49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
#ifndef MD5_H
|
|
#define MD5_H
|
|
|
|
typedef struct
|
|
{
|
|
unsigned int count[2];
|
|
unsigned int state[4];
|
|
unsigned char buffer[64];
|
|
}MD5_CTX;
|
|
|
|
|
|
#define F(x,y,z) ((x & y) | (~x & z))
|
|
#define G(x,y,z) ((x & z) | (y & ~z))
|
|
#define H(x,y,z) (x^y^z)
|
|
#define I(x,y,z) (y ^ (x | ~z))
|
|
#define ROTATE_LEFT(x,n) ((x << n) | (x >> (32-n)))
|
|
|
|
#define FF(a,b,c,d,x,s,ac) { \
|
|
a += F(b, c, d) + x + ac; \
|
|
a = ROTATE_LEFT(a, s); \
|
|
a += b; \
|
|
}
|
|
|
|
#define GG(a,b,c,d,x,s,ac) { \
|
|
a += G(b, c, d) + x + ac; \
|
|
a = ROTATE_LEFT(a, s); \
|
|
a += b; \
|
|
}
|
|
|
|
#define HH(a,b,c,d,x,s,ac) { \
|
|
a += H(b, c, d) + x + ac; \
|
|
a = ROTATE_LEFT(a, s); \
|
|
a += b; \
|
|
}
|
|
#define II(a,b,c,d,x,s,ac) { \
|
|
a += I(b, c, d) + x + ac; \
|
|
a = ROTATE_LEFT(a, s); \
|
|
a += b; \
|
|
}
|
|
|
|
|
|
void MD5Init(MD5_CTX *context);
|
|
void MD5Update(MD5_CTX *context, unsigned char *input, unsigned int inputlen);
|
|
void MD5Final(MD5_CTX *context, unsigned char digest[16]);
|
|
void MD5Transform(unsigned int state[4], unsigned char block[64]);
|
|
void MD5Encode(unsigned char *output, unsigned int *input, unsigned int len);
|
|
void MD5Decode(unsigned int *output, unsigned char *input, unsigned int len);
|
|
|
|
#endif |