des1.h

来自「MD5加密解密,包装为c++ 类,方便使用.」· C头文件 代码 · 共 47 行

#include <stdio.h>
#ifndef _DES_H
#define _DES_H

#ifndef uint8
#define uint8  unsigned char
#endif

#ifndef uint32
#define uint32 unsigned long int
#endif

typedef struct
{
    uint32 esk[32];     /* DES encryption subkeys */
    uint32 dsk[32];     /* DES decryption subkeys */
}
des_context;

typedef struct
{
    uint32 esk[96];     /* Triple-DES encryption subkeys */
    uint32 dsk[96];     /* Triple-DES decryption subkeys */
}
des3_context;

int  des_set_key( des_context *ctx, uint8 key[8] );
void des_encrypt( des_context *ctx, uint8 input[8], uint8 output[8] );
void des_decrypt( des_context *ctx, uint8 input[8], uint8 output[8] );

int  des3_set_2keys( des3_context *ctx, uint8 key1[8], uint8 key2[8] );
int  des3_set_3keys( des3_context *ctx, uint8 key1[8], uint8 key2[8],
                                        uint8 key3[8] );

void des3_encrypt( des3_context *ctx, uint8 input[8], uint8 output[8] );
void des3_decrypt( des3_context *ctx, uint8 input[8], uint8 output[8] );

//void Encrypt(uint8 input[], int iInputSize, uint8 key[], int iKeySize, uint8 output[]);
//char* EncryptToString(char *strInputPassword);//wang
//void EncryptToFile(char *strInputPassword, char *strEncryedPasswordFileName);//wang
//int VerifyPassword(char *strInputPassword, char *strEncryedPasswordFileName);//sun
//void EncryptFile(char *strToEncryFileName, char *strKey, char *strEncryedFileName);//wang

//int DecryptFile(char *strToDecryFileName, char *strKey, char *strDecryedFileName,char *pcTempFolder);//sun
int DecryptFile(FILE *pfToDecryFileName, char *strKey, FILE *pfDecryedFileName,FILE *pfTempFolder);//sun
int DecryptString(const uint8 *pcStringToDecrypt, int iLenOfStringToDecrypt, const uint8 *pcKey, int iLenOfKey, uint8 *pcDecryedString);//return the length of the decrypted string, -1 for error
#endif /* des.h */