linux/crypto/md4.c

/* 
 * Cryptographic API.
 *
 * MD4 Message Digest Algorithm (RFC1320).
 *
 * Implementation derived from Andrew Tridgell and Steve French's
 * CIFS MD4 implementation, and the cryptoapi implementation
 * originally based on the public domain implementation written
 * by Colin Plumb in 1993.
 *
 * Copyright (c) Andrew Tridgell 1997-1998.
 * Modified by Steve French ([email protected]) 2002
 * Copyright (c) Cryptoapi developers.
 * Copyright (c) 2002 David S. Miller ([email protected])
 * Copyright (c) 2002 James Morris <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 */
#include <crypto/internal/hash.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/types.h>
#include <asm/byteorder.h>

#define MD4_DIGEST_SIZE …
#define MD4_HMAC_BLOCK_SIZE …
#define MD4_BLOCK_WORDS …
#define MD4_HASH_WORDS …

struct md4_ctx { … };

static inline u32 lshift(u32 x, unsigned int s)
{ … }

static inline u32 F(u32 x, u32 y, u32 z)
{ … }

static inline u32 G(u32 x, u32 y, u32 z)
{ … }

static inline u32 H(u32 x, u32 y, u32 z)
{ … }

#define ROUND1(a,b,c,d,k,s) …
#define ROUND2(a,b,c,d,k,s) …
#define ROUND3(a,b,c,d,k,s) …

static void md4_transform(u32 *hash, u32 const *in)
{ … }

static inline void md4_transform_helper(struct md4_ctx *ctx)
{ … }

static int md4_init(struct shash_desc *desc)
{ … }

static int md4_update(struct shash_desc *desc, const u8 *data, unsigned int len)
{ … }

static int md4_final(struct shash_desc *desc, u8 *out)
{ … }

static struct shash_alg alg = …;

static int __init md4_mod_init(void)
{ … }

static void __exit md4_mod_fini(void)
{ … }

subsys_initcall(md4_mod_init);
module_exit(md4_mod_fini);

MODULE_LICENSE(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_ALIAS_CRYPTO(…) …;