md5.c File Reference

#include <string.h>
#include "md5.h"

Go to the source code of this file.

Macros
#define	GET_UINT32(n, b, i)   n = b[i] + (b[i+1]<<8) + (b[i+2]<<16) + (b[i+3]<<24)
#define	PUT_UINT32(n, b, i)   do { b[i] = n; b[i+1] = n >> 8; b[i+2] = n >> 16; b[i+3] = n >> 24; } while(0)
#define	S(x, n)   ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
#define	P(a, b, c, d, k, s, t)
#define	F(x, y, z)   (z ^ (x & (y ^ z)))
#define	F(x, y, z)   (y ^ (z & (x ^ y)))
#define	F(x, y, z)   (x ^ y ^ z)
#define	F(x, y, z)   (y ^ (x | ~z))

Functions
void	md5_starts (md5_context *ctx)
void	md5_process (md5_context *ctx, const uint8_t data[64])
void	md5_update (md5_context *ctx, const uint8_t *input, uint32_t length)
void	md5_finish (md5_context *ctx, uint8_t digest[16])

Variables
const uint8_t	md5_padding [64]

Macro Definition Documentation

#define F	(		x,
			y,
			z
	)		(z ^ (x & (y ^ z)))

#define F	(		x,
			y,
			z
	)		(y ^ (z & (x ^ y)))

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

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

#define GET_UINT32	(		n,
			b,
			i
	)		n = b[i] + (b[i+1]<<8) + (b[i+2]<<16) + (b[i+3]<<24)

Definition at line 5 of file md5.c.

#define P	(		a,
			b,
			c,
			d,
			k,
			s,
			t
	)

Value:

{                                                 \
		a += F(b,c,d) + X[k] + t; a = S(a,s) + b; \
  }

#define PUT_UINT32	(		n,
			b,
			i
	)		do { b[i] = n; b[i+1] = n >> 8; b[i+2] = n >> 16; b[i+3] = n >> 24; } while(0)

Definition at line 6 of file md5.c.

#define S	(		x,
			n
	)		((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))

Function Documentation

void md5_finish	(	md5_context *	ctx,
		uint8_t	digest[16]
	)

Definition at line 181 of file md5.c.

void md5_process	(	md5_context *	ctx,
		const uint8_t	data[64]
	)

Definition at line 18 of file md5.c.

void md5_starts

(

md5_context *

ctx

)

Definition at line 8 of file md5.c.

void md5_update	(	md5_context *	ctx,
		const uint8_t *	input,
		uint32_t	length
	)

Definition at line 140 of file md5.c.

Variable Documentation

const uint8_t md5_padding[64]

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
}

Definition at line 174 of file md5.c.