Cryptlib/Include/openssl/seed.h

   1 /*
   2  * Copyright 2007-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 /*
  11  * Copyright (c) 2007 KISA(Korea Information Security Agency). All rights reserved.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Neither the name of author nor the names of its contributors may
  19  *    be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #ifndef HEADER_SEED_H
  36 # define HEADER_SEED_H
  37
  38 # include <openssl/opensslconf.h>
  39
  40 # ifndef OPENSSL_NO_SEED
  41 # include <openssl/e_os2.h>
  42 # include <openssl/crypto.h>
  43
  44 #ifdef  __cplusplus
  45 extern "C" {
  46 #endif
  47
  48 /* look whether we need 'long' to get 32 bits */
  49 # ifdef AES_LONG
  50 #  ifndef SEED_LONG
  51 #   define SEED_LONG 1
  52 #  endif
  53 # endif
  54
  55 # if !defined(NO_SYS_TYPES_H)
  56 #  include <sys/types.h>
  57 # endif
  58
  59 # define SEED_BLOCK_SIZE 16
  60 # define SEED_KEY_LENGTH 16
  61
  62 typedef struct seed_key_st {
  63 # ifdef SEED_LONG
  64     unsigned long data[32];
  65 # else
  66     unsigned int data[32];
  67 # endif
  68 } SEED_KEY_SCHEDULE;
  69
  70 void SEED_set_key(const unsigned char rawkey[SEED_KEY_LENGTH],
  71                   SEED_KEY_SCHEDULE *ks);
  72
  73 void SEED_encrypt(const unsigned char s[SEED_BLOCK_SIZE],
  74                   unsigned char d[SEED_BLOCK_SIZE],
  75                   const SEED_KEY_SCHEDULE *ks);
  76 void SEED_decrypt(const unsigned char s[SEED_BLOCK_SIZE],
  77                   unsigned char d[SEED_BLOCK_SIZE],
  78                   const SEED_KEY_SCHEDULE *ks);
  79
  80 void SEED_ecb_encrypt(const unsigned char *in, unsigned char *out,
  81                       const SEED_KEY_SCHEDULE *ks, int enc);
  82 void SEED_cbc_encrypt(const unsigned char *in, unsigned char *out, size_t len,
  83                       const SEED_KEY_SCHEDULE *ks,
  84                       unsigned char ivec[SEED_BLOCK_SIZE], int enc);
  85 void SEED_cfb128_encrypt(const unsigned char *in, unsigned char *out,
  86                          size_t len, const SEED_KEY_SCHEDULE *ks,
  87                          unsigned char ivec[SEED_BLOCK_SIZE], int *num,
  88                          int enc);
  89 void SEED_ofb128_encrypt(const unsigned char *in, unsigned char *out,
  90                          size_t len, const SEED_KEY_SCHEDULE *ks,
  91                          unsigned char ivec[SEED_BLOCK_SIZE], int *num);
  92
  93 # ifdef  __cplusplus
  94 }
  95 # endif
  96 # endif
  97
  98 #endif