lib/libcrypto/camellia/camellia.h

   1 /* $OpenBSD: camellia.h,v 1.5 2014/11/13 20:01:58 miod Exp $ */
   2 /* ====================================================================
   3  * Copyright (c) 2006 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 #ifndef HEADER_CAMELLIA_H
  53 #define HEADER_CAMELLIA_H
  54
  55 #include <openssl/opensslconf.h>
  56
  57 #ifdef OPENSSL_NO_CAMELLIA
  58 #error CAMELLIA is disabled.
  59 #endif
  60
  61 #include <stddef.h>
  62
  63 #define CAMELLIA_ENCRYPT        1
  64 #define CAMELLIA_DECRYPT        0
  65
  66 /* Because array size can't be a const in C, the following two are macros.
  67    Both sizes are in bytes. */
  68
  69 #ifdef  __cplusplus
  70 extern "C" {
  71 #endif
  72
  73 /* This should be a hidden type, but EVP requires that the size be known */
  74
  75 #define CAMELLIA_BLOCK_SIZE 16
  76 #define CAMELLIA_TABLE_BYTE_LEN 272
  77 #define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
  78
  79 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match with WORD */
  80
  81 struct camellia_key_st {
  82         union {
  83                 double d;       /* ensures 64-bit align */
  84                 KEY_TABLE_TYPE rd_key;
  85         } u;
  86         int grand_rounds;
  87 };
  88 typedef struct camellia_key_st CAMELLIA_KEY;
  89
  90 int Camellia_set_key(const unsigned char *userKey, const int bits,
  91         CAMELLIA_KEY *key);
  92
  93 void Camellia_encrypt(const unsigned char *in, unsigned char *out,
  94         const CAMELLIA_KEY *key);
  95 void Camellia_decrypt(const unsigned char *in, unsigned char *out,
  96         const CAMELLIA_KEY *key);
  97
  98 void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out,
  99         const CAMELLIA_KEY *key, const int enc);
 100 void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
 101         size_t length, const CAMELLIA_KEY *key,
 102         unsigned char *ivec, const int enc);
 103 void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
 104         size_t length, const CAMELLIA_KEY *key,
 105         unsigned char *ivec, int *num, const int enc);
 106 void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,
 107         size_t length, const CAMELLIA_KEY *key,
 108         unsigned char *ivec, int *num, const int enc);
 109 void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
 110         size_t length, const CAMELLIA_KEY *key,
 111         unsigned char *ivec, int *num, const int enc);
 112 void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,
 113         size_t length, const CAMELLIA_KEY *key,
 114         unsigned char *ivec, int *num);
 115 void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
 116         size_t length, const CAMELLIA_KEY *key,
 117         unsigned char ivec[CAMELLIA_BLOCK_SIZE],
 118         unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
 119         unsigned int *num);
 120
 121 #ifdef  __cplusplus
 122 }
 123 #endif
 124
 125 #endif /* !HEADER_Camellia_H */