crypto/seed/seed.h

   1 /*
   2  * Copyright (c) 2007 KISA(Korea Information Security Agency). All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Neither the name of author nor the names of its contributors may
  10  *    be used to endorse or promote products derived from this software
  11  *    without specific prior written permission.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
  17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  23  * SUCH DAMAGE.
  24  *
  25  */
  26 /* ====================================================================
  27  * Copyright (c) 1998-2007 The OpenSSL Project.  All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  *
  33  * 1. Redistributions of source code must retain the above copyright
  34  *    notice, this list of conditions and the following disclaimer.
  35  *
  36  * 2. Redistributions in binary form must reproduce the above copyright
  37  *    notice, this list of conditions and the following disclaimer in
  38  *    the documentation and/or other materials provided with the
  39  *    distribution.
  40  *
  41  * 3. All advertising materials mentioning features or use of this
  42  *    software must display the following acknowledgment:
  43  *    "This product includes software developed by the OpenSSL Project
  44  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  45  *
  46  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  47  *    endorse or promote products derived from this software without
  48  *    prior written permission. For written permission, please contact
  49  *    openssl-core@openssl.org.
  50  *
  51  * 5. Products derived from this software may not be called "OpenSSL"
  52  *    nor may "OpenSSL" appear in their names without prior written
  53  *    permission of the OpenSSL Project.
  54  *
  55  * 6. Redistributions of any form whatsoever must retain the following
  56  *    acknowledgment:
  57  *    "This product includes software developed by the OpenSSL Project
  58  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  59  *
  60  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  61  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  62  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  63  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  64  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  65  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  66  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  67  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  68  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  69  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  70  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  71  * OF THE POSSIBILITY OF SUCH DAMAGE.
  72  * ====================================================================
  73  *
  74  * This product includes cryptographic software written by Eric Young
  75  * (eay@cryptsoft.com).  This product includes software written by Tim
  76  * Hudson (tjh@cryptsoft.com).
  77  *
  78  */
  79
  80 #ifndef HEADER_SEED_H
  81 # define HEADER_SEED_H
  82
  83 # include <openssl/opensslconf.h>
  84
  85 # ifdef OPENSSL_NO_SEED
  86 #  error SEED is disabled.
  87 # endif
  88
  89 /* look whether we need 'long' to get 32 bits */
  90 # ifdef AES_LONG
  91 #  ifndef SEED_LONG
  92 #   define SEED_LONG 1
  93 #  endif
  94 # endif
  95
  96 # if !defined(NO_SYS_TYPES_H)
  97 #  include <sys/types.h>
  98 # endif
  99
 100 # define SEED_BLOCK_SIZE 16
 101 # define SEED_KEY_LENGTH 16
 102
 103
 104 #ifdef  __cplusplus
 105 extern "C" {
 106 #endif
 107
 108 typedef struct seed_key_st {
 109 # ifdef SEED_LONG
 110     unsigned long data[32];
 111 # else
 112     unsigned int data[32];
 113 # endif
 114 } SEED_KEY_SCHEDULE;
 115
 116 void SEED_set_key(const unsigned char rawkey[SEED_KEY_LENGTH],
 117                   SEED_KEY_SCHEDULE *ks);
 118
 119 void SEED_encrypt(const unsigned char s[SEED_BLOCK_SIZE],
 120                   unsigned char d[SEED_BLOCK_SIZE],
 121                   const SEED_KEY_SCHEDULE *ks);
 122 void SEED_decrypt(const unsigned char s[SEED_BLOCK_SIZE],
 123                   unsigned char d[SEED_BLOCK_SIZE],
 124                   const SEED_KEY_SCHEDULE *ks);
 125
 126 void SEED_ecb_encrypt(const unsigned char *in, unsigned char *out,
 127                       const SEED_KEY_SCHEDULE *ks, int enc);
 128 void SEED_cbc_encrypt(const unsigned char *in, unsigned char *out, size_t len,
 129                       const SEED_KEY_SCHEDULE *ks,
 130                       unsigned char ivec[SEED_BLOCK_SIZE], int enc);
 131 void SEED_cfb128_encrypt(const unsigned char *in, unsigned char *out,
 132                          size_t len, const SEED_KEY_SCHEDULE *ks,
 133                          unsigned char ivec[SEED_BLOCK_SIZE], int *num,
 134                          int enc);
 135 void SEED_ofb128_encrypt(const unsigned char *in, unsigned char *out,
 136                          size_t len, const SEED_KEY_SCHEDULE *ks,
 137                          unsigned char ivec[SEED_BLOCK_SIZE], int *num);
 138
 139 #ifdef  __cplusplus
 140 }
 141 #endif
 142
 143 #endif                          /* HEADER_SEED_H */