Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Cryptographic API. |
| 3 | * |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 4 | * TEA, XTEA, and XETA crypto alogrithms |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | * |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 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 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 25 | #include <asm/byteorder.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | #include <linux/crypto.h> |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 27 | #include <linux/types.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | struct tea_ctx { |
| 40 | u32 KEY[4]; |
| 41 | }; |
| 42 | |
| 43 | struct xtea_ctx { |
| 44 | u32 KEY[4]; |
| 45 | }; |
| 46 | |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 47 | static int tea_setkey(struct crypto_tfm *tfm, const u8 *in_key, |
Herbert Xu | 560c06a | 2006-08-13 14:16:39 +1000 | [diff] [blame] | 48 | unsigned int key_len) |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 49 | { |
| 50 | struct tea_ctx *ctx = crypto_tfm_ctx(tfm); |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 51 | const __le32 *key = (const __le32 *)in_key; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 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]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | |
| 58 | return 0; |
| 59 | |
| 60 | } |
| 61 | |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 62 | static void tea_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) |
| 63 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | u32 y, z, n, sum = 0; |
| 65 | u32 k0, k1, k2, k3; |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 66 | struct tea_ctx *ctx = crypto_tfm_ctx(tfm); |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 67 | const __le32 *in = (const __le32 *)src; |
| 68 | __le32 *out = (__le32 *)dst; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 70 | y = le32_to_cpu(in[0]); |
| 71 | z = le32_to_cpu(in[1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 86 | out[0] = cpu_to_le32(y); |
| 87 | out[1] = cpu_to_le32(z); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | } |
| 89 | |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 90 | static void tea_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) |
| 91 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | u32 y, z, n, sum; |
| 93 | u32 k0, k1, k2, k3; |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 94 | struct tea_ctx *ctx = crypto_tfm_ctx(tfm); |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 95 | const __le32 *in = (const __le32 *)src; |
| 96 | __le32 *out = (__le32 *)dst; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 98 | y = le32_to_cpu(in[0]); |
| 99 | z = le32_to_cpu(in[1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 116 | out[0] = cpu_to_le32(y); |
| 117 | out[1] = cpu_to_le32(z); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | } |
| 119 | |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 120 | static int xtea_setkey(struct crypto_tfm *tfm, const u8 *in_key, |
Herbert Xu | 560c06a | 2006-08-13 14:16:39 +1000 | [diff] [blame] | 121 | unsigned int key_len) |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 122 | { |
| 123 | struct xtea_ctx *ctx = crypto_tfm_ctx(tfm); |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 124 | const __le32 *key = (const __le32 *)in_key; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 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]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | |
| 131 | return 0; |
| 132 | |
| 133 | } |
| 134 | |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 135 | static void xtea_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) |
| 136 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | u32 y, z, sum = 0; |
| 138 | u32 limit = XTEA_DELTA * XTEA_ROUNDS; |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 139 | struct xtea_ctx *ctx = crypto_tfm_ctx(tfm); |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 140 | const __le32 *in = (const __le32 *)src; |
| 141 | __le32 *out = (__le32 *)dst; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 143 | y = le32_to_cpu(in[0]); |
| 144 | z = le32_to_cpu(in[1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | |
| 146 | while (sum != limit) { |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 147 | y += ((z << 4 ^ z >> 5) + z) ^ (sum + ctx->KEY[sum&3]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | sum += XTEA_DELTA; |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 149 | z += ((y << 4 ^ y >> 5) + y) ^ (sum + ctx->KEY[sum>>11 &3]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | } |
| 151 | |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 152 | out[0] = cpu_to_le32(y); |
| 153 | out[1] = cpu_to_le32(z); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | } |
| 155 | |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 156 | static void xtea_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) |
| 157 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | u32 y, z, sum; |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 159 | struct tea_ctx *ctx = crypto_tfm_ctx(tfm); |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 160 | const __le32 *in = (const __le32 *)src; |
| 161 | __le32 *out = (__le32 *)dst; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 163 | y = le32_to_cpu(in[0]); |
| 164 | z = le32_to_cpu(in[1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | |
| 166 | sum = XTEA_DELTA * XTEA_ROUNDS; |
| 167 | |
| 168 | while (sum) { |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 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 | |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 174 | out[0] = cpu_to_le32(y); |
| 175 | out[1] = cpu_to_le32(z); |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 176 | } |
| 177 | |
| 178 | |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 179 | static void xeta_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) |
| 180 | { |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 181 | u32 y, z, sum = 0; |
| 182 | u32 limit = XTEA_DELTA * XTEA_ROUNDS; |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 183 | struct xtea_ctx *ctx = crypto_tfm_ctx(tfm); |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 184 | const __le32 *in = (const __le32 *)src; |
| 185 | __le32 *out = (__le32 *)dst; |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 186 | |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 187 | y = le32_to_cpu(in[0]); |
| 188 | z = le32_to_cpu(in[1]); |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 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 | |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 196 | out[0] = cpu_to_le32(y); |
| 197 | out[1] = cpu_to_le32(z); |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 198 | } |
| 199 | |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 200 | static void xeta_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) |
| 201 | { |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 202 | u32 y, z, sum; |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 203 | struct tea_ctx *ctx = crypto_tfm_ctx(tfm); |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 204 | const __le32 *in = (const __le32 *)src; |
| 205 | __le32 *out = (__le32 *)dst; |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 206 | |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 207 | y = le32_to_cpu(in[0]); |
| 208 | z = le32_to_cpu(in[1]); |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 209 | |
| 210 | sum = XTEA_DELTA * XTEA_ROUNDS; |
| 211 | |
| 212 | while (sum) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Herbert Xu | 06ace7a | 2005-10-30 21:25:15 +1100 | [diff] [blame] | 218 | out[0] = cpu_to_le32(y); |
| 219 | out[1] = cpu_to_le32(z); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | } |
| 221 | |
| 222 | static struct crypto_alg tea_alg = { |
| 223 | .cra_name = "tea", |
| 224 | .cra_flags = CRYPTO_ALG_TYPE_CIPHER, |
| 225 | .cra_blocksize = TEA_BLOCK_SIZE, |
| 226 | .cra_ctxsize = sizeof (struct tea_ctx), |
Herbert Xu | a429d26 | 2006-01-07 16:38:15 +1100 | [diff] [blame] | 227 | .cra_alignmask = 3, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | .cra_module = THIS_MODULE, |
| 229 | .cra_list = LIST_HEAD_INIT(tea_alg.cra_list), |
| 230 | .cra_u = { .cipher = { |
| 231 | .cia_min_keysize = TEA_KEY_SIZE, |
| 232 | .cia_max_keysize = TEA_KEY_SIZE, |
| 233 | .cia_setkey = tea_setkey, |
| 234 | .cia_encrypt = tea_encrypt, |
| 235 | .cia_decrypt = tea_decrypt } } |
| 236 | }; |
| 237 | |
| 238 | static struct crypto_alg xtea_alg = { |
| 239 | .cra_name = "xtea", |
| 240 | .cra_flags = CRYPTO_ALG_TYPE_CIPHER, |
| 241 | .cra_blocksize = XTEA_BLOCK_SIZE, |
| 242 | .cra_ctxsize = sizeof (struct xtea_ctx), |
Herbert Xu | a429d26 | 2006-01-07 16:38:15 +1100 | [diff] [blame] | 243 | .cra_alignmask = 3, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | .cra_module = THIS_MODULE, |
| 245 | .cra_list = LIST_HEAD_INIT(xtea_alg.cra_list), |
| 246 | .cra_u = { .cipher = { |
| 247 | .cia_min_keysize = XTEA_KEY_SIZE, |
| 248 | .cia_max_keysize = XTEA_KEY_SIZE, |
| 249 | .cia_setkey = xtea_setkey, |
| 250 | .cia_encrypt = xtea_encrypt, |
| 251 | .cia_decrypt = xtea_decrypt } } |
| 252 | }; |
| 253 | |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 254 | static struct crypto_alg xeta_alg = { |
| 255 | .cra_name = "xeta", |
| 256 | .cra_flags = CRYPTO_ALG_TYPE_CIPHER, |
| 257 | .cra_blocksize = XTEA_BLOCK_SIZE, |
| 258 | .cra_ctxsize = sizeof (struct xtea_ctx), |
Herbert Xu | a429d26 | 2006-01-07 16:38:15 +1100 | [diff] [blame] | 259 | .cra_alignmask = 3, |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 260 | .cra_module = THIS_MODULE, |
| 261 | .cra_list = LIST_HEAD_INIT(xtea_alg.cra_list), |
| 262 | .cra_u = { .cipher = { |
| 263 | .cia_min_keysize = XTEA_KEY_SIZE, |
| 264 | .cia_max_keysize = XTEA_KEY_SIZE, |
| 265 | .cia_setkey = xtea_setkey, |
| 266 | .cia_encrypt = xeta_encrypt, |
| 267 | .cia_decrypt = xeta_decrypt } } |
| 268 | }; |
| 269 | |
Kamalesh Babulal | 3af5b90 | 2008-04-05 21:00:57 +0800 | [diff] [blame^] | 270 | static int __init tea_mod_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | { |
| 272 | int ret = 0; |
| 273 | |
| 274 | ret = crypto_register_alg(&tea_alg); |
| 275 | if (ret < 0) |
| 276 | goto out; |
| 277 | |
| 278 | ret = crypto_register_alg(&xtea_alg); |
| 279 | if (ret < 0) { |
| 280 | crypto_unregister_alg(&tea_alg); |
| 281 | goto out; |
| 282 | } |
| 283 | |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 284 | ret = crypto_register_alg(&xeta_alg); |
| 285 | if (ret < 0) { |
| 286 | crypto_unregister_alg(&tea_alg); |
| 287 | crypto_unregister_alg(&xtea_alg); |
| 288 | goto out; |
| 289 | } |
| 290 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | out: |
| 292 | return ret; |
| 293 | } |
| 294 | |
Kamalesh Babulal | 3af5b90 | 2008-04-05 21:00:57 +0800 | [diff] [blame^] | 295 | static void __exit tea_mod_fini(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | { |
| 297 | crypto_unregister_alg(&tea_alg); |
| 298 | crypto_unregister_alg(&xtea_alg); |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 299 | crypto_unregister_alg(&xeta_alg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | } |
| 301 | |
| 302 | MODULE_ALIAS("xtea"); |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 303 | MODULE_ALIAS("xeta"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | |
Kamalesh Babulal | 3af5b90 | 2008-04-05 21:00:57 +0800 | [diff] [blame^] | 305 | module_init(tea_mod_init); |
| 306 | module_exit(tea_mod_fini); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | |
| 308 | MODULE_LICENSE("GPL"); |
Aaron Grothe | fb4f10e | 2005-09-01 17:42:46 -0700 | [diff] [blame] | 309 | MODULE_DESCRIPTION("TEA, XTEA & XETA Cryptographic Algorithms"); |