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ACPI: thinkpad-acpi: improve thinkpad detection
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / crypto / tcrypt.c
blobd671e8942b1f7d2c774a46a56aada52bf76dca39
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 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the Free
12 * Software Foundation; either version 2 of the License, or (at your option)
13 * any later version.
14 *
15 * 2004-08-09 Added cipher speed tests (Reyk Floeter <reyk@vantronix.net>)
16 * 2003-09-14 Rewritten by Kartikey Mahendra Bhatt
17 *
18 */
19
20 #include <linux/err.h>
21 #include <linux/init.h>
22 #include <linux/module.h>
23 #include <linux/mm.h>
24 #include <linux/slab.h>
25 #include <linux/scatterlist.h>
26 #include <linux/string.h>
27 #include <linux/crypto.h>
28 #include <linux/highmem.h>
29 #include <linux/moduleparam.h>
30 #include <linux/jiffies.h>
31 #include <linux/timex.h>
32 #include <linux/interrupt.h>
33 #include "tcrypt.h"
34
35 /*
36 * Need to kmalloc() memory for testing kmap().
37 */
38 #define TVMEMSIZE 16384
39 #define XBUFSIZE 32768
40
41 /*
42 * Indexes into the xbuf to simulate cross-page access.
43 */
44 #define IDX1 37
45 #define IDX2 32400
46 #define IDX3 1
47 #define IDX4 8193
48 #define IDX5 22222
49 #define IDX6 17101
50 #define IDX7 27333
51 #define IDX8 3000
52
53 /*
54 * Used by test_cipher()
55 */
56 #define ENCRYPT 1
57 #define DECRYPT 0
58
59 static unsigned int IDX[8] = { IDX1, IDX2, IDX3, IDX4, IDX5, IDX6, IDX7, IDX8 };
60
61 /*
62 * Used by test_cipher_speed()
63 */
64 static unsigned int sec;
65
66 static int mode;
67 static char *xbuf;
68 static char *tvmem;
69
70 static char *check[] = {
71 "des", "md5", "des3_ede", "rot13", "sha1", "sha256", "blowfish",
72 "twofish", "serpent", "sha384", "sha512", "md4", "aes", "cast6",
73 "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
74 "khazad", "wp512", "wp384", "wp256", "tnepres", "xeta", NULL
75 };
76
77 static void hexdump(unsigned char *buf, unsigned int len)
78 {
79 while (len--)
80 printk("%02x", *buf++);
81
82 printk("\n");
83 }
84
85 static void test_hash(char *algo, struct hash_testvec *template,
86 unsigned int tcount)
87 {
88 unsigned int i, j, k, temp;
89 struct scatterlist sg[8];
90 char result[64];
91 struct crypto_hash *tfm;
92 struct hash_desc desc;
93 struct hash_testvec *hash_tv;
94 unsigned int tsize;
95 int ret;
96
97 printk("\ntesting %s\n", algo);
98
99 tsize = sizeof(struct hash_testvec);
100 tsize *= tcount;
101
102 if (tsize > TVMEMSIZE) {
103 printk("template (%u) too big for tvmem (%u)\n", tsize, TVMEMSIZE);
104 return;
105 }
106
107 memcpy(tvmem, template, tsize);
108 hash_tv = (void *)tvmem;
109
110 tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
111 if (IS_ERR(tfm)) {
112 printk("failed to load transform for %s: %ld\n", algo,
113 PTR_ERR(tfm));
114 return;
115 }
116
117 desc.tfm = tfm;
118 desc.flags = 0;
119
120 for (i = 0; i < tcount; i++) {
121 printk("test %u:\n", i + 1);
122 memset(result, 0, 64);
123
124 sg_set_buf(&sg[0], hash_tv[i].plaintext, hash_tv[i].psize);
125
126 if (hash_tv[i].ksize) {
127 ret = crypto_hash_setkey(tfm, hash_tv[i].key,
128 hash_tv[i].ksize);
129 if (ret) {
130 printk("setkey() failed ret=%d\n", ret);
131 goto out;
132 }
133 }
134
135 ret = crypto_hash_digest(&desc, sg, hash_tv[i].psize, result);
136 if (ret) {
137 printk("digest () failed ret=%d\n", ret);
138 goto out;
139 }
140
141 hexdump(result, crypto_hash_digestsize(tfm));
142 printk("%s\n",
143 memcmp(result, hash_tv[i].digest,
144 crypto_hash_digestsize(tfm)) ?
145 "fail" : "pass");
146 }
147
148 printk("testing %s across pages\n", algo);
149
150 /* setup the dummy buffer first */
151 memset(xbuf, 0, XBUFSIZE);
152
153 j = 0;
154 for (i = 0; i < tcount; i++) {
155 if (hash_tv[i].np) {
156 j++;
157 printk("test %u:\n", j);
158 memset(result, 0, 64);
159
160 temp = 0;
161 for (k = 0; k < hash_tv[i].np; k++) {
162 memcpy(&xbuf[IDX[k]],
163 hash_tv[i].plaintext + temp,
164 hash_tv[i].tap[k]);
165 temp += hash_tv[i].tap[k];
166 sg_set_buf(&sg[k], &xbuf[IDX[k]],
167 hash_tv[i].tap[k]);
168 }
169
170 if (hash_tv[i].ksize) {
171 ret = crypto_hash_setkey(tfm, hash_tv[i].key,
172 hash_tv[i].ksize);
173
174 if (ret) {
175 printk("setkey() failed ret=%d\n", ret);
176 goto out;
177 }
178 }
179
180 ret = crypto_hash_digest(&desc, sg, hash_tv[i].psize,
181 result);
182 if (ret) {
183 printk("digest () failed ret=%d\n", ret);
184 goto out;
185 }
186
187 hexdump(result, crypto_hash_digestsize(tfm));
188 printk("%s\n",
189 memcmp(result, hash_tv[i].digest,
190 crypto_hash_digestsize(tfm)) ?
191 "fail" : "pass");
192 }
193 }
194
195 out:
196 crypto_free_hash(tfm);
197 }
198
199 static void test_cipher(char *algo, int enc,
200 struct cipher_testvec *template, unsigned int tcount)
201 {
202 unsigned int ret, i, j, k, temp;
203 unsigned int tsize;
204 unsigned int iv_len;
205 unsigned int len;
206 char *q;
207 struct crypto_blkcipher *tfm;
208 char *key;
209 struct cipher_testvec *cipher_tv;
210 struct blkcipher_desc desc;
211 struct scatterlist sg[8];
212 const char *e;
213
214 if (enc == ENCRYPT)
215 e = "encryption";
216 else
217 e = "decryption";
218
219 printk("\ntesting %s %s\n", algo, e);
220
221 tsize = sizeof (struct cipher_testvec);
222 tsize *= tcount;
223
224 if (tsize > TVMEMSIZE) {
225 printk("template (%u) too big for tvmem (%u)\n", tsize,
226 TVMEMSIZE);
227 return;
228 }
229
230 memcpy(tvmem, template, tsize);
231 cipher_tv = (void *)tvmem;
232
233 tfm = crypto_alloc_blkcipher(algo, 0, CRYPTO_ALG_ASYNC);
234
235 if (IS_ERR(tfm)) {
236 printk("failed to load transform for %s: %ld\n", algo,
237 PTR_ERR(tfm));
238 return;
239 }
240 desc.tfm = tfm;
241 desc.flags = 0;
242
243 j = 0;
244 for (i = 0; i < tcount; i++) {
245 if (!(cipher_tv[i].np)) {
246 j++;
247 printk("test %u (%d bit key):\n",
248 j, cipher_tv[i].klen * 8);
249
250 crypto_blkcipher_clear_flags(tfm, ~0);
251 if (cipher_tv[i].wk)
252 crypto_blkcipher_set_flags(
253 tfm, CRYPTO_TFM_REQ_WEAK_KEY);
254 key = cipher_tv[i].key;
255
256 ret = crypto_blkcipher_setkey(tfm, key,
257 cipher_tv[i].klen);
258 if (ret) {
259 printk("setkey() failed flags=%x\n",
260 crypto_blkcipher_get_flags(tfm));
261
262 if (!cipher_tv[i].fail)
263 goto out;
264 }
265
266 sg_set_buf(&sg[0], cipher_tv[i].input,
267 cipher_tv[i].ilen);
268
269 iv_len = crypto_blkcipher_ivsize(tfm);
270 if (iv_len)
271 crypto_blkcipher_set_iv(tfm, cipher_tv[i].iv,
272 iv_len);
273
274 len = cipher_tv[i].ilen;
275 ret = enc ?
276 crypto_blkcipher_encrypt(&desc, sg, sg, len) :
277 crypto_blkcipher_decrypt(&desc, sg, sg, len);
278
279 if (ret) {
280 printk("%s () failed flags=%x\n", e,
281 desc.flags);
282 goto out;
283 }
284
285 q = kmap(sg[0].page) + sg[0].offset;
286 hexdump(q, cipher_tv[i].rlen);
287
288 printk("%s\n",
289 memcmp(q, cipher_tv[i].result,
290 cipher_tv[i].rlen) ? "fail" : "pass");
291 }
292 }
293
294 printk("\ntesting %s %s across pages (chunking)\n", algo, e);
295 memset(xbuf, 0, XBUFSIZE);
296
297 j = 0;
298 for (i = 0; i < tcount; i++) {
299 if (cipher_tv[i].np) {
300 j++;
301 printk("test %u (%d bit key):\n",
302 j, cipher_tv[i].klen * 8);
303
304 crypto_blkcipher_clear_flags(tfm, ~0);
305 if (cipher_tv[i].wk)
306 crypto_blkcipher_set_flags(
307 tfm, CRYPTO_TFM_REQ_WEAK_KEY);
308 key = cipher_tv[i].key;
309
310 ret = crypto_blkcipher_setkey(tfm, key,
311 cipher_tv[i].klen);
312 if (ret) {
313 printk("setkey() failed flags=%x\n",
314 crypto_blkcipher_get_flags(tfm));
315
316 if (!cipher_tv[i].fail)
317 goto out;
318 }
319
320 temp = 0;
321 for (k = 0; k < cipher_tv[i].np; k++) {
322 memcpy(&xbuf[IDX[k]],
323 cipher_tv[i].input + temp,
324 cipher_tv[i].tap[k]);
325 temp += cipher_tv[i].tap[k];
326 sg_set_buf(&sg[k], &xbuf[IDX[k]],
327 cipher_tv[i].tap[k]);
328 }
329
330 iv_len = crypto_blkcipher_ivsize(tfm);
331 if (iv_len)
332 crypto_blkcipher_set_iv(tfm, cipher_tv[i].iv,
333 iv_len);
334
335 len = cipher_tv[i].ilen;
336 ret = enc ?
337 crypto_blkcipher_encrypt(&desc, sg, sg, len) :
338 crypto_blkcipher_decrypt(&desc, sg, sg, len);
339
340 if (ret) {
341 printk("%s () failed flags=%x\n", e,
342 desc.flags);
343 goto out;
344 }
345
346 temp = 0;
347 for (k = 0; k < cipher_tv[i].np; k++) {
348 printk("page %u\n", k);
349 q = kmap(sg[k].page) + sg[k].offset;
350 hexdump(q, cipher_tv[i].tap[k]);
351 printk("%s\n",
352 memcmp(q, cipher_tv[i].result + temp,
353 cipher_tv[i].tap[k]) ? "fail" :
354 "pass");
355 temp += cipher_tv[i].tap[k];
356 }
357 }
358 }
359
360 out:
361 crypto_free_blkcipher(tfm);
362 }
363
364 static int test_cipher_jiffies(struct blkcipher_desc *desc, int enc, char *p,
365 int blen, int sec)
366 {
367 struct scatterlist sg[1];
368 unsigned long start, end;
369 int bcount;
370 int ret;
371
372 sg_set_buf(sg, p, blen);
373
374 for (start = jiffies, end = start + sec * HZ, bcount = 0;
375 time_before(jiffies, end); bcount++) {
376 if (enc)
377 ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
378 else
379 ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
380
381 if (ret)
382 return ret;
383 }
384
385 printk("%d operations in %d seconds (%ld bytes)\n",
386 bcount, sec, (long)bcount * blen);
387 return 0;
388 }
389
390 static int test_cipher_cycles(struct blkcipher_desc *desc, int enc, char *p,
391 int blen)
392 {
393 struct scatterlist sg[1];
394 unsigned long cycles = 0;
395 int ret = 0;
396 int i;
397
398 sg_set_buf(sg, p, blen);
399
400 local_bh_disable();
401 local_irq_disable();
402
403 /* Warm-up run. */
404 for (i = 0; i < 4; i++) {
405 if (enc)
406 ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
407 else
408 ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
409
410 if (ret)
411 goto out;
412 }
413
414 /* The real thing. */
415 for (i = 0; i < 8; i++) {
416 cycles_t start, end;
417
418 start = get_cycles();
419 if (enc)
420 ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
421 else
422 ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
423 end = get_cycles();
424
425 if (ret)
426 goto out;
427
428 cycles += end - start;
429 }
430
431 out:
432 local_irq_enable();
433 local_bh_enable();
434
435 if (ret == 0)
436 printk("1 operation in %lu cycles (%d bytes)\n",
437 (cycles + 4) / 8, blen);
438
439 return ret;
440 }
441
442 static void test_cipher_speed(char *algo, int enc, unsigned int sec,
443 struct cipher_testvec *template,
444 unsigned int tcount, struct cipher_speed *speed)
445 {
446 unsigned int ret, i, j, iv_len;
447 unsigned char *key, *p, iv[128];
448 struct crypto_blkcipher *tfm;
449 struct blkcipher_desc desc;
450 const char *e;
451
452 if (enc == ENCRYPT)
453 e = "encryption";
454 else
455 e = "decryption";
456
457 printk("\ntesting speed of %s %s\n", algo, e);
458
459 tfm = crypto_alloc_blkcipher(algo, 0, CRYPTO_ALG_ASYNC);
460
461 if (IS_ERR(tfm)) {
462 printk("failed to load transform for %s: %ld\n", algo,
463 PTR_ERR(tfm));
464 return;
465 }
466 desc.tfm = tfm;
467 desc.flags = 0;
468
469 for (i = 0; speed[i].klen != 0; i++) {
470 if ((speed[i].blen + speed[i].klen) > TVMEMSIZE) {
471 printk("template (%u) too big for tvmem (%u)\n",
472 speed[i].blen + speed[i].klen, TVMEMSIZE);
473 goto out;
474 }
475
476 printk("test %u (%d bit key, %d byte blocks): ", i,
477 speed[i].klen * 8, speed[i].blen);
478
479 memset(tvmem, 0xff, speed[i].klen + speed[i].blen);
480
481 /* set key, plain text and IV */
482 key = (unsigned char *)tvmem;
483 for (j = 0; j < tcount; j++) {
484 if (template[j].klen == speed[i].klen) {
485 key = template[j].key;
486 break;
487 }
488 }
489 p = (unsigned char *)tvmem + speed[i].klen;
490
491 ret = crypto_blkcipher_setkey(tfm, key, speed[i].klen);
492 if (ret) {
493 printk("setkey() failed flags=%x\n",
494 crypto_blkcipher_get_flags(tfm));
495 goto out;
496 }
497
498 iv_len = crypto_blkcipher_ivsize(tfm);
499 if (iv_len) {
500 memset(&iv, 0xff, iv_len);
501 crypto_blkcipher_set_iv(tfm, iv, iv_len);
502 }
503
504 if (sec)
505 ret = test_cipher_jiffies(&desc, enc, p, speed[i].blen,
506 sec);
507 else
508 ret = test_cipher_cycles(&desc, enc, p, speed[i].blen);
509
510 if (ret) {
511 printk("%s() failed flags=%x\n", e, desc.flags);
512 break;
513 }
514 }
515
516 out:
517 crypto_free_blkcipher(tfm);
518 }
519
520 static int test_hash_jiffies_digest(struct hash_desc *desc, char *p, int blen,
521 char *out, int sec)
522 {
523 struct scatterlist sg[1];
524 unsigned long start, end;
525 int bcount;
526 int ret;
527
528 for (start = jiffies, end = start + sec * HZ, bcount = 0;
529 time_before(jiffies, end); bcount++) {
530 sg_set_buf(sg, p, blen);
531 ret = crypto_hash_digest(desc, sg, blen, out);
532 if (ret)
533 return ret;
534 }
535
536 printk("%6u opers/sec, %9lu bytes/sec\n",
537 bcount / sec, ((long)bcount * blen) / sec);
538
539 return 0;
540 }
541
542 static int test_hash_jiffies(struct hash_desc *desc, char *p, int blen,
543 int plen, char *out, int sec)
544 {
545 struct scatterlist sg[1];
546 unsigned long start, end;
547 int bcount, pcount;
548 int ret;
549
550 if (plen == blen)
551 return test_hash_jiffies_digest(desc, p, blen, out, sec);
552
553 for (start = jiffies, end = start + sec * HZ, bcount = 0;
554 time_before(jiffies, end); bcount++) {
555 ret = crypto_hash_init(desc);
556 if (ret)
557 return ret;
558 for (pcount = 0; pcount < blen; pcount += plen) {
559 sg_set_buf(sg, p + pcount, plen);
560 ret = crypto_hash_update(desc, sg, plen);
561 if (ret)
562 return ret;
563 }
564 /* we assume there is enough space in 'out' for the result */
565 ret = crypto_hash_final(desc, out);
566 if (ret)
567 return ret;
568 }
569
570 printk("%6u opers/sec, %9lu bytes/sec\n",
571 bcount / sec, ((long)bcount * blen) / sec);
572
573 return 0;
574 }
575
576 static int test_hash_cycles_digest(struct hash_desc *desc, char *p, int blen,
577 char *out)
578 {
579 struct scatterlist sg[1];
580 unsigned long cycles = 0;
581 int i;
582 int ret;
583
584 local_bh_disable();
585 local_irq_disable();
586
587 /* Warm-up run. */
588 for (i = 0; i < 4; i++) {
589 sg_set_buf(sg, p, blen);
590 ret = crypto_hash_digest(desc, sg, blen, out);
591 if (ret)
592 goto out;
593 }
594
595 /* The real thing. */
596 for (i = 0; i < 8; i++) {
597 cycles_t start, end;
598
599 start = get_cycles();
600
601 sg_set_buf(sg, p, blen);
602 ret = crypto_hash_digest(desc, sg, blen, out);
603 if (ret)
604 goto out;
605
606 end = get_cycles();
607
608 cycles += end - start;
609 }
610
611 out:
612 local_irq_enable();
613 local_bh_enable();
614
615 if (ret)
616 return ret;
617
618 printk("%6lu cycles/operation, %4lu cycles/byte\n",
619 cycles / 8, cycles / (8 * blen));
620
621 return 0;
622 }
623
624 static int test_hash_cycles(struct hash_desc *desc, char *p, int blen,
625 int plen, char *out)
626 {
627 struct scatterlist sg[1];
628 unsigned long cycles = 0;
629 int i, pcount;
630 int ret;
631
632 if (plen == blen)
633 return test_hash_cycles_digest(desc, p, blen, out);
634
635 local_bh_disable();
636 local_irq_disable();
637
638 /* Warm-up run. */
639 for (i = 0; i < 4; i++) {
640 ret = crypto_hash_init(desc);
641 if (ret)
642 goto out;
643 for (pcount = 0; pcount < blen; pcount += plen) {
644 sg_set_buf(sg, p + pcount, plen);
645 ret = crypto_hash_update(desc, sg, plen);
646 if (ret)
647 goto out;
648 }
649 crypto_hash_final(desc, out);
650 if (ret)
651 goto out;
652 }
653
654 /* The real thing. */
655 for (i = 0; i < 8; i++) {
656 cycles_t start, end;
657
658 start = get_cycles();
659
660 ret = crypto_hash_init(desc);
661 if (ret)
662 goto out;
663 for (pcount = 0; pcount < blen; pcount += plen) {
664 sg_set_buf(sg, p + pcount, plen);
665 ret = crypto_hash_update(desc, sg, plen);
666 if (ret)
667 goto out;
668 }
669 ret = crypto_hash_final(desc, out);
670 if (ret)
671 goto out;
672
673 end = get_cycles();
674
675 cycles += end - start;
676 }
677
678 out:
679 local_irq_enable();
680 local_bh_enable();
681
682 if (ret)
683 return ret;
684
685 printk("%6lu cycles/operation, %4lu cycles/byte\n",
686 cycles / 8, cycles / (8 * blen));
687
688 return 0;
689 }
690
691 static void test_hash_speed(char *algo, unsigned int sec,
692 struct hash_speed *speed)
693 {
694 struct crypto_hash *tfm;
695 struct hash_desc desc;
696 char output[1024];
697 int i;
698 int ret;
699
700 printk("\ntesting speed of %s\n", algo);
701
702 tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
703
704 if (IS_ERR(tfm)) {
705 printk("failed to load transform for %s: %ld\n", algo,
706 PTR_ERR(tfm));
707 return;
708 }
709
710 desc.tfm = tfm;
711 desc.flags = 0;
712
713 if (crypto_hash_digestsize(tfm) > sizeof(output)) {
714 printk("digestsize(%u) > outputbuffer(%zu)\n",
715 crypto_hash_digestsize(tfm), sizeof(output));
716 goto out;
717 }
718
719 for (i = 0; speed[i].blen != 0; i++) {
720 if (speed[i].blen > TVMEMSIZE) {
721 printk("template (%u) too big for tvmem (%u)\n",
722 speed[i].blen, TVMEMSIZE);
723 goto out;
724 }
725
726 printk("test%3u (%5u byte blocks,%5u bytes per update,%4u updates): ",
727 i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
728
729 memset(tvmem, 0xff, speed[i].blen);
730
731 if (sec)
732 ret = test_hash_jiffies(&desc, tvmem, speed[i].blen,
733 speed[i].plen, output, sec);
734 else
735 ret = test_hash_cycles(&desc, tvmem, speed[i].blen,
736 speed[i].plen, output);
737
738 if (ret) {
739 printk("hashing failed ret=%d\n", ret);
740 break;
741 }
742 }
743
744 out:
745 crypto_free_hash(tfm);
746 }
747
748 static void test_deflate(void)
749 {
750 unsigned int i;
751 char result[COMP_BUF_SIZE];
752 struct crypto_comp *tfm;
753 struct comp_testvec *tv;
754 unsigned int tsize;
755
756 printk("\ntesting deflate compression\n");
757
758 tsize = sizeof (deflate_comp_tv_template);
759 if (tsize > TVMEMSIZE) {
760 printk("template (%u) too big for tvmem (%u)\n", tsize,
761 TVMEMSIZE);
762 return;
763 }
764
765 memcpy(tvmem, deflate_comp_tv_template, tsize);
766 tv = (void *)tvmem;
767
768 tfm = crypto_alloc_tfm("deflate", 0);
769 if (tfm == NULL) {
770 printk("failed to load transform for deflate\n");
771 return;
772 }
773
774 for (i = 0; i < DEFLATE_COMP_TEST_VECTORS; i++) {
775 int ilen, ret, dlen = COMP_BUF_SIZE;
776
777 printk("test %u:\n", i + 1);
778 memset(result, 0, sizeof (result));
779
780 ilen = tv[i].inlen;
781 ret = crypto_comp_compress(tfm, tv[i].input,
782 ilen, result, &dlen);
783 if (ret) {
784 printk("fail: ret=%d\n", ret);
785 continue;
786 }
787 hexdump(result, dlen);
788 printk("%s (ratio %d:%d)\n",
789 memcmp(result, tv[i].output, dlen) ? "fail" : "pass",
790 ilen, dlen);
791 }
792
793 printk("\ntesting deflate decompression\n");
794
795 tsize = sizeof (deflate_decomp_tv_template);
796 if (tsize > TVMEMSIZE) {
797 printk("template (%u) too big for tvmem (%u)\n", tsize,
798 TVMEMSIZE);
799 goto out;
800 }
801
802 memcpy(tvmem, deflate_decomp_tv_template, tsize);
803 tv = (void *)tvmem;
804
805 for (i = 0; i < DEFLATE_DECOMP_TEST_VECTORS; i++) {
806 int ilen, ret, dlen = COMP_BUF_SIZE;
807
808 printk("test %u:\n", i + 1);
809 memset(result, 0, sizeof (result));
810
811 ilen = tv[i].inlen;
812 ret = crypto_comp_decompress(tfm, tv[i].input,
813 ilen, result, &dlen);
814 if (ret) {
815 printk("fail: ret=%d\n", ret);
816 continue;
817 }
818 hexdump(result, dlen);
819 printk("%s (ratio %d:%d)\n",
820 memcmp(result, tv[i].output, dlen) ? "fail" : "pass",
821 ilen, dlen);
822 }
823 out:
824 crypto_free_comp(tfm);
825 }
826
827 static void test_available(void)
828 {
829 char **name = check;
830
831 while (*name) {
832 printk("alg %s ", *name);
833 printk(crypto_has_alg(*name, 0, CRYPTO_ALG_ASYNC) ?
834 "found\n" : "not found\n");
835 name++;
836 }
837 }
838
839 static void do_test(void)
840 {
841 switch (mode) {
842
843 case 0:
844 test_hash("md5", md5_tv_template, MD5_TEST_VECTORS);
845
846 test_hash("sha1", sha1_tv_template, SHA1_TEST_VECTORS);
847
848 //DES
849 test_cipher("ecb(des)", ENCRYPT, des_enc_tv_template,
850 DES_ENC_TEST_VECTORS);
851 test_cipher("ecb(des)", DECRYPT, des_dec_tv_template,
852 DES_DEC_TEST_VECTORS);
853 test_cipher("cbc(des)", ENCRYPT, des_cbc_enc_tv_template,
854 DES_CBC_ENC_TEST_VECTORS);
855 test_cipher("cbc(des)", DECRYPT, des_cbc_dec_tv_template,
856 DES_CBC_DEC_TEST_VECTORS);
857
858 //DES3_EDE
859 test_cipher("ecb(des3_ede)", ENCRYPT, des3_ede_enc_tv_template,
860 DES3_EDE_ENC_TEST_VECTORS);
861 test_cipher("ecb(des3_ede)", DECRYPT, des3_ede_dec_tv_template,
862 DES3_EDE_DEC_TEST_VECTORS);
863
864 test_hash("md4", md4_tv_template, MD4_TEST_VECTORS);
865
866 test_hash("sha256", sha256_tv_template, SHA256_TEST_VECTORS);
867
868 //BLOWFISH
869 test_cipher("ecb(blowfish)", ENCRYPT, bf_enc_tv_template,
870 BF_ENC_TEST_VECTORS);
871 test_cipher("ecb(blowfish)", DECRYPT, bf_dec_tv_template,
872 BF_DEC_TEST_VECTORS);
873 test_cipher("cbc(blowfish)", ENCRYPT, bf_cbc_enc_tv_template,
874 BF_CBC_ENC_TEST_VECTORS);
875 test_cipher("cbc(blowfish)", DECRYPT, bf_cbc_dec_tv_template,
876 BF_CBC_DEC_TEST_VECTORS);
877
878 //TWOFISH
879 test_cipher("ecb(twofish)", ENCRYPT, tf_enc_tv_template,
880 TF_ENC_TEST_VECTORS);
881 test_cipher("ecb(twofish)", DECRYPT, tf_dec_tv_template,
882 TF_DEC_TEST_VECTORS);
883 test_cipher("cbc(twofish)", ENCRYPT, tf_cbc_enc_tv_template,
884 TF_CBC_ENC_TEST_VECTORS);
885 test_cipher("cbc(twofish)", DECRYPT, tf_cbc_dec_tv_template,
886 TF_CBC_DEC_TEST_VECTORS);
887
888 //SERPENT
889 test_cipher("ecb(serpent)", ENCRYPT, serpent_enc_tv_template,
890 SERPENT_ENC_TEST_VECTORS);
891 test_cipher("ecb(serpent)", DECRYPT, serpent_dec_tv_template,
892 SERPENT_DEC_TEST_VECTORS);
893
894 //TNEPRES
895 test_cipher("ecb(tnepres)", ENCRYPT, tnepres_enc_tv_template,
896 TNEPRES_ENC_TEST_VECTORS);
897 test_cipher("ecb(tnepres)", DECRYPT, tnepres_dec_tv_template,
898 TNEPRES_DEC_TEST_VECTORS);
899
900 //AES
901 test_cipher("ecb(aes)", ENCRYPT, aes_enc_tv_template,
902 AES_ENC_TEST_VECTORS);
903 test_cipher("ecb(aes)", DECRYPT, aes_dec_tv_template,
904 AES_DEC_TEST_VECTORS);
905 test_cipher("cbc(aes)", ENCRYPT, aes_cbc_enc_tv_template,
906 AES_CBC_ENC_TEST_VECTORS);
907 test_cipher("cbc(aes)", DECRYPT, aes_cbc_dec_tv_template,
908 AES_CBC_DEC_TEST_VECTORS);
909 test_cipher("lrw(aes)", ENCRYPT, aes_lrw_enc_tv_template,
910 AES_LRW_ENC_TEST_VECTORS);
911 test_cipher("lrw(aes)", DECRYPT, aes_lrw_dec_tv_template,
912 AES_LRW_DEC_TEST_VECTORS);
913
914 //CAST5
915 test_cipher("ecb(cast5)", ENCRYPT, cast5_enc_tv_template,
916 CAST5_ENC_TEST_VECTORS);
917 test_cipher("ecb(cast5)", DECRYPT, cast5_dec_tv_template,
918 CAST5_DEC_TEST_VECTORS);
919
920 //CAST6
921 test_cipher("ecb(cast6)", ENCRYPT, cast6_enc_tv_template,
922 CAST6_ENC_TEST_VECTORS);
923 test_cipher("ecb(cast6)", DECRYPT, cast6_dec_tv_template,
924 CAST6_DEC_TEST_VECTORS);
925
926 //ARC4
927 test_cipher("ecb(arc4)", ENCRYPT, arc4_enc_tv_template,
928 ARC4_ENC_TEST_VECTORS);
929 test_cipher("ecb(arc4)", DECRYPT, arc4_dec_tv_template,
930 ARC4_DEC_TEST_VECTORS);
931
932 //TEA
933 test_cipher("ecb(tea)", ENCRYPT, tea_enc_tv_template,
934 TEA_ENC_TEST_VECTORS);
935 test_cipher("ecb(tea)", DECRYPT, tea_dec_tv_template,
936 TEA_DEC_TEST_VECTORS);
937
938
939 //XTEA
940 test_cipher("ecb(xtea)", ENCRYPT, xtea_enc_tv_template,
941 XTEA_ENC_TEST_VECTORS);
942 test_cipher("ecb(xtea)", DECRYPT, xtea_dec_tv_template,
943 XTEA_DEC_TEST_VECTORS);
944
945 //KHAZAD
946 test_cipher("ecb(khazad)", ENCRYPT, khazad_enc_tv_template,
947 KHAZAD_ENC_TEST_VECTORS);
948 test_cipher("ecb(khazad)", DECRYPT, khazad_dec_tv_template,
949 KHAZAD_DEC_TEST_VECTORS);
950
951 //ANUBIS
952 test_cipher("ecb(anubis)", ENCRYPT, anubis_enc_tv_template,
953 ANUBIS_ENC_TEST_VECTORS);
954 test_cipher("ecb(anubis)", DECRYPT, anubis_dec_tv_template,
955 ANUBIS_DEC_TEST_VECTORS);
956 test_cipher("cbc(anubis)", ENCRYPT, anubis_cbc_enc_tv_template,
957 ANUBIS_CBC_ENC_TEST_VECTORS);
958 test_cipher("cbc(anubis)", DECRYPT, anubis_cbc_dec_tv_template,
959 ANUBIS_CBC_ENC_TEST_VECTORS);
960
961 //XETA
962 test_cipher("ecb(xeta)", ENCRYPT, xeta_enc_tv_template,
963 XETA_ENC_TEST_VECTORS);
964 test_cipher("ecb(xeta)", DECRYPT, xeta_dec_tv_template,
965 XETA_DEC_TEST_VECTORS);
966
967 test_hash("sha384", sha384_tv_template, SHA384_TEST_VECTORS);
968 test_hash("sha512", sha512_tv_template, SHA512_TEST_VECTORS);
969 test_hash("wp512", wp512_tv_template, WP512_TEST_VECTORS);
970 test_hash("wp384", wp384_tv_template, WP384_TEST_VECTORS);
971 test_hash("wp256", wp256_tv_template, WP256_TEST_VECTORS);
972 test_hash("tgr192", tgr192_tv_template, TGR192_TEST_VECTORS);
973 test_hash("tgr160", tgr160_tv_template, TGR160_TEST_VECTORS);
974 test_hash("tgr128", tgr128_tv_template, TGR128_TEST_VECTORS);
975 test_deflate();
976 test_hash("crc32c", crc32c_tv_template, CRC32C_TEST_VECTORS);
977 test_hash("hmac(md5)", hmac_md5_tv_template,
978 HMAC_MD5_TEST_VECTORS);
979 test_hash("hmac(sha1)", hmac_sha1_tv_template,
980 HMAC_SHA1_TEST_VECTORS);
981 test_hash("hmac(sha256)", hmac_sha256_tv_template,
982 HMAC_SHA256_TEST_VECTORS);
983
984 test_hash("xcbc(aes)", aes_xcbc128_tv_template,
985 XCBC_AES_TEST_VECTORS);
986
987 test_hash("michael_mic", michael_mic_tv_template, MICHAEL_MIC_TEST_VECTORS);
988 break;
989
990 case 1:
991 test_hash("md5", md5_tv_template, MD5_TEST_VECTORS);
992 break;
993
994 case 2:
995 test_hash("sha1", sha1_tv_template, SHA1_TEST_VECTORS);
996 break;
997
998 case 3:
999 test_cipher("ecb(des)", ENCRYPT, des_enc_tv_template,
1000 DES_ENC_TEST_VECTORS);
1001 test_cipher("ecb(des)", DECRYPT, des_dec_tv_template,
1002 DES_DEC_TEST_VECTORS);
1003 test_cipher("cbc(des)", ENCRYPT, des_cbc_enc_tv_template,
1004 DES_CBC_ENC_TEST_VECTORS);
1005 test_cipher("cbc(des)", DECRYPT, des_cbc_dec_tv_template,
1006 DES_CBC_DEC_TEST_VECTORS);
1007 break;
1008
1009 case 4:
1010 test_cipher("ecb(des3_ede)", ENCRYPT, des3_ede_enc_tv_template,
1011 DES3_EDE_ENC_TEST_VECTORS);
1012 test_cipher("ecb(des3_ede)", DECRYPT, des3_ede_dec_tv_template,
1013 DES3_EDE_DEC_TEST_VECTORS);
1014 break;
1015
1016 case 5:
1017 test_hash("md4", md4_tv_template, MD4_TEST_VECTORS);
1018 break;
1019
1020 case 6:
1021 test_hash("sha256", sha256_tv_template, SHA256_TEST_VECTORS);
1022 break;
1023
1024 case 7:
1025 test_cipher("ecb(blowfish)", ENCRYPT, bf_enc_tv_template,
1026 BF_ENC_TEST_VECTORS);
1027 test_cipher("ecb(blowfish)", DECRYPT, bf_dec_tv_template,
1028 BF_DEC_TEST_VECTORS);
1029 test_cipher("cbc(blowfish)", ENCRYPT, bf_cbc_enc_tv_template,
1030 BF_CBC_ENC_TEST_VECTORS);
1031 test_cipher("cbc(blowfish)", DECRYPT, bf_cbc_dec_tv_template,
1032 BF_CBC_DEC_TEST_VECTORS);
1033 break;
1034
1035 case 8:
1036 test_cipher("ecb(twofish)", ENCRYPT, tf_enc_tv_template,
1037 TF_ENC_TEST_VECTORS);
1038 test_cipher("ecb(twofish)", DECRYPT, tf_dec_tv_template,
1039 TF_DEC_TEST_VECTORS);
1040 test_cipher("cbc(twofish)", ENCRYPT, tf_cbc_enc_tv_template,
1041 TF_CBC_ENC_TEST_VECTORS);
1042 test_cipher("cbc(twofish)", DECRYPT, tf_cbc_dec_tv_template,
1043 TF_CBC_DEC_TEST_VECTORS);
1044 break;
1045
1046 case 9:
1047 test_cipher("ecb(serpent)", ENCRYPT, serpent_enc_tv_template,
1048 SERPENT_ENC_TEST_VECTORS);
1049 test_cipher("ecb(serpent)", DECRYPT, serpent_dec_tv_template,
1050 SERPENT_DEC_TEST_VECTORS);
1051 break;
1052
1053 case 10:
1054 test_cipher("ecb(aes)", ENCRYPT, aes_enc_tv_template,
1055 AES_ENC_TEST_VECTORS);
1056 test_cipher("ecb(aes)", DECRYPT, aes_dec_tv_template,
1057 AES_DEC_TEST_VECTORS);
1058 test_cipher("cbc(aes)", ENCRYPT, aes_cbc_enc_tv_template,
1059 AES_CBC_ENC_TEST_VECTORS);
1060 test_cipher("cbc(aes)", DECRYPT, aes_cbc_dec_tv_template,
1061 AES_CBC_DEC_TEST_VECTORS);
1062 test_cipher("lrw(aes)", ENCRYPT, aes_lrw_enc_tv_template,
1063 AES_LRW_ENC_TEST_VECTORS);
1064 test_cipher("lrw(aes)", DECRYPT, aes_lrw_dec_tv_template,
1065 AES_LRW_DEC_TEST_VECTORS);
1066 break;
1067
1068 case 11:
1069 test_hash("sha384", sha384_tv_template, SHA384_TEST_VECTORS);
1070 break;
1071
1072 case 12:
1073 test_hash("sha512", sha512_tv_template, SHA512_TEST_VECTORS);
1074 break;
1075
1076 case 13:
1077 test_deflate();
1078 break;
1079
1080 case 14:
1081 test_cipher("ecb(cast5)", ENCRYPT, cast5_enc_tv_template,
1082 CAST5_ENC_TEST_VECTORS);
1083 test_cipher("ecb(cast5)", DECRYPT, cast5_dec_tv_template,
1084 CAST5_DEC_TEST_VECTORS);
1085 break;
1086
1087 case 15:
1088 test_cipher("ecb(cast6)", ENCRYPT, cast6_enc_tv_template,
1089 CAST6_ENC_TEST_VECTORS);
1090 test_cipher("ecb(cast6)", DECRYPT, cast6_dec_tv_template,
1091 CAST6_DEC_TEST_VECTORS);
1092 break;
1093
1094 case 16:
1095 test_cipher("ecb(arc4)", ENCRYPT, arc4_enc_tv_template,
1096 ARC4_ENC_TEST_VECTORS);
1097 test_cipher("ecb(arc4)", DECRYPT, arc4_dec_tv_template,
1098 ARC4_DEC_TEST_VECTORS);
1099 break;
1100
1101 case 17:
1102 test_hash("michael_mic", michael_mic_tv_template, MICHAEL_MIC_TEST_VECTORS);
1103 break;
1104
1105 case 18:
1106 test_hash("crc32c", crc32c_tv_template, CRC32C_TEST_VECTORS);
1107 break;
1108
1109 case 19:
1110 test_cipher("ecb(tea)", ENCRYPT, tea_enc_tv_template,
1111 TEA_ENC_TEST_VECTORS);
1112 test_cipher("ecb(tea)", DECRYPT, tea_dec_tv_template,
1113 TEA_DEC_TEST_VECTORS);
1114 break;
1115
1116 case 20:
1117 test_cipher("ecb(xtea)", ENCRYPT, xtea_enc_tv_template,
1118 XTEA_ENC_TEST_VECTORS);
1119 test_cipher("ecb(xtea)", DECRYPT, xtea_dec_tv_template,
1120 XTEA_DEC_TEST_VECTORS);
1121 break;
1122
1123 case 21:
1124 test_cipher("ecb(khazad)", ENCRYPT, khazad_enc_tv_template,
1125 KHAZAD_ENC_TEST_VECTORS);
1126 test_cipher("ecb(khazad)", DECRYPT, khazad_dec_tv_template,
1127 KHAZAD_DEC_TEST_VECTORS);
1128 break;
1129
1130 case 22:
1131 test_hash("wp512", wp512_tv_template, WP512_TEST_VECTORS);
1132 break;
1133
1134 case 23:
1135 test_hash("wp384", wp384_tv_template, WP384_TEST_VECTORS);
1136 break;
1137
1138 case 24:
1139 test_hash("wp256", wp256_tv_template, WP256_TEST_VECTORS);
1140 break;
1141
1142 case 25:
1143 test_cipher("ecb(tnepres)", ENCRYPT, tnepres_enc_tv_template,
1144 TNEPRES_ENC_TEST_VECTORS);
1145 test_cipher("ecb(tnepres)", DECRYPT, tnepres_dec_tv_template,
1146 TNEPRES_DEC_TEST_VECTORS);
1147 break;
1148
1149 case 26:
1150 test_cipher("ecb(anubis)", ENCRYPT, anubis_enc_tv_template,
1151 ANUBIS_ENC_TEST_VECTORS);
1152 test_cipher("ecb(anubis)", DECRYPT, anubis_dec_tv_template,
1153 ANUBIS_DEC_TEST_VECTORS);
1154 test_cipher("cbc(anubis)", ENCRYPT, anubis_cbc_enc_tv_template,
1155 ANUBIS_CBC_ENC_TEST_VECTORS);
1156 test_cipher("cbc(anubis)", DECRYPT, anubis_cbc_dec_tv_template,
1157 ANUBIS_CBC_ENC_TEST_VECTORS);
1158 break;
1159
1160 case 27:
1161 test_hash("tgr192", tgr192_tv_template, TGR192_TEST_VECTORS);
1162 break;
1163
1164 case 28:
1165
1166 test_hash("tgr160", tgr160_tv_template, TGR160_TEST_VECTORS);
1167 break;
1168
1169 case 29:
1170 test_hash("tgr128", tgr128_tv_template, TGR128_TEST_VECTORS);
1171 break;
1172
1173 case 30:
1174 test_cipher("ecb(xeta)", ENCRYPT, xeta_enc_tv_template,
1175 XETA_ENC_TEST_VECTORS);
1176 test_cipher("ecb(xeta)", DECRYPT, xeta_dec_tv_template,
1177 XETA_DEC_TEST_VECTORS);
1178 break;
1179
1180 case 100:
1181 test_hash("hmac(md5)", hmac_md5_tv_template,
1182 HMAC_MD5_TEST_VECTORS);
1183 break;
1184
1185 case 101:
1186 test_hash("hmac(sha1)", hmac_sha1_tv_template,
1187 HMAC_SHA1_TEST_VECTORS);
1188 break;
1189
1190 case 102:
1191 test_hash("hmac(sha256)", hmac_sha256_tv_template,
1192 HMAC_SHA256_TEST_VECTORS);
1193 break;
1194
1195
1196 case 200:
1197 test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0,
1198 aes_speed_template);
1199 test_cipher_speed("ecb(aes)", DECRYPT, sec, NULL, 0,
1200 aes_speed_template);
1201 test_cipher_speed("cbc(aes)", ENCRYPT, sec, NULL, 0,
1202 aes_speed_template);
1203 test_cipher_speed("cbc(aes)", DECRYPT, sec, NULL, 0,
1204 aes_speed_template);
1205 test_cipher_speed("lrw(aes)", ENCRYPT, sec, NULL, 0,
1206 aes_lrw_speed_template);
1207 test_cipher_speed("lrw(aes)", DECRYPT, sec, NULL, 0,
1208 aes_lrw_speed_template);
1209 break;
1210
1211 case 201:
1212 test_cipher_speed("ecb(des3_ede)", ENCRYPT, sec,
1213 des3_ede_enc_tv_template,
1214 DES3_EDE_ENC_TEST_VECTORS,
1215 des3_ede_speed_template);
1216 test_cipher_speed("ecb(des3_ede)", DECRYPT, sec,
1217 des3_ede_dec_tv_template,
1218 DES3_EDE_DEC_TEST_VECTORS,
1219 des3_ede_speed_template);
1220 test_cipher_speed("cbc(des3_ede)", ENCRYPT, sec,
1221 des3_ede_enc_tv_template,
1222 DES3_EDE_ENC_TEST_VECTORS,
1223 des3_ede_speed_template);
1224 test_cipher_speed("cbc(des3_ede)", DECRYPT, sec,
1225 des3_ede_dec_tv_template,
1226 DES3_EDE_DEC_TEST_VECTORS,
1227 des3_ede_speed_template);
1228 break;
1229
1230 case 202:
1231 test_cipher_speed("ecb(twofish)", ENCRYPT, sec, NULL, 0,
1232 twofish_speed_template);
1233 test_cipher_speed("ecb(twofish)", DECRYPT, sec, NULL, 0,
1234 twofish_speed_template);
1235 test_cipher_speed("cbc(twofish)", ENCRYPT, sec, NULL, 0,
1236 twofish_speed_template);
1237 test_cipher_speed("cbc(twofish)", DECRYPT, sec, NULL, 0,
1238 twofish_speed_template);
1239 break;
1240
1241 case 203:
1242 test_cipher_speed("ecb(blowfish)", ENCRYPT, sec, NULL, 0,
1243 blowfish_speed_template);
1244 test_cipher_speed("ecb(blowfish)", DECRYPT, sec, NULL, 0,
1245 blowfish_speed_template);
1246 test_cipher_speed("cbc(blowfish)", ENCRYPT, sec, NULL, 0,
1247 blowfish_speed_template);
1248 test_cipher_speed("cbc(blowfish)", DECRYPT, sec, NULL, 0,
1249 blowfish_speed_template);
1250 break;
1251
1252 case 204:
1253 test_cipher_speed("ecb(des)", ENCRYPT, sec, NULL, 0,
1254 des_speed_template);
1255 test_cipher_speed("ecb(des)", DECRYPT, sec, NULL, 0,
1256 des_speed_template);
1257 test_cipher_speed("cbc(des)", ENCRYPT, sec, NULL, 0,
1258 des_speed_template);
1259 test_cipher_speed("cbc(des)", DECRYPT, sec, NULL, 0,
1260 des_speed_template);
1261 break;
1262
1263 case 300:
1264 /* fall through */
1265
1266 case 301:
1267 test_hash_speed("md4", sec, generic_hash_speed_template);
1268 if (mode > 300 && mode < 400) break;
1269
1270 case 302:
1271 test_hash_speed("md5", sec, generic_hash_speed_template);
1272 if (mode > 300 && mode < 400) break;
1273
1274 case 303:
1275 test_hash_speed("sha1", sec, generic_hash_speed_template);
1276 if (mode > 300 && mode < 400) break;
1277
1278 case 304:
1279 test_hash_speed("sha256", sec, generic_hash_speed_template);
1280 if (mode > 300 && mode < 400) break;
1281
1282 case 305:
1283 test_hash_speed("sha384", sec, generic_hash_speed_template);
1284 if (mode > 300 && mode < 400) break;
1285
1286 case 306:
1287 test_hash_speed("sha512", sec, generic_hash_speed_template);
1288 if (mode > 300 && mode < 400) break;
1289
1290 case 307:
1291 test_hash_speed("wp256", sec, generic_hash_speed_template);
1292 if (mode > 300 && mode < 400) break;
1293
1294 case 308:
1295 test_hash_speed("wp384", sec, generic_hash_speed_template);
1296 if (mode > 300 && mode < 400) break;
1297
1298 case 309:
1299 test_hash_speed("wp512", sec, generic_hash_speed_template);
1300 if (mode > 300 && mode < 400) break;
1301
1302 case 310:
1303 test_hash_speed("tgr128", sec, generic_hash_speed_template);
1304 if (mode > 300 && mode < 400) break;
1305
1306 case 311:
1307 test_hash_speed("tgr160", sec, generic_hash_speed_template);
1308 if (mode > 300 && mode < 400) break;
1309
1310 case 312:
1311 test_hash_speed("tgr192", sec, generic_hash_speed_template);
1312 if (mode > 300 && mode < 400) break;
1313
1314 case 399:
1315 break;
1316
1317 case 1000:
1318 test_available();
1319 break;
1320
1321 default:
1322 /* useful for debugging */
1323 printk("not testing anything\n");
1324 break;
1325 }
1326 }
1327
1328 static int __init init(void)
1329 {
1330 tvmem = kmalloc(TVMEMSIZE, GFP_KERNEL);
1331 if (tvmem == NULL)
1332 return -ENOMEM;
1333
1334 xbuf = kmalloc(XBUFSIZE, GFP_KERNEL);
1335 if (xbuf == NULL) {
1336 kfree(tvmem);
1337 return -ENOMEM;
1338 }
1339
1340 do_test();
1341
1342 kfree(xbuf);
1343 kfree(tvmem);
1344
1345 /* We intentionaly return -EAGAIN to prevent keeping
1346 * the module. It does all its work from init()
1347 * and doesn't offer any runtime functionality
1348 * => we don't need it in the memory, do we?
1349 * -- mludvig
1350 */
1351 return -EAGAIN;
1352 }
1353
1354 /*
1355 * If an init function is provided, an exit function must also be provided
1356 * to allow module unload.
1357 */
1358 static void __exit fini(void) { }
1359
1360 module_init(init);
1361 module_exit(fini);
1362
1363 module_param(mode, int, 0);
1364 module_param(sec, uint, 0);
1365 MODULE_PARM_DESC(sec, "Length in seconds of speed tests "
1366 "(defaults to zero which uses CPU cycles instead)");
1367
1368 MODULE_LICENSE("GPL");
1369 MODULE_DESCRIPTION("Quick & dirty crypto testing module");
1370 MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree