#ifndef MD5_H
#define MD5_h

/* POINTER defines a generic pointer type */
typedef unsigned char *POINTER;

/* UINT2 defines a two byte word */
typedef unsigned short int UINT2;

/* UINT4 defines a four byte word */
typedef unsigned long int UINT4;

/* MD5 context. */
typedef struct 
{
  UINT4 state[4];                                   /* state (ABCD) */
  UINT4 count[2];        /* number of bits, modulo 2^64 (lsb first) */
  unsigned char buffer[64];                         /* input buffer */
} MD5_CTX;

void MD5Init(MD5_CTX * context);
void MD5Update(MD5_CTX *context, unsigned char *input, unsigned int inputLen);
void MD5Final(unsigned char digest[16], MD5_CTX *context);

//return the md5sum (in the form of static-local-variable),whose length is 16 bytes
unsigned char* ComputeHash(unsigned char *src,int len);

#endif /* MD5_H */