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drm/i915: Use dev->pdev to get PCI device revisions
[dragonfly.git] / sys / opencrypto / xform.c
blobbcfdf2edfcef235d035453ba311862dd9d09bef2
1 /* $FreeBSD: src/sys/opencrypto/xform.c,v 1.10 2008/10/23 15:53:51 des Exp $ */
2 /* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
3 /*-
4 * The authors of this code are John Ioannidis (ji@tla.org),
5 * Angelos D. Keromytis (kermit@csd.uch.gr) and
6 * Niels Provos (provos@physnet.uni-hamburg.de).
7 *
8 * This code was written by John Ioannidis for BSD/OS in Athens, Greece,
9 * in November 1995.
10 *
11 * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
12 * by Angelos D. Keromytis.
13 *
14 * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
15 * and Niels Provos.
16 *
17 * Additional features in 1999 by Angelos D. Keromytis.
18 *
19 * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
20 * Angelos D. Keromytis and Niels Provos.
21 *
22 * Copyright (C) 2001, Angelos D. Keromytis.
23 *
24 * Permission to use, copy, and modify this software with or without fee
25 * is hereby granted, provided that this entire notice is included in
26 * all copies of any software which is or includes a copy or
27 * modification of this software.
28 * You may use this code under the GNU public license if you so wish. Please
29 * contribute changes back to the authors under this freer than GPL license
30 * so that we may further the use of strong encryption without limitations to
31 * all.
32 *
33 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
34 * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
35 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
36 * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
37 * PURPOSE.
38 */
39
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/malloc.h>
43 #include <sys/sysctl.h>
44 #include <sys/errno.h>
45 #include <sys/time.h>
46 #include <sys/kernel.h>
47 #include <machine/cpu.h>
48
49 #include <crypto/blowfish/blowfish.h>
50 #include <crypto/des/des.h>
51 #include <crypto/rijndael/rijndael.h>
52 #include <crypto/camellia/camellia.h>
53 #include <crypto/twofish/twofish.h>
54 #include <crypto/serpent/serpent.h>
55 #include <crypto/sha1.h>
56
57 #include <opencrypto/cast.h>
58 #include <opencrypto/deflate.h>
59 #include <opencrypto/rmd160.h>
60 #include <opencrypto/skipjack.h>
61 #include <opencrypto/gmac.h>
62
63 #include <sys/md5.h>
64
65 #include <opencrypto/cryptodev.h>
66 #include <opencrypto/xform.h>
67
68 static void null_encrypt(caddr_t, u_int8_t *, u_int8_t *);
69 static void null_decrypt(caddr_t, u_int8_t *, u_int8_t *);
70 static int null_setkey(u_int8_t **, u_int8_t *, int);
71 static void null_zerokey(u_int8_t **);
72
73 static int des1_setkey(u_int8_t **, u_int8_t *, int);
74 static int des3_setkey(u_int8_t **, u_int8_t *, int);
75 static int blf_setkey(u_int8_t **, u_int8_t *, int);
76 static int cast5_setkey(u_int8_t **, u_int8_t *, int);
77 static int skipjack_setkey(u_int8_t **, u_int8_t *, int);
78 static int rijndael128_setkey(u_int8_t **, u_int8_t *, int);
79 static int aes_xts_setkey(u_int8_t **, u_int8_t *, int);
80 static int aes_ctr_setkey(u_int8_t **, u_int8_t *, int);
81 static int cml_setkey(u_int8_t **, u_int8_t *, int);
82 static int twofish128_setkey(u_int8_t **, u_int8_t *, int);
83 static int serpent128_setkey(u_int8_t **, u_int8_t *, int);
84 static int twofish_xts_setkey(u_int8_t **, u_int8_t *, int);
85 static int serpent_xts_setkey(u_int8_t **, u_int8_t *, int);
86 static void des1_encrypt(caddr_t, u_int8_t *, u_int8_t *);
87 static void des3_encrypt(caddr_t, u_int8_t *, u_int8_t *);
88 static void blf_encrypt(caddr_t, u_int8_t *, u_int8_t *);
89 static void cast5_encrypt(caddr_t, u_int8_t *, u_int8_t *);
90 static void skipjack_encrypt(caddr_t, u_int8_t *, u_int8_t *);
91 static void rijndael128_encrypt(caddr_t, u_int8_t *, u_int8_t *);
92 static void aes_xts_encrypt(caddr_t, u_int8_t *, u_int8_t *);
93 static void cml_encrypt(caddr_t, u_int8_t *, u_int8_t *);
94 static void twofish128_encrypt(caddr_t, u_int8_t *, u_int8_t *);
95 static void serpent128_encrypt(caddr_t, u_int8_t *, u_int8_t *);
96 static void twofish_xts_encrypt(caddr_t, u_int8_t *, u_int8_t *);
97 static void serpent_xts_encrypt(caddr_t, u_int8_t *, u_int8_t *);
98 static void des1_decrypt(caddr_t, u_int8_t *, u_int8_t *);
99 static void des3_decrypt(caddr_t, u_int8_t *, u_int8_t *);
100 static void blf_decrypt(caddr_t, u_int8_t *, u_int8_t *);
101 static void cast5_decrypt(caddr_t, u_int8_t *, u_int8_t *);
102 static void skipjack_decrypt(caddr_t, u_int8_t *, u_int8_t *);
103 static void rijndael128_decrypt(caddr_t, u_int8_t *, u_int8_t *);
104 static void aes_xts_decrypt(caddr_t, u_int8_t *, u_int8_t *);
105 static void cml_decrypt(caddr_t, u_int8_t *, u_int8_t *);
106 static void twofish128_decrypt(caddr_t, u_int8_t *, u_int8_t *);
107 static void serpent128_decrypt(caddr_t, u_int8_t *, u_int8_t *);
108 static void twofish_xts_decrypt(caddr_t, u_int8_t *, u_int8_t *);
109 static void serpent_xts_decrypt(caddr_t, u_int8_t *, u_int8_t *);
110 static void des1_zerokey(u_int8_t **);
111 static void des3_zerokey(u_int8_t **);
112 static void blf_zerokey(u_int8_t **);
113 static void cast5_zerokey(u_int8_t **);
114 static void skipjack_zerokey(u_int8_t **);
115 static void rijndael128_zerokey(u_int8_t **);
116 static void aes_xts_zerokey(u_int8_t **);
117 static void aes_ctr_zerokey(u_int8_t **);
118 static void cml_zerokey(u_int8_t **);
119 static void twofish128_zerokey(u_int8_t **);
120 static void serpent128_zerokey(u_int8_t **);
121 static void twofish_xts_zerokey(u_int8_t **);
122 static void serpent_xts_zerokey(u_int8_t **);
123
124 static void aes_ctr_crypt(caddr_t, u_int8_t *, u_int8_t *);
125
126 static void aes_ctr_reinit(caddr_t, u_int8_t *);
127 static void aes_xts_reinit(caddr_t, u_int8_t *);
128 static void aes_gcm_reinit(caddr_t, u_int8_t *);
129 static void twofish_xts_reinit(caddr_t, u_int8_t *);
130 static void serpent_xts_reinit(caddr_t, u_int8_t *);
131
132 static void null_init(void *);
133 static int null_update(void *, u_int8_t *, u_int16_t);
134 static void null_final(u_int8_t *, void *);
135 static int MD5Update_int(void *, u_int8_t *, u_int16_t);
136 static void SHA1Init_int(void *);
137 static int SHA1Update_int(void *, u_int8_t *, u_int16_t);
138 static void SHA1Final_int(u_int8_t *, void *);
139 static int RMD160Update_int(void *, u_int8_t *, u_int16_t);
140 static int SHA256Update_int(void *, u_int8_t *, u_int16_t);
141 static int SHA384Update_int(void *, u_int8_t *, u_int16_t);
142 static int SHA512Update_int(void *, u_int8_t *, u_int16_t);
143
144 static u_int32_t deflate_compress(u_int8_t *, u_int32_t, u_int8_t **);
145 static u_int32_t deflate_decompress(u_int8_t *, u_int32_t, u_int8_t **);
146
147 /* Helper */
148 struct aes_xts_ctx;
149 struct twofish_xts_ctx;
150 struct serpent_xts_ctx;
151 static void aes_xts_crypt(struct aes_xts_ctx *, u_int8_t *, u_int8_t *, u_int);
152 static void twofish_xts_crypt(struct twofish_xts_ctx *, u_int8_t *, u_int8_t *,
153 u_int);
154 static void serpent_xts_crypt(struct serpent_xts_ctx *, u_int8_t *, u_int8_t *,
155 u_int);
156
157 MALLOC_DEFINE(M_XDATA, "xform", "xform data buffers");
158
159 /* Encryption instances */
160 struct enc_xform enc_xform_null = {
161 CRYPTO_NULL_CBC, "NULL",
162 /* NB: blocksize of 4 is to generate a properly aligned ESP header */
163 NULL_BLOCK_LEN, NULL_BLOCK_LEN, 0, 256, /* 2048 bits, max key */
164 null_encrypt,
165 null_decrypt,
166 null_setkey,
167 null_zerokey,
168 NULL
169 };
170
171 struct enc_xform enc_xform_des = {
172 CRYPTO_DES_CBC, "DES",
173 DES_BLOCK_LEN, DES_BLOCK_LEN, 8, 8,
174 des1_encrypt,
175 des1_decrypt,
176 des1_setkey,
177 des1_zerokey,
178 NULL
179 };
180
181 struct enc_xform enc_xform_3des = {
182 CRYPTO_3DES_CBC, "3DES",
183 DES3_BLOCK_LEN, DES3_BLOCK_LEN, 24, 24,
184 des3_encrypt,
185 des3_decrypt,
186 des3_setkey,
187 des3_zerokey,
188 NULL
189 };
190
191 struct enc_xform enc_xform_blf = {
192 CRYPTO_BLF_CBC, "Blowfish",
193 BLOWFISH_BLOCK_LEN, BLOWFISH_BLOCK_LEN, 5, 56 /* 448 bits, max key */,
194 blf_encrypt,
195 blf_decrypt,
196 blf_setkey,
197 blf_zerokey,
198 NULL
199 };
200
201 struct enc_xform enc_xform_cast5 = {
202 CRYPTO_CAST_CBC, "CAST-128",
203 CAST128_BLOCK_LEN, CAST128_BLOCK_LEN, 5, 16,
204 cast5_encrypt,
205 cast5_decrypt,
206 cast5_setkey,
207 cast5_zerokey,
208 NULL
209 };
210
211 struct enc_xform enc_xform_skipjack = {
212 CRYPTO_SKIPJACK_CBC, "Skipjack",
213 SKIPJACK_BLOCK_LEN, SKIPJACK_BLOCK_LEN, 10, 10,
214 skipjack_encrypt,
215 skipjack_decrypt,
216 skipjack_setkey,
217 skipjack_zerokey,
218 NULL
219 };
220
221 struct enc_xform enc_xform_rijndael128 = {
222 CRYPTO_RIJNDAEL128_CBC, "Rijndael-128/AES",
223 RIJNDAEL128_BLOCK_LEN, RIJNDAEL128_BLOCK_LEN, 8, 32,
224 rijndael128_encrypt,
225 rijndael128_decrypt,
226 rijndael128_setkey,
227 rijndael128_zerokey,
228 NULL
229 };
230
231 struct enc_xform enc_xform_aes_xts = {
232 CRYPTO_AES_XTS, "AES-XTS",
233 AES_XTS_BLOCK_LEN, AES_XTS_IV_LEN, 32, 64,
234 aes_xts_encrypt,
235 aes_xts_decrypt,
236 aes_xts_setkey,
237 aes_xts_zerokey,
238 aes_xts_reinit
239 };
240
241 struct enc_xform enc_xform_aes_ctr = {
242 CRYPTO_AES_CTR, "AES-CTR",
243 AESCTR_BLOCK_LEN, AESCTR_IV_LEN, 16+4, 32+4,
244 aes_ctr_crypt,
245 aes_ctr_crypt,
246 aes_ctr_setkey,
247 aes_ctr_zerokey,
248 aes_ctr_reinit
249 };
250
251 struct enc_xform enc_xform_aes_gcm = {
252 CRYPTO_AES_GCM_16, "AES-GCM",
253 AESGCM_BLOCK_LEN, AESGCM_IV_LEN, 16+4, 32+4,
254 aes_ctr_crypt,
255 aes_ctr_crypt,
256 aes_ctr_setkey,
257 aes_ctr_zerokey,
258 aes_gcm_reinit
259 };
260
261 struct enc_xform enc_xform_aes_gmac = {
262 CRYPTO_AES_GMAC, "AES-GMAC",
263 AESGMAC_BLOCK_LEN, AESGMAC_IV_LEN, 16+4, 32+4,
264 NULL,
265 NULL,
266 NULL,
267 NULL,
268 NULL
269 };
270
271 struct enc_xform enc_xform_arc4 = {
272 CRYPTO_ARC4, "ARC4",
273 1, 1, 1, 32,
274 NULL,
275 NULL,
276 NULL,
277 NULL,
278 NULL
279 };
280
281 struct enc_xform enc_xform_camellia = {
282 CRYPTO_CAMELLIA_CBC, "Camellia",
283 CAMELLIA_BLOCK_LEN, CAMELLIA_BLOCK_LEN, 8, 32,
284 cml_encrypt,
285 cml_decrypt,
286 cml_setkey,
287 cml_zerokey,
288 NULL
289 };
290
291 struct enc_xform enc_xform_twofish = {
292 CRYPTO_TWOFISH_CBC, "Twofish",
293 TWOFISH_BLOCK_LEN, TWOFISH_BLOCK_LEN, 8, 32,
294 twofish128_encrypt,
295 twofish128_decrypt,
296 twofish128_setkey,
297 twofish128_zerokey,
298 NULL
299 };
300
301 struct enc_xform enc_xform_serpent = {
302 CRYPTO_SERPENT_CBC, "Serpent",
303 SERPENT_BLOCK_LEN, SERPENT_BLOCK_LEN, 8, 32,
304 serpent128_encrypt,
305 serpent128_decrypt,
306 serpent128_setkey,
307 serpent128_zerokey,
308 NULL
309 };
310
311 struct enc_xform enc_xform_twofish_xts = {
312 CRYPTO_TWOFISH_XTS, "TWOFISH-XTS",
313 TWOFISH_XTS_BLOCK_LEN, TWOFISH_XTS_IV_LEN, 32, 64,
314 twofish_xts_encrypt,
315 twofish_xts_decrypt,
316 twofish_xts_setkey,
317 twofish_xts_zerokey,
318 twofish_xts_reinit
319 };
320
321 struct enc_xform enc_xform_serpent_xts = {
322 CRYPTO_SERPENT_XTS, "SERPENT-XTS",
323 SERPENT_XTS_BLOCK_LEN, SERPENT_XTS_IV_LEN, 32, 64,
324 serpent_xts_encrypt,
325 serpent_xts_decrypt,
326 serpent_xts_setkey,
327 serpent_xts_zerokey,
328 serpent_xts_reinit
329 };
330
331
332 /* Authentication instances */
333 struct auth_hash auth_hash_null = {
334 CRYPTO_NULL_HMAC, "NULL-HMAC",
335 0, NULL_HASH_LEN, NULL_HMAC_BLOCK_LEN, sizeof(int), /* NB: context isn't used */
336 null_init, NULL, NULL, null_update, null_final
337 };
338
339 struct auth_hash auth_hash_hmac_md5 = {
340 CRYPTO_MD5_HMAC, "HMAC-MD5",
341 16, MD5_HASH_LEN, MD5_HMAC_BLOCK_LEN, sizeof(MD5_CTX),
342 (void (*) (void *)) MD5Init, NULL, NULL,
343 MD5Update_int,
344 (void (*) (u_int8_t *, void *)) MD5Final
345 };
346
347 struct auth_hash auth_hash_hmac_sha1 = {
348 CRYPTO_SHA1_HMAC, "HMAC-SHA1",
349 20, SHA1_HASH_LEN, SHA1_HMAC_BLOCK_LEN, sizeof(SHA1_CTX),
350 SHA1Init_int, NULL, NULL,
351 SHA1Update_int, SHA1Final_int
352 };
353
354 struct auth_hash auth_hash_hmac_ripemd_160 = {
355 CRYPTO_RIPEMD160_HMAC, "HMAC-RIPEMD-160",
356 20, RIPEMD160_HASH_LEN, RIPEMD160_HMAC_BLOCK_LEN, sizeof(RMD160_CTX),
357 (void (*)(void *)) RMD160Init, NULL, NULL,
358 RMD160Update_int,
359 (void (*)(u_int8_t *, void *)) RMD160Final
360 };
361
362 struct auth_hash auth_hash_key_md5 = {
363 CRYPTO_MD5_KPDK, "Keyed MD5",
364 0, MD5_KPDK_HASH_LEN, 0, sizeof(MD5_CTX),
365 (void (*)(void *)) MD5Init, NULL, NULL,
366 MD5Update_int,
367 (void (*)(u_int8_t *, void *)) MD5Final
368 };
369
370 struct auth_hash auth_hash_key_sha1 = {
371 CRYPTO_SHA1_KPDK, "Keyed SHA1",
372 0, SHA1_KPDK_HASH_LEN, 0, sizeof(SHA1_CTX),
373 SHA1Init_int, NULL, NULL,
374 SHA1Update_int, SHA1Final_int
375 };
376
377 struct auth_hash auth_hash_hmac_sha2_256 = {
378 CRYPTO_SHA2_256_HMAC, "HMAC-SHA2-256",
379 32, SHA2_256_HASH_LEN, SHA2_256_HMAC_BLOCK_LEN, sizeof(SHA256_CTX),
380 (void (*)(void *)) SHA256_Init, NULL, NULL,
381 SHA256Update_int,
382 (void (*)(u_int8_t *, void *)) SHA256_Final
383 };
384
385 struct auth_hash auth_hash_hmac_sha2_384 = {
386 CRYPTO_SHA2_384_HMAC, "HMAC-SHA2-384",
387 48, SHA2_384_HASH_LEN, SHA2_384_HMAC_BLOCK_LEN, sizeof(SHA384_CTX),
388 (void (*)(void *)) SHA384_Init, NULL, NULL,
389 SHA384Update_int,
390 (void (*)(u_int8_t *, void *)) SHA384_Final
391 };
392
393 struct auth_hash auth_hash_hmac_sha2_512 = {
394 CRYPTO_SHA2_512_HMAC, "HMAC-SHA2-512",
395 64, SHA2_512_HASH_LEN, SHA2_512_HMAC_BLOCK_LEN, sizeof(SHA512_CTX),
396 (void (*)(void *)) SHA512_Init, NULL, NULL,
397 SHA512Update_int,
398 (void (*)(u_int8_t *, void *)) SHA512_Final
399 };
400
401 struct auth_hash auth_hash_gmac_aes_128 = {
402 CRYPTO_AES_128_GMAC, "GMAC-AES-128",
403 16+4, 16, 16, sizeof(AES_GMAC_CTX),
404 (void (*)(void *)) AES_GMAC_Init,
405 (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey,
406 (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit,
407 (int (*)(void *, u_int8_t *, u_int16_t)) AES_GMAC_Update,
408 (void (*)(u_int8_t *, void *)) AES_GMAC_Final
409 };
410
411 struct auth_hash auth_hash_gmac_aes_192 = {
412 CRYPTO_AES_192_GMAC, "GMAC-AES-192",
413 24+4, 16, 16, sizeof(AES_GMAC_CTX),
414 (void (*)(void *)) AES_GMAC_Init,
415 (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey,
416 (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit,
417 (int (*)(void *, u_int8_t *, u_int16_t)) AES_GMAC_Update,
418 (void (*)(u_int8_t *, void *)) AES_GMAC_Final
419 };
420
421 struct auth_hash auth_hash_gmac_aes_256 = {
422 CRYPTO_AES_256_GMAC, "GMAC-AES-256",
423 32+4, 16, 16, sizeof(AES_GMAC_CTX),
424 (void (*)(void *)) AES_GMAC_Init,
425 (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey,
426 (void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit,
427 (int (*)(void *, u_int8_t *, u_int16_t)) AES_GMAC_Update,
428 (void (*)(u_int8_t *, void *)) AES_GMAC_Final
429 };
430
431 /* Compression instance */
432 struct comp_algo comp_algo_deflate = {
433 CRYPTO_DEFLATE_COMP, "Deflate",
434 90, deflate_compress,
435 deflate_decompress
436 };
437
438 /*
439 * Encryption wrapper routines.
440 */
441 static void
442 null_encrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
443 {
444 }
445 static void
446 null_decrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
447 {
448 }
449 static int
450 null_setkey(u_int8_t **sched, u_int8_t *key, int len)
451 {
452 *sched = NULL;
453 return 0;
454 }
455 static void
456 null_zerokey(u_int8_t **sched)
457 {
458 *sched = NULL;
459 }
460
461 static void
462 des1_encrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
463 {
464 des_cblock *cb = (des_cblock *) blk;
465 des_key_schedule *p = (des_key_schedule *) key;
466
467 des_ecb_encrypt(cb, cb, p[0], DES_ENCRYPT);
468 }
469
470 static void
471 des1_decrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
472 {
473 des_cblock *cb = (des_cblock *) blk;
474 des_key_schedule *p = (des_key_schedule *) key;
475
476 des_ecb_encrypt(cb, cb, p[0], DES_DECRYPT);
477 }
478
479 static int
480 des1_setkey(u_int8_t **sched, u_int8_t *key, int len)
481 {
482 des_key_schedule *p;
483 int err;
484
485 p = kmalloc(sizeof (des_key_schedule),
486 M_CRYPTO_DATA, M_INTWAIT | M_ZERO);
487 if (p != NULL) {
488 des_set_key((des_cblock *) key, p[0]);
489 err = 0;
490 } else
491 err = ENOMEM;
492 *sched = (u_int8_t *) p;
493 return err;
494 }
495
496 static void
497 des1_zerokey(u_int8_t **sched)
498 {
499 bzero(*sched, sizeof (des_key_schedule));
500 kfree(*sched, M_CRYPTO_DATA);
501 *sched = NULL;
502 }
503
504 static void
505 des3_encrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
506 {
507 des_cblock *cb = (des_cblock *) blk;
508 des_key_schedule *p = (des_key_schedule *) key;
509
510 des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_ENCRYPT);
511 }
512
513 static void
514 des3_decrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
515 {
516 des_cblock *cb = (des_cblock *) blk;
517 des_key_schedule *p = (des_key_schedule *) key;
518
519 des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_DECRYPT);
520 }
521
522 static int
523 des3_setkey(u_int8_t **sched, u_int8_t *key, int len)
524 {
525 des_key_schedule *p;
526 int err;
527
528 p = kmalloc(3 * sizeof(des_key_schedule),
529 M_CRYPTO_DATA, M_INTWAIT | M_ZERO);
530 if (p != NULL) {
531 des_set_key((des_cblock *)(key + 0), p[0]);
532 des_set_key((des_cblock *)(key + 8), p[1]);
533 des_set_key((des_cblock *)(key + 16), p[2]);
534 err = 0;
535 } else
536 err = ENOMEM;
537 *sched = (u_int8_t *) p;
538 return err;
539 }
540
541 static void
542 des3_zerokey(u_int8_t **sched)
543 {
544 bzero(*sched, 3*sizeof (des_key_schedule));
545 kfree(*sched, M_CRYPTO_DATA);
546 *sched = NULL;
547 }
548
549 static void
550 blf_encrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
551 {
552 BF_LONG t[2];
553
554 memcpy(t, blk, sizeof (t));
555 t[0] = ntohl(t[0]);
556 t[1] = ntohl(t[1]);
557 /* NB: BF_encrypt expects the block in host order! */
558 BF_encrypt(t, (BF_KEY *) key);
559 t[0] = htonl(t[0]);
560 t[1] = htonl(t[1]);
561 memcpy(blk, t, sizeof (t));
562 }
563
564 static void
565 blf_decrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
566 {
567 BF_LONG t[2];
568
569 memcpy(t, blk, sizeof (t));
570 t[0] = ntohl(t[0]);
571 t[1] = ntohl(t[1]);
572 /* NB: BF_decrypt expects the block in host order! */
573 BF_decrypt(t, (BF_KEY *) key);
574 t[0] = htonl(t[0]);
575 t[1] = htonl(t[1]);
576 memcpy(blk, t, sizeof (t));
577 }
578
579 static int
580 blf_setkey(u_int8_t **sched, u_int8_t *key, int len)
581 {
582 int err;
583
584 *sched = kmalloc(sizeof(BF_KEY), M_CRYPTO_DATA, M_INTWAIT | M_ZERO);
585 if (*sched != NULL) {
586 BF_set_key((BF_KEY *) *sched, len, key);
587 err = 0;
588 } else
589 err = ENOMEM;
590 return err;
591 }
592
593 static void
594 blf_zerokey(u_int8_t **sched)
595 {
596 bzero(*sched, sizeof(BF_KEY));
597 kfree(*sched, M_CRYPTO_DATA);
598 *sched = NULL;
599 }
600
601 static void
602 cast5_encrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
603 {
604 cast_encrypt((cast_key *) key, blk, blk);
605 }
606
607 static void
608 cast5_decrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
609 {
610 cast_decrypt((cast_key *) key, blk, blk);
611 }
612
613 static int
614 cast5_setkey(u_int8_t **sched, u_int8_t *key, int len)
615 {
616 int err;
617
618 *sched = kmalloc(sizeof(cast_key), M_CRYPTO_DATA, M_INTWAIT | M_ZERO);
619 if (*sched != NULL) {
620 cast_setkey((cast_key *)*sched, key, len);
621 err = 0;
622 } else
623 err = ENOMEM;
624 return err;
625 }
626
627 static void
628 cast5_zerokey(u_int8_t **sched)
629 {
630 bzero(*sched, sizeof(cast_key));
631 kfree(*sched, M_CRYPTO_DATA);
632 *sched = NULL;
633 }
634
635 static void
636 skipjack_encrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
637 {
638 skipjack_forwards(blk, blk, (u_int8_t **) key);
639 }
640
641 static void
642 skipjack_decrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
643 {
644 skipjack_backwards(blk, blk, (u_int8_t **) key);
645 }
646
647 static int
648 skipjack_setkey(u_int8_t **sched, u_int8_t *key, int len)
649 {
650 int err;
651
652 /* NB: allocate all the memory that's needed at once */
653 *sched = kmalloc(10 * (sizeof(u_int8_t *) + 0x100),
654 M_CRYPTO_DATA, M_INTWAIT | M_ZERO);
655 if (*sched != NULL) {
656 u_int8_t** key_tables = (u_int8_t**) *sched;
657 u_int8_t* table = (u_int8_t*) &key_tables[10];
658 int k;
659
660 for (k = 0; k < 10; k++) {
661 key_tables[k] = table;
662 table += 0x100;
663 }
664 subkey_table_gen(key, (u_int8_t **) *sched);
665 err = 0;
666 } else
667 err = ENOMEM;
668 return err;
669 }
670
671 static void
672 skipjack_zerokey(u_int8_t **sched)
673 {
674 bzero(*sched, 10 * (sizeof(u_int8_t *) + 0x100));
675 kfree(*sched, M_CRYPTO_DATA);
676 *sched = NULL;
677 }
678
679 static void
680 rijndael128_encrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
681 {
682 rijndael_encrypt((rijndael_ctx *) key, (u_char *) blk, (u_char *) blk);
683 }
684
685 static void
686 rijndael128_decrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
687 {
688 rijndael_decrypt(((rijndael_ctx *) key), (u_char *) blk,
689 (u_char *) blk);
690 }
691
692 static int
693 rijndael128_setkey(u_int8_t **sched, u_int8_t *key, int len)
694 {
695 int err;
696
697 if (len != 16 && len != 24 && len != 32)
698 return (EINVAL);
699 *sched = kmalloc(sizeof(rijndael_ctx), M_CRYPTO_DATA,
700 M_INTWAIT | M_ZERO);
701 if (*sched != NULL) {
702 rijndael_set_key((rijndael_ctx *) *sched, (u_char *) key,
703 len * 8);
704 err = 0;
705 } else
706 err = ENOMEM;
707 return err;
708 }
709
710 static void
711 rijndael128_zerokey(u_int8_t **sched)
712 {
713 bzero(*sched, sizeof(rijndael_ctx));
714 kfree(*sched, M_CRYPTO_DATA);
715 *sched = NULL;
716 }
717
718 #define AES_XTS_ALPHA 0x87 /* GF(2^128) generator polynomial */
719
720 struct aes_xts_ctx {
721 rijndael_ctx key1;
722 rijndael_ctx key2;
723 };
724
725 void
726 aes_xts_reinit(caddr_t key, u_int8_t *iv)
727 {
728 struct aes_xts_ctx *ctx = (struct aes_xts_ctx *)key;
729 #if 0
730 u_int64_t blocknum;
731 u_int i;
732 #endif
733
734 #if 0
735 /*
736 * Prepare tweak as E_k2(IV). IV is specified as LE representation
737 * of a 64-bit block number which we allow to be passed in directly.
738 */
739 /* XXX: possibly use htole64? */
740 #endif
741 /* Last 64 bits of IV are always zero */
742 bzero(iv + AES_XTS_IV_LEN, AES_XTS_IV_LEN);
743
744 rijndael_encrypt(&ctx->key2, iv, iv);
745 }
746
747 void
748 aes_xts_crypt(struct aes_xts_ctx *ctx, u_int8_t *data, u_int8_t *iv, u_int do_encrypt)
749 {
750 u_int8_t block[AES_XTS_BLOCK_LEN];
751 u_int i, carry_in, carry_out;
752
753 for (i = 0; i < AES_XTS_BLOCK_LEN; i++)
754 block[i] = data[i] ^ iv[i];
755
756 if (do_encrypt)
757 rijndael_encrypt(&ctx->key1, block, data);
758 else
759 rijndael_decrypt(&ctx->key1, block, data);
760
761 for (i = 0; i < AES_XTS_BLOCK_LEN; i++)
762 data[i] ^= iv[i];
763
764 /* Exponentiate tweak */
765 carry_in = 0;
766 for (i = 0; i < AES_XTS_BLOCK_LEN; i++) {
767 carry_out = iv[i] & 0x80;
768 iv[i] = (iv[i] << 1) | (carry_in ? 1 : 0);
769 carry_in = carry_out;
770 }
771 if (carry_in)
772 iv[0] ^= AES_XTS_ALPHA;
773 bzero(block, sizeof(block));
774 }
775
776 void
777 aes_xts_encrypt(caddr_t key, u_int8_t *data, u_int8_t *iv)
778 {
779 aes_xts_crypt((struct aes_xts_ctx *)key, data, iv, 1);
780 }
781
782 void
783 aes_xts_decrypt(caddr_t key, u_int8_t *data, u_int8_t *iv)
784 {
785 aes_xts_crypt((struct aes_xts_ctx *)key, data, iv, 0);
786 }
787
788 int
789 aes_xts_setkey(u_int8_t **sched, u_int8_t *key, int len)
790 {
791 struct aes_xts_ctx *ctx;
792
793 if (len != 32 && len != 64)
794 return -1;
795
796 *sched = kmalloc(sizeof(struct aes_xts_ctx), M_CRYPTO_DATA,
797 M_WAITOK | M_ZERO);
798 ctx = (struct aes_xts_ctx *)*sched;
799
800 rijndael_set_key(&ctx->key1, key, len * 4);
801 rijndael_set_key(&ctx->key2, key + (len / 2), len * 4);
802
803 return 0;
804 }
805
806 void
807 aes_xts_zerokey(u_int8_t **sched)
808 {
809 bzero(*sched, sizeof(struct aes_xts_ctx));
810 kfree(*sched, M_CRYPTO_DATA);
811 *sched = NULL;
812 }
813
814 #define AESCTR_NONCESIZE 4
815
816 struct aes_ctr_ctx {
817 u_int32_t ac_ek[4*(14 + 1)];
818 u_int8_t ac_block[AESCTR_BLOCK_LEN];
819 int ac_nr;
820 };
821
822 void
823 aes_ctr_reinit(caddr_t key, u_int8_t *iv)
824 {
825 struct aes_ctr_ctx *ctx;
826
827 ctx = (struct aes_ctr_ctx *)key;
828 bcopy(iv, iv + AESCTR_NONCESIZE, AESCTR_IV_LEN);
829 bcopy(ctx->ac_block, iv, AESCTR_NONCESIZE);
830
831 /* reset counter */
832 bzero(iv + AESCTR_NONCESIZE + AESCTR_IV_LEN, 4);
833 }
834
835 void
836 aes_ctr_crypt(caddr_t key, u_int8_t *data, u_int8_t *iv)
837 {
838 struct aes_ctr_ctx *ctx;
839 u_int8_t keystream[AESCTR_BLOCK_LEN];
840 int i;
841
842 ctx = (struct aes_ctr_ctx *)key;
843 /* increment counter */
844 for (i = AESCTR_BLOCK_LEN - 1;
845 i >= AESCTR_NONCESIZE + AESCTR_IV_LEN; i--)
846 if (++iv[i]) /* continue on overflow */
847 break;
848 rijndaelEncrypt(ctx->ac_ek, ctx->ac_nr, iv, keystream);
849 for (i = 0; i < AESCTR_BLOCK_LEN; i++)
850 data[i] ^= keystream[i];
851 bzero(keystream, sizeof(keystream));
852 }
853
854 int
855 aes_ctr_setkey(u_int8_t **sched, u_int8_t *key, int len)
856 {
857 struct aes_ctr_ctx *ctx;
858
859 if (len < AESCTR_NONCESIZE)
860 return -1;
861
862 *sched = kmalloc(sizeof(struct aes_ctr_ctx), M_CRYPTO_DATA,
863 M_WAITOK | M_ZERO);
864 ctx = (struct aes_ctr_ctx *)*sched;
865 ctx->ac_nr = rijndaelKeySetupEnc(ctx->ac_ek, (u_char *)key,
866 (len - AESCTR_NONCESIZE) * 8);
867 if (ctx->ac_nr == 0) {
868 aes_ctr_zerokey(sched);
869 return -1;
870 }
871 bcopy(key + len - AESCTR_NONCESIZE, ctx->ac_block, AESCTR_NONCESIZE);
872 return 0;
873 }
874
875 void
876 aes_ctr_zerokey(u_int8_t **sched)
877 {
878 bzero(*sched, sizeof(struct aes_ctr_ctx));
879 kfree(*sched, M_CRYPTO_DATA);
880 *sched = NULL;
881 }
882
883 static void
884 aes_gcm_reinit(caddr_t key, u_int8_t *iv)
885 {
886 struct aes_ctr_ctx *ctx;
887
888 ctx = (struct aes_ctr_ctx *)key;
889 bcopy(iv, ctx->ac_block + AESCTR_NONCESIZE, AESCTR_IV_LEN);
890
891 /* reset counter */
892 bzero(ctx->ac_block + AESCTR_NONCESIZE + AESCTR_IV_LEN, 4);
893 ctx->ac_block[AESCTR_BLOCK_LEN - 1] = 1; /* GCM starts with 1 */
894 }
895
896 static void
897 cml_encrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
898 {
899 camellia_encrypt((camellia_ctx *) key, (u_char *) blk, (u_char *) blk);
900 }
901
902 static void
903 cml_decrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
904 {
905 camellia_decrypt(((camellia_ctx *) key), (u_char *) blk,
906 (u_char *) blk);
907 }
908
909 static int
910 cml_setkey(u_int8_t **sched, u_int8_t *key, int len)
911 {
912 int err;
913
914 if (len != 16 && len != 24 && len != 32)
915 return (EINVAL);
916 *sched = kmalloc(sizeof(camellia_ctx), M_CRYPTO_DATA,
917 M_INTWAIT | M_ZERO);
918 if (*sched != NULL) {
919 camellia_set_key((camellia_ctx *) *sched, (u_char *) key,
920 len * 8);
921 err = 0;
922 } else
923 err = ENOMEM;
924 return err;
925 }
926
927 static void
928 cml_zerokey(u_int8_t **sched)
929 {
930 bzero(*sched, sizeof(camellia_ctx));
931 kfree(*sched, M_CRYPTO_DATA);
932 *sched = NULL;
933 }
934
935 static void
936 twofish128_encrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
937 {
938 twofish_encrypt((twofish_ctx *) key, blk, blk);
939 }
940
941 static void
942 twofish128_decrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
943 {
944 twofish_decrypt(((twofish_ctx *) key), blk, blk);
945 }
946
947 static int
948 twofish128_setkey(u_int8_t **sched, u_int8_t *key, int len)
949 {
950 int err;
951
952 if (len != 16 && len != 24 && len != 32)
953 return (EINVAL);
954 *sched = kmalloc(sizeof(twofish_ctx), M_CRYPTO_DATA,
955 M_INTWAIT | M_ZERO);
956 if (*sched != NULL) {
957 twofish_set_key((twofish_ctx *) *sched, key, len * 8);
958 err = 0;
959 } else
960 err = ENOMEM;
961 return err;
962 }
963
964 static void
965 twofish128_zerokey(u_int8_t **sched)
966 {
967 bzero(*sched, sizeof(twofish_ctx));
968 kfree(*sched, M_CRYPTO_DATA);
969 *sched = NULL;
970 }
971
972 static void
973 serpent128_encrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
974 {
975 serpent_encrypt((serpent_ctx *) key, blk, blk);
976 }
977
978 static void
979 serpent128_decrypt(caddr_t key, u_int8_t *blk, u_int8_t *iv)
980 {
981 serpent_decrypt(((serpent_ctx *) key), blk, blk);
982 }
983
984 static int
985 serpent128_setkey(u_int8_t **sched, u_int8_t *key, int len)
986 {
987 int err;
988
989 if (len != 16 && len != 24 && len != 32)
990 return (EINVAL);
991 *sched = kmalloc(sizeof(serpent_ctx), M_CRYPTO_DATA,
992 M_INTWAIT | M_ZERO);
993 if (*sched != NULL) {
994 serpent_set_key((serpent_ctx *) *sched, key, len * 8);
995 err = 0;
996 } else
997 err = ENOMEM;
998 return err;
999 }
1000
1001 static void
1002 serpent128_zerokey(u_int8_t **sched)
1003 {
1004 bzero(*sched, sizeof(serpent_ctx));
1005 kfree(*sched, M_CRYPTO_DATA);
1006 *sched = NULL;
1007 }
1008
1009
1010 struct twofish_xts_ctx {
1011 twofish_ctx key1;
1012 twofish_ctx key2;
1013 };
1014
1015 void
1016 twofish_xts_reinit(caddr_t key, u_int8_t *iv)
1017 {
1018 struct twofish_xts_ctx *ctx = (struct twofish_xts_ctx *)key;
1019 #if 0
1020 u_int64_t blocknum;
1021 #endif
1022
1023 #if 0
1024 /*
1025 * Prepare tweak as E_k2(IV). IV is specified as LE representation
1026 * of a 64-bit block number which we allow to be passed in directly.
1027 */
1028 /* XXX: possibly use htole64? */
1029 #endif
1030 /* Last 64 bits of IV are always zero */
1031 bzero(iv + TWOFISH_XTS_IV_LEN, TWOFISH_XTS_IV_LEN);
1032
1033 twofish_encrypt(&ctx->key2, iv, iv);
1034 }
1035
1036 void
1037 twofish_xts_crypt(struct twofish_xts_ctx *ctx, u_int8_t *data, u_int8_t *iv,
1038 u_int do_encrypt)
1039 {
1040 u_int8_t block[TWOFISH_XTS_BLOCK_LEN];
1041 u_int i, carry_in, carry_out;
1042
1043 for (i = 0; i < TWOFISH_XTS_BLOCK_LEN; i++)
1044 block[i] = data[i] ^ iv[i];
1045
1046 if (do_encrypt)
1047 twofish_encrypt(&ctx->key1, block, data);
1048 else
1049 twofish_decrypt(&ctx->key1, block, data);
1050
1051 for (i = 0; i < TWOFISH_XTS_BLOCK_LEN; i++)
1052 data[i] ^= iv[i];
1053
1054 /* Exponentiate tweak */
1055 carry_in = 0;
1056 for (i = 0; i < TWOFISH_XTS_BLOCK_LEN; i++) {
1057 carry_out = iv[i] & 0x80;
1058 iv[i] = (iv[i] << 1) | (carry_in ? 1 : 0);
1059 carry_in = carry_out;
1060 }
1061 if (carry_in)
1062 iv[0] ^= AES_XTS_ALPHA;
1063 bzero(block, sizeof(block));
1064 }
1065
1066 void
1067 twofish_xts_encrypt(caddr_t key, u_int8_t *data, u_int8_t *iv)
1068 {
1069 twofish_xts_crypt((struct twofish_xts_ctx *)key, data, iv, 1);
1070 }
1071
1072 void
1073 twofish_xts_decrypt(caddr_t key, u_int8_t *data, u_int8_t *iv)
1074 {
1075 twofish_xts_crypt((struct twofish_xts_ctx *)key, data, iv, 0);
1076 }
1077
1078 int
1079 twofish_xts_setkey(u_int8_t **sched, u_int8_t *key, int len)
1080 {
1081 struct twofish_xts_ctx *ctx;
1082
1083 if (len != 32 && len != 64)
1084 return -1;
1085
1086 *sched = kmalloc(sizeof(struct twofish_xts_ctx), M_CRYPTO_DATA,
1087 M_WAITOK | M_ZERO);
1088 ctx = (struct twofish_xts_ctx *)*sched;
1089
1090 twofish_set_key(&ctx->key1, key, len * 4);
1091 twofish_set_key(&ctx->key2, key + (len / 2), len * 4);
1092
1093 return 0;
1094 }
1095
1096 void
1097 twofish_xts_zerokey(u_int8_t **sched)
1098 {
1099 bzero(*sched, sizeof(struct twofish_xts_ctx));
1100 kfree(*sched, M_CRYPTO_DATA);
1101 *sched = NULL;
1102 }
1103
1104 struct serpent_xts_ctx {
1105 serpent_ctx key1;
1106 serpent_ctx key2;
1107 };
1108
1109 void
1110 serpent_xts_reinit(caddr_t key, u_int8_t *iv)
1111 {
1112 struct serpent_xts_ctx *ctx = (struct serpent_xts_ctx *)key;
1113 #if 0
1114 u_int64_t blocknum;
1115 u_int i;
1116 #endif
1117
1118 #if 0
1119 /*
1120 * Prepare tweak as E_k2(IV). IV is specified as LE representation
1121 * of a 64-bit block number which we allow to be passed in directly.
1122 */
1123 /* XXX: possibly use htole64? */
1124 #endif
1125 /* Last 64 bits of IV are always zero */
1126 bzero(iv + SERPENT_XTS_IV_LEN, SERPENT_XTS_IV_LEN);
1127
1128 serpent_encrypt(&ctx->key2, iv, iv);
1129 }
1130
1131 void
1132 serpent_xts_crypt(struct serpent_xts_ctx *ctx, u_int8_t *data, u_int8_t *iv,
1133 u_int do_encrypt)
1134 {
1135 u_int8_t block[SERPENT_XTS_BLOCK_LEN];
1136 u_int i, carry_in, carry_out;
1137
1138 for (i = 0; i < SERPENT_XTS_BLOCK_LEN; i++)
1139 block[i] = data[i] ^ iv[i];
1140
1141 if (do_encrypt)
1142 serpent_encrypt(&ctx->key1, block, data);
1143 else
1144 serpent_decrypt(&ctx->key1, block, data);
1145
1146 for (i = 0; i < SERPENT_XTS_BLOCK_LEN; i++)
1147 data[i] ^= iv[i];
1148
1149 /* Exponentiate tweak */
1150 carry_in = 0;
1151 for (i = 0; i < SERPENT_XTS_BLOCK_LEN; i++) {
1152 carry_out = iv[i] & 0x80;
1153 iv[i] = (iv[i] << 1) | (carry_in ? 1 : 0);
1154 carry_in = carry_out;
1155 }
1156 if (carry_in)
1157 iv[0] ^= AES_XTS_ALPHA;
1158 bzero(block, sizeof(block));
1159 }
1160
1161 void
1162 serpent_xts_encrypt(caddr_t key, u_int8_t *data, u_int8_t *iv)
1163 {
1164 serpent_xts_crypt((struct serpent_xts_ctx *)key, data, iv, 1);
1165 }
1166
1167 void
1168 serpent_xts_decrypt(caddr_t key, u_int8_t *data, u_int8_t *iv)
1169 {
1170 serpent_xts_crypt((struct serpent_xts_ctx *)key, data, iv, 0);
1171 }
1172
1173 int
1174 serpent_xts_setkey(u_int8_t **sched, u_int8_t *key, int len)
1175 {
1176 struct serpent_xts_ctx *ctx;
1177
1178 if (len != 32 && len != 64)
1179 return -1;
1180
1181 *sched = kmalloc(sizeof(struct serpent_xts_ctx), M_CRYPTO_DATA,
1182 M_WAITOK | M_ZERO);
1183 ctx = (struct serpent_xts_ctx *)*sched;
1184
1185 serpent_set_key(&ctx->key1, key, len * 4);
1186 serpent_set_key(&ctx->key2, key + (len / 2), len * 4);
1187
1188 return 0;
1189 }
1190
1191 void
1192 serpent_xts_zerokey(u_int8_t **sched)
1193 {
1194 bzero(*sched, sizeof(struct serpent_xts_ctx));
1195 kfree(*sched, M_CRYPTO_DATA);
1196 *sched = NULL;
1197 }
1198
1199
1200 /*
1201 * And now for auth.
1202 */
1203
1204 static void
1205 null_init(void *ctx)
1206 {
1207 }
1208
1209 static int
1210 null_update(void *ctx, u_int8_t *buf, u_int16_t len)
1211 {
1212 return 0;
1213 }
1214
1215 static void
1216 null_final(u_int8_t *buf, void *ctx)
1217 {
1218 if (buf != NULL)
1219 bzero(buf, 12);
1220 }
1221
1222 static int
1223 RMD160Update_int(void *ctx, u_int8_t *buf, u_int16_t len)
1224 {
1225 RMD160Update(ctx, buf, len);
1226 return 0;
1227 }
1228
1229 static int
1230 MD5Update_int(void *ctx, u_int8_t *buf, u_int16_t len)
1231 {
1232 MD5Update(ctx, buf, len);
1233 return 0;
1234 }
1235
1236 static void
1237 SHA1Init_int(void *ctx)
1238 {
1239 SHA1Init(ctx);
1240 }
1241
1242 static int
1243 SHA1Update_int(void *ctx, u_int8_t *buf, u_int16_t len)
1244 {
1245 SHA1Update(ctx, buf, len);
1246 return 0;
1247 }
1248
1249 static void
1250 SHA1Final_int(u_int8_t *blk, void *ctx)
1251 {
1252 SHA1Final(blk, ctx);
1253 }
1254
1255 static int
1256 SHA256Update_int(void *ctx, u_int8_t *buf, u_int16_t len)
1257 {
1258 SHA256_Update(ctx, buf, len);
1259 return 0;
1260 }
1261
1262 static int
1263 SHA384Update_int(void *ctx, u_int8_t *buf, u_int16_t len)
1264 {
1265 SHA384_Update(ctx, buf, len);
1266 return 0;
1267 }
1268
1269 static int
1270 SHA512Update_int(void *ctx, u_int8_t *buf, u_int16_t len)
1271 {
1272 SHA512_Update(ctx, buf, len);
1273 return 0;
1274 }
1275
1276 /*
1277 * And compression
1278 */
1279
1280 static u_int32_t
1281 deflate_compress(u_int8_t *data, u_int32_t size, u_int8_t **out)
1282 {
1283 return deflate_global(data, size, 0, out);
1284 }
1285
1286 static u_int32_t
1287 deflate_decompress(u_int8_t *data, u_int32_t size, u_int8_t **out)
1288 {
1289 return deflate_global(data, size, 1, out);
1290 }
DragonFly BSD