xref: /linux/crypto/tcrypt.c (revision 0dd9ac63ce26ec87b080ca9c3e6efed33c23ace6)
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 <crypto/hash.h>
19 #include <linux/err.h>
20 #include <linux/init.h>
21 #include <linux/gfp.h>
22 #include <linux/module.h>
23 #include <linux/scatterlist.h>
24 #include <linux/string.h>
25 #include <linux/moduleparam.h>
26 #include <linux/jiffies.h>
27 #include <linux/timex.h>
28 #include <linux/interrupt.h>
29 #include "tcrypt.h"
30 #include "internal.h"
31 
32 /*
33  * Need slab memory for testing (size in number of pages).
34  */
35 #define TVMEMSIZE	4
36 
37 /*
38 * Used by test_cipher_speed()
39 */
40 #define ENCRYPT 1
41 #define DECRYPT 0
42 
43 /*
44  * Used by test_cipher_speed()
45  */
46 static unsigned int sec;
47 
48 static char *alg = NULL;
49 static u32 type;
50 static u32 mask;
51 static int mode;
52 static char *tvmem[TVMEMSIZE];
53 
54 static char *check[] = {
55 	"des", "md5", "des3_ede", "rot13", "sha1", "sha224", "sha256",
56 	"blowfish", "twofish", "serpent", "sha384", "sha512", "md4", "aes",
57 	"cast6", "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
58 	"khazad", "wp512", "wp384", "wp256", "tnepres", "xeta",  "fcrypt",
59 	"camellia", "seed", "salsa20", "rmd128", "rmd160", "rmd256", "rmd320",
60 	"lzo", "cts", "zlib", NULL
61 };
62 
63 static int test_cipher_jiffies(struct blkcipher_desc *desc, int enc,
64 			       struct scatterlist *sg, int blen, int sec)
65 {
66 	unsigned long start, end;
67 	int bcount;
68 	int ret;
69 
70 	for (start = jiffies, end = start + sec * HZ, bcount = 0;
71 	     time_before(jiffies, end); bcount++) {
72 		if (enc)
73 			ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
74 		else
75 			ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
76 
77 		if (ret)
78 			return ret;
79 	}
80 
81 	printk("%d operations in %d seconds (%ld bytes)\n",
82 	       bcount, sec, (long)bcount * blen);
83 	return 0;
84 }
85 
86 static int test_cipher_cycles(struct blkcipher_desc *desc, int enc,
87 			      struct scatterlist *sg, int blen)
88 {
89 	unsigned long cycles = 0;
90 	int ret = 0;
91 	int i;
92 
93 	local_bh_disable();
94 	local_irq_disable();
95 
96 	/* Warm-up run. */
97 	for (i = 0; i < 4; i++) {
98 		if (enc)
99 			ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
100 		else
101 			ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
102 
103 		if (ret)
104 			goto out;
105 	}
106 
107 	/* The real thing. */
108 	for (i = 0; i < 8; i++) {
109 		cycles_t start, end;
110 
111 		start = get_cycles();
112 		if (enc)
113 			ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
114 		else
115 			ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
116 		end = get_cycles();
117 
118 		if (ret)
119 			goto out;
120 
121 		cycles += end - start;
122 	}
123 
124 out:
125 	local_irq_enable();
126 	local_bh_enable();
127 
128 	if (ret == 0)
129 		printk("1 operation in %lu cycles (%d bytes)\n",
130 		       (cycles + 4) / 8, blen);
131 
132 	return ret;
133 }
134 
135 static u32 block_sizes[] = { 16, 64, 256, 1024, 8192, 0 };
136 
137 static void test_cipher_speed(const char *algo, int enc, unsigned int sec,
138 			      struct cipher_speed_template *template,
139 			      unsigned int tcount, u8 *keysize)
140 {
141 	unsigned int ret, i, j, iv_len;
142 	const char *key, iv[128];
143 	struct crypto_blkcipher *tfm;
144 	struct blkcipher_desc desc;
145 	const char *e;
146 	u32 *b_size;
147 
148 	if (enc == ENCRYPT)
149 	        e = "encryption";
150 	else
151 		e = "decryption";
152 
153 	printk("\ntesting speed of %s %s\n", algo, e);
154 
155 	tfm = crypto_alloc_blkcipher(algo, 0, CRYPTO_ALG_ASYNC);
156 
157 	if (IS_ERR(tfm)) {
158 		printk("failed to load transform for %s: %ld\n", algo,
159 		       PTR_ERR(tfm));
160 		return;
161 	}
162 	desc.tfm = tfm;
163 	desc.flags = 0;
164 
165 	i = 0;
166 	do {
167 
168 		b_size = block_sizes;
169 		do {
170 			struct scatterlist sg[TVMEMSIZE];
171 
172 			if ((*keysize + *b_size) > TVMEMSIZE * PAGE_SIZE) {
173 				printk("template (%u) too big for "
174 				       "tvmem (%lu)\n", *keysize + *b_size,
175 				       TVMEMSIZE * PAGE_SIZE);
176 				goto out;
177 			}
178 
179 			printk("test %u (%d bit key, %d byte blocks): ", i,
180 					*keysize * 8, *b_size);
181 
182 			memset(tvmem[0], 0xff, PAGE_SIZE);
183 
184 			/* set key, plain text and IV */
185 			key = tvmem[0];
186 			for (j = 0; j < tcount; j++) {
187 				if (template[j].klen == *keysize) {
188 					key = template[j].key;
189 					break;
190 				}
191 			}
192 
193 			ret = crypto_blkcipher_setkey(tfm, key, *keysize);
194 			if (ret) {
195 				printk("setkey() failed flags=%x\n",
196 						crypto_blkcipher_get_flags(tfm));
197 				goto out;
198 			}
199 
200 			sg_init_table(sg, TVMEMSIZE);
201 			sg_set_buf(sg, tvmem[0] + *keysize,
202 				   PAGE_SIZE - *keysize);
203 			for (j = 1; j < TVMEMSIZE; j++) {
204 				sg_set_buf(sg + j, tvmem[j], PAGE_SIZE);
205 				memset (tvmem[j], 0xff, PAGE_SIZE);
206 			}
207 
208 			iv_len = crypto_blkcipher_ivsize(tfm);
209 			if (iv_len) {
210 				memset(&iv, 0xff, iv_len);
211 				crypto_blkcipher_set_iv(tfm, iv, iv_len);
212 			}
213 
214 			if (sec)
215 				ret = test_cipher_jiffies(&desc, enc, sg,
216 							  *b_size, sec);
217 			else
218 				ret = test_cipher_cycles(&desc, enc, sg,
219 							 *b_size);
220 
221 			if (ret) {
222 				printk("%s() failed flags=%x\n", e, desc.flags);
223 				break;
224 			}
225 			b_size++;
226 			i++;
227 		} while (*b_size);
228 		keysize++;
229 	} while (*keysize);
230 
231 out:
232 	crypto_free_blkcipher(tfm);
233 }
234 
235 static int test_hash_jiffies_digest(struct hash_desc *desc,
236 				    struct scatterlist *sg, int blen,
237 				    char *out, int sec)
238 {
239 	unsigned long start, end;
240 	int bcount;
241 	int ret;
242 
243 	for (start = jiffies, end = start + sec * HZ, bcount = 0;
244 	     time_before(jiffies, end); bcount++) {
245 		ret = crypto_hash_digest(desc, sg, blen, out);
246 		if (ret)
247 			return ret;
248 	}
249 
250 	printk("%6u opers/sec, %9lu bytes/sec\n",
251 	       bcount / sec, ((long)bcount * blen) / sec);
252 
253 	return 0;
254 }
255 
256 static int test_hash_jiffies(struct hash_desc *desc, struct scatterlist *sg,
257 			     int blen, int plen, char *out, int sec)
258 {
259 	unsigned long start, end;
260 	int bcount, pcount;
261 	int ret;
262 
263 	if (plen == blen)
264 		return test_hash_jiffies_digest(desc, sg, blen, out, sec);
265 
266 	for (start = jiffies, end = start + sec * HZ, bcount = 0;
267 	     time_before(jiffies, end); bcount++) {
268 		ret = crypto_hash_init(desc);
269 		if (ret)
270 			return ret;
271 		for (pcount = 0; pcount < blen; pcount += plen) {
272 			ret = crypto_hash_update(desc, sg, plen);
273 			if (ret)
274 				return ret;
275 		}
276 		/* we assume there is enough space in 'out' for the result */
277 		ret = crypto_hash_final(desc, out);
278 		if (ret)
279 			return ret;
280 	}
281 
282 	printk("%6u opers/sec, %9lu bytes/sec\n",
283 	       bcount / sec, ((long)bcount * blen) / sec);
284 
285 	return 0;
286 }
287 
288 static int test_hash_cycles_digest(struct hash_desc *desc,
289 				   struct scatterlist *sg, int blen, char *out)
290 {
291 	unsigned long cycles = 0;
292 	int i;
293 	int ret;
294 
295 	local_bh_disable();
296 	local_irq_disable();
297 
298 	/* Warm-up run. */
299 	for (i = 0; i < 4; i++) {
300 		ret = crypto_hash_digest(desc, sg, blen, out);
301 		if (ret)
302 			goto out;
303 	}
304 
305 	/* The real thing. */
306 	for (i = 0; i < 8; i++) {
307 		cycles_t start, end;
308 
309 		start = get_cycles();
310 
311 		ret = crypto_hash_digest(desc, sg, blen, out);
312 		if (ret)
313 			goto out;
314 
315 		end = get_cycles();
316 
317 		cycles += end - start;
318 	}
319 
320 out:
321 	local_irq_enable();
322 	local_bh_enable();
323 
324 	if (ret)
325 		return ret;
326 
327 	printk("%6lu cycles/operation, %4lu cycles/byte\n",
328 	       cycles / 8, cycles / (8 * blen));
329 
330 	return 0;
331 }
332 
333 static int test_hash_cycles(struct hash_desc *desc, struct scatterlist *sg,
334 			    int blen, int plen, char *out)
335 {
336 	unsigned long cycles = 0;
337 	int i, pcount;
338 	int ret;
339 
340 	if (plen == blen)
341 		return test_hash_cycles_digest(desc, sg, blen, out);
342 
343 	local_bh_disable();
344 	local_irq_disable();
345 
346 	/* Warm-up run. */
347 	for (i = 0; i < 4; i++) {
348 		ret = crypto_hash_init(desc);
349 		if (ret)
350 			goto out;
351 		for (pcount = 0; pcount < blen; pcount += plen) {
352 			ret = crypto_hash_update(desc, sg, plen);
353 			if (ret)
354 				goto out;
355 		}
356 		ret = crypto_hash_final(desc, out);
357 		if (ret)
358 			goto out;
359 	}
360 
361 	/* The real thing. */
362 	for (i = 0; i < 8; i++) {
363 		cycles_t start, end;
364 
365 		start = get_cycles();
366 
367 		ret = crypto_hash_init(desc);
368 		if (ret)
369 			goto out;
370 		for (pcount = 0; pcount < blen; pcount += plen) {
371 			ret = crypto_hash_update(desc, sg, plen);
372 			if (ret)
373 				goto out;
374 		}
375 		ret = crypto_hash_final(desc, out);
376 		if (ret)
377 			goto out;
378 
379 		end = get_cycles();
380 
381 		cycles += end - start;
382 	}
383 
384 out:
385 	local_irq_enable();
386 	local_bh_enable();
387 
388 	if (ret)
389 		return ret;
390 
391 	printk("%6lu cycles/operation, %4lu cycles/byte\n",
392 	       cycles / 8, cycles / (8 * blen));
393 
394 	return 0;
395 }
396 
397 static void test_hash_sg_init(struct scatterlist *sg)
398 {
399 	int i;
400 
401 	sg_init_table(sg, TVMEMSIZE);
402 	for (i = 0; i < TVMEMSIZE; i++) {
403 		sg_set_buf(sg + i, tvmem[i], PAGE_SIZE);
404 		memset(tvmem[i], 0xff, PAGE_SIZE);
405 	}
406 }
407 
408 static void test_hash_speed(const char *algo, unsigned int sec,
409 			    struct hash_speed *speed)
410 {
411 	struct scatterlist sg[TVMEMSIZE];
412 	struct crypto_hash *tfm;
413 	struct hash_desc desc;
414 	static char output[1024];
415 	int i;
416 	int ret;
417 
418 	printk(KERN_INFO "\ntesting speed of %s\n", algo);
419 
420 	tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
421 
422 	if (IS_ERR(tfm)) {
423 		printk(KERN_ERR "failed to load transform for %s: %ld\n", algo,
424 		       PTR_ERR(tfm));
425 		return;
426 	}
427 
428 	desc.tfm = tfm;
429 	desc.flags = 0;
430 
431 	if (crypto_hash_digestsize(tfm) > sizeof(output)) {
432 		printk(KERN_ERR "digestsize(%u) > outputbuffer(%zu)\n",
433 		       crypto_hash_digestsize(tfm), sizeof(output));
434 		goto out;
435 	}
436 
437 	test_hash_sg_init(sg);
438 	for (i = 0; speed[i].blen != 0; i++) {
439 		if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
440 			printk(KERN_ERR
441 			       "template (%u) too big for tvmem (%lu)\n",
442 			       speed[i].blen, TVMEMSIZE * PAGE_SIZE);
443 			goto out;
444 		}
445 
446 		if (speed[i].klen)
447 			crypto_hash_setkey(tfm, tvmem[0], speed[i].klen);
448 
449 		printk(KERN_INFO "test%3u "
450 		       "(%5u byte blocks,%5u bytes per update,%4u updates): ",
451 		       i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
452 
453 		if (sec)
454 			ret = test_hash_jiffies(&desc, sg, speed[i].blen,
455 						speed[i].plen, output, sec);
456 		else
457 			ret = test_hash_cycles(&desc, sg, speed[i].blen,
458 					       speed[i].plen, output);
459 
460 		if (ret) {
461 			printk(KERN_ERR "hashing failed ret=%d\n", ret);
462 			break;
463 		}
464 	}
465 
466 out:
467 	crypto_free_hash(tfm);
468 }
469 
470 struct tcrypt_result {
471 	struct completion completion;
472 	int err;
473 };
474 
475 static void tcrypt_complete(struct crypto_async_request *req, int err)
476 {
477 	struct tcrypt_result *res = req->data;
478 
479 	if (err == -EINPROGRESS)
480 		return;
481 
482 	res->err = err;
483 	complete(&res->completion);
484 }
485 
486 static inline int do_one_ahash_op(struct ahash_request *req, int ret)
487 {
488 	if (ret == -EINPROGRESS || ret == -EBUSY) {
489 		struct tcrypt_result *tr = req->base.data;
490 
491 		ret = wait_for_completion_interruptible(&tr->completion);
492 		if (!ret)
493 			ret = tr->err;
494 		INIT_COMPLETION(tr->completion);
495 	}
496 	return ret;
497 }
498 
499 static int test_ahash_jiffies_digest(struct ahash_request *req, int blen,
500 				     char *out, int sec)
501 {
502 	unsigned long start, end;
503 	int bcount;
504 	int ret;
505 
506 	for (start = jiffies, end = start + sec * HZ, bcount = 0;
507 	     time_before(jiffies, end); bcount++) {
508 		ret = do_one_ahash_op(req, crypto_ahash_digest(req));
509 		if (ret)
510 			return ret;
511 	}
512 
513 	printk("%6u opers/sec, %9lu bytes/sec\n",
514 	       bcount / sec, ((long)bcount * blen) / sec);
515 
516 	return 0;
517 }
518 
519 static int test_ahash_jiffies(struct ahash_request *req, int blen,
520 			      int plen, char *out, int sec)
521 {
522 	unsigned long start, end;
523 	int bcount, pcount;
524 	int ret;
525 
526 	if (plen == blen)
527 		return test_ahash_jiffies_digest(req, blen, out, sec);
528 
529 	for (start = jiffies, end = start + sec * HZ, bcount = 0;
530 	     time_before(jiffies, end); bcount++) {
531 		ret = crypto_ahash_init(req);
532 		if (ret)
533 			return ret;
534 		for (pcount = 0; pcount < blen; pcount += plen) {
535 			ret = do_one_ahash_op(req, crypto_ahash_update(req));
536 			if (ret)
537 				return ret;
538 		}
539 		/* we assume there is enough space in 'out' for the result */
540 		ret = do_one_ahash_op(req, crypto_ahash_final(req));
541 		if (ret)
542 			return ret;
543 	}
544 
545 	pr_cont("%6u opers/sec, %9lu bytes/sec\n",
546 		bcount / sec, ((long)bcount * blen) / sec);
547 
548 	return 0;
549 }
550 
551 static int test_ahash_cycles_digest(struct ahash_request *req, int blen,
552 				    char *out)
553 {
554 	unsigned long cycles = 0;
555 	int ret, i;
556 
557 	/* Warm-up run. */
558 	for (i = 0; i < 4; i++) {
559 		ret = do_one_ahash_op(req, crypto_ahash_digest(req));
560 		if (ret)
561 			goto out;
562 	}
563 
564 	/* The real thing. */
565 	for (i = 0; i < 8; i++) {
566 		cycles_t start, end;
567 
568 		start = get_cycles();
569 
570 		ret = do_one_ahash_op(req, crypto_ahash_digest(req));
571 		if (ret)
572 			goto out;
573 
574 		end = get_cycles();
575 
576 		cycles += end - start;
577 	}
578 
579 out:
580 	if (ret)
581 		return ret;
582 
583 	pr_cont("%6lu cycles/operation, %4lu cycles/byte\n",
584 		cycles / 8, cycles / (8 * blen));
585 
586 	return 0;
587 }
588 
589 static int test_ahash_cycles(struct ahash_request *req, int blen,
590 			     int plen, char *out)
591 {
592 	unsigned long cycles = 0;
593 	int i, pcount, ret;
594 
595 	if (plen == blen)
596 		return test_ahash_cycles_digest(req, blen, out);
597 
598 	/* Warm-up run. */
599 	for (i = 0; i < 4; i++) {
600 		ret = crypto_ahash_init(req);
601 		if (ret)
602 			goto out;
603 		for (pcount = 0; pcount < blen; pcount += plen) {
604 			ret = do_one_ahash_op(req, crypto_ahash_update(req));
605 			if (ret)
606 				goto out;
607 		}
608 		ret = do_one_ahash_op(req, crypto_ahash_final(req));
609 		if (ret)
610 			goto out;
611 	}
612 
613 	/* The real thing. */
614 	for (i = 0; i < 8; i++) {
615 		cycles_t start, end;
616 
617 		start = get_cycles();
618 
619 		ret = crypto_ahash_init(req);
620 		if (ret)
621 			goto out;
622 		for (pcount = 0; pcount < blen; pcount += plen) {
623 			ret = do_one_ahash_op(req, crypto_ahash_update(req));
624 			if (ret)
625 				goto out;
626 		}
627 		ret = do_one_ahash_op(req, crypto_ahash_final(req));
628 		if (ret)
629 			goto out;
630 
631 		end = get_cycles();
632 
633 		cycles += end - start;
634 	}
635 
636 out:
637 	if (ret)
638 		return ret;
639 
640 	pr_cont("%6lu cycles/operation, %4lu cycles/byte\n",
641 		cycles / 8, cycles / (8 * blen));
642 
643 	return 0;
644 }
645 
646 static void test_ahash_speed(const char *algo, unsigned int sec,
647 			     struct hash_speed *speed)
648 {
649 	struct scatterlist sg[TVMEMSIZE];
650 	struct tcrypt_result tresult;
651 	struct ahash_request *req;
652 	struct crypto_ahash *tfm;
653 	static char output[1024];
654 	int i, ret;
655 
656 	printk(KERN_INFO "\ntesting speed of async %s\n", algo);
657 
658 	tfm = crypto_alloc_ahash(algo, 0, 0);
659 	if (IS_ERR(tfm)) {
660 		pr_err("failed to load transform for %s: %ld\n",
661 		       algo, PTR_ERR(tfm));
662 		return;
663 	}
664 
665 	if (crypto_ahash_digestsize(tfm) > sizeof(output)) {
666 		pr_err("digestsize(%u) > outputbuffer(%zu)\n",
667 		       crypto_ahash_digestsize(tfm), sizeof(output));
668 		goto out;
669 	}
670 
671 	test_hash_sg_init(sg);
672 	req = ahash_request_alloc(tfm, GFP_KERNEL);
673 	if (!req) {
674 		pr_err("ahash request allocation failure\n");
675 		goto out;
676 	}
677 
678 	init_completion(&tresult.completion);
679 	ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
680 				   tcrypt_complete, &tresult);
681 
682 	for (i = 0; speed[i].blen != 0; i++) {
683 		if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
684 			pr_err("template (%u) too big for tvmem (%lu)\n",
685 			       speed[i].blen, TVMEMSIZE * PAGE_SIZE);
686 			break;
687 		}
688 
689 		pr_info("test%3u "
690 			"(%5u byte blocks,%5u bytes per update,%4u updates): ",
691 			i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
692 
693 		ahash_request_set_crypt(req, sg, output, speed[i].plen);
694 
695 		if (sec)
696 			ret = test_ahash_jiffies(req, speed[i].blen,
697 						 speed[i].plen, output, sec);
698 		else
699 			ret = test_ahash_cycles(req, speed[i].blen,
700 						speed[i].plen, output);
701 
702 		if (ret) {
703 			pr_err("hashing failed ret=%d\n", ret);
704 			break;
705 		}
706 	}
707 
708 	ahash_request_free(req);
709 
710 out:
711 	crypto_free_ahash(tfm);
712 }
713 
714 static void test_available(void)
715 {
716 	char **name = check;
717 
718 	while (*name) {
719 		printk("alg %s ", *name);
720 		printk(crypto_has_alg(*name, 0, 0) ?
721 		       "found\n" : "not found\n");
722 		name++;
723 	}
724 }
725 
726 static inline int tcrypt_test(const char *alg)
727 {
728 	int ret;
729 
730 	ret = alg_test(alg, alg, 0, 0);
731 	/* non-fips algs return -EINVAL in fips mode */
732 	if (fips_enabled && ret == -EINVAL)
733 		ret = 0;
734 	return ret;
735 }
736 
737 static int do_test(int m)
738 {
739 	int i;
740 	int ret = 0;
741 
742 	switch (m) {
743 	case 0:
744 		for (i = 1; i < 200; i++)
745 			ret += do_test(i);
746 		break;
747 
748 	case 1:
749 		ret += tcrypt_test("md5");
750 		break;
751 
752 	case 2:
753 		ret += tcrypt_test("sha1");
754 		break;
755 
756 	case 3:
757 		ret += tcrypt_test("ecb(des)");
758 		ret += tcrypt_test("cbc(des)");
759 		break;
760 
761 	case 4:
762 		ret += tcrypt_test("ecb(des3_ede)");
763 		ret += tcrypt_test("cbc(des3_ede)");
764 		break;
765 
766 	case 5:
767 		ret += tcrypt_test("md4");
768 		break;
769 
770 	case 6:
771 		ret += tcrypt_test("sha256");
772 		break;
773 
774 	case 7:
775 		ret += tcrypt_test("ecb(blowfish)");
776 		ret += tcrypt_test("cbc(blowfish)");
777 		break;
778 
779 	case 8:
780 		ret += tcrypt_test("ecb(twofish)");
781 		ret += tcrypt_test("cbc(twofish)");
782 		break;
783 
784 	case 9:
785 		ret += tcrypt_test("ecb(serpent)");
786 		break;
787 
788 	case 10:
789 		ret += tcrypt_test("ecb(aes)");
790 		ret += tcrypt_test("cbc(aes)");
791 		ret += tcrypt_test("lrw(aes)");
792 		ret += tcrypt_test("xts(aes)");
793 		ret += tcrypt_test("ctr(aes)");
794 		ret += tcrypt_test("rfc3686(ctr(aes))");
795 		break;
796 
797 	case 11:
798 		ret += tcrypt_test("sha384");
799 		break;
800 
801 	case 12:
802 		ret += tcrypt_test("sha512");
803 		break;
804 
805 	case 13:
806 		ret += tcrypt_test("deflate");
807 		break;
808 
809 	case 14:
810 		ret += tcrypt_test("ecb(cast5)");
811 		break;
812 
813 	case 15:
814 		ret += tcrypt_test("ecb(cast6)");
815 		break;
816 
817 	case 16:
818 		ret += tcrypt_test("ecb(arc4)");
819 		break;
820 
821 	case 17:
822 		ret += tcrypt_test("michael_mic");
823 		break;
824 
825 	case 18:
826 		ret += tcrypt_test("crc32c");
827 		break;
828 
829 	case 19:
830 		ret += tcrypt_test("ecb(tea)");
831 		break;
832 
833 	case 20:
834 		ret += tcrypt_test("ecb(xtea)");
835 		break;
836 
837 	case 21:
838 		ret += tcrypt_test("ecb(khazad)");
839 		break;
840 
841 	case 22:
842 		ret += tcrypt_test("wp512");
843 		break;
844 
845 	case 23:
846 		ret += tcrypt_test("wp384");
847 		break;
848 
849 	case 24:
850 		ret += tcrypt_test("wp256");
851 		break;
852 
853 	case 25:
854 		ret += tcrypt_test("ecb(tnepres)");
855 		break;
856 
857 	case 26:
858 		ret += tcrypt_test("ecb(anubis)");
859 		ret += tcrypt_test("cbc(anubis)");
860 		break;
861 
862 	case 27:
863 		ret += tcrypt_test("tgr192");
864 		break;
865 
866 	case 28:
867 
868 		ret += tcrypt_test("tgr160");
869 		break;
870 
871 	case 29:
872 		ret += tcrypt_test("tgr128");
873 		break;
874 
875 	case 30:
876 		ret += tcrypt_test("ecb(xeta)");
877 		break;
878 
879 	case 31:
880 		ret += tcrypt_test("pcbc(fcrypt)");
881 		break;
882 
883 	case 32:
884 		ret += tcrypt_test("ecb(camellia)");
885 		ret += tcrypt_test("cbc(camellia)");
886 		break;
887 	case 33:
888 		ret += tcrypt_test("sha224");
889 		break;
890 
891 	case 34:
892 		ret += tcrypt_test("salsa20");
893 		break;
894 
895 	case 35:
896 		ret += tcrypt_test("gcm(aes)");
897 		break;
898 
899 	case 36:
900 		ret += tcrypt_test("lzo");
901 		break;
902 
903 	case 37:
904 		ret += tcrypt_test("ccm(aes)");
905 		break;
906 
907 	case 38:
908 		ret += tcrypt_test("cts(cbc(aes))");
909 		break;
910 
911         case 39:
912 		ret += tcrypt_test("rmd128");
913 		break;
914 
915         case 40:
916 		ret += tcrypt_test("rmd160");
917 		break;
918 
919 	case 41:
920 		ret += tcrypt_test("rmd256");
921 		break;
922 
923 	case 42:
924 		ret += tcrypt_test("rmd320");
925 		break;
926 
927 	case 43:
928 		ret += tcrypt_test("ecb(seed)");
929 		break;
930 
931 	case 44:
932 		ret += tcrypt_test("zlib");
933 		break;
934 
935 	case 45:
936 		ret += tcrypt_test("rfc4309(ccm(aes))");
937 		break;
938 
939 	case 100:
940 		ret += tcrypt_test("hmac(md5)");
941 		break;
942 
943 	case 101:
944 		ret += tcrypt_test("hmac(sha1)");
945 		break;
946 
947 	case 102:
948 		ret += tcrypt_test("hmac(sha256)");
949 		break;
950 
951 	case 103:
952 		ret += tcrypt_test("hmac(sha384)");
953 		break;
954 
955 	case 104:
956 		ret += tcrypt_test("hmac(sha512)");
957 		break;
958 
959 	case 105:
960 		ret += tcrypt_test("hmac(sha224)");
961 		break;
962 
963 	case 106:
964 		ret += tcrypt_test("xcbc(aes)");
965 		break;
966 
967 	case 107:
968 		ret += tcrypt_test("hmac(rmd128)");
969 		break;
970 
971 	case 108:
972 		ret += tcrypt_test("hmac(rmd160)");
973 		break;
974 
975 	case 109:
976 		ret += tcrypt_test("vmac(aes)");
977 		break;
978 
979 	case 150:
980 		ret += tcrypt_test("ansi_cprng");
981 		break;
982 
983 	case 200:
984 		test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0,
985 				speed_template_16_24_32);
986 		test_cipher_speed("ecb(aes)", DECRYPT, sec, NULL, 0,
987 				speed_template_16_24_32);
988 		test_cipher_speed("cbc(aes)", ENCRYPT, sec, NULL, 0,
989 				speed_template_16_24_32);
990 		test_cipher_speed("cbc(aes)", DECRYPT, sec, NULL, 0,
991 				speed_template_16_24_32);
992 		test_cipher_speed("lrw(aes)", ENCRYPT, sec, NULL, 0,
993 				speed_template_32_40_48);
994 		test_cipher_speed("lrw(aes)", DECRYPT, sec, NULL, 0,
995 				speed_template_32_40_48);
996 		test_cipher_speed("xts(aes)", ENCRYPT, sec, NULL, 0,
997 				speed_template_32_48_64);
998 		test_cipher_speed("xts(aes)", DECRYPT, sec, NULL, 0,
999 				speed_template_32_48_64);
1000 		break;
1001 
1002 	case 201:
1003 		test_cipher_speed("ecb(des3_ede)", ENCRYPT, sec,
1004 				des3_speed_template, DES3_SPEED_VECTORS,
1005 				speed_template_24);
1006 		test_cipher_speed("ecb(des3_ede)", DECRYPT, sec,
1007 				des3_speed_template, DES3_SPEED_VECTORS,
1008 				speed_template_24);
1009 		test_cipher_speed("cbc(des3_ede)", ENCRYPT, sec,
1010 				des3_speed_template, DES3_SPEED_VECTORS,
1011 				speed_template_24);
1012 		test_cipher_speed("cbc(des3_ede)", DECRYPT, sec,
1013 				des3_speed_template, DES3_SPEED_VECTORS,
1014 				speed_template_24);
1015 		break;
1016 
1017 	case 202:
1018 		test_cipher_speed("ecb(twofish)", ENCRYPT, sec, NULL, 0,
1019 				speed_template_16_24_32);
1020 		test_cipher_speed("ecb(twofish)", DECRYPT, sec, NULL, 0,
1021 				speed_template_16_24_32);
1022 		test_cipher_speed("cbc(twofish)", ENCRYPT, sec, NULL, 0,
1023 				speed_template_16_24_32);
1024 		test_cipher_speed("cbc(twofish)", DECRYPT, sec, NULL, 0,
1025 				speed_template_16_24_32);
1026 		break;
1027 
1028 	case 203:
1029 		test_cipher_speed("ecb(blowfish)", ENCRYPT, sec, NULL, 0,
1030 				  speed_template_8_32);
1031 		test_cipher_speed("ecb(blowfish)", DECRYPT, sec, NULL, 0,
1032 				  speed_template_8_32);
1033 		test_cipher_speed("cbc(blowfish)", ENCRYPT, sec, NULL, 0,
1034 				  speed_template_8_32);
1035 		test_cipher_speed("cbc(blowfish)", DECRYPT, sec, NULL, 0,
1036 				  speed_template_8_32);
1037 		break;
1038 
1039 	case 204:
1040 		test_cipher_speed("ecb(des)", ENCRYPT, sec, NULL, 0,
1041 				  speed_template_8);
1042 		test_cipher_speed("ecb(des)", DECRYPT, sec, NULL, 0,
1043 				  speed_template_8);
1044 		test_cipher_speed("cbc(des)", ENCRYPT, sec, NULL, 0,
1045 				  speed_template_8);
1046 		test_cipher_speed("cbc(des)", DECRYPT, sec, NULL, 0,
1047 				  speed_template_8);
1048 		break;
1049 
1050 	case 205:
1051 		test_cipher_speed("ecb(camellia)", ENCRYPT, sec, NULL, 0,
1052 				speed_template_16_24_32);
1053 		test_cipher_speed("ecb(camellia)", DECRYPT, sec, NULL, 0,
1054 				speed_template_16_24_32);
1055 		test_cipher_speed("cbc(camellia)", ENCRYPT, sec, NULL, 0,
1056 				speed_template_16_24_32);
1057 		test_cipher_speed("cbc(camellia)", DECRYPT, sec, NULL, 0,
1058 				speed_template_16_24_32);
1059 		break;
1060 
1061 	case 206:
1062 		test_cipher_speed("salsa20", ENCRYPT, sec, NULL, 0,
1063 				  speed_template_16_32);
1064 		break;
1065 
1066 	case 300:
1067 		/* fall through */
1068 
1069 	case 301:
1070 		test_hash_speed("md4", sec, generic_hash_speed_template);
1071 		if (mode > 300 && mode < 400) break;
1072 
1073 	case 302:
1074 		test_hash_speed("md5", sec, generic_hash_speed_template);
1075 		if (mode > 300 && mode < 400) break;
1076 
1077 	case 303:
1078 		test_hash_speed("sha1", sec, generic_hash_speed_template);
1079 		if (mode > 300 && mode < 400) break;
1080 
1081 	case 304:
1082 		test_hash_speed("sha256", sec, generic_hash_speed_template);
1083 		if (mode > 300 && mode < 400) break;
1084 
1085 	case 305:
1086 		test_hash_speed("sha384", sec, generic_hash_speed_template);
1087 		if (mode > 300 && mode < 400) break;
1088 
1089 	case 306:
1090 		test_hash_speed("sha512", sec, generic_hash_speed_template);
1091 		if (mode > 300 && mode < 400) break;
1092 
1093 	case 307:
1094 		test_hash_speed("wp256", sec, generic_hash_speed_template);
1095 		if (mode > 300 && mode < 400) break;
1096 
1097 	case 308:
1098 		test_hash_speed("wp384", sec, generic_hash_speed_template);
1099 		if (mode > 300 && mode < 400) break;
1100 
1101 	case 309:
1102 		test_hash_speed("wp512", sec, generic_hash_speed_template);
1103 		if (mode > 300 && mode < 400) break;
1104 
1105 	case 310:
1106 		test_hash_speed("tgr128", sec, generic_hash_speed_template);
1107 		if (mode > 300 && mode < 400) break;
1108 
1109 	case 311:
1110 		test_hash_speed("tgr160", sec, generic_hash_speed_template);
1111 		if (mode > 300 && mode < 400) break;
1112 
1113 	case 312:
1114 		test_hash_speed("tgr192", sec, generic_hash_speed_template);
1115 		if (mode > 300 && mode < 400) break;
1116 
1117 	case 313:
1118 		test_hash_speed("sha224", sec, generic_hash_speed_template);
1119 		if (mode > 300 && mode < 400) break;
1120 
1121 	case 314:
1122 		test_hash_speed("rmd128", sec, generic_hash_speed_template);
1123 		if (mode > 300 && mode < 400) break;
1124 
1125 	case 315:
1126 		test_hash_speed("rmd160", sec, generic_hash_speed_template);
1127 		if (mode > 300 && mode < 400) break;
1128 
1129 	case 316:
1130 		test_hash_speed("rmd256", sec, generic_hash_speed_template);
1131 		if (mode > 300 && mode < 400) break;
1132 
1133 	case 317:
1134 		test_hash_speed("rmd320", sec, generic_hash_speed_template);
1135 		if (mode > 300 && mode < 400) break;
1136 
1137 	case 318:
1138 		test_hash_speed("ghash-generic", sec, hash_speed_template_16);
1139 		if (mode > 300 && mode < 400) break;
1140 
1141 	case 399:
1142 		break;
1143 
1144 	case 400:
1145 		/* fall through */
1146 
1147 	case 401:
1148 		test_ahash_speed("md4", sec, generic_hash_speed_template);
1149 		if (mode > 400 && mode < 500) break;
1150 
1151 	case 402:
1152 		test_ahash_speed("md5", sec, generic_hash_speed_template);
1153 		if (mode > 400 && mode < 500) break;
1154 
1155 	case 403:
1156 		test_ahash_speed("sha1", sec, generic_hash_speed_template);
1157 		if (mode > 400 && mode < 500) break;
1158 
1159 	case 404:
1160 		test_ahash_speed("sha256", sec, generic_hash_speed_template);
1161 		if (mode > 400 && mode < 500) break;
1162 
1163 	case 405:
1164 		test_ahash_speed("sha384", sec, generic_hash_speed_template);
1165 		if (mode > 400 && mode < 500) break;
1166 
1167 	case 406:
1168 		test_ahash_speed("sha512", sec, generic_hash_speed_template);
1169 		if (mode > 400 && mode < 500) break;
1170 
1171 	case 407:
1172 		test_ahash_speed("wp256", sec, generic_hash_speed_template);
1173 		if (mode > 400 && mode < 500) break;
1174 
1175 	case 408:
1176 		test_ahash_speed("wp384", sec, generic_hash_speed_template);
1177 		if (mode > 400 && mode < 500) break;
1178 
1179 	case 409:
1180 		test_ahash_speed("wp512", sec, generic_hash_speed_template);
1181 		if (mode > 400 && mode < 500) break;
1182 
1183 	case 410:
1184 		test_ahash_speed("tgr128", sec, generic_hash_speed_template);
1185 		if (mode > 400 && mode < 500) break;
1186 
1187 	case 411:
1188 		test_ahash_speed("tgr160", sec, generic_hash_speed_template);
1189 		if (mode > 400 && mode < 500) break;
1190 
1191 	case 412:
1192 		test_ahash_speed("tgr192", sec, generic_hash_speed_template);
1193 		if (mode > 400 && mode < 500) break;
1194 
1195 	case 413:
1196 		test_ahash_speed("sha224", sec, generic_hash_speed_template);
1197 		if (mode > 400 && mode < 500) break;
1198 
1199 	case 414:
1200 		test_ahash_speed("rmd128", sec, generic_hash_speed_template);
1201 		if (mode > 400 && mode < 500) break;
1202 
1203 	case 415:
1204 		test_ahash_speed("rmd160", sec, generic_hash_speed_template);
1205 		if (mode > 400 && mode < 500) break;
1206 
1207 	case 416:
1208 		test_ahash_speed("rmd256", sec, generic_hash_speed_template);
1209 		if (mode > 400 && mode < 500) break;
1210 
1211 	case 417:
1212 		test_ahash_speed("rmd320", sec, generic_hash_speed_template);
1213 		if (mode > 400 && mode < 500) break;
1214 
1215 	case 499:
1216 		break;
1217 
1218 	case 1000:
1219 		test_available();
1220 		break;
1221 	}
1222 
1223 	return ret;
1224 }
1225 
1226 static int do_alg_test(const char *alg, u32 type, u32 mask)
1227 {
1228 	return crypto_has_alg(alg, type, mask ?: CRYPTO_ALG_TYPE_MASK) ?
1229 	       0 : -ENOENT;
1230 }
1231 
1232 static int __init tcrypt_mod_init(void)
1233 {
1234 	int err = -ENOMEM;
1235 	int i;
1236 
1237 	for (i = 0; i < TVMEMSIZE; i++) {
1238 		tvmem[i] = (void *)__get_free_page(GFP_KERNEL);
1239 		if (!tvmem[i])
1240 			goto err_free_tv;
1241 	}
1242 
1243 	if (alg)
1244 		err = do_alg_test(alg, type, mask);
1245 	else
1246 		err = do_test(mode);
1247 
1248 	if (err) {
1249 		printk(KERN_ERR "tcrypt: one or more tests failed!\n");
1250 		goto err_free_tv;
1251 	}
1252 
1253 	/* We intentionaly return -EAGAIN to prevent keeping the module,
1254 	 * unless we're running in fips mode. It does all its work from
1255 	 * init() and doesn't offer any runtime functionality, but in
1256 	 * the fips case, checking for a successful load is helpful.
1257 	 * => we don't need it in the memory, do we?
1258 	 *                                        -- mludvig
1259 	 */
1260 	if (!fips_enabled)
1261 		err = -EAGAIN;
1262 
1263 err_free_tv:
1264 	for (i = 0; i < TVMEMSIZE && tvmem[i]; i++)
1265 		free_page((unsigned long)tvmem[i]);
1266 
1267 	return err;
1268 }
1269 
1270 /*
1271  * If an init function is provided, an exit function must also be provided
1272  * to allow module unload.
1273  */
1274 static void __exit tcrypt_mod_fini(void) { }
1275 
1276 module_init(tcrypt_mod_init);
1277 module_exit(tcrypt_mod_fini);
1278 
1279 module_param(alg, charp, 0);
1280 module_param(type, uint, 0);
1281 module_param(mask, uint, 0);
1282 module_param(mode, int, 0);
1283 module_param(sec, uint, 0);
1284 MODULE_PARM_DESC(sec, "Length in seconds of speed tests "
1285 		      "(defaults to zero which uses CPU cycles instead)");
1286 
1287 MODULE_LICENSE("GPL");
1288 MODULE_DESCRIPTION("Quick & dirty crypto testing module");
1289 MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");
1290