blowfish.h

来自「一个加密库代码」· C头文件 代码 · 共 61 行

/*
 * Copyright 1997-2005 Markus Hahn 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef __BLOWFISH_H
#define __BLOWFISH_H

#ifdef __cplusplus
extern "C" {
#endif

#include "CipherDef.h"

// some constants...
#define BLOWFISH_KEYSIZE       56   // equals 448 bits
#define BLOWFISH_BLOCKSIZE      8    
#define PBOX_SIZE              18
#define SBOX_SIZE             256
#define BOXES_SIZE (PBOX_SIZE + 4 * SBOX_SIZE) 
#define BLOWFISH_CIPHERNAME   "Blowfish"

// function interface

WORD32 Blowfish_GetCipherInfo(CIPHERINFOBLOCK*);

WORD32 Blowfish_SelfTest (void*);

WORD32 Blowfish_CreateWorkContext(void*, const WORD8*, WORD32, WORD32, void*,
                                  Cipher_RandomGenerator, const void*);

void Blowfish_ResetWorkContext(void*, 
                               WORD32, 
                               void*,
                               Cipher_RandomGenerator, 
                               const void*);

WORD32 Blowfish_DestroyWorkContext (void*);

void Blowfish_EncryptBuffer(void*, const void*, void*, WORD32);

void Blowfish_DecryptBuffer(void*, const void*, void*, WORD32, const void*);


#ifdef __cplusplus
}
#endif

#endif