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      1 /* $NetBSD: camellia.h,v 1.1 2011/05/05 17:38:36 drochner Exp $ */
      2 
      3 /* camellia.h ver 1.1.0
      4  *
      5  * Copyright (c) 2006
      6  * NTT (Nippon Telegraph and Telephone Corporation) . All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *   notice, this list of conditions and the following disclaimer as
     13  *   the first lines of this file unmodified.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *   notice, this list of conditions and the following disclaimer in the
     16  *   documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY NTT ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL NTT BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #ifndef _CAMELLIA_H
     31 #define _CAMELLIA_H
     32 
     33 #define CAMELLIA_BLOCK_SIZE 16
     34 #define CAMELLIA_SUBKEYWORD 68 /* (34*8/4) */
     35 
     36 typedef struct {
     37     int	bits;				      /* key-length */
     38     uint32_t subkey[CAMELLIA_SUBKEYWORD]; /* encrypt/decrypt key schedule */
     39 } camellia_ctx;
     40 
     41 void camellia_set_key(camellia_ctx *, const u_char *, int);
     42 void camellia_decrypt(const camellia_ctx *, const u_char *, u_char *);
     43 void camellia_encrypt(const camellia_ctx *, const u_char *, u_char *);
     44 
     45 
     46 void Camellia_Ekeygen(const int keyBitLength,
     47 		      const unsigned char *rawKey,
     48 		      uint32_t *subkey);
     49 
     50 void Camellia_EncryptBlock(const int keyBitLength,
     51 			   const unsigned char *plaintext,
     52 			   const uint32_t *subkey,
     53 			   unsigned char *cipherText);
     54 
     55 void Camellia_DecryptBlock(const int keyBitLength,
     56 			   const unsigned char *cipherText,
     57 			   const uint32_t *subkey,
     58 			   unsigned char *plaintext);
     59 
     60 void camellia_setup128(const unsigned char *key, uint32_t *subkey);
     61 void camellia_setup192(const unsigned char *key, uint32_t *subkey);
     62 void camellia_setup256(const unsigned char *key, uint32_t *subkey);
     63 void camellia_encrypt128(const uint32_t *subkey, uint32_t *io);
     64 void camellia_encrypt256(const uint32_t *subkey, uint32_t *io);
     65 void camellia_decrypt128(const uint32_t *subkey, uint32_t *io);
     66 void camellia_decrypt256(const uint32_t *subkey, uint32_t *io);
     67 
     68 
     69 #endif /* _CAMELLIA_H */
     70