md4c.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/md4.h>

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Macros
#define	PROTO_LIST(list)   list
#define	S11   3
#define	S12   7
#define	S13   11
#define	S14   19
#define	S21   3
#define	S22   5
#define	S23   9
#define	S24   13
#define	S31   3
#define	S32   9
#define	S33   11
#define	S34   15
#define	F(x, y, z)   (((x) & (y)) | ((~x) & (z)))
#define	G(x, y, z)   (((x) & (y)) | ((x) & (z)) | ((y) & (z)))
#define	H(x, y, z)   ((x) ^ (y) ^ (z))
#define	ROTATE_LEFT(x, n)   (((x) << (n)) | ((x) >> (32-(n))))
#define	FF(a, b, c, d, x, s)
#define	GG(a, b, c, d, x, s)
#define	HH(a, b, c, d, x, s)

Typedefs
typedef unsigned char *	POINTER
typedef uint16_t	UINT2
typedef uint32_t	UINT4

Functions
	__FBSDID ("$FreeBSD$")
static void MD4Transform	PROTO_LIST ((UINT4[4], const unsigned char[64]))
static void Encode	PROTO_LIST ((unsigned char *, UINT4 *, unsigned int))
static void Decode	PROTO_LIST ((UINT4 *, const unsigned char *, unsigned int))
void	MD4Init (MD4_CTX *context)
void	MD4Update (MD4_CTX *context, const unsigned char *input, unsigned int inputLen)
void	MD4Pad (MD4_CTX *context)
void	MD4Final (unsigned char digest[static 16], MD4_CTX *context)
static void	MD4Transform (UINT4 state[4], const unsigned char block[64])
static void	Encode (unsigned char *output, UINT4 *input, unsigned int len)
static void	Decode (UINT4 *output, const unsigned char *input, unsigned int len)

Variables
static unsigned char	PADDING [64]

Macro Definition Documentation

F

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

Definition at line 70 of file md4c.c.

FF

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

Value:

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

Definition at line 80 of file md4c.c.

G

#define G	(		x,
			y,
			z
	)		(((x) & (y)) | ((x) & (z)) | ((y) & (z)))

Definition at line 71 of file md4c.c.

GG

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

Value:

    { \
    (a) += G ((b), (c), (d)) + (x) + (UINT4)0x5a827999; \
    (a) = ROTATE_LEFT ((a), (s)); \
  }

Definition at line 84 of file md4c.c.

H

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

Definition at line 72 of file md4c.c.

HH

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

Value:

    { \
    (a) += H ((b), (c), (d)) + (x) + (UINT4)0x6ed9eba1; \
    (a) = ROTATE_LEFT ((a), (s)); \
  }

Definition at line 88 of file md4c.c.

PROTO_LIST

#define PROTO_LIST

(

list

)

list

Definition at line 39 of file md4c.c.

ROTATE_LEFT

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

Definition at line 76 of file md4c.c.

S11

#define S11   3

Definition at line 43 of file md4c.c.

S12

#define S12   7

Definition at line 44 of file md4c.c.

S13

#define S13   11

Definition at line 45 of file md4c.c.

S14

#define S14   19

Definition at line 46 of file md4c.c.

S21

#define S21   3

Definition at line 47 of file md4c.c.

S22

#define S22   5

Definition at line 48 of file md4c.c.

S23

#define S23   9

Definition at line 49 of file md4c.c.

S24

#define S24   13

Definition at line 50 of file md4c.c.

S31

#define S31   3

Definition at line 51 of file md4c.c.

S32

#define S32   9

Definition at line 52 of file md4c.c.

S33

#define S33   11

Definition at line 53 of file md4c.c.

S34

#define S34   15

Definition at line 54 of file md4c.c.

Typedef Documentation

POINTER

typedef unsigned char* POINTER

Definition at line 35 of file md4c.c.

UINT2

typedef uint16_t UINT2

Definition at line 36 of file md4c.c.

UINT4

typedef uint32_t UINT4

Definition at line 37 of file md4c.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

Decode()

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

static

Definition at line 275 of file md4c.c.

Referenced by MD4Transform().

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Encode()

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

static

Definition at line 259 of file md4c.c.

Referenced by MD4Final(), and MD4Pad().

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MD4Final()

void MD4Final	(	unsigned char	digest[static 16],
		MD4_CTX *	context
	)

Definition at line 169 of file md4c.c.

References Encode(), and MD4Pad().

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MD4Init()

void MD4Init

(

MD4_CTX *

context

)

Definition at line 96 of file md4c.c.

MD4Pad()

void MD4Pad

(

MD4_CTX *

context

)

Definition at line 147 of file md4c.c.

References Encode(), MD4Update(), and PADDING.

Referenced by MD4Final().

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MD4Transform()

static void MD4Transform ( UINT4  state[4], const unsigned char  block[64]  )

static

Definition at line 185 of file md4c.c.

References Decode(), FF, GG, HH, S11, S12, S13, S14, S21, S22, S23, S24, S31, S32, S33, and S34.

Referenced by MD4Update().

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MD4Update()

void MD4Update	(	MD4_CTX *	context,
		const unsigned char *	input,
		unsigned int	inputLen
	)

Definition at line 113 of file md4c.c.

References MD4Transform().

Referenced by MD4Pad().

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PROTO_LIST() [1/3]

static void Decode PROTO_LIST ( (UINT4 *, const unsigned char *, unsigned int)  )

static

PROTO_LIST() [2/3]

static void MD4Transform PROTO_LIST ( (UINT4[4], const unsigned char[64])  )

static

PROTO_LIST() [3/3]

static void Encode PROTO_LIST ( (unsigned char *, UINT4 *, unsigned int)  )

static

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
}

Definition at line 62 of file md4c.c.

Referenced by MD4Pad().