MD5.c File Reference

#include "global.h"
#include "MD5.h"

Macros
#define	S11   7
#define	S12   12
#define	S13   17
#define	S14   22
#define	S21   5
#define	S22   9
#define	S23   14
#define	S24   20
#define	S31   4
#define	S32   11
#define	S33   16
#define	S34   23
#define	S41   6
#define	S42   10
#define	S43   15
#define	S44   21
#define	MF(x, y, z)   (((x) & (y)) | ((~x) & (z)))
#define	MG(x, y, z)   (((x) & (z)) | ((y) & (~z)))
#define	MH(x, y, z)   ((x) ^ (y) ^ (z))
#define	MI(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)
#define	GG(a, b, c, d, x, s, ac)
#define	HH(a, b, c, d, x, s, ac)
#define	II(a, b, c, d, x, s, ac)

Functions
static void	MD5Transform (UINT4 [4], unsigned char [64])
static void	Encode (unsigned char *, UINT4 *, unsigned int)
static void	Decode (UINT4 *, unsigned char *, unsigned int)
static void	MD5_memcpy (POINTER, POINTER, unsigned int)
static void	MD5_memset (POINTER, int, unsigned int)
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)
void	MD5 (unsigned char strInputString[], unsigned char md5Digest[], unsigned int len)

Variables
static unsigned char	PADDING [64]

Macro Definition Documentation

FF

#define FF	(		a,
			b,
			c,
			d,
			x,
			s,
			ac
	)

Value:

{ \
 (a) += MF ((b), (c), (d)) + (x) + (UINT4)(ac); \
 (a) = ROTATE_LEFT ((a), (s)); \
 (a) += (b); \
  }

GG

#define GG	(		a,
			b,
			c,
			d,
			x,
			s,
			ac
	)

Value:

{ \
 (a) += MG ((b), (c), (d)) + (x) + (UINT4)(ac); \
 (a) = ROTATE_LEFT ((a), (s)); \
 (a) += (b); \
  }

HH

#define HH	(		a,
			b,
			c,
			d,
			x,
			s,
			ac
	)

Value:

{ \
 (a) += MH ((b), (c), (d)) + (x) + (UINT4)(ac); \
 (a) = ROTATE_LEFT ((a), (s)); \
 (a) += (b); \
  }

II

#define II	(		a,
			b,
			c,
			d,
			x,
			s,
			ac
	)

Value:

{ \
 (a) += MI ((b), (c), (d)) + (x) + (UINT4)(ac); \
 (a) = ROTATE_LEFT ((a), (s)); \
 (a) += (b); \
  }

MF

#define MF	(		x,
			y,
			z
	)		(((x) & (y)) | ((~x) & (z)))

MG

#define MG	(		x,
			y,
			z
	)		(((x) & (z)) | ((y) & (~z)))

MH

#define MH	(		x,
			y,
			z
	)		((x) ^ (y) ^ (z))

MI

#define MI	(		x,
			y,
			z
	)		((y) ^ ((x) | (~z)))

ROTATE_LEFT

#define ROTATE_LEFT	(		x,
			n
	)		(((x) << (n)) | ((x) >> (32-(n))))

S11

#define S11   7

S12

#define S12   12

S13

#define S13   17

S14

#define S14   22

S21

#define S21   5

S22

#define S22   9

S23

#define S23   14

S24

#define S24   20

S31

#define S31   4

S32

#define S32   11

S33

#define S33   16

S34

#define S34   23

S41

#define S41   6

S42

#define S42   10

S43

#define S43   15

S44

#define S44   21

Function Documentation

Decode()

static void Decode ( UINT4 *  output, unsigned char *  input, unsigned int  len  )

static

Encode()

static void Encode ( unsigned char *  output, UINT4 *  input, unsigned int  len  )

static

MD5()

void MD5	(	unsigned char	strInputString[],
		unsigned char	md5Digest[],
		unsigned int	len
	)

MD5_memcpy()

static void MD5_memcpy ( POINTER  output, POINTER  input, unsigned int  len  )

static

MD5_memset()

static void MD5_memset ( POINTER  output, int  value, unsigned int  len  )

static

MD5Final()

void MD5Final	(	unsigned char	digest[16],
		MD5_CTX *	context
	)

MD5Init()

void MD5Init

(

MD5_CTX *

context

)

MD5Transform()

static void MD5Transform ( UINT4  state[4], unsigned char  block[64]  )

static

MD5Update()

void MD5Update	(	MD5_CTX *	context,
		unsigned char *	input,
		unsigned int	inputLen
	)

Variable Documentation

PADDING

unsigned char PADDING[64]

static

Initial value:

= {
  0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}