[linux-block.git] / crypto / tea.c

// SPDX-License-Identifier: GPL-2.0-or-later
/* 
 * 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
 */

#include <crypto/algapi.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <asm/byteorder.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_driver_name	=	"tea-generic",
	.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_driver_name	=	"xtea-generic",
	.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_driver_name	=	"xeta-generic",
	.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");

subsys_initcall(tea_mod_init);
module_exit(tea_mod_fini);

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("TEA, XTEA & XETA Cryptographic Algorithms");
Commit	Line	Data
2874c5fd	1	// SPDX-License-Identifier: GPL-2.0-or-later
1da177e4 LT	2	/*
	3	* Cryptographic API.
	4	*
fb4f10ed	5	* TEA, XTEA, and XETA crypto alogrithms
1da177e4 LT	6	*
	7	* The TEA and Xtended TEA algorithms were developed by David Wheeler
	8	* and Roger Needham at the Computer Laboratory of Cambridge University.
	9	*
fb4f10ed AG	10	* Due to the order of evaluation in XTEA many people have incorrectly
	11	* implemented it. XETA (XTEA in the wrong order), exists for
	12	* compatibility with these implementations.
	13	*
1da177e4	14	* Copyright (c) 2004 Aaron Grothe ajgrothe@yahoo.com
1da177e4 LT	15	*/
1da177e4 LT	16
14386d47	17	#include <crypto/algapi.h>
1da177e4 LT	18	#include <linux/init.h>
	19	#include <linux/module.h>
	20	#include <linux/mm.h>
06ace7a9	21	#include <asm/byteorder.h>
06ace7a9	22	#include <linux/types.h>
1da177e4 LT	23
	24	#define TEA_KEY_SIZE 16
	25	#define TEA_BLOCK_SIZE 8
	26	#define TEA_ROUNDS 32
	27	#define TEA_DELTA 0x9e3779b9
	28
	29	#define XTEA_KEY_SIZE 16
	30	#define XTEA_BLOCK_SIZE 8
	31	#define XTEA_ROUNDS 32
	32	#define XTEA_DELTA 0x9e3779b9
	33
1da177e4 LT	34	struct tea_ctx {
	35	u32 KEY[4];
	36	};
	37
	38	struct xtea_ctx {
	39	u32 KEY[4];
	40	};
	41
6c2bb98b	42	static int tea_setkey(struct crypto_tfm tfm, const u8 in_key,
560c06ae	43	unsigned int key_len)
6c2bb98b HX	44	{
6c2bb98b HX	45	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9	46	const __le32 key = (const __le32 )in_key;
1da177e4	47
06ace7a9 HX	48	ctx->KEY[0] = le32_to_cpu(key[0]);
	49	ctx->KEY[1] = le32_to_cpu(key[1]);
	50	ctx->KEY[2] = le32_to_cpu(key[2]);
	51	ctx->KEY[3] = le32_to_cpu(key[3]);
1da177e4 LT	52
	53	return 0;
	54
	55	}
	56
6c2bb98b HX	57	static void tea_encrypt(struct crypto_tfm tfm, u8 dst, const u8 *src)
6c2bb98b HX	58	{
1da177e4 LT	59	u32 y, z, n, sum = 0;
1da177e4 LT	60	u32 k0, k1, k2, k3;
6c2bb98b	61	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9 HX	62	const __le32 in = (const __le32 )src;
06ace7a9 HX	63	__le32 out = (__le32 )dst;
1da177e4	64
06ace7a9 HX	65	y = le32_to_cpu(in[0]);
06ace7a9 HX	66	z = le32_to_cpu(in[1]);
1da177e4 LT	67
	68	k0 = ctx->KEY[0];
	69	k1 = ctx->KEY[1];
	70	k2 = ctx->KEY[2];
	71	k3 = ctx->KEY[3];
	72
	73	n = TEA_ROUNDS;
	74
	75	while (n-- > 0) {
	76	sum += TEA_DELTA;
	77	y += ((z << 4) + k0) ^ (z + sum) ^ ((z >> 5) + k1);
	78	z += ((y << 4) + k2) ^ (y + sum) ^ ((y >> 5) + k3);
	79	}
	80
06ace7a9 HX	81	out[0] = cpu_to_le32(y);
06ace7a9 HX	82	out[1] = cpu_to_le32(z);
1da177e4 LT	83	}
1da177e4 LT	84
6c2bb98b HX	85	static void tea_decrypt(struct crypto_tfm tfm, u8 dst, const u8 *src)
6c2bb98b HX	86	{
1da177e4 LT	87	u32 y, z, n, sum;
1da177e4 LT	88	u32 k0, k1, k2, k3;
6c2bb98b	89	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9 HX	90	const __le32 in = (const __le32 )src;
06ace7a9 HX	91	__le32 out = (__le32 )dst;
1da177e4	92
06ace7a9 HX	93	y = le32_to_cpu(in[0]);
06ace7a9 HX	94	z = le32_to_cpu(in[1]);
1da177e4 LT	95
	96	k0 = ctx->KEY[0];
	97	k1 = ctx->KEY[1];
	98	k2 = ctx->KEY[2];
	99	k3 = ctx->KEY[3];
	100
	101	sum = TEA_DELTA << 5;
	102
	103	n = TEA_ROUNDS;
	104
	105	while (n-- > 0) {
	106	z -= ((y << 4) + k2) ^ (y + sum) ^ ((y >> 5) + k3);
	107	y -= ((z << 4) + k0) ^ (z + sum) ^ ((z >> 5) + k1);
	108	sum -= TEA_DELTA;
	109	}
	110
06ace7a9 HX	111	out[0] = cpu_to_le32(y);
06ace7a9 HX	112	out[1] = cpu_to_le32(z);
1da177e4 LT	113	}
1da177e4 LT	114
6c2bb98b	115	static int xtea_setkey(struct crypto_tfm tfm, const u8 in_key,
560c06ae	116	unsigned int key_len)
6c2bb98b HX	117	{
6c2bb98b HX	118	struct xtea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9	119	const __le32 key = (const __le32 )in_key;
1da177e4	120
06ace7a9 HX	121	ctx->KEY[0] = le32_to_cpu(key[0]);
	122	ctx->KEY[1] = le32_to_cpu(key[1]);
	123	ctx->KEY[2] = le32_to_cpu(key[2]);
	124	ctx->KEY[3] = le32_to_cpu(key[3]);
1da177e4 LT	125
	126	return 0;
	127
	128	}
	129
6c2bb98b HX	130	static void xtea_encrypt(struct crypto_tfm tfm, u8 dst, const u8 *src)
6c2bb98b HX	131	{
1da177e4 LT	132	u32 y, z, sum = 0;
1da177e4 LT	133	u32 limit = XTEA_DELTA * XTEA_ROUNDS;
6c2bb98b	134	struct xtea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9 HX	135	const __le32 in = (const __le32 )src;
06ace7a9 HX	136	__le32 out = (__le32 )dst;
1da177e4	137
06ace7a9 HX	138	y = le32_to_cpu(in[0]);
06ace7a9 HX	139	z = le32_to_cpu(in[1]);
1da177e4 LT	140
1da177e4 LT	141	while (sum != limit) {
fb4f10ed	142	y += ((z << 4 ^ z >> 5) + z) ^ (sum + ctx->KEY[sum&3]);
1da177e4	143	sum += XTEA_DELTA;
fb4f10ed	144	z += ((y << 4 ^ y >> 5) + y) ^ (sum + ctx->KEY[sum>>11 &3]);
1da177e4 LT	145	}
1da177e4 LT	146
06ace7a9 HX	147	out[0] = cpu_to_le32(y);
06ace7a9 HX	148	out[1] = cpu_to_le32(z);
1da177e4 LT	149	}
1da177e4 LT	150
6c2bb98b HX	151	static void xtea_decrypt(struct crypto_tfm tfm, u8 dst, const u8 *src)
6c2bb98b HX	152	{
1da177e4	153	u32 y, z, sum;
6c2bb98b	154	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9 HX	155	const __le32 in = (const __le32 )src;
06ace7a9 HX	156	__le32 out = (__le32 )dst;
1da177e4	157
06ace7a9 HX	158	y = le32_to_cpu(in[0]);
06ace7a9 HX	159	z = le32_to_cpu(in[1]);
1da177e4 LT	160
	161	sum = XTEA_DELTA * XTEA_ROUNDS;
	162
fb4f10ed AG	163	while (sum) {
	164	z -= ((y << 4 ^ y >> 5) + y) ^ (sum + ctx->KEY[sum>>11 & 3]);
	165	sum -= XTEA_DELTA;
	166	y -= ((z << 4 ^ z >> 5) + z) ^ (sum + ctx->KEY[sum & 3]);
	167	}
	168
06ace7a9 HX	169	out[0] = cpu_to_le32(y);
06ace7a9 HX	170	out[1] = cpu_to_le32(z);
fb4f10ed AG	171	}
	172
	173
6c2bb98b HX	174	static void xeta_encrypt(struct crypto_tfm tfm, u8 dst, const u8 *src)
6c2bb98b HX	175	{
fb4f10ed AG	176	u32 y, z, sum = 0;
fb4f10ed AG	177	u32 limit = XTEA_DELTA * XTEA_ROUNDS;
6c2bb98b	178	struct xtea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9 HX	179	const __le32 in = (const __le32 )src;
06ace7a9 HX	180	__le32 out = (__le32 )dst;
fb4f10ed	181
06ace7a9 HX	182	y = le32_to_cpu(in[0]);
06ace7a9 HX	183	z = le32_to_cpu(in[1]);
fb4f10ed AG	184
	185	while (sum != limit) {
	186	y += (z << 4 ^ z >> 5) + (z ^ sum) + ctx->KEY[sum&3];
	187	sum += XTEA_DELTA;
	188	z += (y << 4 ^ y >> 5) + (y ^ sum) + ctx->KEY[sum>>11 &3];
	189	}
	190
06ace7a9 HX	191	out[0] = cpu_to_le32(y);
06ace7a9 HX	192	out[1] = cpu_to_le32(z);
fb4f10ed AG	193	}
fb4f10ed AG	194
6c2bb98b HX	195	static void xeta_decrypt(struct crypto_tfm tfm, u8 dst, const u8 *src)
6c2bb98b HX	196	{
fb4f10ed	197	u32 y, z, sum;
6c2bb98b	198	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
06ace7a9 HX	199	const __le32 in = (const __le32 )src;
06ace7a9 HX	200	__le32 out = (__le32 )dst;
fb4f10ed	201
06ace7a9 HX	202	y = le32_to_cpu(in[0]);
06ace7a9 HX	203	z = le32_to_cpu(in[1]);
fb4f10ed AG	204
	205	sum = XTEA_DELTA * XTEA_ROUNDS;
	206
1da177e4 LT	207	while (sum) {
	208	z -= (y << 4 ^ y >> 5) + (y ^ sum) + ctx->KEY[sum>>11 & 3];
	209	sum -= XTEA_DELTA;
	210	y -= (z << 4 ^ z >> 5) + (z ^ sum) + ctx->KEY[sum & 3];
	211	}
	212
06ace7a9 HX	213	out[0] = cpu_to_le32(y);
06ace7a9 HX	214	out[1] = cpu_to_le32(z);
1da177e4 LT	215	}
1da177e4 LT	216
738206d3	217	static struct crypto_alg tea_algs[3] = { {
1da177e4	218	.cra_name = "tea",
d6ebf528	219	.cra_driver_name = "tea-generic",
1da177e4 LT	220	.cra_flags = CRYPTO_ALG_TYPE_CIPHER,
	221	.cra_blocksize = TEA_BLOCK_SIZE,
	222	.cra_ctxsize = sizeof (struct tea_ctx),
a429d260	223	.cra_alignmask = 3,
1da177e4	224	.cra_module = THIS_MODULE,
1da177e4 LT	225	.cra_u = { .cipher = {
	226	.cia_min_keysize = TEA_KEY_SIZE,
	227	.cia_max_keysize = TEA_KEY_SIZE,
	228	.cia_setkey = tea_setkey,
	229	.cia_encrypt = tea_encrypt,
	230	.cia_decrypt = tea_decrypt } }
738206d3	231	}, {
1da177e4	232	.cra_name = "xtea",
d6ebf528	233	.cra_driver_name = "xtea-generic",
1da177e4 LT	234	.cra_flags = CRYPTO_ALG_TYPE_CIPHER,
	235	.cra_blocksize = XTEA_BLOCK_SIZE,
	236	.cra_ctxsize = sizeof (struct xtea_ctx),
a429d260	237	.cra_alignmask = 3,
1da177e4	238	.cra_module = THIS_MODULE,
1da177e4 LT	239	.cra_u = { .cipher = {
	240	.cia_min_keysize = XTEA_KEY_SIZE,
	241	.cia_max_keysize = XTEA_KEY_SIZE,
	242	.cia_setkey = xtea_setkey,
	243	.cia_encrypt = xtea_encrypt,
	244	.cia_decrypt = xtea_decrypt } }
738206d3	245	}, {
fb4f10ed	246	.cra_name = "xeta",
d6ebf528	247	.cra_driver_name = "xeta-generic",
fb4f10ed AG	248	.cra_flags = CRYPTO_ALG_TYPE_CIPHER,
	249	.cra_blocksize = XTEA_BLOCK_SIZE,
	250	.cra_ctxsize = sizeof (struct xtea_ctx),
a429d260	251	.cra_alignmask = 3,
fb4f10ed	252	.cra_module = THIS_MODULE,
fb4f10ed AG	253	.cra_u = { .cipher = {
	254	.cia_min_keysize = XTEA_KEY_SIZE,
	255	.cia_max_keysize = XTEA_KEY_SIZE,
	256	.cia_setkey = xtea_setkey,
	257	.cia_encrypt = xeta_encrypt,
	258	.cia_decrypt = xeta_decrypt } }
738206d3	259	} };
fb4f10ed	260
3af5b90b	261	static int __init tea_mod_init(void)
1da177e4	262	{
738206d3	263	return crypto_register_algs(tea_algs, ARRAY_SIZE(tea_algs));
1da177e4 LT	264	}
1da177e4 LT	265
3af5b90b	266	static void __exit tea_mod_fini(void)
1da177e4	267	{
738206d3	268	crypto_unregister_algs(tea_algs, ARRAY_SIZE(tea_algs));
1da177e4 LT	269	}
1da177e4 LT	270
3e14dcf7	271	MODULE_ALIAS_CRYPTO("tea");
5d26a105 KC	272	MODULE_ALIAS_CRYPTO("xtea");
5d26a105 KC	273	MODULE_ALIAS_CRYPTO("xeta");
1da177e4	274
c4741b23	275	subsys_initcall(tea_mod_init);
3af5b90b	276	module_exit(tea_mod_fini);
1da177e4 LT	277
1da177e4 LT	278	MODULE_LICENSE("GPL");
fb4f10ed	279	MODULE_DESCRIPTION("TEA, XTEA & XETA Cryptographic Algorithms");