsseq[8],*p=dtlsseq;
+
                 s2n(send?ssl->d1->w_epoch:ssl->d1->r_epoch, p);
                 memcpy (p,&seq[2],6);
 
-                HMAC_Update(&hmac,dtlsseq,8);
+                EVP_DigestSignUpdate(mac_ctx,dtlsseq,8);
                 }
         else
-                HMAC_Update(&hmac,seq,8);
+                EVP_DigestSignUpdate(mac_ctx,seq,8);
 
-        HMAC_Update(&hmac,buf,5);
-        HMAC_Update(&hmac,rec->input,rec->length);
-        HMAC_Final(&hmac,md,&md_size);
-        HMAC_CTX_cleanup(&hmac);
-
+        EVP_DigestSignUpdate(mac_ctx,buf,5);
+        EVP_DigestSignUpdate(mac_ctx,rec->input,rec->length);
+        t=EVP_DigestSignFinal(mac_ctx,md,&md_size);
+        OPENSSL_assert(t > 0);
+                
+        if (!stream_mac) EVP_MD_CTX_cleanup(&hmac);
 #ifdef TLS_DEBUG
 printf("sec=");
 {unsigned int z; for (z=0; z<md_size; z++) printf("%02X ",mac_sec[z]); printf("\n"); }
 printf("seq=");
 {int z; for (z=0; z<8; z++) printf("%02X ",seq[z]); printf("\n"); }
 printf("buf=");
 {int z; for (z=0; z<5; z++) printf("%02X ",buf[z]); printf("\n"); }
 printf("rec=");
 {unsigned int z; for (z=0; z<rec->length; z++) printf("%02X ",buf[z]); printf("\n"); }
 #endif
 
-        if ( SSL_version(ssl) != DTLS1_VERSION && SSL_version(ssl) != DTLS1_BAD_VER)
+        if (ssl->version != DTLS1_VERSION && ssl->version != DTLS1_BAD_VER)
                 {
                 for (i=7; i>=0; i--)
                         {
                         ++seq[i];
                         if (seq[i] != 0) break; 
                         }
                 }
 
 #ifdef TLS_DEBUG
 {unsigned int z; for (z=0; z<md_size; z++) printf("%02X ",md[z]); printf("\n"); }
 #endif
         return(md_size);
         }
 
 int tls1_generate_master_secret(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];
+        const void *co = NULL, *so = NULL;
+        int col = 0, sol = 0;
 
 #ifdef KSSL_DEBUG
-        printf ("tls1_generate_master_secret(%p,%p, %p, %d)\n", (void *)s,out, p,len);
+        printf ("tls1_generate_master_secret(%p,%p, %p, %d)\n", s,out, p,len);
 #endif  /* KSSL_DEBUG */
 
-        /* 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,
+#ifdef TLSEXT_TYPE_opaque_prf_input
+        if (s->s3->client_opaque_prf_input != NULL && s->s3->server_opaque_prf_input != NULL &&
+            s->s3->client_opaque_prf_input_len > 0 &&
+            s->s3->client_opaque_prf_input_len == s->s3->server_opaque_prf_input_len)
+                {
+                co = s->s3->client_opaque_prf_input;
+                col = s->s3->server_opaque_prf_input_len;
+                so = s->s3->server_opaque_prf_input;
+                sol = s->s3->client_opaque_prf_input_len; /* must be same as col (see draft-rescorla-tls-opaque-prf-input-00.txt, section 3.1) */
+                }
+#endif
+
+        tls1_PRF(s->s3->tmp.new_cipher->algorithm2,
+                TLS_MD_MASTER_SECRET_CONST,TLS_MD_MASTER_SECRET_CONST_SIZE,
+                s->s3->client_random,SSL3_RANDOM_SIZE,
+                co, col,
+                s->s3->server_random,SSL3_RANDOM_SIZE,
+                so, sol,
+                p,len,
                 s->session->master_key,buff,sizeof buff);
+
 #ifdef KSSL_DEBUG
         printf ("tls1_generate_master_secret() complete\n");
 #endif  /* KSSL_DEBUG */
         return(SSL3_MASTER_SECRET_SIZE);
         }
 
 int tls1_alert_code(int code)
         {
         switch (code)
                 {
@@ skipping 14 matching lines @@
         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);
-#ifdef DTLS1_AD_MISSING_HANDSHAKE_MESSAGE
+        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);
+#if 0 /* not appropriate for TLS, not used for DTLS */
         case DTLS1_AD_MISSING_HANDSHAKE_MESSAGE: return 
                                           (DTLS1_AD_MISSING_HANDSHAKE_MESSAGE);
 #endif
         default:                        return(-1);
                 }
         }