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       1                 :            : /* crypto/seed/seed_cbc.c -*- mode:C; c-file-style: "eay" -*- */
       2                 :            : /* ====================================================================
       3                 :            :  * Copyright (c) 1998-2007 The OpenSSL Project.  All rights reserved.
       4                 :            :  *
       5                 :            :  * Redistribution and use in source and binary forms, with or without
       6                 :            :  * modification, are permitted provided that the following conditions
       7                 :            :  * are met:
       8                 :            :  *
       9                 :            :  * 1. Redistributions of source code must retain the above copyright
      10                 :            :  *    notice, this list of conditions and the following disclaimer. 
      11                 :            :  *
      12                 :            :  * 2. Redistributions in binary form must reproduce the above copyright
      13                 :            :  *    notice, this list of conditions and the following disclaimer in
      14                 :            :  *    the documentation and/or other materials provided with the
      15                 :            :  *    distribution.
      16                 :            :  *
      17                 :            :  * 3. All advertising materials mentioning features or use of this
      18                 :            :  *    software must display the following acknowledgment:
      19                 :            :  *    "This product includes software developed by the OpenSSL Project
      20                 :            :  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
      21                 :            :  *
      22                 :            :  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
      23                 :            :  *    endorse or promote products derived from this software without
      24                 :            :  *    prior written permission. For written permission, please contact
      25                 :            :  *    openssl-core@openssl.org.
      26                 :            :  *
      27                 :            :  * 5. Products derived from this software may not be called "OpenSSL"
      28                 :            :  *    nor may "OpenSSL" appear in their names without prior written
      29                 :            :  *    permission of the OpenSSL Project.
      30                 :            :  *
      31                 :            :  * 6. Redistributions of any form whatsoever must retain the following
      32                 :            :  *    acknowledgment:
      33                 :            :  *    "This product includes software developed by the OpenSSL Project
      34                 :            :  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
      35                 :            :  *
      36                 :            :  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
      37                 :            :  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      38                 :            :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
      39                 :            :  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
      40                 :            :  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      41                 :            :  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
      42                 :            :  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
      43                 :            :  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      44                 :            :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
      45                 :            :  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
      46                 :            :  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
      47                 :            :  * OF THE POSSIBILITY OF SUCH DAMAGE.
      48                 :            :  * ====================================================================
      49                 :            :  *
      50                 :            :  */
      51                 :            : 
      52                 :            : #include <openssl/seed.h>
      53                 :            : #include <openssl/modes.h>
      54                 :            : 
      55                 :        278 : void SEED_cbc_encrypt(const unsigned char *in, unsigned char *out,
      56                 :            :                       size_t len, const SEED_KEY_SCHEDULE *ks,
      57                 :            :                       unsigned char ivec[SEED_BLOCK_SIZE], int enc)
      58                 :            :         {
      59         [ +  + ]:        278 :         if (enc)
      60                 :        160 :                 CRYPTO_cbc128_encrypt(in,out,len,ks,ivec,(block128_f)SEED_encrypt);
      61                 :            :         else
      62                 :        118 :                 CRYPTO_cbc128_decrypt(in,out,len,ks,ivec,(block128_f)SEED_decrypt);
      63                 :        278 :         }