www.pudn.com > DESAlgorithm.rar > DESAlgorithm.h

//--------------------------------------------------------------------------- 
 
#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