cipherdefs.h

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/*
//
//               INTEL CORPORATION PROPRIETARY INFORMATION
//  This software is supplied under the terms of a license agreement or
//  nondisclosure agreement with Intel Corporation and may not be copied
//  or disclosed except in accordance with the terms of that agreement.
//        Copyright (c) 2005 Intel Corporation. All Rights Reserved.
//
*/

#if !defined( _CIPHERDEFS_H_ )
#define _CIPHERDEFS_H_

#include "ippcp.h"


#ifdef  __cplusplus
extern "C" {
#endif

/*
// supported cipher algorithms
*/
typedef enum {
   ALGO_DES=0,
   ALGO_TDES,
   ALGO_AES,
   ALGO_RIJ128=ALGO_AES,
   ALGO_RIJ192,
   ALGO_RIJ256,
   ALGO_BLF,
   ALGO_TWF,
   #if defined(_IPP_v51_)
   ALGO_RC4,
   #endif
   ALGO_UNKNOWN = -1
} AlgoName;

/*
// modes of cipher algorithm
*/
typedef enum {
   ECB =0,
   CBC,
   CFB,
   CTR,
   MODE_UNKNOWN = -1
} CipherMode;

/*
// cipher operations
*/
typedef enum {
   ENCRYPT=0,
   DECRYPT,
   OPERATION_UNKNOWN = -1
} CipherOperation;

/*
// ciphers data blocksizes
*/
#define DES_BLKLEN      (DES_BLOCKSIZE/8)
#define RIJ128_BLKLEN   (RIJNDAEL128_BLOCKSIZE/8)
#define RIJ192_BLKLEN   (RIJNDAEL192_BLOCKSIZE/8)
#define RIJ256_BLKLEN   (RIJNDAEL256_BLOCKSIZE/8)
#define BLF_BLKLEN      (BF_BLOCKSIZE/8)
#define TWF_BLKLEN      (TF_BLOCKSIZE/8)
#define ARCFOUR_BLKLEN  (1)

#define MAX_BLKLEN      (RIJ256_BLKLEN)
#define MAX_KEYLEN      (256)


/*
// cipher info
*/
typedef struct {
   int blockSize; // size of data block of particular cipher
   int minKeyLen; // min and
   int maxKeyLen; // max key length
} CipherInfo;


int CipherBlockSize(AlgoName algo);
int CipherKeyLenMin(AlgoName algo);
int CipherKeyLenMax(AlgoName algo);
int SuitableCipherKeyLen(AlgoName algo, int len);
int SuitableCipherParam(AlgoName algo, CipherMode mode, int p);

char* GetAlgoName(AlgoName a);
char* GetCipherOperationName(CipherOperation op);
char* GetCipherModeName(CipherMode m);


#ifdef  __cplusplus
}
#endif

#endif /* _CIPHERDEFS_H_ */