[mirror_ubuntu-artful-kernel.git] / crypto / tea.c

/* 
 * Cryptographic API.
 *
 * TEA, XTEA, and XETA crypto alogrithms
 *
 * The TEA and Xtended TEA algorithms were developed by David Wheeler 
 * and Roger Needham at the Computer Laboratory of Cambridge University.
 *
 * Due to the order of evaluation in XTEA many people have incorrectly
 * implemented it.  XETA (XTEA in the wrong order), exists for
 * compatibility with these implementations.
 *
 * Copyright (c) 2004 Aaron Grothe ajgrothe@yahoo.com
 *
 * 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 <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <asm/byteorder.h>
#include <linux/crypto.h>
#include <linux/types.h>

#define TEA_KEY_SIZE		16
#define TEA_BLOCK_SIZE		8
#define TEA_ROUNDS		32
#define TEA_DELTA		0x9e3779b9

#define XTEA_KEY_SIZE		16
#define XTEA_BLOCK_SIZE		8
#define XTEA_ROUNDS		32
#define XTEA_DELTA		0x9e3779b9

struct tea_ctx {
	u32 KEY[4];
};

struct xtea_ctx {
	u32 KEY[4];
};

static int tea_setkey(struct crypto_tfm *tfm, const u8 *in_key,
		      unsigned int key_len)
{
	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
	const __le32 *key = (const __le32 *)in_key;

	ctx->KEY[0] = le32_to_cpu(key[0]);
	ctx->KEY[1] = le32_to_cpu(key[1]);
	ctx->KEY[2] = le32_to_cpu(key[2]);
	ctx->KEY[3] = le32_to_cpu(key[3]);

	return 0; 

}

static void tea_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
	u32 y, z, n, sum = 0;
	u32 k0, k1, k2, k3;
	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
	const __le32 *in = (const __le32 *)src;
	__le32 *out = (__le32 *)dst;

	y = le32_to_cpu(in[0]);
	z = le32_to_cpu(in[1]);

	k0 = ctx->KEY[0];
	k1 = ctx->KEY[1];
	k2 = ctx->KEY[2];
	k3 = ctx->KEY[3];

	n = TEA_ROUNDS;

	while (n-- > 0) {
		sum += TEA_DELTA;
		y += ((z << 4) + k0) ^ (z + sum) ^ ((z >> 5) + k1);
		z += ((y << 4) + k2) ^ (y + sum) ^ ((y >> 5) + k3);
	}
	
	out[0] = cpu_to_le32(y);
	out[1] = cpu_to_le32(z);
}

static void tea_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
	u32 y, z, n, sum;
	u32 k0, k1, k2, k3;
	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
	const __le32 *in = (const __le32 *)src;
	__le32 *out = (__le32 *)dst;

	y = le32_to_cpu(in[0]);
	z = le32_to_cpu(in[1]);

	k0 = ctx->KEY[0];
	k1 = ctx->KEY[1];
	k2 = ctx->KEY[2];
	k3 = ctx->KEY[3];

	sum = TEA_DELTA << 5;

	n = TEA_ROUNDS;

	while (n-- > 0) {
		z -= ((y << 4) + k2) ^ (y + sum) ^ ((y >> 5) + k3);
		y -= ((z << 4) + k0) ^ (z + sum) ^ ((z >> 5) + k1);
		sum -= TEA_DELTA;
	}
	
	out[0] = cpu_to_le32(y);
	out[1] = cpu_to_le32(z);
}

static int xtea_setkey(struct crypto_tfm *tfm, const u8 *in_key,
		       unsigned int key_len)
{
	struct xtea_ctx *ctx = crypto_tfm_ctx(tfm);
	const __le32 *key = (const __le32 *)in_key;

	ctx->KEY[0] = le32_to_cpu(key[0]);
	ctx->KEY[1] = le32_to_cpu(key[1]);
	ctx->KEY[2] = le32_to_cpu(key[2]);
	ctx->KEY[3] = le32_to_cpu(key[3]);

	return 0; 

}

static void xtea_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
	u32 y, z, sum = 0;
	u32 limit = XTEA_DELTA * XTEA_ROUNDS;
	struct xtea_ctx *ctx = crypto_tfm_ctx(tfm);
	const __le32 *in = (const __le32 *)src;
	__le32 *out = (__le32 *)dst;

	y = le32_to_cpu(in[0]);
	z = le32_to_cpu(in[1]);

	while (sum != limit) {
		y += ((z << 4 ^ z >> 5) + z) ^ (sum + ctx->KEY[sum&3]); 
		sum += XTEA_DELTA;
		z += ((y << 4 ^ y >> 5) + y) ^ (sum + ctx->KEY[sum>>11 &3]); 
	}
	
	out[0] = cpu_to_le32(y);
	out[1] = cpu_to_le32(z);
}

static void xtea_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
	u32 y, z, sum;
	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
	const __le32 *in = (const __le32 *)src;
	__le32 *out = (__le32 *)dst;

	y = le32_to_cpu(in[0]);
	z = le32_to_cpu(in[1]);

	sum = XTEA_DELTA * XTEA_ROUNDS;

	while (sum) {
		z -= ((y << 4 ^ y >> 5) + y) ^ (sum + ctx->KEY[sum>>11 & 3]);
		sum -= XTEA_DELTA;
		y -= ((z << 4 ^ z >> 5) + z) ^ (sum + ctx->KEY[sum & 3]);
	}
	
	out[0] = cpu_to_le32(y);
	out[1] = cpu_to_le32(z);
}


static void xeta_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
	u32 y, z, sum = 0;
	u32 limit = XTEA_DELTA * XTEA_ROUNDS;
	struct xtea_ctx *ctx = crypto_tfm_ctx(tfm);
	const __le32 *in = (const __le32 *)src;
	__le32 *out = (__le32 *)dst;

	y = le32_to_cpu(in[0]);
	z = le32_to_cpu(in[1]);

	while (sum != limit) {
		y += (z << 4 ^ z >> 5) + (z ^ sum) + ctx->KEY[sum&3];
		sum += XTEA_DELTA;
		z += (y << 4 ^ y >> 5) + (y ^ sum) + ctx->KEY[sum>>11 &3];
	}
	
	out[0] = cpu_to_le32(y);
	out[1] = cpu_to_le32(z);
}

static void xeta_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
	u32 y, z, sum;
	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
	const __le32 *in = (const __le32 *)src;
	__le32 *out = (__le32 *)dst;

	y = le32_to_cpu(in[0]);
	z = le32_to_cpu(in[1]);

	sum = XTEA_DELTA * XTEA_ROUNDS;

	while (sum) {
		z -= (y << 4 ^ y >> 5) + (y ^ sum) + ctx->KEY[sum>>11 & 3];
		sum -= XTEA_DELTA;
		y -= (z << 4 ^ z >> 5) + (z ^ sum) + ctx->KEY[sum & 3];
	}
	
	out[0] = cpu_to_le32(y);
	out[1] = cpu_to_le32(z);
}

static struct crypto_alg tea_algs[3] = { {
	.cra_name		=	"tea",
	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
	.cra_blocksize		=	TEA_BLOCK_SIZE,
	.cra_ctxsize		=	sizeof (struct tea_ctx),
	.cra_alignmask		=	3,
	.cra_module		=	THIS_MODULE,
	.cra_u			=	{ .cipher = {
	.cia_min_keysize	=	TEA_KEY_SIZE,
	.cia_max_keysize	=	TEA_KEY_SIZE,
	.cia_setkey		= 	tea_setkey,
	.cia_encrypt		=	tea_encrypt,
	.cia_decrypt		=	tea_decrypt } }
}, {
	.cra_name		=	"xtea",
	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
	.cra_blocksize		=	XTEA_BLOCK_SIZE,
	.cra_ctxsize		=	sizeof (struct xtea_ctx),
	.cra_alignmask		=	3,
	.cra_module		=	THIS_MODULE,
	.cra_u			=	{ .cipher = {
	.cia_min_keysize	=	XTEA_KEY_SIZE,
	.cia_max_keysize	=	XTEA_KEY_SIZE,
	.cia_setkey		= 	xtea_setkey,
	.cia_encrypt		=	xtea_encrypt,
	.cia_decrypt		=	xtea_decrypt } }
}, {
	.cra_name		=	"xeta",
	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
	.cra_blocksize		=	XTEA_BLOCK_SIZE,
	.cra_ctxsize		=	sizeof (struct xtea_ctx),
	.cra_alignmask		=	3,
	.cra_module		=	THIS_MODULE,
	.cra_u			=	{ .cipher = {
	.cia_min_keysize	=	XTEA_KEY_SIZE,
	.cia_max_keysize	=	XTEA_KEY_SIZE,
	.cia_setkey		= 	xtea_setkey,
	.cia_encrypt		=	xeta_encrypt,
	.cia_decrypt		=	xeta_decrypt } }
} };

static int __init tea_mod_init(void)
{
	return crypto_register_algs(tea_algs, ARRAY_SIZE(tea_algs));
}

static void __exit tea_mod_fini(void)
{
	crypto_unregister_algs(tea_algs, ARRAY_SIZE(tea_algs));
}

MODULE_ALIAS_CRYPTO("tea");
MODULE_ALIAS_CRYPTO("xtea");
MODULE_ALIAS_CRYPTO("xeta");

module_init(tea_mod_init);
module_exit(tea_mod_fini);

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("TEA, XTEA & XETA Cryptographic Algorithms");
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Cryptographic API.
	3	*
fb4f10ed	4	* TEA, XTEA, and XETA crypto alogrithms
1da177e4 LT	5	*
	6	* The TEA and Xtended TEA algorithms were developed by David Wheeler
	7	* and Roger Needham at the Computer Laboratory of Cambridge University.
	8	*
fb4f10ed AG	9	* Due to the order of evaluation in XTEA many people have incorrectly
	10	* implemented it. XETA (XTEA in the wrong order), exists for
	11	* compatibility with these implementations.
	12	*
1da177e4 LT	13	* Copyright (c) 2004 Aaron Grothe ajgrothe@yahoo.com
	14	*
	15	* This program is free software; you can redistribute it and/or modify
	16	* it under the terms of the GNU General Public License as published by
	17	* the Free Software Foundation; either version 2 of the License, or
	18	* (at your option) any later version.
	19	*
	20	*/
	21
	22	#include <linux/init.h>
	23	#include <linux/module.h>
	24	#include <linux/mm.h>
06ace7a9	25	#include <asm/byteorder.h>
1da177e4	26	#include <linux/crypto.h>
06ace7a9	27	#include <linux/types.h>
1da177e4 LT	28
	29	#define TEA_KEY_SIZE 16
	30	#define TEA_BLOCK_SIZE 8
	31	#define TEA_ROUNDS 32
	32	#define TEA_DELTA 0x9e3779b9
	33
	34	#define XTEA_KEY_SIZE 16
	35	#define XTEA_BLOCK_SIZE 8
	36	#define XTEA_ROUNDS 32
	37	#define XTEA_DELTA 0x9e3779b9
	38
1da177e4 LT	39	struct tea_ctx {
	40	u32 KEY[4];
	41	};
	42
	43	struct xtea_ctx {
	44	u32 KEY[4];
	45	};
	46
6c2bb98b	47	static int tea_setkey(struct crypto_tfm tfm, const u8 in_key,
560c06ae	48	unsigned int key_len)
6c2bb98b HX	49	{
6c2bb98b HX	50	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9	51	const __le32 key = (const __le32 )in_key;
1da177e4	52
06ace7a9 HX	53	ctx->KEY[0] = le32_to_cpu(key[0]);
	54	ctx->KEY[1] = le32_to_cpu(key[1]);
	55	ctx->KEY[2] = le32_to_cpu(key[2]);
	56	ctx->KEY[3] = le32_to_cpu(key[3]);
1da177e4 LT	57
	58	return 0;
	59
	60	}
	61
6c2bb98b HX	62	static void tea_encrypt(struct crypto_tfm tfm, u8 dst, const u8 *src)
6c2bb98b HX	63	{
1da177e4 LT	64	u32 y, z, n, sum = 0;
1da177e4 LT	65	u32 k0, k1, k2, k3;
6c2bb98b	66	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9 HX	67	const __le32 in = (const __le32 )src;
06ace7a9 HX	68	__le32 out = (__le32 )dst;
1da177e4	69
06ace7a9 HX	70	y = le32_to_cpu(in[0]);
06ace7a9 HX	71	z = le32_to_cpu(in[1]);
1da177e4 LT	72
	73	k0 = ctx->KEY[0];
	74	k1 = ctx->KEY[1];
	75	k2 = ctx->KEY[2];
	76	k3 = ctx->KEY[3];
	77
	78	n = TEA_ROUNDS;
	79
	80	while (n-- > 0) {
	81	sum += TEA_DELTA;
	82	y += ((z << 4) + k0) ^ (z + sum) ^ ((z >> 5) + k1);
	83	z += ((y << 4) + k2) ^ (y + sum) ^ ((y >> 5) + k3);
	84	}
	85
06ace7a9 HX	86	out[0] = cpu_to_le32(y);
06ace7a9 HX	87	out[1] = cpu_to_le32(z);
1da177e4 LT	88	}
1da177e4 LT	89
6c2bb98b HX	90	static void tea_decrypt(struct crypto_tfm tfm, u8 dst, const u8 *src)
6c2bb98b HX	91	{
1da177e4 LT	92	u32 y, z, n, sum;
1da177e4 LT	93	u32 k0, k1, k2, k3;
6c2bb98b	94	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9 HX	95	const __le32 in = (const __le32 )src;
06ace7a9 HX	96	__le32 out = (__le32 )dst;
1da177e4	97
06ace7a9 HX	98	y = le32_to_cpu(in[0]);
06ace7a9 HX	99	z = le32_to_cpu(in[1]);
1da177e4 LT	100
	101	k0 = ctx->KEY[0];
	102	k1 = ctx->KEY[1];
	103	k2 = ctx->KEY[2];
	104	k3 = ctx->KEY[3];
	105
	106	sum = TEA_DELTA << 5;
	107
	108	n = TEA_ROUNDS;
	109
	110	while (n-- > 0) {
	111	z -= ((y << 4) + k2) ^ (y + sum) ^ ((y >> 5) + k3);
	112	y -= ((z << 4) + k0) ^ (z + sum) ^ ((z >> 5) + k1);
	113	sum -= TEA_DELTA;
	114	}
	115
06ace7a9 HX	116	out[0] = cpu_to_le32(y);
06ace7a9 HX	117	out[1] = cpu_to_le32(z);
1da177e4 LT	118	}
1da177e4 LT	119
6c2bb98b	120	static int xtea_setkey(struct crypto_tfm tfm, const u8 in_key,
560c06ae	121	unsigned int key_len)
6c2bb98b HX	122	{
6c2bb98b HX	123	struct xtea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9	124	const __le32 key = (const __le32 )in_key;
1da177e4	125
06ace7a9 HX	126	ctx->KEY[0] = le32_to_cpu(key[0]);
	127	ctx->KEY[1] = le32_to_cpu(key[1]);
	128	ctx->KEY[2] = le32_to_cpu(key[2]);
	129	ctx->KEY[3] = le32_to_cpu(key[3]);
1da177e4 LT	130
	131	return 0;
	132
	133	}
	134
6c2bb98b HX	135	static void xtea_encrypt(struct crypto_tfm tfm, u8 dst, const u8 *src)
6c2bb98b HX	136	{
1da177e4 LT	137	u32 y, z, sum = 0;
1da177e4 LT	138	u32 limit = XTEA_DELTA * XTEA_ROUNDS;
6c2bb98b	139	struct xtea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9 HX	140	const __le32 in = (const __le32 )src;
06ace7a9 HX	141	__le32 out = (__le32 )dst;
1da177e4	142
06ace7a9 HX	143	y = le32_to_cpu(in[0]);
06ace7a9 HX	144	z = le32_to_cpu(in[1]);
1da177e4 LT	145
1da177e4 LT	146	while (sum != limit) {
fb4f10ed	147	y += ((z << 4 ^ z >> 5) + z) ^ (sum + ctx->KEY[sum&3]);
1da177e4	148	sum += XTEA_DELTA;
fb4f10ed	149	z += ((y << 4 ^ y >> 5) + y) ^ (sum + ctx->KEY[sum>>11 &3]);
1da177e4 LT	150	}
1da177e4 LT	151
06ace7a9 HX	152	out[0] = cpu_to_le32(y);
06ace7a9 HX	153	out[1] = cpu_to_le32(z);
1da177e4 LT	154	}
1da177e4 LT	155
6c2bb98b HX	156	static void xtea_decrypt(struct crypto_tfm tfm, u8 dst, const u8 *src)
6c2bb98b HX	157	{
1da177e4	158	u32 y, z, sum;
6c2bb98b	159	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9 HX	160	const __le32 in = (const __le32 )src;
06ace7a9 HX	161	__le32 out = (__le32 )dst;
1da177e4	162
06ace7a9 HX	163	y = le32_to_cpu(in[0]);
06ace7a9 HX	164	z = le32_to_cpu(in[1]);
1da177e4 LT	165
	166	sum = XTEA_DELTA * XTEA_ROUNDS;
	167
fb4f10ed AG	168	while (sum) {
	169	z -= ((y << 4 ^ y >> 5) + y) ^ (sum + ctx->KEY[sum>>11 & 3]);
	170	sum -= XTEA_DELTA;
	171	y -= ((z << 4 ^ z >> 5) + z) ^ (sum + ctx->KEY[sum & 3]);
	172	}
	173
06ace7a9 HX	174	out[0] = cpu_to_le32(y);
06ace7a9 HX	175	out[1] = cpu_to_le32(z);
fb4f10ed AG	176	}
	177
	178
6c2bb98b HX	179	static void xeta_encrypt(struct crypto_tfm tfm, u8 dst, const u8 *src)
6c2bb98b HX	180	{
fb4f10ed AG	181	u32 y, z, sum = 0;
fb4f10ed AG	182	u32 limit = XTEA_DELTA * XTEA_ROUNDS;
6c2bb98b	183	struct xtea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9 HX	184	const __le32 in = (const __le32 )src;
06ace7a9 HX	185	__le32 out = (__le32 )dst;
fb4f10ed	186
06ace7a9 HX	187	y = le32_to_cpu(in[0]);
06ace7a9 HX	188	z = le32_to_cpu(in[1]);
fb4f10ed AG	189
	190	while (sum != limit) {
	191	y += (z << 4 ^ z >> 5) + (z ^ sum) + ctx->KEY[sum&3];
	192	sum += XTEA_DELTA;
	193	z += (y << 4 ^ y >> 5) + (y ^ sum) + ctx->KEY[sum>>11 &3];
	194	}
	195
06ace7a9 HX	196	out[0] = cpu_to_le32(y);
06ace7a9 HX	197	out[1] = cpu_to_le32(z);
fb4f10ed AG	198	}
fb4f10ed AG	199
6c2bb98b HX	200	static void xeta_decrypt(struct crypto_tfm tfm, u8 dst, const u8 *src)
6c2bb98b HX	201	{
fb4f10ed	202	u32 y, z, sum;
6c2bb98b	203	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9 HX	204	const __le32 in = (const __le32 )src;
06ace7a9 HX	205	__le32 out = (__le32 )dst;
fb4f10ed	206
06ace7a9 HX	207	y = le32_to_cpu(in[0]);
06ace7a9 HX	208	z = le32_to_cpu(in[1]);
fb4f10ed AG	209
	210	sum = XTEA_DELTA * XTEA_ROUNDS;
	211
1da177e4 LT	212	while (sum) {
	213	z -= (y << 4 ^ y >> 5) + (y ^ sum) + ctx->KEY[sum>>11 & 3];
	214	sum -= XTEA_DELTA;
	215	y -= (z << 4 ^ z >> 5) + (z ^ sum) + ctx->KEY[sum & 3];
	216	}
	217
06ace7a9 HX	218	out[0] = cpu_to_le32(y);
06ace7a9 HX	219	out[1] = cpu_to_le32(z);
1da177e4 LT	220	}
1da177e4 LT	221
738206d3	222	static struct crypto_alg tea_algs[3] = { {
1da177e4 LT	223	.cra_name = "tea",
	224	.cra_flags = CRYPTO_ALG_TYPE_CIPHER,
	225	.cra_blocksize = TEA_BLOCK_SIZE,
	226	.cra_ctxsize = sizeof (struct tea_ctx),
a429d260	227	.cra_alignmask = 3,
1da177e4	228	.cra_module = THIS_MODULE,
1da177e4 LT	229	.cra_u = { .cipher = {
	230	.cia_min_keysize = TEA_KEY_SIZE,
	231	.cia_max_keysize = TEA_KEY_SIZE,
	232	.cia_setkey = tea_setkey,
	233	.cia_encrypt = tea_encrypt,
	234	.cia_decrypt = tea_decrypt } }
738206d3	235	}, {
1da177e4 LT	236	.cra_name = "xtea",
	237	.cra_flags = CRYPTO_ALG_TYPE_CIPHER,
	238	.cra_blocksize = XTEA_BLOCK_SIZE,
	239	.cra_ctxsize = sizeof (struct xtea_ctx),
a429d260	240	.cra_alignmask = 3,
1da177e4	241	.cra_module = THIS_MODULE,
1da177e4 LT	242	.cra_u = { .cipher = {
	243	.cia_min_keysize = XTEA_KEY_SIZE,
	244	.cia_max_keysize = XTEA_KEY_SIZE,
	245	.cia_setkey = xtea_setkey,
	246	.cia_encrypt = xtea_encrypt,
	247	.cia_decrypt = xtea_decrypt } }
738206d3	248	}, {
fb4f10ed AG	249	.cra_name = "xeta",
	250	.cra_flags = CRYPTO_ALG_TYPE_CIPHER,
	251	.cra_blocksize = XTEA_BLOCK_SIZE,
	252	.cra_ctxsize = sizeof (struct xtea_ctx),
a429d260	253	.cra_alignmask = 3,
fb4f10ed	254	.cra_module = THIS_MODULE,
fb4f10ed AG	255	.cra_u = { .cipher = {
	256	.cia_min_keysize = XTEA_KEY_SIZE,
	257	.cia_max_keysize = XTEA_KEY_SIZE,
	258	.cia_setkey = xtea_setkey,
	259	.cia_encrypt = xeta_encrypt,
	260	.cia_decrypt = xeta_decrypt } }
738206d3	261	} };
fb4f10ed	262
3af5b90b	263	static int __init tea_mod_init(void)
1da177e4	264	{
738206d3	265	return crypto_register_algs(tea_algs, ARRAY_SIZE(tea_algs));
1da177e4 LT	266	}
1da177e4 LT	267
3af5b90b	268	static void __exit tea_mod_fini(void)
1da177e4	269	{
738206d3	270	crypto_unregister_algs(tea_algs, ARRAY_SIZE(tea_algs));
1da177e4 LT	271	}
1da177e4 LT	272
3e14dcf7	273	MODULE_ALIAS_CRYPTO("tea");
5d26a105 KC	274	MODULE_ALIAS_CRYPTO("xtea");
5d26a105 KC	275	MODULE_ALIAS_CRYPTO("xeta");
1da177e4	276
3af5b90b KB	277	module_init(tea_mod_init);
3af5b90b KB	278	module_exit(tea_mod_fini);
1da177e4 LT	279
1da177e4 LT	280	MODULE_LICENSE("GPL");
fb4f10ed	281	MODULE_DESCRIPTION("TEA, XTEA & XETA Cryptographic Algorithms");