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 u_int16_t	UINT2
typedef u_int32_t	UINT4

Functions
	__FBSDID ("$BSDSUniX$")
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 (digest, MD4_CTX *context)
static void	MD4Transform (state, block)
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

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

Definition at line 68 of file md4c.c.

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

Value:

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

Definition at line 78 of file md4c.c.

Referenced by MD4Transform().

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

Definition at line 69 of file md4c.c.

#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 82 of file md4c.c.

Referenced by MD4Transform().

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

Definition at line 70 of file md4c.c.

#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 86 of file md4c.c.

Referenced by MD4Transform().

#define PROTO_LIST

(

list

)

list

Definition at line 37 of file md4c.c.

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

Definition at line 74 of file md4c.c.

#define S11   3

Definition at line 41 of file md4c.c.

Referenced by MD4Transform().

#define S12   7

Definition at line 42 of file md4c.c.

Referenced by MD4Transform().

#define S13   11

Definition at line 43 of file md4c.c.

Referenced by MD4Transform().

#define S14   19

Definition at line 44 of file md4c.c.

Referenced by MD4Transform().

#define S21   3

Definition at line 45 of file md4c.c.

Referenced by MD4Transform().

#define S22   5

Definition at line 46 of file md4c.c.

Referenced by MD4Transform().

#define S23   9

Definition at line 47 of file md4c.c.

Referenced by MD4Transform().

#define S24   13

Definition at line 48 of file md4c.c.

Referenced by MD4Transform().

#define S31   3

Definition at line 49 of file md4c.c.

Referenced by MD4Transform().

#define S32   9

Definition at line 50 of file md4c.c.

Referenced by MD4Transform().

#define S33   11

Definition at line 51 of file md4c.c.

Referenced by MD4Transform().

#define S34   15

Definition at line 52 of file md4c.c.

Referenced by MD4Transform().

Typedef Documentation

typedef unsigned char* POINTER

Definition at line 33 of file md4c.c.

typedef u_int16_t UINT2

Definition at line 34 of file md4c.c.

typedef u_int32_t UINT4

Definition at line 35 of file md4c.c.

Function Documentation

__FBSDID

(

"$BSDSUniX$"

)

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

static

Definition at line 277 of file md4c.c.

Referenced by MD4Transform().

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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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void MD4Final	(	digest	,
		MD4_CTX *	context
	)

Definition at line 167 of file md4c.c.

References Encode(), and MD4Pad().

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void MD4Init

(

MD4_CTX *

context

)

Definition at line 93 of file md4c.c.

void MD4Pad

(

MD4_CTX *

context

)

Definition at line 145 of file md4c.c.

References Encode(), and MD4Update().

Referenced by MD4Final().

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static void MD4Transform ( state  , block    )

static

Definition at line 184 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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void MD4Update	(	MD4_CTX *	context,
		const unsigned char *	input,
		unsigned int	inputLen
	)

Definition at line 110 of file md4c.c.

References MD4Transform().

Referenced by MD4Pad().

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

static

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

static

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

static

Variable Documentation

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 60 of file md4c.c.