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[CRYPTO] tcrypt: Add self test for des3_ebe cipher operating in cbc mode
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / crypto / tcrypt.c
blobffc1ec6d279ebfbeeebea2e9e5e1b004b289920d
1 /*
2 * Quick & dirty crypto testing module.
3 *
4 * This will only exist until we have a better testing mechanism
5 * (e.g. a char device).
6 *
7 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
8 * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
9 * Copyright (c) 2007 Nokia Siemens Networks
10 *
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the Free
13 * Software Foundation; either version 2 of the License, or (at your option)
14 * any later version.
15 *
16 */
17
18 #include <linux/err.h>
19 #include <linux/init.h>
20 #include <linux/module.h>
21 #include <linux/mm.h>
22 #include <linux/slab.h>
23 #include <linux/scatterlist.h>
24 #include <linux/string.h>
25 #include <linux/crypto.h>
26 #include <linux/highmem.h>
27 #include <linux/moduleparam.h>
28 #include <linux/jiffies.h>
29 #include <linux/timex.h>
30 #include <linux/interrupt.h>
31 #include "tcrypt.h"
32
33 /*
34 * Need to kmalloc() memory for testing kmap().
35 */
36 #define TVMEMSIZE 16384
37 #define XBUFSIZE 32768
38
39 /*
40 * Indexes into the xbuf to simulate cross-page access.
41 */
42 #define IDX1 32
43 #define IDX2 32400
44 #define IDX3 1
45 #define IDX4 8193
46 #define IDX5 22222
47 #define IDX6 17101
48 #define IDX7 27333
49 #define IDX8 3000
50
51 /*
52 * Used by test_cipher()
53 */
54 #define ENCRYPT 1
55 #define DECRYPT 0
56
57 struct tcrypt_result {
58 struct completion completion;
59 int err;
60 };
61
62 static unsigned int IDX[8] = { IDX1, IDX2, IDX3, IDX4, IDX5, IDX6, IDX7, IDX8 };
63
64 /*
65 * Used by test_cipher_speed()
66 */
67 static unsigned int sec;
68
69 static int mode;
70 static char *xbuf;
71 static char *axbuf;
72 static char *tvmem;
73
74 static char *check[] = {
75 "des", "md5", "des3_ede", "rot13", "sha1", "sha224", "sha256",
76 "blowfish", "twofish", "serpent", "sha384", "sha512", "md4", "aes",
77 "cast6", "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
78 "khazad", "wp512", "wp384", "wp256", "tnepres", "xeta", "fcrypt",
79 "camellia", "seed", "salsa20", "rmd128", "rmd160", "rmd256", "rmd320",
80 "lzo", "cts", NULL
81 };
82
83 static void hexdump(unsigned char *buf, unsigned int len)
84 {
85 print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
86 16, 1,
87 buf, len, false);
88 }
89
90 static void tcrypt_complete(struct crypto_async_request *req, int err)
91 {
92 struct tcrypt_result *res = req->data;
93
94 if (err == -EINPROGRESS)
95 return;
96
97 res->err = err;
98 complete(&res->completion);
99 }
100
101 static void test_hash(char *algo, struct hash_testvec *template,
102 unsigned int tcount)
103 {
104 unsigned int i, j, k, temp;
105 struct scatterlist sg[8];
106 char result[64];
107 struct crypto_ahash *tfm;
108 struct ahash_request *req;
109 struct tcrypt_result tresult;
110 int ret;
111 void *hash_buff;
112
113 printk("\ntesting %s\n", algo);
114
115 init_completion(&tresult.completion);
116
117 tfm = crypto_alloc_ahash(algo, 0, 0);
118 if (IS_ERR(tfm)) {
119 printk("failed to load transform for %s: %ld\n", algo,
120 PTR_ERR(tfm));
121 return;
122 }
123
124 req = ahash_request_alloc(tfm, GFP_KERNEL);
125 if (!req) {
126 printk(KERN_ERR "failed to allocate request for %s\n", algo);
127 goto out_noreq;
128 }
129 ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
130 tcrypt_complete, &tresult);
131
132 for (i = 0; i < tcount; i++) {
133 printk("test %u:\n", i + 1);
134 memset(result, 0, 64);
135
136 hash_buff = kzalloc(template[i].psize, GFP_KERNEL);
137 if (!hash_buff)
138 continue;
139
140 memcpy(hash_buff, template[i].plaintext, template[i].psize);
141 sg_init_one(&sg[0], hash_buff, template[i].psize);
142
143 if (template[i].ksize) {
144 crypto_ahash_clear_flags(tfm, ~0);
145 ret = crypto_ahash_setkey(tfm, template[i].key,
146 template[i].ksize);
147 if (ret) {
148 printk("setkey() failed ret=%d\n", ret);
149 kfree(hash_buff);
150 goto out;
151 }
152 }
153
154 ahash_request_set_crypt(req, sg, result, template[i].psize);
155 ret = crypto_ahash_digest(req);
156 switch (ret) {
157 case 0:
158 break;
159 case -EINPROGRESS:
160 case -EBUSY:
161 ret = wait_for_completion_interruptible(
162 &tresult.completion);
163 if (!ret && !(ret = tresult.err)) {
164 INIT_COMPLETION(tresult.completion);
165 break;
166 }
167 /* fall through */
168 default:
169 printk("digest () failed ret=%d\n", ret);
170 kfree(hash_buff);
171 goto out;
172 }
173
174 hexdump(result, crypto_ahash_digestsize(tfm));
175 printk("%s\n",
176 memcmp(result, template[i].digest,
177 crypto_ahash_digestsize(tfm)) ?
178 "fail" : "pass");
179 kfree(hash_buff);
180 }
181
182 printk("testing %s across pages\n", algo);
183
184 /* setup the dummy buffer first */
185 memset(xbuf, 0, XBUFSIZE);
186
187 j = 0;
188 for (i = 0; i < tcount; i++) {
189 if (template[i].np) {
190 j++;
191 printk("test %u:\n", j);
192 memset(result, 0, 64);
193
194 temp = 0;
195 sg_init_table(sg, template[i].np);
196 for (k = 0; k < template[i].np; k++) {
197 memcpy(&xbuf[IDX[k]],
198 template[i].plaintext + temp,
199 template[i].tap[k]);
200 temp += template[i].tap[k];
201 sg_set_buf(&sg[k], &xbuf[IDX[k]],
202 template[i].tap[k]);
203 }
204
205 if (template[i].ksize) {
206 crypto_ahash_clear_flags(tfm, ~0);
207 ret = crypto_ahash_setkey(tfm, template[i].key,
208 template[i].ksize);
209
210 if (ret) {
211 printk("setkey() failed ret=%d\n", ret);
212 goto out;
213 }
214 }
215
216 ahash_request_set_crypt(req, sg, result,
217 template[i].psize);
218 ret = crypto_ahash_digest(req);
219 switch (ret) {
220 case 0:
221 break;
222 case -EINPROGRESS:
223 case -EBUSY:
224 ret = wait_for_completion_interruptible(
225 &tresult.completion);
226 if (!ret && !(ret = tresult.err)) {
227 INIT_COMPLETION(tresult.completion);
228 break;
229 }
230 /* fall through */
231 default:
232 printk("digest () failed ret=%d\n", ret);
233 goto out;
234 }
235
236 hexdump(result, crypto_ahash_digestsize(tfm));
237 printk("%s\n",
238 memcmp(result, template[i].digest,
239 crypto_ahash_digestsize(tfm)) ?
240 "fail" : "pass");
241 }
242 }
243
244 out:
245 ahash_request_free(req);
246 out_noreq:
247 crypto_free_ahash(tfm);
248 }
249
250 static void test_aead(char *algo, int enc, struct aead_testvec *template,
251 unsigned int tcount)
252 {
253 unsigned int ret, i, j, k, n, temp;
254 char *q;
255 struct crypto_aead *tfm;
256 char *key;
257 struct aead_request *req;
258 struct scatterlist sg[8];
259 struct scatterlist asg[8];
260 const char *e;
261 struct tcrypt_result result;
262 unsigned int authsize;
263 void *input;
264 void *assoc;
265 char iv[MAX_IVLEN];
266
267 if (enc == ENCRYPT)
268 e = "encryption";
269 else
270 e = "decryption";
271
272 printk(KERN_INFO "\ntesting %s %s\n", algo, e);
273
274 init_completion(&result.completion);
275
276 tfm = crypto_alloc_aead(algo, 0, 0);
277
278 if (IS_ERR(tfm)) {
279 printk(KERN_INFO "failed to load transform for %s: %ld\n",
280 algo, PTR_ERR(tfm));
281 return;
282 }
283
284 req = aead_request_alloc(tfm, GFP_KERNEL);
285 if (!req) {
286 printk(KERN_INFO "failed to allocate request for %s\n", algo);
287 goto out;
288 }
289
290 aead_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
291 tcrypt_complete, &result);
292
293 for (i = 0, j = 0; i < tcount; i++) {
294 if (!template[i].np) {
295 printk(KERN_INFO "test %u (%d bit key):\n",
296 ++j, template[i].klen * 8);
297
298 /* some tepmplates have no input data but they will
299 * touch input
300 */
301 input = kzalloc(template[i].ilen + template[i].rlen, GFP_KERNEL);
302 if (!input)
303 continue;
304
305 assoc = kzalloc(template[i].alen, GFP_KERNEL);
306 if (!assoc) {
307 kfree(input);
308 continue;
309 }
310
311 memcpy(input, template[i].input, template[i].ilen);
312 memcpy(assoc, template[i].assoc, template[i].alen);
313 if (template[i].iv)
314 memcpy(iv, template[i].iv, MAX_IVLEN);
315 else
316 memset(iv, 0, MAX_IVLEN);
317
318 crypto_aead_clear_flags(tfm, ~0);
319 if (template[i].wk)
320 crypto_aead_set_flags(
321 tfm, CRYPTO_TFM_REQ_WEAK_KEY);
322
323 if (template[i].key)
324 key = template[i].key;
325 else
326 key = kzalloc(template[i].klen, GFP_KERNEL);
327
328 ret = crypto_aead_setkey(tfm, key,
329 template[i].klen);
330 if (ret) {
331 printk(KERN_INFO "setkey() failed flags=%x\n",
332 crypto_aead_get_flags(tfm));
333
334 if (!template[i].fail)
335 goto next_one;
336 }
337
338 authsize = abs(template[i].rlen - template[i].ilen);
339 ret = crypto_aead_setauthsize(tfm, authsize);
340 if (ret) {
341 printk(KERN_INFO
342 "failed to set authsize = %u\n",
343 authsize);
344 goto next_one;
345 }
346
347 sg_init_one(&sg[0], input,
348 template[i].ilen + (enc ? authsize : 0));
349
350 sg_init_one(&asg[0], assoc, template[i].alen);
351
352 aead_request_set_crypt(req, sg, sg,
353 template[i].ilen, iv);
354
355 aead_request_set_assoc(req, asg, template[i].alen);
356
357 ret = enc ?
358 crypto_aead_encrypt(req) :
359 crypto_aead_decrypt(req);
360
361 switch (ret) {
362 case 0:
363 break;
364 case -EINPROGRESS:
365 case -EBUSY:
366 ret = wait_for_completion_interruptible(
367 &result.completion);
368 if (!ret && !(ret = result.err)) {
369 INIT_COMPLETION(result.completion);
370 break;
371 }
372 /* fall through */
373 default:
374 printk(KERN_INFO "%s () failed err=%d\n",
375 e, -ret);
376 goto next_one;
377 }
378
379 q = kmap(sg_page(&sg[0])) + sg[0].offset;
380 hexdump(q, template[i].rlen);
381
382 printk(KERN_INFO "enc/dec: %s\n",
383 memcmp(q, template[i].result,
384 template[i].rlen) ? "fail" : "pass");
385 kunmap(sg_page(&sg[0]));
386 next_one:
387 if (!template[i].key)
388 kfree(key);
389 kfree(assoc);
390 kfree(input);
391 }
392 }
393
394 printk(KERN_INFO "\ntesting %s %s across pages (chunking)\n", algo, e);
395 memset(axbuf, 0, XBUFSIZE);
396
397 for (i = 0, j = 0; i < tcount; i++) {
398 if (template[i].np) {
399 printk(KERN_INFO "test %u (%d bit key):\n",
400 ++j, template[i].klen * 8);
401
402 if (template[i].iv)
403 memcpy(iv, template[i].iv, MAX_IVLEN);
404 else
405 memset(iv, 0, MAX_IVLEN);
406
407 crypto_aead_clear_flags(tfm, ~0);
408 if (template[i].wk)
409 crypto_aead_set_flags(
410 tfm, CRYPTO_TFM_REQ_WEAK_KEY);
411 key = template[i].key;
412
413 ret = crypto_aead_setkey(tfm, key, template[i].klen);
414 if (ret) {
415 printk(KERN_INFO "setkey() failed flags=%x\n",
416 crypto_aead_get_flags(tfm));
417
418 if (!template[i].fail)
419 goto out;
420 }
421
422 memset(xbuf, 0, XBUFSIZE);
423 sg_init_table(sg, template[i].np);
424 for (k = 0, temp = 0; k < template[i].np; k++) {
425 memcpy(&xbuf[IDX[k]],
426 template[i].input + temp,
427 template[i].tap[k]);
428 temp += template[i].tap[k];
429 sg_set_buf(&sg[k], &xbuf[IDX[k]],
430 template[i].tap[k]);
431 }
432
433 authsize = abs(template[i].rlen - template[i].ilen);
434 ret = crypto_aead_setauthsize(tfm, authsize);
435 if (ret) {
436 printk(KERN_INFO
437 "failed to set authsize = %u\n",
438 authsize);
439 goto out;
440 }
441
442 if (enc)
443 sg[k - 1].length += authsize;
444
445 sg_init_table(asg, template[i].anp);
446 for (k = 0, temp = 0; k < template[i].anp; k++) {
447 memcpy(&axbuf[IDX[k]],
448 template[i].assoc + temp,
449 template[i].atap[k]);
450 temp += template[i].atap[k];
451 sg_set_buf(&asg[k], &axbuf[IDX[k]],
452 template[i].atap[k]);
453 }
454
455 aead_request_set_crypt(req, sg, sg,
456 template[i].ilen,
457 iv);
458
459 aead_request_set_assoc(req, asg, template[i].alen);
460
461 ret = enc ?
462 crypto_aead_encrypt(req) :
463 crypto_aead_decrypt(req);
464
465 switch (ret) {
466 case 0:
467 break;
468 case -EINPROGRESS:
469 case -EBUSY:
470 ret = wait_for_completion_interruptible(
471 &result.completion);
472 if (!ret && !(ret = result.err)) {
473 INIT_COMPLETION(result.completion);
474 break;
475 }
476 /* fall through */
477 default:
478 printk(KERN_INFO "%s () failed err=%d\n",
479 e, -ret);
480 goto out;
481 }
482
483 for (k = 0, temp = 0; k < template[i].np; k++) {
484 printk(KERN_INFO "page %u\n", k);
485 q = kmap(sg_page(&sg[k])) + sg[k].offset;
486 hexdump(q, template[i].tap[k]);
487 printk(KERN_INFO "%s\n",
488 memcmp(q, template[i].result + temp,
489 template[i].tap[k] -
490 (k < template[i].np - 1 || enc ?
491 0 : authsize)) ?
492 "fail" : "pass");
493
494 for (n = 0; q[template[i].tap[k] + n]; n++)
495 ;
496 if (n) {
497 printk("Result buffer corruption %u "
498 "bytes:\n", n);
499 hexdump(&q[template[i].tap[k]], n);
500 }
501
502 temp += template[i].tap[k];
503 kunmap(sg_page(&sg[k]));
504 }
505 }
506 }
507
508 out:
509 crypto_free_aead(tfm);
510 aead_request_free(req);
511 }
512
513 static void test_cipher(char *algo, int enc,
514 struct cipher_testvec *template, unsigned int tcount)
515 {
516 unsigned int ret, i, j, k, n, temp;
517 char *q;
518 struct crypto_ablkcipher *tfm;
519 struct ablkcipher_request *req;
520 struct scatterlist sg[8];
521 const char *e;
522 struct tcrypt_result result;
523 void *data;
524 char iv[MAX_IVLEN];
525
526 if (enc == ENCRYPT)
527 e = "encryption";
528 else
529 e = "decryption";
530
531 printk("\ntesting %s %s\n", algo, e);
532
533 init_completion(&result.completion);
534 tfm = crypto_alloc_ablkcipher(algo, 0, 0);
535
536 if (IS_ERR(tfm)) {
537 printk("failed to load transform for %s: %ld\n", algo,
538 PTR_ERR(tfm));
539 return;
540 }
541
542 req = ablkcipher_request_alloc(tfm, GFP_KERNEL);
543 if (!req) {
544 printk("failed to allocate request for %s\n", algo);
545 goto out;
546 }
547
548 ablkcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
549 tcrypt_complete, &result);
550
551 j = 0;
552 for (i = 0; i < tcount; i++) {
553
554 data = kzalloc(template[i].ilen, GFP_KERNEL);
555 if (!data)
556 continue;
557
558 memcpy(data, template[i].input, template[i].ilen);
559 if (template[i].iv)
560 memcpy(iv, template[i].iv, MAX_IVLEN);
561 else
562 memset(iv, 0, MAX_IVLEN);
563
564 if (!(template[i].np)) {
565 j++;
566 printk("test %u (%d bit key):\n",
567 j, template[i].klen * 8);
568
569 crypto_ablkcipher_clear_flags(tfm, ~0);
570 if (template[i].wk)
571 crypto_ablkcipher_set_flags(
572 tfm, CRYPTO_TFM_REQ_WEAK_KEY);
573
574 ret = crypto_ablkcipher_setkey(tfm, template[i].key,
575 template[i].klen);
576 if (ret) {
577 printk("setkey() failed flags=%x\n",
578 crypto_ablkcipher_get_flags(tfm));
579
580 if (!template[i].fail) {
581 kfree(data);
582 goto out;
583 }
584 }
585
586 sg_init_one(&sg[0], data, template[i].ilen);
587
588 ablkcipher_request_set_crypt(req, sg, sg,
589 template[i].ilen, iv);
590 ret = enc ?
591 crypto_ablkcipher_encrypt(req) :
592 crypto_ablkcipher_decrypt(req);
593
594 switch (ret) {
595 case 0:
596 break;
597 case -EINPROGRESS:
598 case -EBUSY:
599 ret = wait_for_completion_interruptible(
600 &result.completion);
601 if (!ret && !((ret = result.err))) {
602 INIT_COMPLETION(result.completion);
603 break;
604 }
605 /* fall through */
606 default:
607 printk("%s () failed err=%d\n", e, -ret);
608 kfree(data);
609 goto out;
610 }
611
612 q = kmap(sg_page(&sg[0])) + sg[0].offset;
613 hexdump(q, template[i].rlen);
614
615 printk("%s\n",
616 memcmp(q, template[i].result,
617 template[i].rlen) ? "fail" : "pass");
618 kunmap(sg_page(&sg[0]));
619 }
620 kfree(data);
621 }
622
623 printk("\ntesting %s %s across pages (chunking)\n", algo, e);
624
625 j = 0;
626 for (i = 0; i < tcount; i++) {
627
628 if (template[i].iv)
629 memcpy(iv, template[i].iv, MAX_IVLEN);
630 else
631 memset(iv, 0, MAX_IVLEN);
632
633 if (template[i].np) {
634 j++;
635 printk("test %u (%d bit key):\n",
636 j, template[i].klen * 8);
637
638 memset(xbuf, 0, XBUFSIZE);
639 crypto_ablkcipher_clear_flags(tfm, ~0);
640 if (template[i].wk)
641 crypto_ablkcipher_set_flags(
642 tfm, CRYPTO_TFM_REQ_WEAK_KEY);
643
644 ret = crypto_ablkcipher_setkey(tfm, template[i].key,
645 template[i].klen);
646 if (ret) {
647 printk("setkey() failed flags=%x\n",
648 crypto_ablkcipher_get_flags(tfm));
649
650 if (!template[i].fail)
651 goto out;
652 }
653
654 temp = 0;
655 sg_init_table(sg, template[i].np);
656 for (k = 0; k < template[i].np; k++) {
657 memcpy(&xbuf[IDX[k]],
658 template[i].input + temp,
659 template[i].tap[k]);
660 temp += template[i].tap[k];
661 sg_set_buf(&sg[k], &xbuf[IDX[k]],
662 template[i].tap[k]);
663 }
664
665 ablkcipher_request_set_crypt(req, sg, sg,
666 template[i].ilen, iv);
667
668 ret = enc ?
669 crypto_ablkcipher_encrypt(req) :
670 crypto_ablkcipher_decrypt(req);
671
672 switch (ret) {
673 case 0:
674 break;
675 case -EINPROGRESS:
676 case -EBUSY:
677 ret = wait_for_completion_interruptible(
678 &result.completion);
679 if (!ret && !((ret = result.err))) {
680 INIT_COMPLETION(result.completion);
681 break;
682 }
683 /* fall through */
684 default:
685 printk("%s () failed err=%d\n", e, -ret);
686 goto out;
687 }
688
689 temp = 0;
690 for (k = 0; k < template[i].np; k++) {
691 printk("page %u\n", k);
692 q = kmap(sg_page(&sg[k])) + sg[k].offset;
693 hexdump(q, template[i].tap[k]);
694 printk("%s\n",
695 memcmp(q, template[i].result + temp,
696 template[i].tap[k]) ? "fail" :
697 "pass");
698
699 for (n = 0; q[template[i].tap[k] + n]; n++)
700 ;
701 if (n) {
702 printk("Result buffer corruption %u "
703 "bytes:\n", n);
704 hexdump(&q[template[i].tap[k]], n);
705 }
706 temp += template[i].tap[k];
707 kunmap(sg_page(&sg[k]));
708 }
709 }
710 }
711 out:
712 crypto_free_ablkcipher(tfm);
713 ablkcipher_request_free(req);
714 }
715
716 static int test_cipher_jiffies(struct blkcipher_desc *desc, int enc, char *p,
717 int blen, int sec)
718 {
719 struct scatterlist sg[1];
720 unsigned long start, end;
721 int bcount;
722 int ret;
723
724 sg_init_one(sg, p, blen);
725
726 for (start = jiffies, end = start + sec * HZ, bcount = 0;
727 time_before(jiffies, end); bcount++) {
728 if (enc)
729 ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
730 else
731 ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
732
733 if (ret)
734 return ret;
735 }
736
737 printk("%d operations in %d seconds (%ld bytes)\n",
738 bcount, sec, (long)bcount * blen);
739 return 0;
740 }
741
742 static int test_cipher_cycles(struct blkcipher_desc *desc, int enc, char *p,
743 int blen)
744 {
745 struct scatterlist sg[1];
746 unsigned long cycles = 0;
747 int ret = 0;
748 int i;
749
750 sg_init_one(sg, p, blen);
751
752 local_bh_disable();
753 local_irq_disable();
754
755 /* Warm-up run. */
756 for (i = 0; i < 4; i++) {
757 if (enc)
758 ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
759 else
760 ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
761
762 if (ret)
763 goto out;
764 }
765
766 /* The real thing. */
767 for (i = 0; i < 8; i++) {
768 cycles_t start, end;
769
770 start = get_cycles();
771 if (enc)
772 ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
773 else
774 ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
775 end = get_cycles();
776
777 if (ret)
778 goto out;
779
780 cycles += end - start;
781 }
782
783 out:
784 local_irq_enable();
785 local_bh_enable();
786
787 if (ret == 0)
788 printk("1 operation in %lu cycles (%d bytes)\n",
789 (cycles + 4) / 8, blen);
790
791 return ret;
792 }
793
794 static u32 block_sizes[] = { 16, 64, 256, 1024, 8192, 0 };
795
796 static void test_cipher_speed(char *algo, int enc, unsigned int sec,
797 struct cipher_testvec *template,
798 unsigned int tcount, u8 *keysize)
799 {
800 unsigned int ret, i, j, iv_len;
801 unsigned char *key, *p, iv[128];
802 struct crypto_blkcipher *tfm;
803 struct blkcipher_desc desc;
804 const char *e;
805 u32 *b_size;
806
807 if (enc == ENCRYPT)
808 e = "encryption";
809 else
810 e = "decryption";
811
812 printk("\ntesting speed of %s %s\n", algo, e);
813
814 tfm = crypto_alloc_blkcipher(algo, 0, CRYPTO_ALG_ASYNC);
815
816 if (IS_ERR(tfm)) {
817 printk("failed to load transform for %s: %ld\n", algo,
818 PTR_ERR(tfm));
819 return;
820 }
821 desc.tfm = tfm;
822 desc.flags = 0;
823
824 i = 0;
825 do {
826
827 b_size = block_sizes;
828 do {
829
830 if ((*keysize + *b_size) > TVMEMSIZE) {
831 printk("template (%u) too big for tvmem (%u)\n",
832 *keysize + *b_size, TVMEMSIZE);
833 goto out;
834 }
835
836 printk("test %u (%d bit key, %d byte blocks): ", i,
837 *keysize * 8, *b_size);
838
839 memset(tvmem, 0xff, *keysize + *b_size);
840
841 /* set key, plain text and IV */
842 key = (unsigned char *)tvmem;
843 for (j = 0; j < tcount; j++) {
844 if (template[j].klen == *keysize) {
845 key = template[j].key;
846 break;
847 }
848 }
849 p = (unsigned char *)tvmem + *keysize;
850
851 ret = crypto_blkcipher_setkey(tfm, key, *keysize);
852 if (ret) {
853 printk("setkey() failed flags=%x\n",
854 crypto_blkcipher_get_flags(tfm));
855 goto out;
856 }
857
858 iv_len = crypto_blkcipher_ivsize(tfm);
859 if (iv_len) {
860 memset(&iv, 0xff, iv_len);
861 crypto_blkcipher_set_iv(tfm, iv, iv_len);
862 }
863
864 if (sec)
865 ret = test_cipher_jiffies(&desc, enc, p, *b_size, sec);
866 else
867 ret = test_cipher_cycles(&desc, enc, p, *b_size);
868
869 if (ret) {
870 printk("%s() failed flags=%x\n", e, desc.flags);
871 break;
872 }
873 b_size++;
874 i++;
875 } while (*b_size);
876 keysize++;
877 } while (*keysize);
878
879 out:
880 crypto_free_blkcipher(tfm);
881 }
882
883 static int test_hash_jiffies_digest(struct hash_desc *desc, char *p, int blen,
884 char *out, int sec)
885 {
886 struct scatterlist sg[1];
887 unsigned long start, end;
888 int bcount;
889 int ret;
890
891 sg_init_table(sg, 1);
892
893 for (start = jiffies, end = start + sec * HZ, bcount = 0;
894 time_before(jiffies, end); bcount++) {
895 sg_set_buf(sg, p, blen);
896 ret = crypto_hash_digest(desc, sg, blen, out);
897 if (ret)
898 return ret;
899 }
900
901 printk("%6u opers/sec, %9lu bytes/sec\n",
902 bcount / sec, ((long)bcount * blen) / sec);
903
904 return 0;
905 }
906
907 static int test_hash_jiffies(struct hash_desc *desc, char *p, int blen,
908 int plen, char *out, int sec)
909 {
910 struct scatterlist sg[1];
911 unsigned long start, end;
912 int bcount, pcount;
913 int ret;
914
915 if (plen == blen)
916 return test_hash_jiffies_digest(desc, p, blen, out, sec);
917
918 sg_init_table(sg, 1);
919
920 for (start = jiffies, end = start + sec * HZ, bcount = 0;
921 time_before(jiffies, end); bcount++) {
922 ret = crypto_hash_init(desc);
923 if (ret)
924 return ret;
925 for (pcount = 0; pcount < blen; pcount += plen) {
926 sg_set_buf(sg, p + pcount, plen);
927 ret = crypto_hash_update(desc, sg, plen);
928 if (ret)
929 return ret;
930 }
931 /* we assume there is enough space in 'out' for the result */
932 ret = crypto_hash_final(desc, out);
933 if (ret)
934 return ret;
935 }
936
937 printk("%6u opers/sec, %9lu bytes/sec\n",
938 bcount / sec, ((long)bcount * blen) / sec);
939
940 return 0;
941 }
942
943 static int test_hash_cycles_digest(struct hash_desc *desc, char *p, int blen,
944 char *out)
945 {
946 struct scatterlist sg[1];
947 unsigned long cycles = 0;
948 int i;
949 int ret;
950
951 sg_init_table(sg, 1);
952
953 local_bh_disable();
954 local_irq_disable();
955
956 /* Warm-up run. */
957 for (i = 0; i < 4; i++) {
958 sg_set_buf(sg, p, blen);
959 ret = crypto_hash_digest(desc, sg, blen, out);
960 if (ret)
961 goto out;
962 }
963
964 /* The real thing. */
965 for (i = 0; i < 8; i++) {
966 cycles_t start, end;
967
968 start = get_cycles();
969
970 sg_set_buf(sg, p, blen);
971 ret = crypto_hash_digest(desc, sg, blen, out);
972 if (ret)
973 goto out;
974
975 end = get_cycles();
976
977 cycles += end - start;
978 }
979
980 out:
981 local_irq_enable();
982 local_bh_enable();
983
984 if (ret)
985 return ret;
986
987 printk("%6lu cycles/operation, %4lu cycles/byte\n",
988 cycles / 8, cycles / (8 * blen));
989
990 return 0;
991 }
992
993 static int test_hash_cycles(struct hash_desc *desc, char *p, int blen,
994 int plen, char *out)
995 {
996 struct scatterlist sg[1];
997 unsigned long cycles = 0;
998 int i, pcount;
999 int ret;
1000
1001 if (plen == blen)
1002 return test_hash_cycles_digest(desc, p, blen, out);
1003
1004 sg_init_table(sg, 1);
1005
1006 local_bh_disable();
1007 local_irq_disable();
1008
1009 /* Warm-up run. */
1010 for (i = 0; i < 4; i++) {
1011 ret = crypto_hash_init(desc);
1012 if (ret)
1013 goto out;
1014 for (pcount = 0; pcount < blen; pcount += plen) {
1015 sg_set_buf(sg, p + pcount, plen);
1016 ret = crypto_hash_update(desc, sg, plen);
1017 if (ret)
1018 goto out;
1019 }
1020 ret = crypto_hash_final(desc, out);
1021 if (ret)
1022 goto out;
1023 }
1024
1025 /* The real thing. */
1026 for (i = 0; i < 8; i++) {
1027 cycles_t start, end;
1028
1029 start = get_cycles();
1030
1031 ret = crypto_hash_init(desc);
1032 if (ret)
1033 goto out;
1034 for (pcount = 0; pcount < blen; pcount += plen) {
1035 sg_set_buf(sg, p + pcount, plen);
1036 ret = crypto_hash_update(desc, sg, plen);
1037 if (ret)
1038 goto out;
1039 }
1040 ret = crypto_hash_final(desc, out);
1041 if (ret)
1042 goto out;
1043
1044 end = get_cycles();
1045
1046 cycles += end - start;
1047 }
1048
1049 out:
1050 local_irq_enable();
1051 local_bh_enable();
1052
1053 if (ret)
1054 return ret;
1055
1056 printk("%6lu cycles/operation, %4lu cycles/byte\n",
1057 cycles / 8, cycles / (8 * blen));
1058
1059 return 0;
1060 }
1061
1062 static void test_hash_speed(char *algo, unsigned int sec,
1063 struct hash_speed *speed)
1064 {
1065 struct crypto_hash *tfm;
1066 struct hash_desc desc;
1067 char output[1024];
1068 int i;
1069 int ret;
1070
1071 printk("\ntesting speed of %s\n", algo);
1072
1073 tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
1074
1075 if (IS_ERR(tfm)) {
1076 printk("failed to load transform for %s: %ld\n", algo,
1077 PTR_ERR(tfm));
1078 return;
1079 }
1080
1081 desc.tfm = tfm;
1082 desc.flags = 0;
1083
1084 if (crypto_hash_digestsize(tfm) > sizeof(output)) {
1085 printk("digestsize(%u) > outputbuffer(%zu)\n",
1086 crypto_hash_digestsize(tfm), sizeof(output));
1087 goto out;
1088 }
1089
1090 for (i = 0; speed[i].blen != 0; i++) {
1091 if (speed[i].blen > TVMEMSIZE) {
1092 printk("template (%u) too big for tvmem (%u)\n",
1093 speed[i].blen, TVMEMSIZE);
1094 goto out;
1095 }
1096
1097 printk("test%3u (%5u byte blocks,%5u bytes per update,%4u updates): ",
1098 i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
1099
1100 memset(tvmem, 0xff, speed[i].blen);
1101
1102 if (sec)
1103 ret = test_hash_jiffies(&desc, tvmem, speed[i].blen,
1104 speed[i].plen, output, sec);
1105 else
1106 ret = test_hash_cycles(&desc, tvmem, speed[i].blen,
1107 speed[i].plen, output);
1108
1109 if (ret) {
1110 printk("hashing failed ret=%d\n", ret);
1111 break;
1112 }
1113 }
1114
1115 out:
1116 crypto_free_hash(tfm);
1117 }
1118
1119 static void test_comp(char *algo, struct comp_testvec *ctemplate,
1120 struct comp_testvec *dtemplate, int ctcount, int dtcount)
1121 {
1122 unsigned int i;
1123 char result[COMP_BUF_SIZE];
1124 struct crypto_comp *tfm;
1125 unsigned int tsize;
1126
1127 printk("\ntesting %s compression\n", algo);
1128
1129 tfm = crypto_alloc_comp(algo, 0, CRYPTO_ALG_ASYNC);
1130 if (IS_ERR(tfm)) {
1131 printk("failed to load transform for %s\n", algo);
1132 return;
1133 }
1134
1135 for (i = 0; i < ctcount; i++) {
1136 int ilen, ret, dlen = COMP_BUF_SIZE;
1137
1138 printk("test %u:\n", i + 1);
1139 memset(result, 0, sizeof (result));
1140
1141 ilen = ctemplate[i].inlen;
1142 ret = crypto_comp_compress(tfm, ctemplate[i].input,
1143 ilen, result, &dlen);
1144 if (ret) {
1145 printk("fail: ret=%d\n", ret);
1146 continue;
1147 }
1148 hexdump(result, dlen);
1149 printk("%s (ratio %d:%d)\n",
1150 memcmp(result, ctemplate[i].output, dlen) ? "fail" : "pass",
1151 ilen, dlen);
1152 }
1153
1154 printk("\ntesting %s decompression\n", algo);
1155
1156 tsize = sizeof(struct comp_testvec);
1157 tsize *= dtcount;
1158 if (tsize > TVMEMSIZE) {
1159 printk("template (%u) too big for tvmem (%u)\n", tsize,
1160 TVMEMSIZE);
1161 goto out;
1162 }
1163
1164 for (i = 0; i < dtcount; i++) {
1165 int ilen, ret, dlen = COMP_BUF_SIZE;
1166
1167 printk("test %u:\n", i + 1);
1168 memset(result, 0, sizeof (result));
1169
1170 ilen = dtemplate[i].inlen;
1171 ret = crypto_comp_decompress(tfm, dtemplate[i].input,
1172 ilen, result, &dlen);
1173 if (ret) {
1174 printk("fail: ret=%d\n", ret);
1175 continue;
1176 }
1177 hexdump(result, dlen);
1178 printk("%s (ratio %d:%d)\n",
1179 memcmp(result, dtemplate[i].output, dlen) ? "fail" : "pass",
1180 ilen, dlen);
1181 }
1182 out:
1183 crypto_free_comp(tfm);
1184 }
1185
1186 static void test_available(void)
1187 {
1188 char **name = check;
1189
1190 while (*name) {
1191 printk("alg %s ", *name);
1192 printk(crypto_has_alg(*name, 0, 0) ?
1193 "found\n" : "not found\n");
1194 name++;
1195 }
1196 }
1197
1198 static void do_test(void)
1199 {
1200 switch (mode) {
1201
1202 case 0:
1203 test_hash("md5", md5_tv_template, MD5_TEST_VECTORS);
1204
1205 test_hash("sha1", sha1_tv_template, SHA1_TEST_VECTORS);
1206
1207 //DES
1208 test_cipher("ecb(des)", ENCRYPT, des_enc_tv_template,
1209 DES_ENC_TEST_VECTORS);
1210 test_cipher("ecb(des)", DECRYPT, des_dec_tv_template,
1211 DES_DEC_TEST_VECTORS);
1212 test_cipher("cbc(des)", ENCRYPT, des_cbc_enc_tv_template,
1213 DES_CBC_ENC_TEST_VECTORS);
1214 test_cipher("cbc(des)", DECRYPT, des_cbc_dec_tv_template,
1215 DES_CBC_DEC_TEST_VECTORS);
1216
1217 //DES3_EDE
1218 test_cipher("ecb(des3_ede)", ENCRYPT, des3_ede_enc_tv_template,
1219 DES3_EDE_ENC_TEST_VECTORS);
1220 test_cipher("ecb(des3_ede)", DECRYPT, des3_ede_dec_tv_template,
1221 DES3_EDE_DEC_TEST_VECTORS);
1222
1223 test_cipher("cbc(des3_ede)", ENCRYPT,
1224 des3_ede_cbc_enc_tv_template,
1225 DES3_EDE_CBC_ENC_TEST_VECTORS);
1226
1227 test_cipher("cbc(des3_ede)", DECRYPT,
1228 des3_ede_cbc_dec_tv_template,
1229 DES3_EDE_CBC_DEC_TEST_VECTORS);
1230
1231 test_hash("md4", md4_tv_template, MD4_TEST_VECTORS);
1232
1233 test_hash("sha224", sha224_tv_template, SHA224_TEST_VECTORS);
1234
1235 test_hash("sha256", sha256_tv_template, SHA256_TEST_VECTORS);
1236
1237 //BLOWFISH
1238 test_cipher("ecb(blowfish)", ENCRYPT, bf_enc_tv_template,
1239 BF_ENC_TEST_VECTORS);
1240 test_cipher("ecb(blowfish)", DECRYPT, bf_dec_tv_template,
1241 BF_DEC_TEST_VECTORS);
1242 test_cipher("cbc(blowfish)", ENCRYPT, bf_cbc_enc_tv_template,
1243 BF_CBC_ENC_TEST_VECTORS);
1244 test_cipher("cbc(blowfish)", DECRYPT, bf_cbc_dec_tv_template,
1245 BF_CBC_DEC_TEST_VECTORS);
1246
1247 //TWOFISH
1248 test_cipher("ecb(twofish)", ENCRYPT, tf_enc_tv_template,
1249 TF_ENC_TEST_VECTORS);
1250 test_cipher("ecb(twofish)", DECRYPT, tf_dec_tv_template,
1251 TF_DEC_TEST_VECTORS);
1252 test_cipher("cbc(twofish)", ENCRYPT, tf_cbc_enc_tv_template,
1253 TF_CBC_ENC_TEST_VECTORS);
1254 test_cipher("cbc(twofish)", DECRYPT, tf_cbc_dec_tv_template,
1255 TF_CBC_DEC_TEST_VECTORS);
1256
1257 //SERPENT
1258 test_cipher("ecb(serpent)", ENCRYPT, serpent_enc_tv_template,
1259 SERPENT_ENC_TEST_VECTORS);
1260 test_cipher("ecb(serpent)", DECRYPT, serpent_dec_tv_template,
1261 SERPENT_DEC_TEST_VECTORS);
1262
1263 //TNEPRES
1264 test_cipher("ecb(tnepres)", ENCRYPT, tnepres_enc_tv_template,
1265 TNEPRES_ENC_TEST_VECTORS);
1266 test_cipher("ecb(tnepres)", DECRYPT, tnepres_dec_tv_template,
1267 TNEPRES_DEC_TEST_VECTORS);
1268
1269 //AES
1270 test_cipher("ecb(aes)", ENCRYPT, aes_enc_tv_template,
1271 AES_ENC_TEST_VECTORS);
1272 test_cipher("ecb(aes)", DECRYPT, aes_dec_tv_template,
1273 AES_DEC_TEST_VECTORS);
1274 test_cipher("cbc(aes)", ENCRYPT, aes_cbc_enc_tv_template,
1275 AES_CBC_ENC_TEST_VECTORS);
1276 test_cipher("cbc(aes)", DECRYPT, aes_cbc_dec_tv_template,
1277 AES_CBC_DEC_TEST_VECTORS);
1278 test_cipher("lrw(aes)", ENCRYPT, aes_lrw_enc_tv_template,
1279 AES_LRW_ENC_TEST_VECTORS);
1280 test_cipher("lrw(aes)", DECRYPT, aes_lrw_dec_tv_template,
1281 AES_LRW_DEC_TEST_VECTORS);
1282 test_cipher("xts(aes)", ENCRYPT, aes_xts_enc_tv_template,
1283 AES_XTS_ENC_TEST_VECTORS);
1284 test_cipher("xts(aes)", DECRYPT, aes_xts_dec_tv_template,
1285 AES_XTS_DEC_TEST_VECTORS);
1286 test_cipher("rfc3686(ctr(aes))", ENCRYPT, aes_ctr_enc_tv_template,
1287 AES_CTR_ENC_TEST_VECTORS);
1288 test_cipher("rfc3686(ctr(aes))", DECRYPT, aes_ctr_dec_tv_template,
1289 AES_CTR_DEC_TEST_VECTORS);
1290 test_aead("gcm(aes)", ENCRYPT, aes_gcm_enc_tv_template,
1291 AES_GCM_ENC_TEST_VECTORS);
1292 test_aead("gcm(aes)", DECRYPT, aes_gcm_dec_tv_template,
1293 AES_GCM_DEC_TEST_VECTORS);
1294 test_aead("ccm(aes)", ENCRYPT, aes_ccm_enc_tv_template,
1295 AES_CCM_ENC_TEST_VECTORS);
1296 test_aead("ccm(aes)", DECRYPT, aes_ccm_dec_tv_template,
1297 AES_CCM_DEC_TEST_VECTORS);
1298
1299 //CAST5
1300 test_cipher("ecb(cast5)", ENCRYPT, cast5_enc_tv_template,
1301 CAST5_ENC_TEST_VECTORS);
1302 test_cipher("ecb(cast5)", DECRYPT, cast5_dec_tv_template,
1303 CAST5_DEC_TEST_VECTORS);
1304
1305 //CAST6
1306 test_cipher("ecb(cast6)", ENCRYPT, cast6_enc_tv_template,
1307 CAST6_ENC_TEST_VECTORS);
1308 test_cipher("ecb(cast6)", DECRYPT, cast6_dec_tv_template,
1309 CAST6_DEC_TEST_VECTORS);
1310
1311 //ARC4
1312 test_cipher("ecb(arc4)", ENCRYPT, arc4_enc_tv_template,
1313 ARC4_ENC_TEST_VECTORS);
1314 test_cipher("ecb(arc4)", DECRYPT, arc4_dec_tv_template,
1315 ARC4_DEC_TEST_VECTORS);
1316
1317 //TEA
1318 test_cipher("ecb(tea)", ENCRYPT, tea_enc_tv_template,
1319 TEA_ENC_TEST_VECTORS);
1320 test_cipher("ecb(tea)", DECRYPT, tea_dec_tv_template,
1321 TEA_DEC_TEST_VECTORS);
1322
1323
1324 //XTEA
1325 test_cipher("ecb(xtea)", ENCRYPT, xtea_enc_tv_template,
1326 XTEA_ENC_TEST_VECTORS);
1327 test_cipher("ecb(xtea)", DECRYPT, xtea_dec_tv_template,
1328 XTEA_DEC_TEST_VECTORS);
1329
1330 //KHAZAD
1331 test_cipher("ecb(khazad)", ENCRYPT, khazad_enc_tv_template,
1332 KHAZAD_ENC_TEST_VECTORS);
1333 test_cipher("ecb(khazad)", DECRYPT, khazad_dec_tv_template,
1334 KHAZAD_DEC_TEST_VECTORS);
1335
1336 //ANUBIS
1337 test_cipher("ecb(anubis)", ENCRYPT, anubis_enc_tv_template,
1338 ANUBIS_ENC_TEST_VECTORS);
1339 test_cipher("ecb(anubis)", DECRYPT, anubis_dec_tv_template,
1340 ANUBIS_DEC_TEST_VECTORS);
1341 test_cipher("cbc(anubis)", ENCRYPT, anubis_cbc_enc_tv_template,
1342 ANUBIS_CBC_ENC_TEST_VECTORS);
1343 test_cipher("cbc(anubis)", DECRYPT, anubis_cbc_dec_tv_template,
1344 ANUBIS_CBC_ENC_TEST_VECTORS);
1345
1346 //XETA
1347 test_cipher("ecb(xeta)", ENCRYPT, xeta_enc_tv_template,
1348 XETA_ENC_TEST_VECTORS);
1349 test_cipher("ecb(xeta)", DECRYPT, xeta_dec_tv_template,
1350 XETA_DEC_TEST_VECTORS);
1351
1352 //FCrypt
1353 test_cipher("pcbc(fcrypt)", ENCRYPT, fcrypt_pcbc_enc_tv_template,
1354 FCRYPT_ENC_TEST_VECTORS);
1355 test_cipher("pcbc(fcrypt)", DECRYPT, fcrypt_pcbc_dec_tv_template,
1356 FCRYPT_DEC_TEST_VECTORS);
1357
1358 //CAMELLIA
1359 test_cipher("ecb(camellia)", ENCRYPT,
1360 camellia_enc_tv_template,
1361 CAMELLIA_ENC_TEST_VECTORS);
1362 test_cipher("ecb(camellia)", DECRYPT,
1363 camellia_dec_tv_template,
1364 CAMELLIA_DEC_TEST_VECTORS);
1365 test_cipher("cbc(camellia)", ENCRYPT,
1366 camellia_cbc_enc_tv_template,
1367 CAMELLIA_CBC_ENC_TEST_VECTORS);
1368 test_cipher("cbc(camellia)", DECRYPT,
1369 camellia_cbc_dec_tv_template,
1370 CAMELLIA_CBC_DEC_TEST_VECTORS);
1371
1372 //SEED
1373 test_cipher("ecb(seed)", ENCRYPT, seed_enc_tv_template,
1374 SEED_ENC_TEST_VECTORS);
1375 test_cipher("ecb(seed)", DECRYPT, seed_dec_tv_template,
1376 SEED_DEC_TEST_VECTORS);
1377
1378 //CTS
1379 test_cipher("cts(cbc(aes))", ENCRYPT, cts_mode_enc_tv_template,
1380 CTS_MODE_ENC_TEST_VECTORS);
1381 test_cipher("cts(cbc(aes))", DECRYPT, cts_mode_dec_tv_template,
1382 CTS_MODE_DEC_TEST_VECTORS);
1383
1384 test_hash("sha384", sha384_tv_template, SHA384_TEST_VECTORS);
1385 test_hash("sha512", sha512_tv_template, SHA512_TEST_VECTORS);
1386 test_hash("wp512", wp512_tv_template, WP512_TEST_VECTORS);
1387 test_hash("wp384", wp384_tv_template, WP384_TEST_VECTORS);
1388 test_hash("wp256", wp256_tv_template, WP256_TEST_VECTORS);
1389 test_hash("tgr192", tgr192_tv_template, TGR192_TEST_VECTORS);
1390 test_hash("tgr160", tgr160_tv_template, TGR160_TEST_VECTORS);
1391 test_hash("tgr128", tgr128_tv_template, TGR128_TEST_VECTORS);
1392 test_comp("deflate", deflate_comp_tv_template,
1393 deflate_decomp_tv_template, DEFLATE_COMP_TEST_VECTORS,
1394 DEFLATE_DECOMP_TEST_VECTORS);
1395 test_comp("lzo", lzo_comp_tv_template, lzo_decomp_tv_template,
1396 LZO_COMP_TEST_VECTORS, LZO_DECOMP_TEST_VECTORS);
1397 test_hash("crc32c", crc32c_tv_template, CRC32C_TEST_VECTORS);
1398 test_hash("hmac(md5)", hmac_md5_tv_template,
1399 HMAC_MD5_TEST_VECTORS);
1400 test_hash("hmac(sha1)", hmac_sha1_tv_template,
1401 HMAC_SHA1_TEST_VECTORS);
1402 test_hash("hmac(sha224)", hmac_sha224_tv_template,
1403 HMAC_SHA224_TEST_VECTORS);
1404 test_hash("hmac(sha256)", hmac_sha256_tv_template,
1405 HMAC_SHA256_TEST_VECTORS);
1406 test_hash("hmac(sha384)", hmac_sha384_tv_template,
1407 HMAC_SHA384_TEST_VECTORS);
1408 test_hash("hmac(sha512)", hmac_sha512_tv_template,
1409 HMAC_SHA512_TEST_VECTORS);
1410
1411 test_hash("xcbc(aes)", aes_xcbc128_tv_template,
1412 XCBC_AES_TEST_VECTORS);
1413
1414 test_hash("michael_mic", michael_mic_tv_template, MICHAEL_MIC_TEST_VECTORS);
1415 break;
1416
1417 case 1:
1418 test_hash("md5", md5_tv_template, MD5_TEST_VECTORS);
1419 break;
1420
1421 case 2:
1422 test_hash("sha1", sha1_tv_template, SHA1_TEST_VECTORS);
1423 break;
1424
1425 case 3:
1426 test_cipher("ecb(des)", ENCRYPT, des_enc_tv_template,
1427 DES_ENC_TEST_VECTORS);
1428 test_cipher("ecb(des)", DECRYPT, des_dec_tv_template,
1429 DES_DEC_TEST_VECTORS);
1430 test_cipher("cbc(des)", ENCRYPT, des_cbc_enc_tv_template,
1431 DES_CBC_ENC_TEST_VECTORS);
1432 test_cipher("cbc(des)", DECRYPT, des_cbc_dec_tv_template,
1433 DES_CBC_DEC_TEST_VECTORS);
1434 break;
1435
1436 case 4:
1437 test_cipher("ecb(des3_ede)", ENCRYPT, des3_ede_enc_tv_template,
1438 DES3_EDE_ENC_TEST_VECTORS);
1439 test_cipher("ecb(des3_ede)", DECRYPT, des3_ede_dec_tv_template,
1440 DES3_EDE_DEC_TEST_VECTORS);
1441
1442 test_cipher("cbc(des3_ede)", ENCRYPT,
1443 des3_ede_cbc_enc_tv_template,
1444 DES3_EDE_CBC_ENC_TEST_VECTORS);
1445
1446 test_cipher("cbc(des3_ede)", DECRYPT,
1447 des3_ede_cbc_dec_tv_template,
1448 DES3_EDE_CBC_DEC_TEST_VECTORS);
1449 break;
1450
1451 case 5:
1452 test_hash("md4", md4_tv_template, MD4_TEST_VECTORS);
1453 break;
1454
1455 case 6:
1456 test_hash("sha256", sha256_tv_template, SHA256_TEST_VECTORS);
1457 break;
1458
1459 case 7:
1460 test_cipher("ecb(blowfish)", ENCRYPT, bf_enc_tv_template,
1461 BF_ENC_TEST_VECTORS);
1462 test_cipher("ecb(blowfish)", DECRYPT, bf_dec_tv_template,
1463 BF_DEC_TEST_VECTORS);
1464 test_cipher("cbc(blowfish)", ENCRYPT, bf_cbc_enc_tv_template,
1465 BF_CBC_ENC_TEST_VECTORS);
1466 test_cipher("cbc(blowfish)", DECRYPT, bf_cbc_dec_tv_template,
1467 BF_CBC_DEC_TEST_VECTORS);
1468 break;
1469
1470 case 8:
1471 test_cipher("ecb(twofish)", ENCRYPT, tf_enc_tv_template,
1472 TF_ENC_TEST_VECTORS);
1473 test_cipher("ecb(twofish)", DECRYPT, tf_dec_tv_template,
1474 TF_DEC_TEST_VECTORS);
1475 test_cipher("cbc(twofish)", ENCRYPT, tf_cbc_enc_tv_template,
1476 TF_CBC_ENC_TEST_VECTORS);
1477 test_cipher("cbc(twofish)", DECRYPT, tf_cbc_dec_tv_template,
1478 TF_CBC_DEC_TEST_VECTORS);
1479 break;
1480
1481 case 9:
1482 test_cipher("ecb(serpent)", ENCRYPT, serpent_enc_tv_template,
1483 SERPENT_ENC_TEST_VECTORS);
1484 test_cipher("ecb(serpent)", DECRYPT, serpent_dec_tv_template,
1485 SERPENT_DEC_TEST_VECTORS);
1486 break;
1487
1488 case 10:
1489 test_cipher("ecb(aes)", ENCRYPT, aes_enc_tv_template,
1490 AES_ENC_TEST_VECTORS);
1491 test_cipher("ecb(aes)", DECRYPT, aes_dec_tv_template,
1492 AES_DEC_TEST_VECTORS);
1493 test_cipher("cbc(aes)", ENCRYPT, aes_cbc_enc_tv_template,
1494 AES_CBC_ENC_TEST_VECTORS);
1495 test_cipher("cbc(aes)", DECRYPT, aes_cbc_dec_tv_template,
1496 AES_CBC_DEC_TEST_VECTORS);
1497 test_cipher("lrw(aes)", ENCRYPT, aes_lrw_enc_tv_template,
1498 AES_LRW_ENC_TEST_VECTORS);
1499 test_cipher("lrw(aes)", DECRYPT, aes_lrw_dec_tv_template,
1500 AES_LRW_DEC_TEST_VECTORS);
1501 test_cipher("xts(aes)", ENCRYPT, aes_xts_enc_tv_template,
1502 AES_XTS_ENC_TEST_VECTORS);
1503 test_cipher("xts(aes)", DECRYPT, aes_xts_dec_tv_template,
1504 AES_XTS_DEC_TEST_VECTORS);
1505 test_cipher("rfc3686(ctr(aes))", ENCRYPT, aes_ctr_enc_tv_template,
1506 AES_CTR_ENC_TEST_VECTORS);
1507 test_cipher("rfc3686(ctr(aes))", DECRYPT, aes_ctr_dec_tv_template,
1508 AES_CTR_DEC_TEST_VECTORS);
1509 break;
1510
1511 case 11:
1512 test_hash("sha384", sha384_tv_template, SHA384_TEST_VECTORS);
1513 break;
1514
1515 case 12:
1516 test_hash("sha512", sha512_tv_template, SHA512_TEST_VECTORS);
1517 break;
1518
1519 case 13:
1520 test_comp("deflate", deflate_comp_tv_template,
1521 deflate_decomp_tv_template, DEFLATE_COMP_TEST_VECTORS,
1522 DEFLATE_DECOMP_TEST_VECTORS);
1523 break;
1524
1525 case 14:
1526 test_cipher("ecb(cast5)", ENCRYPT, cast5_enc_tv_template,
1527 CAST5_ENC_TEST_VECTORS);
1528 test_cipher("ecb(cast5)", DECRYPT, cast5_dec_tv_template,
1529 CAST5_DEC_TEST_VECTORS);
1530 break;
1531
1532 case 15:
1533 test_cipher("ecb(cast6)", ENCRYPT, cast6_enc_tv_template,
1534 CAST6_ENC_TEST_VECTORS);
1535 test_cipher("ecb(cast6)", DECRYPT, cast6_dec_tv_template,
1536 CAST6_DEC_TEST_VECTORS);
1537 break;
1538
1539 case 16:
1540 test_cipher("ecb(arc4)", ENCRYPT, arc4_enc_tv_template,
1541 ARC4_ENC_TEST_VECTORS);
1542 test_cipher("ecb(arc4)", DECRYPT, arc4_dec_tv_template,
1543 ARC4_DEC_TEST_VECTORS);
1544 break;
1545
1546 case 17:
1547 test_hash("michael_mic", michael_mic_tv_template, MICHAEL_MIC_TEST_VECTORS);
1548 break;
1549
1550 case 18:
1551 test_hash("crc32c", crc32c_tv_template, CRC32C_TEST_VECTORS);
1552 break;
1553
1554 case 19:
1555 test_cipher("ecb(tea)", ENCRYPT, tea_enc_tv_template,
1556 TEA_ENC_TEST_VECTORS);
1557 test_cipher("ecb(tea)", DECRYPT, tea_dec_tv_template,
1558 TEA_DEC_TEST_VECTORS);
1559 break;
1560
1561 case 20:
1562 test_cipher("ecb(xtea)", ENCRYPT, xtea_enc_tv_template,
1563 XTEA_ENC_TEST_VECTORS);
1564 test_cipher("ecb(xtea)", DECRYPT, xtea_dec_tv_template,
1565 XTEA_DEC_TEST_VECTORS);
1566 break;
1567
1568 case 21:
1569 test_cipher("ecb(khazad)", ENCRYPT, khazad_enc_tv_template,
1570 KHAZAD_ENC_TEST_VECTORS);
1571 test_cipher("ecb(khazad)", DECRYPT, khazad_dec_tv_template,
1572 KHAZAD_DEC_TEST_VECTORS);
1573 break;
1574
1575 case 22:
1576 test_hash("wp512", wp512_tv_template, WP512_TEST_VECTORS);
1577 break;
1578
1579 case 23:
1580 test_hash("wp384", wp384_tv_template, WP384_TEST_VECTORS);
1581 break;
1582
1583 case 24:
1584 test_hash("wp256", wp256_tv_template, WP256_TEST_VECTORS);
1585 break;
1586
1587 case 25:
1588 test_cipher("ecb(tnepres)", ENCRYPT, tnepres_enc_tv_template,
1589 TNEPRES_ENC_TEST_VECTORS);
1590 test_cipher("ecb(tnepres)", DECRYPT, tnepres_dec_tv_template,
1591 TNEPRES_DEC_TEST_VECTORS);
1592 break;
1593
1594 case 26:
1595 test_cipher("ecb(anubis)", ENCRYPT, anubis_enc_tv_template,
1596 ANUBIS_ENC_TEST_VECTORS);
1597 test_cipher("ecb(anubis)", DECRYPT, anubis_dec_tv_template,
1598 ANUBIS_DEC_TEST_VECTORS);
1599 test_cipher("cbc(anubis)", ENCRYPT, anubis_cbc_enc_tv_template,
1600 ANUBIS_CBC_ENC_TEST_VECTORS);
1601 test_cipher("cbc(anubis)", DECRYPT, anubis_cbc_dec_tv_template,
1602 ANUBIS_CBC_ENC_TEST_VECTORS);
1603 break;
1604
1605 case 27:
1606 test_hash("tgr192", tgr192_tv_template, TGR192_TEST_VECTORS);
1607 break;
1608
1609 case 28:
1610
1611 test_hash("tgr160", tgr160_tv_template, TGR160_TEST_VECTORS);
1612 break;
1613
1614 case 29:
1615 test_hash("tgr128", tgr128_tv_template, TGR128_TEST_VECTORS);
1616 break;
1617
1618 case 30:
1619 test_cipher("ecb(xeta)", ENCRYPT, xeta_enc_tv_template,
1620 XETA_ENC_TEST_VECTORS);
1621 test_cipher("ecb(xeta)", DECRYPT, xeta_dec_tv_template,
1622 XETA_DEC_TEST_VECTORS);
1623 break;
1624
1625 case 31:
1626 test_cipher("pcbc(fcrypt)", ENCRYPT, fcrypt_pcbc_enc_tv_template,
1627 FCRYPT_ENC_TEST_VECTORS);
1628 test_cipher("pcbc(fcrypt)", DECRYPT, fcrypt_pcbc_dec_tv_template,
1629 FCRYPT_DEC_TEST_VECTORS);
1630 break;
1631
1632 case 32:
1633 test_cipher("ecb(camellia)", ENCRYPT,
1634 camellia_enc_tv_template,
1635 CAMELLIA_ENC_TEST_VECTORS);
1636 test_cipher("ecb(camellia)", DECRYPT,
1637 camellia_dec_tv_template,
1638 CAMELLIA_DEC_TEST_VECTORS);
1639 test_cipher("cbc(camellia)", ENCRYPT,
1640 camellia_cbc_enc_tv_template,
1641 CAMELLIA_CBC_ENC_TEST_VECTORS);
1642 test_cipher("cbc(camellia)", DECRYPT,
1643 camellia_cbc_dec_tv_template,
1644 CAMELLIA_CBC_DEC_TEST_VECTORS);
1645 break;
1646 case 33:
1647 test_hash("sha224", sha224_tv_template, SHA224_TEST_VECTORS);
1648 break;
1649
1650 case 34:
1651 test_cipher("salsa20", ENCRYPT,
1652 salsa20_stream_enc_tv_template,
1653 SALSA20_STREAM_ENC_TEST_VECTORS);
1654 break;
1655
1656 case 35:
1657 test_aead("gcm(aes)", ENCRYPT, aes_gcm_enc_tv_template,
1658 AES_GCM_ENC_TEST_VECTORS);
1659 test_aead("gcm(aes)", DECRYPT, aes_gcm_dec_tv_template,
1660 AES_GCM_DEC_TEST_VECTORS);
1661 break;
1662
1663 case 36:
1664 test_comp("lzo", lzo_comp_tv_template, lzo_decomp_tv_template,
1665 LZO_COMP_TEST_VECTORS, LZO_DECOMP_TEST_VECTORS);
1666 break;
1667
1668 case 37:
1669 test_aead("ccm(aes)", ENCRYPT, aes_ccm_enc_tv_template,
1670 AES_CCM_ENC_TEST_VECTORS);
1671 test_aead("ccm(aes)", DECRYPT, aes_ccm_dec_tv_template,
1672 AES_CCM_DEC_TEST_VECTORS);
1673 break;
1674
1675 case 38:
1676 test_cipher("cts(cbc(aes))", ENCRYPT, cts_mode_enc_tv_template,
1677 CTS_MODE_ENC_TEST_VECTORS);
1678 test_cipher("cts(cbc(aes))", DECRYPT, cts_mode_dec_tv_template,
1679 CTS_MODE_DEC_TEST_VECTORS);
1680 break;
1681
1682 case 39:
1683 test_hash("rmd128", rmd128_tv_template, RMD128_TEST_VECTORS);
1684 break;
1685
1686 case 40:
1687 test_hash("rmd160", rmd160_tv_template, RMD160_TEST_VECTORS);
1688 break;
1689
1690 case 41:
1691 test_hash("rmd256", rmd256_tv_template, RMD256_TEST_VECTORS);
1692 break;
1693
1694 case 42:
1695 test_hash("rmd320", rmd320_tv_template, RMD320_TEST_VECTORS);
1696 break;
1697
1698 case 100:
1699 test_hash("hmac(md5)", hmac_md5_tv_template,
1700 HMAC_MD5_TEST_VECTORS);
1701 break;
1702
1703 case 101:
1704 test_hash("hmac(sha1)", hmac_sha1_tv_template,
1705 HMAC_SHA1_TEST_VECTORS);
1706 break;
1707
1708 case 102:
1709 test_hash("hmac(sha256)", hmac_sha256_tv_template,
1710 HMAC_SHA256_TEST_VECTORS);
1711 break;
1712
1713 case 103:
1714 test_hash("hmac(sha384)", hmac_sha384_tv_template,
1715 HMAC_SHA384_TEST_VECTORS);
1716 break;
1717
1718 case 104:
1719 test_hash("hmac(sha512)", hmac_sha512_tv_template,
1720 HMAC_SHA512_TEST_VECTORS);
1721 break;
1722
1723 case 105:
1724 test_hash("hmac(sha224)", hmac_sha224_tv_template,
1725 HMAC_SHA224_TEST_VECTORS);
1726 break;
1727
1728 case 106:
1729 test_hash("xcbc(aes)", aes_xcbc128_tv_template,
1730 XCBC_AES_TEST_VECTORS);
1731 break;
1732
1733 case 107:
1734 test_hash("hmac(rmd128)", hmac_rmd128_tv_template,
1735 HMAC_RMD128_TEST_VECTORS);
1736 break;
1737
1738 case 108:
1739 test_hash("hmac(rmd160)", hmac_rmd160_tv_template,
1740 HMAC_RMD160_TEST_VECTORS);
1741 break;
1742
1743 case 200:
1744 test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0,
1745 speed_template_16_24_32);
1746 test_cipher_speed("ecb(aes)", DECRYPT, sec, NULL, 0,
1747 speed_template_16_24_32);
1748 test_cipher_speed("cbc(aes)", ENCRYPT, sec, NULL, 0,
1749 speed_template_16_24_32);
1750 test_cipher_speed("cbc(aes)", DECRYPT, sec, NULL, 0,
1751 speed_template_16_24_32);
1752 test_cipher_speed("lrw(aes)", ENCRYPT, sec, NULL, 0,
1753 speed_template_32_40_48);
1754 test_cipher_speed("lrw(aes)", DECRYPT, sec, NULL, 0,
1755 speed_template_32_40_48);
1756 test_cipher_speed("xts(aes)", ENCRYPT, sec, NULL, 0,
1757 speed_template_32_48_64);
1758 test_cipher_speed("xts(aes)", DECRYPT, sec, NULL, 0,
1759 speed_template_32_48_64);
1760 break;
1761
1762 case 201:
1763 test_cipher_speed("ecb(des3_ede)", ENCRYPT, sec,
1764 des3_ede_enc_tv_template, DES3_EDE_ENC_TEST_VECTORS,
1765 speed_template_24);
1766 test_cipher_speed("ecb(des3_ede)", DECRYPT, sec,
1767 des3_ede_enc_tv_template, DES3_EDE_ENC_TEST_VECTORS,
1768 speed_template_24);
1769 test_cipher_speed("cbc(des3_ede)", ENCRYPT, sec,
1770 des3_ede_enc_tv_template, DES3_EDE_ENC_TEST_VECTORS,
1771 speed_template_24);
1772 test_cipher_speed("cbc(des3_ede)", DECRYPT, sec,
1773 des3_ede_enc_tv_template, DES3_EDE_ENC_TEST_VECTORS,
1774 speed_template_24);
1775 break;
1776
1777 case 202:
1778 test_cipher_speed("ecb(twofish)", ENCRYPT, sec, NULL, 0,
1779 speed_template_16_24_32);
1780 test_cipher_speed("ecb(twofish)", DECRYPT, sec, NULL, 0,
1781 speed_template_16_24_32);
1782 test_cipher_speed("cbc(twofish)", ENCRYPT, sec, NULL, 0,
1783 speed_template_16_24_32);
1784 test_cipher_speed("cbc(twofish)", DECRYPT, sec, NULL, 0,
1785 speed_template_16_24_32);
1786 break;
1787
1788 case 203:
1789 test_cipher_speed("ecb(blowfish)", ENCRYPT, sec, NULL, 0,
1790 speed_template_8_32);
1791 test_cipher_speed("ecb(blowfish)", DECRYPT, sec, NULL, 0,
1792 speed_template_8_32);
1793 test_cipher_speed("cbc(blowfish)", ENCRYPT, sec, NULL, 0,
1794 speed_template_8_32);
1795 test_cipher_speed("cbc(blowfish)", DECRYPT, sec, NULL, 0,
1796 speed_template_8_32);
1797 break;
1798
1799 case 204:
1800 test_cipher_speed("ecb(des)", ENCRYPT, sec, NULL, 0,
1801 speed_template_8);
1802 test_cipher_speed("ecb(des)", DECRYPT, sec, NULL, 0,
1803 speed_template_8);
1804 test_cipher_speed("cbc(des)", ENCRYPT, sec, NULL, 0,
1805 speed_template_8);
1806 test_cipher_speed("cbc(des)", DECRYPT, sec, NULL, 0,
1807 speed_template_8);
1808 break;
1809
1810 case 205:
1811 test_cipher_speed("ecb(camellia)", ENCRYPT, sec, NULL, 0,
1812 speed_template_16_24_32);
1813 test_cipher_speed("ecb(camellia)", DECRYPT, sec, NULL, 0,
1814 speed_template_16_24_32);
1815 test_cipher_speed("cbc(camellia)", ENCRYPT, sec, NULL, 0,
1816 speed_template_16_24_32);
1817 test_cipher_speed("cbc(camellia)", DECRYPT, sec, NULL, 0,
1818 speed_template_16_24_32);
1819 break;
1820
1821 case 206:
1822 test_cipher_speed("salsa20", ENCRYPT, sec, NULL, 0,
1823 speed_template_16_32);
1824 break;
1825
1826 case 300:
1827 /* fall through */
1828
1829 case 301:
1830 test_hash_speed("md4", sec, generic_hash_speed_template);
1831 if (mode > 300 && mode < 400) break;
1832
1833 case 302:
1834 test_hash_speed("md5", sec, generic_hash_speed_template);
1835 if (mode > 300 && mode < 400) break;
1836
1837 case 303:
1838 test_hash_speed("sha1", sec, generic_hash_speed_template);
1839 if (mode > 300 && mode < 400) break;
1840
1841 case 304:
1842 test_hash_speed("sha256", sec, generic_hash_speed_template);
1843 if (mode > 300 && mode < 400) break;
1844
1845 case 305:
1846 test_hash_speed("sha384", sec, generic_hash_speed_template);
1847 if (mode > 300 && mode < 400) break;
1848
1849 case 306:
1850 test_hash_speed("sha512", sec, generic_hash_speed_template);
1851 if (mode > 300 && mode < 400) break;
1852
1853 case 307:
1854 test_hash_speed("wp256", sec, generic_hash_speed_template);
1855 if (mode > 300 && mode < 400) break;
1856
1857 case 308:
1858 test_hash_speed("wp384", sec, generic_hash_speed_template);
1859 if (mode > 300 && mode < 400) break;
1860
1861 case 309:
1862 test_hash_speed("wp512", sec, generic_hash_speed_template);
1863 if (mode > 300 && mode < 400) break;
1864
1865 case 310:
1866 test_hash_speed("tgr128", sec, generic_hash_speed_template);
1867 if (mode > 300 && mode < 400) break;
1868
1869 case 311:
1870 test_hash_speed("tgr160", sec, generic_hash_speed_template);
1871 if (mode > 300 && mode < 400) break;
1872
1873 case 312:
1874 test_hash_speed("tgr192", sec, generic_hash_speed_template);
1875 if (mode > 300 && mode < 400) break;
1876
1877 case 313:
1878 test_hash_speed("sha224", sec, generic_hash_speed_template);
1879 if (mode > 300 && mode < 400) break;
1880
1881 case 314:
1882 test_hash_speed("rmd128", sec, generic_hash_speed_template);
1883 if (mode > 300 && mode < 400) break;
1884
1885 case 315:
1886 test_hash_speed("rmd160", sec, generic_hash_speed_template);
1887 if (mode > 300 && mode < 400) break;
1888
1889 case 316:
1890 test_hash_speed("rmd256", sec, generic_hash_speed_template);
1891 if (mode > 300 && mode < 400) break;
1892
1893 case 317:
1894 test_hash_speed("rmd320", sec, generic_hash_speed_template);
1895 if (mode > 300 && mode < 400) break;
1896
1897 case 399:
1898 break;
1899
1900 case 1000:
1901 test_available();
1902 break;
1903
1904 default:
1905 /* useful for debugging */
1906 printk("not testing anything\n");
1907 break;
1908 }
1909 }
1910
1911 static int __init tcrypt_mod_init(void)
1912 {
1913 int err = -ENOMEM;
1914
1915 tvmem = kmalloc(TVMEMSIZE, GFP_KERNEL);
1916 if (tvmem == NULL)
1917 return err;
1918
1919 xbuf = kmalloc(XBUFSIZE, GFP_KERNEL);
1920 if (xbuf == NULL)
1921 goto err_free_tv;
1922
1923 axbuf = kmalloc(XBUFSIZE, GFP_KERNEL);
1924 if (axbuf == NULL)
1925 goto err_free_xbuf;
1926
1927 do_test();
1928
1929 /* We intentionaly return -EAGAIN to prevent keeping
1930 * the module. It does all its work from init()
1931 * and doesn't offer any runtime functionality
1932 * => we don't need it in the memory, do we?
1933 * -- mludvig
1934 */
1935 err = -EAGAIN;
1936
1937 kfree(axbuf);
1938 err_free_xbuf:
1939 kfree(xbuf);
1940 err_free_tv:
1941 kfree(tvmem);
1942
1943 return err;
1944 }
1945
1946 /*
1947 * If an init function is provided, an exit function must also be provided
1948 * to allow module unload.
1949 */
1950 static void __exit tcrypt_mod_fini(void) { }
1951
1952 module_init(tcrypt_mod_init);
1953 module_exit(tcrypt_mod_fini);
1954
1955 module_param(mode, int, 0);
1956 module_param(sec, uint, 0);
1957 MODULE_PARM_DESC(sec, "Length in seconds of speed tests "
1958 "(defaults to zero which uses CPU cycles instead)");
1959
1960 MODULE_LICENSE("GPL");
1961 MODULE_DESCRIPTION("Quick & dirty crypto testing module");
1962 MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree