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/* camellia.h ver 1.1.0
*
* Copyright (c) 2006
* NTT (Nippon Telegraph and Telephone Corporation) . All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer as
* the first lines of this file unmodified.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY NTT ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL NTT BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/crypto/camellia/camellia.h 169425 2007-05-09 19:37:02Z gnn $
*/
#ifndef _CAMELLIA_H
#define _CAMELLIA_H
#define CAMELLIA_BLOCK_SIZE 16
#define CAMELLIA_SUBKEYWORD 68 /* (34*8/4) */
typedef struct {
int bits; /* key-length */
uint32_t subkey[CAMELLIA_SUBKEYWORD]; /* encrypt/decrypt key schedule */
} camellia_ctx;
void camellia_set_key(camellia_ctx *, const u_char *, int);
void camellia_decrypt(const camellia_ctx *, const u_char *, u_char *);
void camellia_encrypt(const camellia_ctx *, const u_char *, u_char *);
void Camellia_Ekeygen(const int keyBitLength,
const unsigned char *rawKey,
uint32_t *subkey);
void Camellia_EncryptBlock(const int keyBitLength,
const unsigned char *plaintext,
const uint32_t *subkey,
unsigned char *cipherText);
void Camellia_DecryptBlock(const int keyBitLength,
const unsigned char *cipherText,
const uint32_t *subkey,
unsigned char *plaintext);
void camellia_setup128(const unsigned char *key, uint32_t *subkey);
void camellia_setup192(const unsigned char *key, uint32_t *subkey);
void camellia_setup256(const unsigned char *key, uint32_t *subkey);
void camellia_encrypt128(const uint32_t *subkey, uint32_t *io);
void camellia_encrypt256(const uint32_t *subkey, uint32_t *io);
void camellia_decrypt128(const uint32_t *subkey, uint32_t *io);
void camellia_decrypt256(const uint32_t *subkey, uint32_t *io);
#endif /* _CAMELLIA_H */