sys/crypto/camellia/camellia.h

   1 /* camellia.h ver 1.1.0
   2  *
   3  * Copyright (c) 2006
   4  * NTT (Nippon Telegraph and Telephone Corporation) . All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer as
  11  *   the first lines of this file unmodified.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *   notice, this list of conditions and the following disclaimer in the
  14  *   documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY NTT ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL NTT BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #ifndef _CAMELLIA_H
  29 #define _CAMELLIA_H
  30
  31 #define CAMELLIA_BLOCK_SIZE 16
  32 #define CAMELLIA_SUBKEYWORD 68 /* (34*8/4) */
  33
  34 typedef struct {
  35     int bits;                                 /* key-length */
  36     uint32_t subkey[CAMELLIA_SUBKEYWORD]; /* encrypt/decrypt key schedule */
  37 } camellia_ctx;
  38
  39 void camellia_set_key(camellia_ctx *, const u_char *, int);
  40 void camellia_decrypt(const camellia_ctx *, const u_char *, u_char *);
  41 void camellia_encrypt(const camellia_ctx *, const u_char *, u_char *);
  42
  43
  44 void Camellia_Ekeygen(const int keyBitLength,
  45                       const unsigned char *rawKey,
  46                       uint32_t *subkey);
  47
  48 void Camellia_EncryptBlock(const int keyBitLength,
  49                            const unsigned char *plaintext,
  50                            const uint32_t *subkey,
  51                            unsigned char *cipherText);
  52
  53 void Camellia_DecryptBlock(const int keyBitLength,
  54                            const unsigned char *cipherText,
  55                            const uint32_t *subkey,
  56                            unsigned char *plaintext);
  57
  58 void camellia_setup128(const unsigned char *key, uint32_t *subkey);
  59 void camellia_setup192(const unsigned char *key, uint32_t *subkey);
  60 void camellia_setup256(const unsigned char *key, uint32_t *subkey);
  61 void camellia_encrypt128(const uint32_t *subkey, uint32_t *io);
  62 void camellia_encrypt256(const uint32_t *subkey, uint32_t *io);
  63 void camellia_decrypt128(const uint32_t *subkey, uint32_t *io);
  64 void camellia_decrypt256(const uint32_t *subkey, uint32_t *io);
  65
  66
  67 #endif /* _CAMELLIA_H */