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/* lib/crypto/builtin/camellia/camellia.h - Camellia version 1.2.0 */
/*
* Copyright (c) 2006,2007,2009
* 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.
*/
#ifndef HEADER_CAMELLIA_H
#define HEADER_CAMELLIA_H
#ifdef __cplusplus
extern "C" {
#endif
#include "uitypes.h" /* ../aes/ui_types.h */
#define CAMELLIA_BLOCK_SIZE 16
#define CAMELLIA_TABLE_BYTE_LEN 272
#define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
#ifndef BLOCK_SIZE
#define BLOCK_SIZE CAMELLIA_BLOCK_SIZE
#endif
typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN];
/* u32 must be 32bit word */
typedef uint32_t u32;
typedef uint8_t u8;
/* For the Kerberos 5 tree, hide the Camellia symbol names. */
#define camellia_setup128 k5_camellia_setup128
#define camellia_setup192 k5_camellia_setup192
#define camellia_setup256 k5_camellia_setup256
#define camellia_encrypt128 k5_camellia_encrypt128
#define camellia_decrypt128 k5_camellia_decrypt128
#define camellia_encrypt256 k5_camellia_encrypt256
#define camellia_decrypt256 k5_camellia_decrypt256
#define Camellia_Ekeygen k5_Camellia_Ekeygen
#define Camellia_EncryptBlock k5_Camellia_EncryptBlock
#define Camellia_DecryptBlock k5_Camellia_DecryptBlock
void camellia_setup128(const unsigned char *key, u32 *subkey);
void camellia_setup192(const unsigned char *key, u32 *subkey);
void camellia_setup256(const unsigned char *key, u32 *subkey);
void camellia_encrypt128(const u32 *subkey, u32 *io);
void camellia_decrypt128(const u32 *subkey, u32 *io);
void camellia_encrypt256(const u32 *subkey, u32 *io);
void camellia_decrypt256(const u32 *subkey, u32 *io);
void Camellia_Ekeygen(const int keyBitLength,
const unsigned char *rawKey,
KEY_TABLE_TYPE keyTable);
void Camellia_EncryptBlock(const int keyBitLength,
const unsigned char *plaintext,
const KEY_TABLE_TYPE keyTable,
unsigned char *cipherText);
void Camellia_DecryptBlock(const int keyBitLength,
const unsigned char *cipherText,
const KEY_TABLE_TYPE keyTable,
unsigned char *plaintext);
typedef uint16_t cam_fret; /* type for function return value */
#define camellia_good 1
#define camellia_bad 1
#ifndef CAMELLIA_DLL /* implement normal or DLL functions */
#define cam_rval cam_fret
#else
#define cam_rval cam_fret __declspec(dllexport) _stdcall
#endif
typedef struct /* the Camellia context for encryption */
{
uint32_t k_sch[CAMELLIA_TABLE_WORD_LEN]; /* the encryption key schedule */
int keybitlen; /* bitlength of key */
} camellia_ctx;
/* for Kerberos 5 tree -- hide names! */
#define camellia_blk_len krb5int_camellia_blk_len
#define camellia_enc_key krb5int_camellia_enc_key
#define camellia_enc_blk krb5int_camellia_enc_blk
#define camellia_dec_key krb5int_camellia_dec_key
#define camellia_dec_blk krb5int_camellia_dec_blk
cam_rval camellia_blk_len(unsigned int blen, camellia_ctx cx[1]);
cam_rval camellia_enc_key(const unsigned char in_key[], unsigned int klen,
camellia_ctx cx[1]);
cam_rval camellia_enc_blk(const unsigned char in_blk[],
unsigned char out_blk[],
const camellia_ctx cx[1]);
cam_rval camellia_dec_key(const unsigned char in_key[], unsigned int klen,
camellia_ctx cx[1]);
cam_rval camellia_dec_blk(const unsigned char in_blk[],
unsigned char out_blk[],
const camellia_ctx cx[1]);
#ifdef __cplusplus
}
#endif
#endif /* HEADER_CAMELLIA_H */
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