Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Cryptographic API. | |
3 | * | |
c1e26e1e | 4 | * s390 implementation of the DES Cipher Algorithm. |
1da177e4 LT |
5 | * |
6 | * Copyright (c) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation | |
7 | * Author(s): Thomas Spatzier (tspat@de.ibm.com) | |
8 | * | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | */ | |
16 | #include <linux/init.h> | |
17 | #include <linux/module.h> | |
1da177e4 | 18 | #include <linux/crypto.h> |
c1357833 | 19 | |
c1e26e1e | 20 | #include "crypt_s390.h" |
1da177e4 LT |
21 | #include "crypto_des.h" |
22 | ||
23 | #define DES_BLOCK_SIZE 8 | |
24 | #define DES_KEY_SIZE 8 | |
25 | ||
26 | #define DES3_128_KEY_SIZE (2 * DES_KEY_SIZE) | |
27 | #define DES3_128_BLOCK_SIZE DES_BLOCK_SIZE | |
28 | ||
29 | #define DES3_192_KEY_SIZE (3 * DES_KEY_SIZE) | |
30 | #define DES3_192_BLOCK_SIZE DES_BLOCK_SIZE | |
31 | ||
c1e26e1e | 32 | struct crypt_s390_des_ctx { |
1da177e4 LT |
33 | u8 iv[DES_BLOCK_SIZE]; |
34 | u8 key[DES_KEY_SIZE]; | |
35 | }; | |
36 | ||
c1e26e1e | 37 | struct crypt_s390_des3_128_ctx { |
1da177e4 LT |
38 | u8 iv[DES_BLOCK_SIZE]; |
39 | u8 key[DES3_128_KEY_SIZE]; | |
40 | }; | |
41 | ||
c1e26e1e | 42 | struct crypt_s390_des3_192_ctx { |
1da177e4 LT |
43 | u8 iv[DES_BLOCK_SIZE]; |
44 | u8 key[DES3_192_KEY_SIZE]; | |
45 | }; | |
46 | ||
c1357833 JG |
47 | static int des_setkey(void *ctx, const u8 *key, unsigned int keylen, |
48 | u32 *flags) | |
1da177e4 | 49 | { |
c1357833 | 50 | struct crypt_s390_des_ctx *dctx = ctx; |
1da177e4 LT |
51 | int ret; |
52 | ||
c1357833 | 53 | /* test if key is valid (not a weak key) */ |
1da177e4 | 54 | ret = crypto_des_check_key(key, keylen, flags); |
c1357833 | 55 | if (ret == 0) |
1da177e4 | 56 | memcpy(dctx->key, key, keylen); |
1da177e4 LT |
57 | return ret; |
58 | } | |
59 | ||
b8dc6038 | 60 | static void des_encrypt(void *ctx, u8 *out, const u8 *in) |
1da177e4 | 61 | { |
c1357833 | 62 | struct crypt_s390_des_ctx *dctx = ctx; |
1da177e4 | 63 | |
b8dc6038 | 64 | crypt_s390_km(KM_DEA_ENCRYPT, dctx->key, out, in, DES_BLOCK_SIZE); |
1da177e4 LT |
65 | } |
66 | ||
b8dc6038 | 67 | static void des_decrypt(void *ctx, u8 *out, const u8 *in) |
1da177e4 | 68 | { |
c1357833 | 69 | struct crypt_s390_des_ctx *dctx = ctx; |
1da177e4 | 70 | |
b8dc6038 JG |
71 | crypt_s390_km(KM_DEA_DECRYPT, dctx->key, out, in, DES_BLOCK_SIZE); |
72 | } | |
73 | ||
74 | static unsigned int des_encrypt_ecb(const struct cipher_desc *desc, u8 *out, | |
75 | const u8 *in, unsigned int nbytes) | |
76 | { | |
77 | struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm); | |
78 | int ret; | |
79 | ||
80 | /* only use complete blocks */ | |
81 | nbytes &= ~(DES_BLOCK_SIZE - 1); | |
82 | ret = crypt_s390_km(KM_DEA_ENCRYPT, sctx->key, out, in, nbytes); | |
83 | BUG_ON((ret < 0) || (ret != nbytes)); | |
84 | ||
85 | return nbytes; | |
86 | } | |
87 | ||
88 | static unsigned int des_decrypt_ecb(const struct cipher_desc *desc, u8 *out, | |
89 | const u8 *in, unsigned int nbytes) | |
90 | { | |
91 | struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm); | |
92 | int ret; | |
93 | ||
94 | /* only use complete blocks */ | |
95 | nbytes &= ~(DES_BLOCK_SIZE - 1); | |
96 | ret = crypt_s390_km(KM_DEA_DECRYPT, sctx->key, out, in, nbytes); | |
97 | BUG_ON((ret < 0) || (ret != nbytes)); | |
98 | ||
99 | return nbytes; | |
100 | } | |
101 | ||
102 | static unsigned int des_encrypt_cbc(const struct cipher_desc *desc, u8 *out, | |
103 | const u8 *in, unsigned int nbytes) | |
104 | { | |
105 | struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm); | |
106 | int ret; | |
107 | ||
108 | /* only use complete blocks */ | |
109 | nbytes &= ~(DES_BLOCK_SIZE - 1); | |
110 | ||
111 | memcpy(sctx->iv, desc->info, DES_BLOCK_SIZE); | |
112 | ret = crypt_s390_kmc(KMC_DEA_ENCRYPT, &sctx->iv, out, in, nbytes); | |
113 | BUG_ON((ret < 0) || (ret != nbytes)); | |
114 | ||
115 | memcpy(desc->info, sctx->iv, DES_BLOCK_SIZE); | |
116 | return nbytes; | |
117 | } | |
118 | ||
119 | static unsigned int des_decrypt_cbc(const struct cipher_desc *desc, u8 *out, | |
120 | const u8 *in, unsigned int nbytes) | |
121 | { | |
122 | struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm); | |
123 | int ret; | |
124 | ||
125 | /* only use complete blocks */ | |
126 | nbytes &= ~(DES_BLOCK_SIZE - 1); | |
127 | ||
128 | memcpy(&sctx->iv, desc->info, DES_BLOCK_SIZE); | |
129 | ret = crypt_s390_kmc(KMC_DEA_DECRYPT, &sctx->iv, out, in, nbytes); | |
130 | BUG_ON((ret < 0) || (ret != nbytes)); | |
131 | ||
132 | return nbytes; | |
1da177e4 LT |
133 | } |
134 | ||
135 | static struct crypto_alg des_alg = { | |
136 | .cra_name = "des", | |
137 | .cra_flags = CRYPTO_ALG_TYPE_CIPHER, | |
138 | .cra_blocksize = DES_BLOCK_SIZE, | |
c1e26e1e | 139 | .cra_ctxsize = sizeof(struct crypt_s390_des_ctx), |
1da177e4 LT |
140 | .cra_module = THIS_MODULE, |
141 | .cra_list = LIST_HEAD_INIT(des_alg.cra_list), | |
c1357833 JG |
142 | .cra_u = { |
143 | .cipher = { | |
144 | .cia_min_keysize = DES_KEY_SIZE, | |
145 | .cia_max_keysize = DES_KEY_SIZE, | |
146 | .cia_setkey = des_setkey, | |
147 | .cia_encrypt = des_encrypt, | |
b8dc6038 JG |
148 | .cia_decrypt = des_decrypt, |
149 | .cia_encrypt_ecb = des_encrypt_ecb, | |
150 | .cia_decrypt_ecb = des_decrypt_ecb, | |
151 | .cia_encrypt_cbc = des_encrypt_cbc, | |
152 | .cia_decrypt_cbc = des_decrypt_cbc, | |
c1357833 JG |
153 | } |
154 | } | |
1da177e4 LT |
155 | }; |
156 | ||
157 | /* | |
158 | * RFC2451: | |
159 | * | |
160 | * For DES-EDE3, there is no known need to reject weak or | |
161 | * complementation keys. Any weakness is obviated by the use of | |
162 | * multiple keys. | |
163 | * | |
164 | * However, if the two independent 64-bit keys are equal, | |
165 | * then the DES3 operation is simply the same as DES. | |
166 | * Implementers MUST reject keys that exhibit this property. | |
167 | * | |
168 | */ | |
c1357833 JG |
169 | static int des3_128_setkey(void *ctx, const u8 *key, unsigned int keylen, |
170 | u32 *flags) | |
1da177e4 LT |
171 | { |
172 | int i, ret; | |
c1357833 | 173 | struct crypt_s390_des3_128_ctx *dctx = ctx; |
1da177e4 LT |
174 | const u8* temp_key = key; |
175 | ||
1da177e4 | 176 | if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE))) { |
1da177e4 LT |
177 | *flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED; |
178 | return -EINVAL; | |
179 | } | |
c1357833 | 180 | for (i = 0; i < 2; i++, temp_key += DES_KEY_SIZE) { |
1da177e4 LT |
181 | ret = crypto_des_check_key(temp_key, DES_KEY_SIZE, flags); |
182 | if (ret < 0) | |
183 | return ret; | |
184 | } | |
185 | memcpy(dctx->key, key, keylen); | |
186 | return 0; | |
187 | } | |
188 | ||
c1357833 | 189 | static void des3_128_encrypt(void *ctx, u8 *dst, const u8 *src) |
1da177e4 | 190 | { |
c1357833 | 191 | struct crypt_s390_des3_128_ctx *dctx = ctx; |
1da177e4 | 192 | |
c1e26e1e | 193 | crypt_s390_km(KM_TDEA_128_ENCRYPT, dctx->key, dst, (void*)src, |
c1357833 | 194 | DES3_128_BLOCK_SIZE); |
1da177e4 LT |
195 | } |
196 | ||
c1357833 | 197 | static void des3_128_decrypt(void *ctx, u8 *dst, const u8 *src) |
1da177e4 | 198 | { |
c1357833 | 199 | struct crypt_s390_des3_128_ctx *dctx = ctx; |
1da177e4 | 200 | |
c1e26e1e | 201 | crypt_s390_km(KM_TDEA_128_DECRYPT, dctx->key, dst, (void*)src, |
c1357833 | 202 | DES3_128_BLOCK_SIZE); |
1da177e4 LT |
203 | } |
204 | ||
b8dc6038 JG |
205 | static unsigned int des3_128_encrypt_ecb(const struct cipher_desc *desc, |
206 | u8 *out, const u8 *in, | |
207 | unsigned int nbytes) | |
208 | { | |
209 | struct crypt_s390_des3_128_ctx *sctx = crypto_tfm_ctx(desc->tfm); | |
210 | int ret; | |
211 | ||
212 | /* only use complete blocks */ | |
213 | nbytes &= ~(DES3_128_BLOCK_SIZE - 1); | |
214 | ret = crypt_s390_km(KM_TDEA_128_ENCRYPT, sctx->key, out, in, nbytes); | |
215 | BUG_ON((ret < 0) || (ret != nbytes)); | |
216 | ||
217 | return nbytes; | |
218 | } | |
219 | ||
220 | static unsigned int des3_128_decrypt_ecb(const struct cipher_desc *desc, | |
221 | u8 *out, const u8 *in, | |
222 | unsigned int nbytes) | |
223 | { | |
224 | struct crypt_s390_des3_128_ctx *sctx = crypto_tfm_ctx(desc->tfm); | |
225 | int ret; | |
226 | ||
227 | /* only use complete blocks */ | |
228 | nbytes &= ~(DES3_128_BLOCK_SIZE - 1); | |
229 | ret = crypt_s390_km(KM_TDEA_128_DECRYPT, sctx->key, out, in, nbytes); | |
230 | BUG_ON((ret < 0) || (ret != nbytes)); | |
231 | ||
232 | return nbytes; | |
233 | } | |
234 | ||
235 | static unsigned int des3_128_encrypt_cbc(const struct cipher_desc *desc, | |
236 | u8 *out, const u8 *in, | |
237 | unsigned int nbytes) | |
238 | { | |
239 | struct crypt_s390_des3_128_ctx *sctx = crypto_tfm_ctx(desc->tfm); | |
240 | int ret; | |
241 | ||
242 | /* only use complete blocks */ | |
243 | nbytes &= ~(DES3_128_BLOCK_SIZE - 1); | |
244 | ||
245 | memcpy(sctx->iv, desc->info, DES3_128_BLOCK_SIZE); | |
246 | ret = crypt_s390_kmc(KMC_TDEA_128_ENCRYPT, &sctx->iv, out, in, nbytes); | |
247 | BUG_ON((ret < 0) || (ret != nbytes)); | |
248 | ||
249 | memcpy(desc->info, sctx->iv, DES3_128_BLOCK_SIZE); | |
250 | return nbytes; | |
251 | } | |
252 | ||
253 | static unsigned int des3_128_decrypt_cbc(const struct cipher_desc *desc, | |
254 | u8 *out, const u8 *in, | |
255 | unsigned int nbytes) | |
256 | { | |
257 | struct crypt_s390_des3_128_ctx *sctx = crypto_tfm_ctx(desc->tfm); | |
258 | int ret; | |
259 | ||
260 | /* only use complete blocks */ | |
261 | nbytes &= ~(DES3_128_BLOCK_SIZE - 1); | |
262 | ||
263 | memcpy(&sctx->iv, desc->info, DES3_128_BLOCK_SIZE); | |
264 | ret = crypt_s390_kmc(KMC_TDEA_128_DECRYPT, &sctx->iv, out, in, nbytes); | |
265 | BUG_ON((ret < 0) || (ret != nbytes)); | |
266 | ||
267 | return nbytes; | |
268 | } | |
269 | ||
1da177e4 LT |
270 | static struct crypto_alg des3_128_alg = { |
271 | .cra_name = "des3_ede128", | |
272 | .cra_flags = CRYPTO_ALG_TYPE_CIPHER, | |
273 | .cra_blocksize = DES3_128_BLOCK_SIZE, | |
c1e26e1e | 274 | .cra_ctxsize = sizeof(struct crypt_s390_des3_128_ctx), |
1da177e4 LT |
275 | .cra_module = THIS_MODULE, |
276 | .cra_list = LIST_HEAD_INIT(des3_128_alg.cra_list), | |
c1357833 JG |
277 | .cra_u = { |
278 | .cipher = { | |
279 | .cia_min_keysize = DES3_128_KEY_SIZE, | |
280 | .cia_max_keysize = DES3_128_KEY_SIZE, | |
281 | .cia_setkey = des3_128_setkey, | |
282 | .cia_encrypt = des3_128_encrypt, | |
b8dc6038 JG |
283 | .cia_decrypt = des3_128_decrypt, |
284 | .cia_encrypt_ecb = des3_128_encrypt_ecb, | |
285 | .cia_decrypt_ecb = des3_128_decrypt_ecb, | |
286 | .cia_encrypt_cbc = des3_128_encrypt_cbc, | |
287 | .cia_decrypt_cbc = des3_128_decrypt_cbc, | |
c1357833 JG |
288 | } |
289 | } | |
1da177e4 LT |
290 | }; |
291 | ||
292 | /* | |
293 | * RFC2451: | |
294 | * | |
295 | * For DES-EDE3, there is no known need to reject weak or | |
296 | * complementation keys. Any weakness is obviated by the use of | |
297 | * multiple keys. | |
298 | * | |
299 | * However, if the first two or last two independent 64-bit keys are | |
300 | * equal (k1 == k2 or k2 == k3), then the DES3 operation is simply the | |
301 | * same as DES. Implementers MUST reject keys that exhibit this | |
302 | * property. | |
303 | * | |
304 | */ | |
c1357833 JG |
305 | static int des3_192_setkey(void *ctx, const u8 *key, unsigned int keylen, |
306 | u32 *flags) | |
1da177e4 LT |
307 | { |
308 | int i, ret; | |
c1357833 JG |
309 | struct crypt_s390_des3_192_ctx *dctx = ctx; |
310 | const u8* temp_key = key; | |
1da177e4 | 311 | |
1da177e4 LT |
312 | if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) && |
313 | memcmp(&key[DES_KEY_SIZE], &key[DES_KEY_SIZE * 2], | |
c1357833 | 314 | DES_KEY_SIZE))) { |
1da177e4 LT |
315 | |
316 | *flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED; | |
317 | return -EINVAL; | |
318 | } | |
319 | for (i = 0; i < 3; i++, temp_key += DES_KEY_SIZE) { | |
320 | ret = crypto_des_check_key(temp_key, DES_KEY_SIZE, flags); | |
c1357833 | 321 | if (ret < 0) |
1da177e4 | 322 | return ret; |
1da177e4 LT |
323 | } |
324 | memcpy(dctx->key, key, keylen); | |
325 | return 0; | |
326 | } | |
327 | ||
c1357833 | 328 | static void des3_192_encrypt(void *ctx, u8 *dst, const u8 *src) |
1da177e4 | 329 | { |
c1357833 | 330 | struct crypt_s390_des3_192_ctx *dctx = ctx; |
1da177e4 | 331 | |
c1e26e1e | 332 | crypt_s390_km(KM_TDEA_192_ENCRYPT, dctx->key, dst, (void*)src, |
c1357833 | 333 | DES3_192_BLOCK_SIZE); |
1da177e4 LT |
334 | } |
335 | ||
c1357833 | 336 | static void des3_192_decrypt(void *ctx, u8 *dst, const u8 *src) |
1da177e4 | 337 | { |
c1357833 | 338 | struct crypt_s390_des3_192_ctx *dctx = ctx; |
1da177e4 | 339 | |
c1e26e1e | 340 | crypt_s390_km(KM_TDEA_192_DECRYPT, dctx->key, dst, (void*)src, |
c1357833 | 341 | DES3_192_BLOCK_SIZE); |
1da177e4 LT |
342 | } |
343 | ||
b8dc6038 JG |
344 | static unsigned int des3_192_encrypt_ecb(const struct cipher_desc *desc, |
345 | u8 *out, const u8 *in, | |
346 | unsigned int nbytes) | |
347 | { | |
348 | struct crypt_s390_des3_192_ctx *sctx = crypto_tfm_ctx(desc->tfm); | |
349 | int ret; | |
350 | ||
351 | /* only use complete blocks */ | |
352 | nbytes &= ~(DES3_192_BLOCK_SIZE - 1); | |
353 | ret = crypt_s390_km(KM_TDEA_192_ENCRYPT, sctx->key, out, in, nbytes); | |
354 | BUG_ON((ret < 0) || (ret != nbytes)); | |
355 | ||
356 | return nbytes; | |
357 | } | |
358 | ||
359 | static unsigned int des3_192_decrypt_ecb(const struct cipher_desc *desc, | |
360 | u8 *out, const u8 *in, | |
361 | unsigned int nbytes) | |
362 | { | |
363 | struct crypt_s390_des3_192_ctx *sctx = crypto_tfm_ctx(desc->tfm); | |
364 | int ret; | |
365 | ||
366 | /* only use complete blocks */ | |
367 | nbytes &= ~(DES3_192_BLOCK_SIZE - 1); | |
368 | ret = crypt_s390_km(KM_TDEA_192_DECRYPT, sctx->key, out, in, nbytes); | |
369 | BUG_ON((ret < 0) || (ret != nbytes)); | |
370 | ||
371 | return nbytes; | |
372 | } | |
373 | ||
374 | static unsigned int des3_192_encrypt_cbc(const struct cipher_desc *desc, | |
375 | u8 *out, const u8 *in, | |
376 | unsigned int nbytes) | |
377 | { | |
378 | struct crypt_s390_des3_192_ctx *sctx = crypto_tfm_ctx(desc->tfm); | |
379 | int ret; | |
380 | ||
381 | /* only use complete blocks */ | |
382 | nbytes &= ~(DES3_192_BLOCK_SIZE - 1); | |
383 | ||
384 | memcpy(sctx->iv, desc->info, DES3_192_BLOCK_SIZE); | |
385 | ret = crypt_s390_kmc(KMC_TDEA_192_ENCRYPT, &sctx->iv, out, in, nbytes); | |
386 | BUG_ON((ret < 0) || (ret != nbytes)); | |
387 | ||
388 | memcpy(desc->info, sctx->iv, DES3_192_BLOCK_SIZE); | |
389 | return nbytes; | |
390 | } | |
391 | ||
392 | static unsigned int des3_192_decrypt_cbc(const struct cipher_desc *desc, | |
393 | u8 *out, const u8 *in, | |
394 | unsigned int nbytes) | |
395 | { | |
396 | struct crypt_s390_des3_192_ctx *sctx = crypto_tfm_ctx(desc->tfm); | |
397 | int ret; | |
398 | ||
399 | /* only use complete blocks */ | |
400 | nbytes &= ~(DES3_192_BLOCK_SIZE - 1); | |
401 | ||
402 | memcpy(&sctx->iv, desc->info, DES3_192_BLOCK_SIZE); | |
403 | ret = crypt_s390_kmc(KMC_TDEA_192_DECRYPT, &sctx->iv, out, in, nbytes); | |
404 | BUG_ON((ret < 0) || (ret != nbytes)); | |
405 | ||
406 | return nbytes; | |
407 | } | |
408 | ||
1da177e4 LT |
409 | static struct crypto_alg des3_192_alg = { |
410 | .cra_name = "des3_ede", | |
411 | .cra_flags = CRYPTO_ALG_TYPE_CIPHER, | |
412 | .cra_blocksize = DES3_192_BLOCK_SIZE, | |
c1e26e1e | 413 | .cra_ctxsize = sizeof(struct crypt_s390_des3_192_ctx), |
1da177e4 LT |
414 | .cra_module = THIS_MODULE, |
415 | .cra_list = LIST_HEAD_INIT(des3_192_alg.cra_list), | |
c1357833 JG |
416 | .cra_u = { |
417 | .cipher = { | |
418 | .cia_min_keysize = DES3_192_KEY_SIZE, | |
419 | .cia_max_keysize = DES3_192_KEY_SIZE, | |
420 | .cia_setkey = des3_192_setkey, | |
421 | .cia_encrypt = des3_192_encrypt, | |
b8dc6038 JG |
422 | .cia_decrypt = des3_192_decrypt, |
423 | .cia_encrypt_ecb = des3_192_encrypt_ecb, | |
424 | .cia_decrypt_ecb = des3_192_decrypt_ecb, | |
425 | .cia_encrypt_cbc = des3_192_encrypt_cbc, | |
426 | .cia_decrypt_cbc = des3_192_decrypt_cbc, | |
c1357833 JG |
427 | } |
428 | } | |
1da177e4 LT |
429 | }; |
430 | ||
c1357833 | 431 | static int init(void) |
1da177e4 | 432 | { |
c1357833 | 433 | int ret = 0; |
1da177e4 | 434 | |
c1e26e1e JG |
435 | if (!crypt_s390_func_available(KM_DEA_ENCRYPT) || |
436 | !crypt_s390_func_available(KM_TDEA_128_ENCRYPT) || | |
c1357833 | 437 | !crypt_s390_func_available(KM_TDEA_192_ENCRYPT)) |
1da177e4 | 438 | return -ENOSYS; |
1da177e4 | 439 | |
c1357833 JG |
440 | ret |= (crypto_register_alg(&des_alg) == 0) ? 0:1; |
441 | ret |= (crypto_register_alg(&des3_128_alg) == 0) ? 0:2; | |
442 | ret |= (crypto_register_alg(&des3_192_alg) == 0) ? 0:4; | |
443 | if (ret) { | |
1da177e4 LT |
444 | crypto_unregister_alg(&des3_192_alg); |
445 | crypto_unregister_alg(&des3_128_alg); | |
446 | crypto_unregister_alg(&des_alg); | |
447 | return -EEXIST; | |
448 | } | |
1da177e4 LT |
449 | return 0; |
450 | } | |
451 | ||
c1357833 | 452 | static void __exit fini(void) |
1da177e4 LT |
453 | { |
454 | crypto_unregister_alg(&des3_192_alg); | |
455 | crypto_unregister_alg(&des3_128_alg); | |
456 | crypto_unregister_alg(&des_alg); | |
457 | } | |
458 | ||
459 | module_init(init); | |
460 | module_exit(fini); | |
461 | ||
462 | MODULE_ALIAS("des"); | |
463 | MODULE_ALIAS("des3_ede"); | |
464 | ||
465 | MODULE_LICENSE("GPL"); | |
466 | MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms"); |