xref: /openbmc/linux/crypto/tcrypt.c (revision d5cb9783536a41df9f9cba5b0a1d78047ed787f7)
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/init.h>
21 #include <linux/module.h>
22 #include <linux/mm.h>
23 #include <linux/slab.h>
24 #include <linux/scatterlist.h>
25 #include <linux/string.h>
26 #include <linux/crypto.h>
27 #include <linux/highmem.h>
28 #include <linux/moduleparam.h>
29 #include <linux/jiffies.h>
30 #include <linux/timex.h>
31 #include <linux/interrupt.h>
32 #include "tcrypt.h"
33 
34 /*
35  * Need to kmalloc() memory for testing kmap().
36  */
37 #define TVMEMSIZE	16384
38 #define XBUFSIZE	32768
39 
40 /*
41  * Indexes into the xbuf to simulate cross-page access.
42  */
43 #define IDX1		37
44 #define IDX2		32400
45 #define IDX3		1
46 #define IDX4		8193
47 #define IDX5		22222
48 #define IDX6		17101
49 #define IDX7		27333
50 #define IDX8		3000
51 
52 /*
53 * Used by test_cipher()
54 */
55 #define ENCRYPT 1
56 #define DECRYPT 0
57 #define MODE_ECB 1
58 #define MODE_CBC 0
59 
60 static unsigned int IDX[8] = { IDX1, IDX2, IDX3, IDX4, IDX5, IDX6, IDX7, IDX8 };
61 
62 /*
63  * Used by test_cipher_speed()
64  */
65 static unsigned int sec;
66 
67 static int mode;
68 static char *xbuf;
69 static char *tvmem;
70 
71 static char *check[] = {
72 	"des", "md5", "des3_ede", "rot13", "sha1", "sha256", "blowfish",
73 	"twofish", "serpent", "sha384", "sha512", "md4", "aes", "cast6",
74 	"arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
75 	"khazad", "wp512", "wp384", "wp256", "tnepres", "xeta", NULL
76 };
77 
78 static void hexdump(unsigned char *buf, unsigned int len)
79 {
80 	while (len--)
81 		printk("%02x", *buf++);
82 
83 	printk("\n");
84 }
85 
86 static void test_hash(char *algo, struct hash_testvec *template,
87 		      unsigned int tcount)
88 {
89 	unsigned int i, j, k, temp;
90 	struct scatterlist sg[8];
91 	char result[64];
92 	struct crypto_tfm *tfm;
93 	struct hash_testvec *hash_tv;
94 	unsigned int tsize;
95 
96 	printk("\ntesting %s\n", algo);
97 
98 	tsize = sizeof(struct hash_testvec);
99 	tsize *= tcount;
100 
101 	if (tsize > TVMEMSIZE) {
102 		printk("template (%u) too big for tvmem (%u)\n", tsize, TVMEMSIZE);
103 		return;
104 	}
105 
106 	memcpy(tvmem, template, tsize);
107 	hash_tv = (void *)tvmem;
108 	tfm = crypto_alloc_tfm(algo, 0);
109 	if (tfm == NULL) {
110 		printk("failed to load transform for %s\n", algo);
111 		return;
112 	}
113 
114 	for (i = 0; i < tcount; i++) {
115 		printk("test %u:\n", i + 1);
116 		memset(result, 0, 64);
117 
118 		sg_set_buf(&sg[0], hash_tv[i].plaintext, hash_tv[i].psize);
119 
120 		crypto_digest_init(tfm);
121 		if (tfm->crt_u.digest.dit_setkey) {
122 			crypto_digest_setkey(tfm, hash_tv[i].key,
123 					     hash_tv[i].ksize);
124 		}
125 		crypto_digest_update(tfm, sg, 1);
126 		crypto_digest_final(tfm, result);
127 
128 		hexdump(result, crypto_tfm_alg_digestsize(tfm));
129 		printk("%s\n",
130 		       memcmp(result, hash_tv[i].digest,
131 			      crypto_tfm_alg_digestsize(tfm)) ?
132 		       "fail" : "pass");
133 	}
134 
135 	printk("testing %s across pages\n", algo);
136 
137 	/* setup the dummy buffer first */
138 	memset(xbuf, 0, XBUFSIZE);
139 
140 	j = 0;
141 	for (i = 0; i < tcount; i++) {
142 		if (hash_tv[i].np) {
143 			j++;
144 			printk("test %u:\n", j);
145 			memset(result, 0, 64);
146 
147 			temp = 0;
148 			for (k = 0; k < hash_tv[i].np; k++) {
149 				memcpy(&xbuf[IDX[k]],
150 				       hash_tv[i].plaintext + temp,
151 				       hash_tv[i].tap[k]);
152 				temp += hash_tv[i].tap[k];
153 				sg_set_buf(&sg[k], &xbuf[IDX[k]],
154 					    hash_tv[i].tap[k]);
155 			}
156 
157 			crypto_digest_digest(tfm, sg, hash_tv[i].np, result);
158 
159 			hexdump(result, crypto_tfm_alg_digestsize(tfm));
160 			printk("%s\n",
161 			       memcmp(result, hash_tv[i].digest,
162 				      crypto_tfm_alg_digestsize(tfm)) ?
163 			       "fail" : "pass");
164 		}
165 	}
166 
167 	crypto_free_tfm(tfm);
168 }
169 
170 
171 #ifdef CONFIG_CRYPTO_HMAC
172 
173 static void test_hmac(char *algo, struct hmac_testvec *template,
174 		      unsigned int tcount)
175 {
176 	unsigned int i, j, k, temp;
177 	struct scatterlist sg[8];
178 	char result[64];
179 	struct crypto_tfm *tfm;
180 	struct hmac_testvec *hmac_tv;
181 	unsigned int tsize, klen;
182 
183 	tfm = crypto_alloc_tfm(algo, 0);
184 	if (tfm == NULL) {
185 		printk("failed to load transform for %s\n", algo);
186 		return;
187 	}
188 
189 	printk("\ntesting hmac_%s\n", algo);
190 
191 	tsize = sizeof(struct hmac_testvec);
192 	tsize *= tcount;
193 	if (tsize > TVMEMSIZE) {
194 		printk("template (%u) too big for tvmem (%u)\n", tsize,
195 		       TVMEMSIZE);
196 		goto out;
197 	}
198 
199 	memcpy(tvmem, template, tsize);
200 	hmac_tv = (void *)tvmem;
201 
202 	for (i = 0; i < tcount; i++) {
203 		printk("test %u:\n", i + 1);
204 		memset(result, 0, sizeof (result));
205 
206 		klen = hmac_tv[i].ksize;
207 		sg_set_buf(&sg[0], hmac_tv[i].plaintext, hmac_tv[i].psize);
208 
209 		crypto_hmac(tfm, hmac_tv[i].key, &klen, sg, 1, result);
210 
211 		hexdump(result, crypto_tfm_alg_digestsize(tfm));
212 		printk("%s\n",
213 		       memcmp(result, hmac_tv[i].digest,
214 			      crypto_tfm_alg_digestsize(tfm)) ? "fail" :
215 		       "pass");
216 	}
217 
218 	printk("\ntesting hmac_%s across pages\n", algo);
219 
220 	memset(xbuf, 0, XBUFSIZE);
221 
222 	j = 0;
223 	for (i = 0; i < tcount; i++) {
224 		if (hmac_tv[i].np) {
225 			j++;
226 			printk("test %u:\n",j);
227 			memset(result, 0, 64);
228 
229 			temp = 0;
230 			klen = hmac_tv[i].ksize;
231 			for (k = 0; k < hmac_tv[i].np; k++) {
232 				memcpy(&xbuf[IDX[k]],
233 				       hmac_tv[i].plaintext + temp,
234 				       hmac_tv[i].tap[k]);
235 				temp += hmac_tv[i].tap[k];
236 				sg_set_buf(&sg[k], &xbuf[IDX[k]],
237 					    hmac_tv[i].tap[k]);
238 			}
239 
240 			crypto_hmac(tfm, hmac_tv[i].key, &klen, sg,
241 				    hmac_tv[i].np, result);
242 			hexdump(result, crypto_tfm_alg_digestsize(tfm));
243 
244 			printk("%s\n",
245 			       memcmp(result, hmac_tv[i].digest,
246 				      crypto_tfm_alg_digestsize(tfm)) ?
247 			       "fail" : "pass");
248 		}
249 	}
250 out:
251 	crypto_free_tfm(tfm);
252 }
253 
254 #endif	/* CONFIG_CRYPTO_HMAC */
255 
256 static void test_cipher(char *algo, int mode, int enc,
257 			struct cipher_testvec *template, unsigned int tcount)
258 {
259 	unsigned int ret, i, j, k, temp;
260 	unsigned int tsize;
261 	char *q;
262 	struct crypto_tfm *tfm;
263 	char *key;
264 	struct cipher_testvec *cipher_tv;
265 	struct scatterlist sg[8];
266 	const char *e, *m;
267 
268 	if (enc == ENCRYPT)
269 	        e = "encryption";
270 	else
271 		e = "decryption";
272 	if (mode == MODE_ECB)
273 		m = "ECB";
274 	else
275 		m = "CBC";
276 
277 	printk("\ntesting %s %s %s\n", algo, m, e);
278 
279 	tsize = sizeof (struct cipher_testvec);
280 	tsize *= tcount;
281 
282 	if (tsize > TVMEMSIZE) {
283 		printk("template (%u) too big for tvmem (%u)\n", tsize,
284 		       TVMEMSIZE);
285 		return;
286 	}
287 
288 	memcpy(tvmem, template, tsize);
289 	cipher_tv = (void *)tvmem;
290 
291 	if (mode)
292 		tfm = crypto_alloc_tfm(algo, 0);
293 	else
294 		tfm = crypto_alloc_tfm(algo, CRYPTO_TFM_MODE_CBC);
295 
296 	if (tfm == NULL) {
297 		printk("failed to load transform for %s %s\n", algo, m);
298 		return;
299 	}
300 
301 	j = 0;
302 	for (i = 0; i < tcount; i++) {
303 		if (!(cipher_tv[i].np)) {
304 			j++;
305 			printk("test %u (%d bit key):\n",
306 			j, cipher_tv[i].klen * 8);
307 
308 			tfm->crt_flags = 0;
309 			if (cipher_tv[i].wk)
310 				tfm->crt_flags |= CRYPTO_TFM_REQ_WEAK_KEY;
311 			key = cipher_tv[i].key;
312 
313 			ret = crypto_cipher_setkey(tfm, key, cipher_tv[i].klen);
314 			if (ret) {
315 				printk("setkey() failed flags=%x\n", tfm->crt_flags);
316 
317 				if (!cipher_tv[i].fail)
318 					goto out;
319 			}
320 
321 			sg_set_buf(&sg[0], cipher_tv[i].input,
322 				   cipher_tv[i].ilen);
323 
324 			if (!mode) {
325 				crypto_cipher_set_iv(tfm, cipher_tv[i].iv,
326 					crypto_tfm_alg_ivsize(tfm));
327 			}
328 
329 			if (enc)
330 				ret = crypto_cipher_encrypt(tfm, sg, sg, cipher_tv[i].ilen);
331 			else
332 				ret = crypto_cipher_decrypt(tfm, sg, sg, cipher_tv[i].ilen);
333 
334 
335 			if (ret) {
336 				printk("%s () failed flags=%x\n", e, tfm->crt_flags);
337 				goto out;
338 			}
339 
340 			q = kmap(sg[0].page) + sg[0].offset;
341 			hexdump(q, cipher_tv[i].rlen);
342 
343 			printk("%s\n",
344 			       memcmp(q, cipher_tv[i].result,
345 				      cipher_tv[i].rlen) ? "fail" : "pass");
346 		}
347 	}
348 
349 	printk("\ntesting %s %s %s across pages (chunking)\n", algo, m, e);
350 	memset(xbuf, 0, XBUFSIZE);
351 
352 	j = 0;
353 	for (i = 0; i < tcount; i++) {
354 		if (cipher_tv[i].np) {
355 			j++;
356 			printk("test %u (%d bit key):\n",
357 			j, cipher_tv[i].klen * 8);
358 
359 			tfm->crt_flags = 0;
360 			if (cipher_tv[i].wk)
361 				tfm->crt_flags |= CRYPTO_TFM_REQ_WEAK_KEY;
362 			key = cipher_tv[i].key;
363 
364 			ret = crypto_cipher_setkey(tfm, key, cipher_tv[i].klen);
365 			if (ret) {
366 				printk("setkey() failed flags=%x\n", tfm->crt_flags);
367 
368 				if (!cipher_tv[i].fail)
369 					goto out;
370 			}
371 
372 			temp = 0;
373 			for (k = 0; k < cipher_tv[i].np; k++) {
374 				memcpy(&xbuf[IDX[k]],
375 				       cipher_tv[i].input + temp,
376 				       cipher_tv[i].tap[k]);
377 				temp += cipher_tv[i].tap[k];
378 				sg_set_buf(&sg[k], &xbuf[IDX[k]],
379 					   cipher_tv[i].tap[k]);
380 			}
381 
382 			if (!mode) {
383 				crypto_cipher_set_iv(tfm, cipher_tv[i].iv,
384 						crypto_tfm_alg_ivsize(tfm));
385 			}
386 
387 			if (enc)
388 				ret = crypto_cipher_encrypt(tfm, sg, sg, cipher_tv[i].ilen);
389 			else
390 				ret = crypto_cipher_decrypt(tfm, sg, sg, cipher_tv[i].ilen);
391 
392 			if (ret) {
393 				printk("%s () failed flags=%x\n", e, tfm->crt_flags);
394 				goto out;
395 			}
396 
397 			temp = 0;
398 			for (k = 0; k < cipher_tv[i].np; k++) {
399 				printk("page %u\n", k);
400 				q = kmap(sg[k].page) + sg[k].offset;
401 				hexdump(q, cipher_tv[i].tap[k]);
402 				printk("%s\n",
403 					memcmp(q, cipher_tv[i].result + temp,
404 						cipher_tv[i].tap[k]) ? "fail" :
405 					"pass");
406 				temp += cipher_tv[i].tap[k];
407 			}
408 		}
409 	}
410 
411 out:
412 	crypto_free_tfm(tfm);
413 }
414 
415 static int test_cipher_jiffies(struct crypto_tfm *tfm, int enc, char *p,
416 			       int blen, int sec)
417 {
418 	struct scatterlist sg[1];
419 	unsigned long start, end;
420 	int bcount;
421 	int ret;
422 
423 	sg_set_buf(sg, p, blen);
424 
425 	for (start = jiffies, end = start + sec * HZ, bcount = 0;
426 	     time_before(jiffies, end); bcount++) {
427 		if (enc)
428 			ret = crypto_cipher_encrypt(tfm, sg, sg, blen);
429 		else
430 			ret = crypto_cipher_decrypt(tfm, sg, sg, blen);
431 
432 		if (ret)
433 			return ret;
434 	}
435 
436 	printk("%d operations in %d seconds (%ld bytes)\n",
437 	       bcount, sec, (long)bcount * blen);
438 	return 0;
439 }
440 
441 static int test_cipher_cycles(struct crypto_tfm *tfm, int enc, char *p,
442 			      int blen)
443 {
444 	struct scatterlist sg[1];
445 	unsigned long cycles = 0;
446 	int ret = 0;
447 	int i;
448 
449 	sg_set_buf(sg, p, blen);
450 
451 	local_bh_disable();
452 	local_irq_disable();
453 
454 	/* Warm-up run. */
455 	for (i = 0; i < 4; i++) {
456 		if (enc)
457 			ret = crypto_cipher_encrypt(tfm, sg, sg, blen);
458 		else
459 			ret = crypto_cipher_decrypt(tfm, sg, sg, blen);
460 
461 		if (ret)
462 			goto out;
463 	}
464 
465 	/* The real thing. */
466 	for (i = 0; i < 8; i++) {
467 		cycles_t start, end;
468 
469 		start = get_cycles();
470 		if (enc)
471 			ret = crypto_cipher_encrypt(tfm, sg, sg, blen);
472 		else
473 			ret = crypto_cipher_decrypt(tfm, sg, sg, blen);
474 		end = get_cycles();
475 
476 		if (ret)
477 			goto out;
478 
479 		cycles += end - start;
480 	}
481 
482 out:
483 	local_irq_enable();
484 	local_bh_enable();
485 
486 	if (ret == 0)
487 		printk("1 operation in %lu cycles (%d bytes)\n",
488 		       (cycles + 4) / 8, blen);
489 
490 	return ret;
491 }
492 
493 static void test_cipher_speed(char *algo, int mode, int enc, unsigned int sec,
494 			      struct cipher_testvec *template,
495 			      unsigned int tcount, struct cipher_speed *speed)
496 {
497 	unsigned int ret, i, j, iv_len;
498 	unsigned char *key, *p, iv[128];
499 	struct crypto_tfm *tfm;
500 	const char *e, *m;
501 
502 	if (enc == ENCRYPT)
503 	        e = "encryption";
504 	else
505 		e = "decryption";
506 	if (mode == MODE_ECB)
507 		m = "ECB";
508 	else
509 		m = "CBC";
510 
511 	printk("\ntesting speed of %s %s %s\n", algo, m, e);
512 
513 	if (mode)
514 		tfm = crypto_alloc_tfm(algo, 0);
515 	else
516 		tfm = crypto_alloc_tfm(algo, CRYPTO_TFM_MODE_CBC);
517 
518 	if (tfm == NULL) {
519 		printk("failed to load transform for %s %s\n", algo, m);
520 		return;
521 	}
522 
523 	for (i = 0; speed[i].klen != 0; i++) {
524 		if ((speed[i].blen + speed[i].klen) > TVMEMSIZE) {
525 			printk("template (%u) too big for tvmem (%u)\n",
526 			       speed[i].blen + speed[i].klen, TVMEMSIZE);
527 			goto out;
528 		}
529 
530 		printk("test %u (%d bit key, %d byte blocks): ", i,
531 		       speed[i].klen * 8, speed[i].blen);
532 
533 		memset(tvmem, 0xff, speed[i].klen + speed[i].blen);
534 
535 		/* set key, plain text and IV */
536 		key = (unsigned char *)tvmem;
537 		for (j = 0; j < tcount; j++) {
538 			if (template[j].klen == speed[i].klen) {
539 				key = template[j].key;
540 				break;
541 			}
542 		}
543 		p = (unsigned char *)tvmem + speed[i].klen;
544 
545 		ret = crypto_cipher_setkey(tfm, key, speed[i].klen);
546 		if (ret) {
547 			printk("setkey() failed flags=%x\n", tfm->crt_flags);
548 			goto out;
549 		}
550 
551 		if (!mode) {
552 			iv_len = crypto_tfm_alg_ivsize(tfm);
553 			memset(&iv, 0xff, iv_len);
554 			crypto_cipher_set_iv(tfm, iv, iv_len);
555 		}
556 
557 		if (sec)
558 			ret = test_cipher_jiffies(tfm, enc, p, speed[i].blen,
559 						  sec);
560 		else
561 			ret = test_cipher_cycles(tfm, enc, p, speed[i].blen);
562 
563 		if (ret) {
564 			printk("%s() failed flags=%x\n", e, tfm->crt_flags);
565 			break;
566 		}
567 	}
568 
569 out:
570 	crypto_free_tfm(tfm);
571 }
572 
573 static void test_deflate(void)
574 {
575 	unsigned int i;
576 	char result[COMP_BUF_SIZE];
577 	struct crypto_tfm *tfm;
578 	struct comp_testvec *tv;
579 	unsigned int tsize;
580 
581 	printk("\ntesting deflate compression\n");
582 
583 	tsize = sizeof (deflate_comp_tv_template);
584 	if (tsize > TVMEMSIZE) {
585 		printk("template (%u) too big for tvmem (%u)\n", tsize,
586 		       TVMEMSIZE);
587 		return;
588 	}
589 
590 	memcpy(tvmem, deflate_comp_tv_template, tsize);
591 	tv = (void *)tvmem;
592 
593 	tfm = crypto_alloc_tfm("deflate", 0);
594 	if (tfm == NULL) {
595 		printk("failed to load transform for deflate\n");
596 		return;
597 	}
598 
599 	for (i = 0; i < DEFLATE_COMP_TEST_VECTORS; i++) {
600 		int ilen, ret, dlen = COMP_BUF_SIZE;
601 
602 		printk("test %u:\n", i + 1);
603 		memset(result, 0, sizeof (result));
604 
605 		ilen = tv[i].inlen;
606 		ret = crypto_comp_compress(tfm, tv[i].input,
607 		                           ilen, result, &dlen);
608 		if (ret) {
609 			printk("fail: ret=%d\n", ret);
610 			continue;
611 		}
612 		hexdump(result, dlen);
613 		printk("%s (ratio %d:%d)\n",
614 		       memcmp(result, tv[i].output, dlen) ? "fail" : "pass",
615 		       ilen, dlen);
616 	}
617 
618 	printk("\ntesting deflate decompression\n");
619 
620 	tsize = sizeof (deflate_decomp_tv_template);
621 	if (tsize > TVMEMSIZE) {
622 		printk("template (%u) too big for tvmem (%u)\n", tsize,
623 		       TVMEMSIZE);
624 		goto out;
625 	}
626 
627 	memcpy(tvmem, deflate_decomp_tv_template, tsize);
628 	tv = (void *)tvmem;
629 
630 	for (i = 0; i < DEFLATE_DECOMP_TEST_VECTORS; i++) {
631 		int ilen, ret, dlen = COMP_BUF_SIZE;
632 
633 		printk("test %u:\n", i + 1);
634 		memset(result, 0, sizeof (result));
635 
636 		ilen = tv[i].inlen;
637 		ret = crypto_comp_decompress(tfm, tv[i].input,
638 		                             ilen, result, &dlen);
639 		if (ret) {
640 			printk("fail: ret=%d\n", ret);
641 			continue;
642 		}
643 		hexdump(result, dlen);
644 		printk("%s (ratio %d:%d)\n",
645 		       memcmp(result, tv[i].output, dlen) ? "fail" : "pass",
646 		       ilen, dlen);
647 	}
648 out:
649 	crypto_free_tfm(tfm);
650 }
651 
652 static void test_crc32c(void)
653 {
654 #define NUMVEC 6
655 #define VECSIZE 40
656 
657 	int i, j, pass;
658 	u32 crc;
659 	u8 b, test_vec[NUMVEC][VECSIZE];
660 	static u32 vec_results[NUMVEC] = {
661 		0x0e2c157f, 0xe980ebf6, 0xde74bded,
662 		0xd579c862, 0xba979ad0, 0x2b29d913
663 	};
664 	static u32 tot_vec_results = 0x24c5d375;
665 
666 	struct scatterlist sg[NUMVEC];
667 	struct crypto_tfm *tfm;
668 	char *fmtdata = "testing crc32c initialized to %08x: %s\n";
669 #define SEEDTESTVAL 0xedcba987
670 	u32 seed;
671 
672 	printk("\ntesting crc32c\n");
673 
674 	tfm = crypto_alloc_tfm("crc32c", 0);
675 	if (tfm == NULL) {
676 		printk("failed to load transform for crc32c\n");
677 		return;
678 	}
679 
680 	crypto_digest_init(tfm);
681 	crypto_digest_final(tfm, (u8*)&crc);
682 	printk(fmtdata, crc, (crc == 0) ? "pass" : "ERROR");
683 
684 	/*
685 	 * stuff test_vec with known values, simple incrementing
686 	 * byte values.
687 	 */
688 	b = 0;
689 	for (i = 0; i < NUMVEC; i++) {
690 		for (j = 0; j < VECSIZE; j++)
691 			test_vec[i][j] = ++b;
692 		sg_set_buf(&sg[i], test_vec[i], VECSIZE);
693 	}
694 
695 	seed = SEEDTESTVAL;
696 	(void)crypto_digest_setkey(tfm, (const u8*)&seed, sizeof(u32));
697 	crypto_digest_final(tfm, (u8*)&crc);
698 	printk("testing crc32c setkey returns %08x : %s\n", crc, (crc == (SEEDTESTVAL ^ ~(u32)0)) ?
699 	       "pass" : "ERROR");
700 
701 	printk("testing crc32c using update/final:\n");
702 
703 	pass = 1;		    /* assume all is well */
704 
705 	for (i = 0; i < NUMVEC; i++) {
706 		seed = ~(u32)0;
707 		(void)crypto_digest_setkey(tfm, (const u8*)&seed, sizeof(u32));
708 		crypto_digest_update(tfm, &sg[i], 1);
709 		crypto_digest_final(tfm, (u8*)&crc);
710 		if (crc == vec_results[i]) {
711 			printk(" %08x:OK", crc);
712 		} else {
713 			printk(" %08x:BAD, wanted %08x\n", crc, vec_results[i]);
714 			pass = 0;
715 		}
716 	}
717 
718 	printk("\ntesting crc32c using incremental accumulator:\n");
719 	crc = 0;
720 	for (i = 0; i < NUMVEC; i++) {
721 		seed = (crc ^ ~(u32)0);
722 		(void)crypto_digest_setkey(tfm, (const u8*)&seed, sizeof(u32));
723 		crypto_digest_update(tfm, &sg[i], 1);
724 		crypto_digest_final(tfm, (u8*)&crc);
725 	}
726 	if (crc == tot_vec_results) {
727 		printk(" %08x:OK", crc);
728 	} else {
729 		printk(" %08x:BAD, wanted %08x\n", crc, tot_vec_results);
730 		pass = 0;
731 	}
732 
733 	printk("\ntesting crc32c using digest:\n");
734 	seed = ~(u32)0;
735 	(void)crypto_digest_setkey(tfm, (const u8*)&seed, sizeof(u32));
736 	crypto_digest_digest(tfm, sg, NUMVEC, (u8*)&crc);
737 	if (crc == tot_vec_results) {
738 		printk(" %08x:OK", crc);
739 	} else {
740 		printk(" %08x:BAD, wanted %08x\n", crc, tot_vec_results);
741 		pass = 0;
742 	}
743 
744 	printk("\n%s\n", pass ? "pass" : "ERROR");
745 
746 	crypto_free_tfm(tfm);
747 	printk("crc32c test complete\n");
748 }
749 
750 static void test_available(void)
751 {
752 	char **name = check;
753 
754 	while (*name) {
755 		printk("alg %s ", *name);
756 		printk((crypto_alg_available(*name, 0)) ?
757 			"found\n" : "not found\n");
758 		name++;
759 	}
760 }
761 
762 static void do_test(void)
763 {
764 	switch (mode) {
765 
766 	case 0:
767 		test_hash("md5", md5_tv_template, MD5_TEST_VECTORS);
768 
769 		test_hash("sha1", sha1_tv_template, SHA1_TEST_VECTORS);
770 
771 		//DES
772 		test_cipher ("des", MODE_ECB, ENCRYPT, des_enc_tv_template, DES_ENC_TEST_VECTORS);
773 		test_cipher ("des", MODE_ECB, DECRYPT, des_dec_tv_template, DES_DEC_TEST_VECTORS);
774 		test_cipher ("des", MODE_CBC, ENCRYPT, des_cbc_enc_tv_template, DES_CBC_ENC_TEST_VECTORS);
775 		test_cipher ("des", MODE_CBC, DECRYPT, des_cbc_dec_tv_template, DES_CBC_DEC_TEST_VECTORS);
776 
777 		//DES3_EDE
778 		test_cipher ("des3_ede", MODE_ECB, ENCRYPT, des3_ede_enc_tv_template, DES3_EDE_ENC_TEST_VECTORS);
779 		test_cipher ("des3_ede", MODE_ECB, DECRYPT, des3_ede_dec_tv_template, DES3_EDE_DEC_TEST_VECTORS);
780 
781 		test_hash("md4", md4_tv_template, MD4_TEST_VECTORS);
782 
783 		test_hash("sha256", sha256_tv_template, SHA256_TEST_VECTORS);
784 
785 		//BLOWFISH
786 		test_cipher ("blowfish", MODE_ECB, ENCRYPT, bf_enc_tv_template, BF_ENC_TEST_VECTORS);
787 		test_cipher ("blowfish", MODE_ECB, DECRYPT, bf_dec_tv_template, BF_DEC_TEST_VECTORS);
788 		test_cipher ("blowfish", MODE_CBC, ENCRYPT, bf_cbc_enc_tv_template, BF_CBC_ENC_TEST_VECTORS);
789 		test_cipher ("blowfish", MODE_CBC, DECRYPT, bf_cbc_dec_tv_template, BF_CBC_DEC_TEST_VECTORS);
790 
791 		//TWOFISH
792 		test_cipher ("twofish", MODE_ECB, ENCRYPT, tf_enc_tv_template, TF_ENC_TEST_VECTORS);
793 		test_cipher ("twofish", MODE_ECB, DECRYPT, tf_dec_tv_template, TF_DEC_TEST_VECTORS);
794 		test_cipher ("twofish", MODE_CBC, ENCRYPT, tf_cbc_enc_tv_template, TF_CBC_ENC_TEST_VECTORS);
795 		test_cipher ("twofish", MODE_CBC, DECRYPT, tf_cbc_dec_tv_template, TF_CBC_DEC_TEST_VECTORS);
796 
797 		//SERPENT
798 		test_cipher ("serpent", MODE_ECB, ENCRYPT, serpent_enc_tv_template, SERPENT_ENC_TEST_VECTORS);
799 		test_cipher ("serpent", MODE_ECB, DECRYPT, serpent_dec_tv_template, SERPENT_DEC_TEST_VECTORS);
800 
801 		//TNEPRES
802 		test_cipher ("tnepres", MODE_ECB, ENCRYPT, tnepres_enc_tv_template, TNEPRES_ENC_TEST_VECTORS);
803 		test_cipher ("tnepres", MODE_ECB, DECRYPT, tnepres_dec_tv_template, TNEPRES_DEC_TEST_VECTORS);
804 
805 		//AES
806 		test_cipher ("aes", MODE_ECB, ENCRYPT, aes_enc_tv_template, AES_ENC_TEST_VECTORS);
807 		test_cipher ("aes", MODE_ECB, DECRYPT, aes_dec_tv_template, AES_DEC_TEST_VECTORS);
808 
809 		//CAST5
810 		test_cipher ("cast5", MODE_ECB, ENCRYPT, cast5_enc_tv_template, CAST5_ENC_TEST_VECTORS);
811 		test_cipher ("cast5", MODE_ECB, DECRYPT, cast5_dec_tv_template, CAST5_DEC_TEST_VECTORS);
812 
813 		//CAST6
814 		test_cipher ("cast6", MODE_ECB, ENCRYPT, cast6_enc_tv_template, CAST6_ENC_TEST_VECTORS);
815 		test_cipher ("cast6", MODE_ECB, DECRYPT, cast6_dec_tv_template, CAST6_DEC_TEST_VECTORS);
816 
817 		//ARC4
818 		test_cipher ("arc4", MODE_ECB, ENCRYPT, arc4_enc_tv_template, ARC4_ENC_TEST_VECTORS);
819 		test_cipher ("arc4", MODE_ECB, DECRYPT, arc4_dec_tv_template, ARC4_DEC_TEST_VECTORS);
820 
821 		//TEA
822 		test_cipher ("tea", MODE_ECB, ENCRYPT, tea_enc_tv_template, TEA_ENC_TEST_VECTORS);
823 		test_cipher ("tea", MODE_ECB, DECRYPT, tea_dec_tv_template, TEA_DEC_TEST_VECTORS);
824 
825 
826 		//XTEA
827 		test_cipher ("xtea", MODE_ECB, ENCRYPT, xtea_enc_tv_template, XTEA_ENC_TEST_VECTORS);
828 		test_cipher ("xtea", MODE_ECB, DECRYPT, xtea_dec_tv_template, XTEA_DEC_TEST_VECTORS);
829 
830 		//KHAZAD
831 		test_cipher ("khazad", MODE_ECB, ENCRYPT, khazad_enc_tv_template, KHAZAD_ENC_TEST_VECTORS);
832 		test_cipher ("khazad", MODE_ECB, DECRYPT, khazad_dec_tv_template, KHAZAD_DEC_TEST_VECTORS);
833 
834 		//ANUBIS
835 		test_cipher ("anubis", MODE_ECB, ENCRYPT, anubis_enc_tv_template, ANUBIS_ENC_TEST_VECTORS);
836 		test_cipher ("anubis", MODE_ECB, DECRYPT, anubis_dec_tv_template, ANUBIS_DEC_TEST_VECTORS);
837 		test_cipher ("anubis", MODE_CBC, ENCRYPT, anubis_cbc_enc_tv_template, ANUBIS_CBC_ENC_TEST_VECTORS);
838 		test_cipher ("anubis", MODE_CBC, DECRYPT, anubis_cbc_dec_tv_template, ANUBIS_CBC_ENC_TEST_VECTORS);
839 
840 		//XETA
841 		test_cipher ("xeta", MODE_ECB, ENCRYPT, xeta_enc_tv_template, XETA_ENC_TEST_VECTORS);
842 		test_cipher ("xeta", MODE_ECB, DECRYPT, xeta_dec_tv_template, XETA_DEC_TEST_VECTORS);
843 
844 		test_hash("sha384", sha384_tv_template, SHA384_TEST_VECTORS);
845 		test_hash("sha512", sha512_tv_template, SHA512_TEST_VECTORS);
846 		test_hash("wp512", wp512_tv_template, WP512_TEST_VECTORS);
847 		test_hash("wp384", wp384_tv_template, WP384_TEST_VECTORS);
848 		test_hash("wp256", wp256_tv_template, WP256_TEST_VECTORS);
849 		test_hash("tgr192", tgr192_tv_template, TGR192_TEST_VECTORS);
850 		test_hash("tgr160", tgr160_tv_template, TGR160_TEST_VECTORS);
851 		test_hash("tgr128", tgr128_tv_template, TGR128_TEST_VECTORS);
852 		test_deflate();
853 		test_crc32c();
854 #ifdef CONFIG_CRYPTO_HMAC
855 		test_hmac("md5", hmac_md5_tv_template, HMAC_MD5_TEST_VECTORS);
856 		test_hmac("sha1", hmac_sha1_tv_template, HMAC_SHA1_TEST_VECTORS);
857 		test_hmac("sha256", hmac_sha256_tv_template, HMAC_SHA256_TEST_VECTORS);
858 #endif
859 
860 		test_hash("michael_mic", michael_mic_tv_template, MICHAEL_MIC_TEST_VECTORS);
861 		break;
862 
863 	case 1:
864 		test_hash("md5", md5_tv_template, MD5_TEST_VECTORS);
865 		break;
866 
867 	case 2:
868 		test_hash("sha1", sha1_tv_template, SHA1_TEST_VECTORS);
869 		break;
870 
871 	case 3:
872 		test_cipher ("des", MODE_ECB, ENCRYPT, des_enc_tv_template, DES_ENC_TEST_VECTORS);
873 		test_cipher ("des", MODE_ECB, DECRYPT, des_dec_tv_template, DES_DEC_TEST_VECTORS);
874 		test_cipher ("des", MODE_CBC, ENCRYPT, des_cbc_enc_tv_template, DES_CBC_ENC_TEST_VECTORS);
875 		test_cipher ("des", MODE_CBC, DECRYPT, des_cbc_dec_tv_template, DES_CBC_DEC_TEST_VECTORS);
876 		break;
877 
878 	case 4:
879 		test_cipher ("des3_ede", MODE_ECB, ENCRYPT, des3_ede_enc_tv_template, DES3_EDE_ENC_TEST_VECTORS);
880 		test_cipher ("des3_ede", MODE_ECB, DECRYPT, des3_ede_dec_tv_template, DES3_EDE_DEC_TEST_VECTORS);
881 		break;
882 
883 	case 5:
884 		test_hash("md4", md4_tv_template, MD4_TEST_VECTORS);
885 		break;
886 
887 	case 6:
888 		test_hash("sha256", sha256_tv_template, SHA256_TEST_VECTORS);
889 		break;
890 
891 	case 7:
892 		test_cipher ("blowfish", MODE_ECB, ENCRYPT, bf_enc_tv_template, BF_ENC_TEST_VECTORS);
893 		test_cipher ("blowfish", MODE_ECB, DECRYPT, bf_dec_tv_template, BF_DEC_TEST_VECTORS);
894 		test_cipher ("blowfish", MODE_CBC, ENCRYPT, bf_cbc_enc_tv_template, BF_CBC_ENC_TEST_VECTORS);
895 		test_cipher ("blowfish", MODE_CBC, DECRYPT, bf_cbc_dec_tv_template, BF_CBC_DEC_TEST_VECTORS);
896 		break;
897 
898 	case 8:
899 		test_cipher ("twofish", MODE_ECB, ENCRYPT, tf_enc_tv_template, TF_ENC_TEST_VECTORS);
900 		test_cipher ("twofish", MODE_ECB, DECRYPT, tf_dec_tv_template, TF_DEC_TEST_VECTORS);
901 		test_cipher ("twofish", MODE_CBC, ENCRYPT, tf_cbc_enc_tv_template, TF_CBC_ENC_TEST_VECTORS);
902 		test_cipher ("twofish", MODE_CBC, DECRYPT, tf_cbc_dec_tv_template, TF_CBC_DEC_TEST_VECTORS);
903 		break;
904 
905 	case 9:
906 		test_cipher ("serpent", MODE_ECB, ENCRYPT, serpent_enc_tv_template, SERPENT_ENC_TEST_VECTORS);
907 		test_cipher ("serpent", MODE_ECB, DECRYPT, serpent_dec_tv_template, SERPENT_DEC_TEST_VECTORS);
908 		break;
909 
910 	case 10:
911 		test_cipher ("aes", MODE_ECB, ENCRYPT, aes_enc_tv_template, AES_ENC_TEST_VECTORS);
912 		test_cipher ("aes", MODE_ECB, DECRYPT, aes_dec_tv_template, AES_DEC_TEST_VECTORS);
913 		break;
914 
915 	case 11:
916 		test_hash("sha384", sha384_tv_template, SHA384_TEST_VECTORS);
917 		break;
918 
919 	case 12:
920 		test_hash("sha512", sha512_tv_template, SHA512_TEST_VECTORS);
921 		break;
922 
923 	case 13:
924 		test_deflate();
925 		break;
926 
927 	case 14:
928 		test_cipher ("cast5", MODE_ECB, ENCRYPT, cast5_enc_tv_template, CAST5_ENC_TEST_VECTORS);
929 		test_cipher ("cast5", MODE_ECB, DECRYPT, cast5_dec_tv_template, CAST5_DEC_TEST_VECTORS);
930 		break;
931 
932 	case 15:
933 		test_cipher ("cast6", MODE_ECB, ENCRYPT, cast6_enc_tv_template, CAST6_ENC_TEST_VECTORS);
934 		test_cipher ("cast6", MODE_ECB, DECRYPT, cast6_dec_tv_template, CAST6_DEC_TEST_VECTORS);
935 		break;
936 
937 	case 16:
938 		test_cipher ("arc4", MODE_ECB, ENCRYPT, arc4_enc_tv_template, ARC4_ENC_TEST_VECTORS);
939 		test_cipher ("arc4", MODE_ECB, DECRYPT, arc4_dec_tv_template, ARC4_DEC_TEST_VECTORS);
940 		break;
941 
942 	case 17:
943 		test_hash("michael_mic", michael_mic_tv_template, MICHAEL_MIC_TEST_VECTORS);
944 		break;
945 
946 	case 18:
947 		test_crc32c();
948 		break;
949 
950 	case 19:
951 		test_cipher ("tea", MODE_ECB, ENCRYPT, tea_enc_tv_template, TEA_ENC_TEST_VECTORS);
952 		test_cipher ("tea", MODE_ECB, DECRYPT, tea_dec_tv_template, TEA_DEC_TEST_VECTORS);
953 		break;
954 
955 	case 20:
956 		test_cipher ("xtea", MODE_ECB, ENCRYPT, xtea_enc_tv_template, XTEA_ENC_TEST_VECTORS);
957 		test_cipher ("xtea", MODE_ECB, DECRYPT, xtea_dec_tv_template, XTEA_DEC_TEST_VECTORS);
958 		break;
959 
960 	case 21:
961 		test_cipher ("khazad", MODE_ECB, ENCRYPT, khazad_enc_tv_template, KHAZAD_ENC_TEST_VECTORS);
962 		test_cipher ("khazad", MODE_ECB, DECRYPT, khazad_dec_tv_template, KHAZAD_DEC_TEST_VECTORS);
963 		break;
964 
965 	case 22:
966 		test_hash("wp512", wp512_tv_template, WP512_TEST_VECTORS);
967 		break;
968 
969 	case 23:
970 		test_hash("wp384", wp384_tv_template, WP384_TEST_VECTORS);
971 		break;
972 
973 	case 24:
974 		test_hash("wp256", wp256_tv_template, WP256_TEST_VECTORS);
975 		break;
976 
977 	case 25:
978 		test_cipher ("tnepres", MODE_ECB, ENCRYPT, tnepres_enc_tv_template, TNEPRES_ENC_TEST_VECTORS);
979 		test_cipher ("tnepres", MODE_ECB, DECRYPT, tnepres_dec_tv_template, TNEPRES_DEC_TEST_VECTORS);
980 		break;
981 
982 	case 26:
983 		test_cipher ("anubis", MODE_ECB, ENCRYPT, anubis_enc_tv_template, ANUBIS_ENC_TEST_VECTORS);
984 		test_cipher ("anubis", MODE_ECB, DECRYPT, anubis_dec_tv_template, ANUBIS_DEC_TEST_VECTORS);
985 		test_cipher ("anubis", MODE_CBC, ENCRYPT, anubis_cbc_enc_tv_template, ANUBIS_CBC_ENC_TEST_VECTORS);
986 		test_cipher ("anubis", MODE_CBC, DECRYPT, anubis_cbc_dec_tv_template, ANUBIS_CBC_ENC_TEST_VECTORS);
987 		break;
988 
989 	case 27:
990 		test_hash("tgr192", tgr192_tv_template, TGR192_TEST_VECTORS);
991 		break;
992 
993 	case 28:
994 
995 		test_hash("tgr160", tgr160_tv_template, TGR160_TEST_VECTORS);
996 		break;
997 
998 	case 29:
999 		test_hash("tgr128", tgr128_tv_template, TGR128_TEST_VECTORS);
1000 		break;
1001 
1002 	case 30:
1003 		test_cipher ("xeta", MODE_ECB, ENCRYPT, xeta_enc_tv_template, XETA_ENC_TEST_VECTORS);
1004 		test_cipher ("xeta", MODE_ECB, DECRYPT, xeta_dec_tv_template, XETA_DEC_TEST_VECTORS);
1005 		break;
1006 
1007 #ifdef CONFIG_CRYPTO_HMAC
1008 	case 100:
1009 		test_hmac("md5", hmac_md5_tv_template, HMAC_MD5_TEST_VECTORS);
1010 		break;
1011 
1012 	case 101:
1013 		test_hmac("sha1", hmac_sha1_tv_template, HMAC_SHA1_TEST_VECTORS);
1014 		break;
1015 
1016 	case 102:
1017 		test_hmac("sha256", hmac_sha256_tv_template, HMAC_SHA256_TEST_VECTORS);
1018 		break;
1019 
1020 #endif
1021 
1022 	case 200:
1023 		test_cipher_speed("aes", MODE_ECB, ENCRYPT, sec, NULL, 0,
1024 				  aes_speed_template);
1025 		test_cipher_speed("aes", MODE_ECB, DECRYPT, sec, NULL, 0,
1026 				  aes_speed_template);
1027 		test_cipher_speed("aes", MODE_CBC, ENCRYPT, sec, NULL, 0,
1028 				  aes_speed_template);
1029 		test_cipher_speed("aes", MODE_CBC, DECRYPT, sec, NULL, 0,
1030 				  aes_speed_template);
1031 		break;
1032 
1033 	case 201:
1034 		test_cipher_speed("des3_ede", MODE_ECB, ENCRYPT, sec,
1035 				  des3_ede_enc_tv_template,
1036 				  DES3_EDE_ENC_TEST_VECTORS,
1037 				  des3_ede_speed_template);
1038 		test_cipher_speed("des3_ede", MODE_ECB, DECRYPT, sec,
1039 				  des3_ede_dec_tv_template,
1040 				  DES3_EDE_DEC_TEST_VECTORS,
1041 				  des3_ede_speed_template);
1042 		test_cipher_speed("des3_ede", MODE_CBC, ENCRYPT, sec,
1043 				  des3_ede_enc_tv_template,
1044 				  DES3_EDE_ENC_TEST_VECTORS,
1045 				  des3_ede_speed_template);
1046 		test_cipher_speed("des3_ede", MODE_CBC, DECRYPT, sec,
1047 				  des3_ede_dec_tv_template,
1048 				  DES3_EDE_DEC_TEST_VECTORS,
1049 				  des3_ede_speed_template);
1050 		break;
1051 
1052 	case 202:
1053 		test_cipher_speed("twofish", MODE_ECB, ENCRYPT, sec, NULL, 0,
1054 				  twofish_speed_template);
1055 		test_cipher_speed("twofish", MODE_ECB, DECRYPT, sec, NULL, 0,
1056 				  twofish_speed_template);
1057 		test_cipher_speed("twofish", MODE_CBC, ENCRYPT, sec, NULL, 0,
1058 				  twofish_speed_template);
1059 		test_cipher_speed("twofish", MODE_CBC, DECRYPT, sec, NULL, 0,
1060 				  twofish_speed_template);
1061 		break;
1062 
1063 	case 203:
1064 		test_cipher_speed("blowfish", MODE_ECB, ENCRYPT, sec, NULL, 0,
1065 				  blowfish_speed_template);
1066 		test_cipher_speed("blowfish", MODE_ECB, DECRYPT, sec, NULL, 0,
1067 				  blowfish_speed_template);
1068 		test_cipher_speed("blowfish", MODE_CBC, ENCRYPT, sec, NULL, 0,
1069 				  blowfish_speed_template);
1070 		test_cipher_speed("blowfish", MODE_CBC, DECRYPT, sec, NULL, 0,
1071 				  blowfish_speed_template);
1072 		break;
1073 
1074 	case 204:
1075 		test_cipher_speed("des", MODE_ECB, ENCRYPT, sec, NULL, 0,
1076 				  des_speed_template);
1077 		test_cipher_speed("des", MODE_ECB, DECRYPT, sec, NULL, 0,
1078 				  des_speed_template);
1079 		test_cipher_speed("des", MODE_CBC, ENCRYPT, sec, NULL, 0,
1080 				  des_speed_template);
1081 		test_cipher_speed("des", MODE_CBC, DECRYPT, sec, NULL, 0,
1082 				  des_speed_template);
1083 		break;
1084 
1085 	case 1000:
1086 		test_available();
1087 		break;
1088 
1089 	default:
1090 		/* useful for debugging */
1091 		printk("not testing anything\n");
1092 		break;
1093 	}
1094 }
1095 
1096 static int __init init(void)
1097 {
1098 	tvmem = kmalloc(TVMEMSIZE, GFP_KERNEL);
1099 	if (tvmem == NULL)
1100 		return -ENOMEM;
1101 
1102 	xbuf = kmalloc(XBUFSIZE, GFP_KERNEL);
1103 	if (xbuf == NULL) {
1104 		kfree(tvmem);
1105 		return -ENOMEM;
1106 	}
1107 
1108 	do_test();
1109 
1110 	kfree(xbuf);
1111 	kfree(tvmem);
1112 	return 0;
1113 }
1114 
1115 /*
1116  * If an init function is provided, an exit function must also be provided
1117  * to allow module unload.
1118  */
1119 static void __exit fini(void) { }
1120 
1121 module_init(init);
1122 module_exit(fini);
1123 
1124 module_param(mode, int, 0);
1125 module_param(sec, uint, 0);
1126 MODULE_PARM_DESC(sec, "Length in seconds of speed tests "
1127 		      "(defaults to zero which uses CPU cycles instead)");
1128 
1129 MODULE_LICENSE("GPL");
1130 MODULE_DESCRIPTION("Quick & dirty crypto testing module");
1131 MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");
1132