Line data    Source code

       1             : /* crypto/evp/e_seed.c -*- mode:C; c-file-style: "eay" -*- */
       2             : /* ====================================================================
       3             :  * Copyright (c) 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             :  * This product includes cryptographic software written by Eric Young
      51             :  * (eay@cryptsoft.com).  This product includes software written by Tim
      52             :  * Hudson (tjh@cryptsoft.com).
      53             :  *
      54             :  */
      55             : 
      56             : #include <openssl/opensslconf.h>
      57             : #ifndef OPENSSL_NO_SEED
      58             : # include <openssl/evp.h>
      59             : # include <openssl/err.h>
      60             : # include <string.h>
      61             : # include <assert.h>
      62             : # include <openssl/seed.h>
      63             : # include "evp_locl.h"
      64             : 
      65             : static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
      66             :                          const unsigned char *iv, int enc);
      67             : 
      68             : typedef struct {
      69             :     SEED_KEY_SCHEDULE ks;
      70             : } EVP_SEED_KEY;
      71             : 
      72         605 : IMPLEMENT_BLOCK_CIPHER(seed, ks, SEED, EVP_SEED_KEY, NID_seed,
      73             :                        16, 16, 16, 128, 0, seed_init_key, 0, 0, 0, 0)
      74             : 
      75           0 : static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
      76             :                          const unsigned char *iv, int enc)
      77             : {
      78           0 :     SEED_set_key(key, ctx->cipher_data);
      79           0 :     return 1;
      80             : }
      81             : 
      82             : #endif