desalgorithm.h

DES加密解密算法

//---------------------------------------------------------------------------

#ifndef DESAlgorithmH
#define DESAlgorithmH
//---------------------------------------------------------------------------
typedef struct
{
  unsigned long ek[32];
  unsigned long dk[32];
} des_ctx;

void des_key(des_ctx *dc, unsigned char *key);
void des_enc(des_ctx *dc, unsigned char *Data, int blocks);
void des_dec(des_ctx *dc, unsigned char *Data, int blocks);


#endif