//MD5.h
#ifndef   _LGY_MD5_H
#define   _LGY_MD5_H
class   MD5_CTX
{
  public:
  MD5_CTX();  
  virtual ~MD5_CTX();
  void MD5Update(unsigned char *input,unsigned int inputLen);
  void MD5Final(unsigned char digest[16]);

  private:
  unsigned long int state[4];
  unsigned long int count[2];
  unsigned char buffer[64];
  unsigned char PADDING[64];

  private:  
  void MD5Init();
  void MD5Transform(unsigned long int state[4],unsigned char block[64]);
  void MD5_memcpy(unsigned char* output,unsigned char* input,unsigned int len);
  void Encode(unsigned char *output,unsigned long int *input,unsigned int len);
  void Decode(unsigned long  int *output,unsigned  char *input,unsigned int len);
  void MD5_memset(unsigned char* output,int value,unsigned int len);
};
#endif