md4-internal.c File Reference

#include "includes.h"
#include "common.h"
#include "crypto.h"

Include dependency graph for md4-internal.c:

Go to the source code of this file.

Classes
struct	MD4Context
Defines
#define	F1(x, y, z)   (z ^ (x & (y ^ z)))
#define	F2(x, y, z)   ((x & y) | (x & z) | (y & z))
#define	F3(x, y, z)   (x ^ y ^ z)
#define	MD4_BLOCK_LENGTH   64
#define	MD4_DIGEST_LENGTH   16
#define	MD4_DIGEST_STRING_LENGTH   (MD4_DIGEST_LENGTH * 2 + 1)
#define	MD4STEP(f, w, x, y, z, data, s)   ( w += f(x, y, z) + data, w = w<<s | w>>(32-s) )
#define	PUT_32BIT_LE(cp, value)
#define	PUT_64BIT_LE(cp, value)
Typedefs
typedef struct MD4Context	MD4_CTX
Functions
int	md4_vector (size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
static void	MD4Final (unsigned char digest[MD4_DIGEST_LENGTH], MD4_CTX *ctx)
static void	MD4Init (MD4_CTX *ctx)
static void	MD4Pad (MD4_CTX *ctx)
static void	MD4Transform (u32 state[4], const u8 block[MD4_BLOCK_LENGTH])
static void	MD4Update (MD4_CTX *ctx, const unsigned char *input, size_t len)
Variables
static u8	PADDING [MD4_BLOCK_LENGTH]

---

Define Documentation

#define F1	(	x,
		y,
		z		)	(z ^ (x & (y ^ z)))

Definition at line 187 of file md4-internal.c.

#define F2	(	x,
		y,
		z		)	((x & y) | (x & z) | (y & z))

Definition at line 188 of file md4-internal.c.

#define F3	(	x,
		y,
		z		)	(x ^ y ^ z)

Definition at line 189 of file md4-internal.c.

#define MD4_BLOCK_LENGTH   64

Definition at line 20 of file md4-internal.c.

#define MD4_DIGEST_LENGTH   16

Definition at line 21 of file md4-internal.c.

#define MD4_DIGEST_STRING_LENGTH   (MD4_DIGEST_LENGTH * 2 + 1)

Definition at line 69 of file md4-internal.c.

#define MD4STEP	(	f,
		w,
		x,
		y,
		z,
		data,
		s		)	( w += f(x, y, z) + data, w = w<<s | w>>(32-s) )

Definition at line 192 of file md4-internal.c.

#define PUT_32BIT_LE	(	cp,
		value		)

Value:

do {                                    \
        (cp)[3] = (value) >> 24;                                        \
        (cp)[2] = (value) >> 16;                                        \
        (cp)[1] = (value) >> 8;                                         \
        (cp)[0] = (value); } while (0)

Definition at line 85 of file md4-internal.c.

#define PUT_64BIT_LE	(	cp,
		value		)

Value:

do {                                    \
        (cp)[7] = (value) >> 56;                                        \
        (cp)[6] = (value) >> 48;                                        \
        (cp)[5] = (value) >> 40;                                        \
        (cp)[4] = (value) >> 32;                                        \
        (cp)[3] = (value) >> 24;                                        \
        (cp)[2] = (value) >> 16;                                        \
        (cp)[1] = (value) >> 8;                                         \
        (cp)[0] = (value); } while (0)

Definition at line 75 of file md4-internal.c.

---

Typedef Documentation

typedef struct MD4Context MD4_CTX

---

Function Documentation

int md4_vector	(	size_t	num_elem,
		const u8 *	addr[],
		const size_t *	len,
		u8 *	mac
	)

md4_vector - MD4 hash for data vector : Number of elements in the data vector : Pointers to the data areas : Lengths of the data blocks : Buffer for the hash Returns: 0 on success, -1 on failure

Definition at line 35 of file md4-internal.c.

static void MD4Final	(	unsigned char	digest[MD4_DIGEST_LENGTH],
		MD4_CTX *	ctx
	)			[static]

Definition at line 171 of file md4-internal.c.

static void MD4Init

(

MD4_CTX *

ctx

)

[static]

Definition at line 101 of file md4-internal.c.

static void MD4Pad

(

MD4_CTX *

ctx

)

[static]

Definition at line 151 of file md4-internal.c.

static void MD4Transform	(	u32	state[4],
		const u8	block[MD4_BLOCK_LENGTH]
	)			[static]

Definition at line 201 of file md4-internal.c.

static void MD4Update	(	MD4_CTX *	ctx,
		const unsigned char *	input,
		size_t	len
	)			[static]

Definition at line 114 of file md4-internal.c.

---

Variable Documentation

u8 PADDING[MD4_BLOCK_LENGTH] [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 91 of file md4-internal.c.