2 * Quick & dirty crypto testing module.
4 * This will only exist until we have a better testing mechanism
5 * (e.g. a char device).
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
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)
18 #include <crypto/hash.h>
19 #include <linux/err.h>
20 #include <linux/init.h>
21 #include <linux/module.h>
22 #include <linux/slab.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>
33 * Need slab memory for testing (size in number of pages).
38 * Used by test_cipher_speed()
44 * Used by test_cipher_speed()
46 static unsigned int sec
;
49 static char *tvmem
[TVMEMSIZE
];
51 static char *check
[] = {
52 "des", "md5", "des3_ede", "rot13", "sha1", "sha224", "sha256",
53 "blowfish", "twofish", "serpent", "sha384", "sha512", "md4", "aes",
54 "cast6", "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
55 "khazad", "wp512", "wp384", "wp256", "tnepres", "xeta", "fcrypt",
56 "camellia", "seed", "salsa20", "rmd128", "rmd160", "rmd256", "rmd320",
57 "lzo", "cts", "zlib", NULL
60 static int test_cipher_jiffies(struct blkcipher_desc
*desc
, int enc
,
61 struct scatterlist
*sg
, int blen
, int sec
)
63 unsigned long start
, end
;
67 for (start
= jiffies
, end
= start
+ sec
* HZ
, bcount
= 0;
68 time_before(jiffies
, end
); bcount
++) {
70 ret
= crypto_blkcipher_encrypt(desc
, sg
, sg
, blen
);
72 ret
= crypto_blkcipher_decrypt(desc
, sg
, sg
, blen
);
78 printk("%d operations in %d seconds (%ld bytes)\n",
79 bcount
, sec
, (long)bcount
* blen
);
83 static int test_cipher_cycles(struct blkcipher_desc
*desc
, int enc
,
84 struct scatterlist
*sg
, int blen
)
86 unsigned long cycles
= 0;
94 for (i
= 0; i
< 4; i
++) {
96 ret
= crypto_blkcipher_encrypt(desc
, sg
, sg
, blen
);
98 ret
= crypto_blkcipher_decrypt(desc
, sg
, sg
, blen
);
104 /* The real thing. */
105 for (i
= 0; i
< 8; i
++) {
108 start
= get_cycles();
110 ret
= crypto_blkcipher_encrypt(desc
, sg
, sg
, blen
);
112 ret
= crypto_blkcipher_decrypt(desc
, sg
, sg
, blen
);
118 cycles
+= end
- start
;
126 printk("1 operation in %lu cycles (%d bytes)\n",
127 (cycles
+ 4) / 8, blen
);
132 static u32 block_sizes
[] = { 16, 64, 256, 1024, 8192, 0 };
134 static void test_cipher_speed(const char *algo
, int enc
, unsigned int sec
,
135 struct cipher_speed_template
*template,
136 unsigned int tcount
, u8
*keysize
)
138 unsigned int ret
, i
, j
, iv_len
;
139 const char *key
, iv
[128];
140 struct crypto_blkcipher
*tfm
;
141 struct blkcipher_desc desc
;
150 printk("\ntesting speed of %s %s\n", algo
, e
);
152 tfm
= crypto_alloc_blkcipher(algo
, 0, CRYPTO_ALG_ASYNC
);
155 printk("failed to load transform for %s: %ld\n", algo
,
165 b_size
= block_sizes
;
167 struct scatterlist sg
[TVMEMSIZE
];
169 if ((*keysize
+ *b_size
) > TVMEMSIZE
* PAGE_SIZE
) {
170 printk("template (%u) too big for "
171 "tvmem (%lu)\n", *keysize
+ *b_size
,
172 TVMEMSIZE
* PAGE_SIZE
);
176 printk("test %u (%d bit key, %d byte blocks): ", i
,
177 *keysize
* 8, *b_size
);
179 memset(tvmem
[0], 0xff, PAGE_SIZE
);
181 /* set key, plain text and IV */
183 for (j
= 0; j
< tcount
; j
++) {
184 if (template[j
].klen
== *keysize
) {
185 key
= template[j
].key
;
190 ret
= crypto_blkcipher_setkey(tfm
, key
, *keysize
);
192 printk("setkey() failed flags=%x\n",
193 crypto_blkcipher_get_flags(tfm
));
197 sg_init_table(sg
, TVMEMSIZE
);
198 sg_set_buf(sg
, tvmem
[0] + *keysize
,
199 PAGE_SIZE
- *keysize
);
200 for (j
= 1; j
< TVMEMSIZE
; j
++) {
201 sg_set_buf(sg
+ j
, tvmem
[j
], PAGE_SIZE
);
202 memset (tvmem
[j
], 0xff, PAGE_SIZE
);
205 iv_len
= crypto_blkcipher_ivsize(tfm
);
207 memset(&iv
, 0xff, iv_len
);
208 crypto_blkcipher_set_iv(tfm
, iv
, iv_len
);
212 ret
= test_cipher_jiffies(&desc
, enc
, sg
,
215 ret
= test_cipher_cycles(&desc
, enc
, sg
,
219 printk("%s() failed flags=%x\n", e
, desc
.flags
);
229 crypto_free_blkcipher(tfm
);
232 static int test_hash_jiffies_digest(struct hash_desc
*desc
,
233 struct scatterlist
*sg
, int blen
,
236 unsigned long start
, end
;
240 for (start
= jiffies
, end
= start
+ sec
* HZ
, bcount
= 0;
241 time_before(jiffies
, end
); bcount
++) {
242 ret
= crypto_hash_digest(desc
, sg
, blen
, out
);
247 printk("%6u opers/sec, %9lu bytes/sec\n",
248 bcount
/ sec
, ((long)bcount
* blen
) / sec
);
253 static int test_hash_jiffies(struct hash_desc
*desc
, struct scatterlist
*sg
,
254 int blen
, int plen
, char *out
, int sec
)
256 unsigned long start
, end
;
261 return test_hash_jiffies_digest(desc
, sg
, blen
, out
, sec
);
263 for (start
= jiffies
, end
= start
+ sec
* HZ
, bcount
= 0;
264 time_before(jiffies
, end
); bcount
++) {
265 ret
= crypto_hash_init(desc
);
268 for (pcount
= 0; pcount
< blen
; pcount
+= plen
) {
269 ret
= crypto_hash_update(desc
, sg
, plen
);
273 /* we assume there is enough space in 'out' for the result */
274 ret
= crypto_hash_final(desc
, out
);
279 printk("%6u opers/sec, %9lu bytes/sec\n",
280 bcount
/ sec
, ((long)bcount
* blen
) / sec
);
285 static int test_hash_cycles_digest(struct hash_desc
*desc
,
286 struct scatterlist
*sg
, int blen
, char *out
)
288 unsigned long cycles
= 0;
296 for (i
= 0; i
< 4; i
++) {
297 ret
= crypto_hash_digest(desc
, sg
, blen
, out
);
302 /* The real thing. */
303 for (i
= 0; i
< 8; i
++) {
306 start
= get_cycles();
308 ret
= crypto_hash_digest(desc
, sg
, blen
, out
);
314 cycles
+= end
- start
;
324 printk("%6lu cycles/operation, %4lu cycles/byte\n",
325 cycles
/ 8, cycles
/ (8 * blen
));
330 static int test_hash_cycles(struct hash_desc
*desc
, struct scatterlist
*sg
,
331 int blen
, int plen
, char *out
)
333 unsigned long cycles
= 0;
338 return test_hash_cycles_digest(desc
, sg
, blen
, out
);
344 for (i
= 0; i
< 4; i
++) {
345 ret
= crypto_hash_init(desc
);
348 for (pcount
= 0; pcount
< blen
; pcount
+= plen
) {
349 ret
= crypto_hash_update(desc
, sg
, plen
);
353 ret
= crypto_hash_final(desc
, out
);
358 /* The real thing. */
359 for (i
= 0; i
< 8; i
++) {
362 start
= get_cycles();
364 ret
= crypto_hash_init(desc
);
367 for (pcount
= 0; pcount
< blen
; pcount
+= plen
) {
368 ret
= crypto_hash_update(desc
, sg
, plen
);
372 ret
= crypto_hash_final(desc
, out
);
378 cycles
+= end
- start
;
388 printk("%6lu cycles/operation, %4lu cycles/byte\n",
389 cycles
/ 8, cycles
/ (8 * blen
));
394 static void test_hash_speed(const char *algo
, unsigned int sec
,
395 struct hash_speed
*speed
)
397 struct scatterlist sg
[TVMEMSIZE
];
398 struct crypto_hash
*tfm
;
399 struct hash_desc desc
;
400 static char output
[1024];
404 printk(KERN_INFO
"\ntesting speed of %s\n", algo
);
406 tfm
= crypto_alloc_hash(algo
, 0, CRYPTO_ALG_ASYNC
);
409 printk(KERN_ERR
"failed to load transform for %s: %ld\n", algo
,
417 if (crypto_hash_digestsize(tfm
) > sizeof(output
)) {
418 printk(KERN_ERR
"digestsize(%u) > outputbuffer(%zu)\n",
419 crypto_hash_digestsize(tfm
), sizeof(output
));
423 sg_init_table(sg
, TVMEMSIZE
);
424 for (i
= 0; i
< TVMEMSIZE
; i
++) {
425 sg_set_buf(sg
+ i
, tvmem
[i
], PAGE_SIZE
);
426 memset(tvmem
[i
], 0xff, PAGE_SIZE
);
429 for (i
= 0; speed
[i
].blen
!= 0; i
++) {
430 if (speed
[i
].blen
> TVMEMSIZE
* PAGE_SIZE
) {
432 "template (%u) too big for tvmem (%lu)\n",
433 speed
[i
].blen
, TVMEMSIZE
* PAGE_SIZE
);
437 printk(KERN_INFO
"test%3u "
438 "(%5u byte blocks,%5u bytes per update,%4u updates): ",
439 i
, speed
[i
].blen
, speed
[i
].plen
, speed
[i
].blen
/ speed
[i
].plen
);
442 ret
= test_hash_jiffies(&desc
, sg
, speed
[i
].blen
,
443 speed
[i
].plen
, output
, sec
);
445 ret
= test_hash_cycles(&desc
, sg
, speed
[i
].blen
,
446 speed
[i
].plen
, output
);
449 printk(KERN_ERR
"hashing failed ret=%d\n", ret
);
455 crypto_free_hash(tfm
);
458 static void test_available(void)
463 printk("alg %s ", *name
);
464 printk(crypto_has_alg(*name
, 0, 0) ?
465 "found\n" : "not found\n");
470 static inline int tcrypt_test(const char *alg
)
474 ret
= alg_test(alg
, alg
, 0, 0);
475 /* non-fips algs return -EINVAL in fips mode */
476 if (fips_enabled
&& ret
== -EINVAL
)
481 static int do_test(int m
)
488 for (i
= 1; i
< 200; i
++)
493 ret
+= tcrypt_test("md5");
497 ret
+= tcrypt_test("sha1");
501 ret
+= tcrypt_test("ecb(des)");
502 ret
+= tcrypt_test("cbc(des)");
506 ret
+= tcrypt_test("ecb(des3_ede)");
507 ret
+= tcrypt_test("cbc(des3_ede)");
511 ret
+= tcrypt_test("md4");
515 ret
+= tcrypt_test("sha256");
519 ret
+= tcrypt_test("ecb(blowfish)");
520 ret
+= tcrypt_test("cbc(blowfish)");
524 ret
+= tcrypt_test("ecb(twofish)");
525 ret
+= tcrypt_test("cbc(twofish)");
529 ret
+= tcrypt_test("ecb(serpent)");
533 ret
+= tcrypt_test("ecb(aes)");
534 ret
+= tcrypt_test("cbc(aes)");
535 ret
+= tcrypt_test("lrw(aes)");
536 ret
+= tcrypt_test("xts(aes)");
537 ret
+= tcrypt_test("ctr(aes)");
538 ret
+= tcrypt_test("rfc3686(ctr(aes))");
542 ret
+= tcrypt_test("sha384");
546 ret
+= tcrypt_test("sha512");
550 ret
+= tcrypt_test("deflate");
554 ret
+= tcrypt_test("ecb(cast5)");
558 ret
+= tcrypt_test("ecb(cast6)");
562 ret
+= tcrypt_test("ecb(arc4)");
566 ret
+= tcrypt_test("michael_mic");
570 ret
+= tcrypt_test("crc32c");
574 ret
+= tcrypt_test("ecb(tea)");
578 ret
+= tcrypt_test("ecb(xtea)");
582 ret
+= tcrypt_test("ecb(khazad)");
586 ret
+= tcrypt_test("wp512");
590 ret
+= tcrypt_test("wp384");
594 ret
+= tcrypt_test("wp256");
598 ret
+= tcrypt_test("ecb(tnepres)");
602 ret
+= tcrypt_test("ecb(anubis)");
603 ret
+= tcrypt_test("cbc(anubis)");
607 ret
+= tcrypt_test("tgr192");
612 ret
+= tcrypt_test("tgr160");
616 ret
+= tcrypt_test("tgr128");
620 ret
+= tcrypt_test("ecb(xeta)");
624 ret
+= tcrypt_test("pcbc(fcrypt)");
628 ret
+= tcrypt_test("ecb(camellia)");
629 ret
+= tcrypt_test("cbc(camellia)");
632 ret
+= tcrypt_test("sha224");
636 ret
+= tcrypt_test("salsa20");
640 ret
+= tcrypt_test("gcm(aes)");
644 ret
+= tcrypt_test("lzo");
648 ret
+= tcrypt_test("ccm(aes)");
652 ret
+= tcrypt_test("cts(cbc(aes))");
656 ret
+= tcrypt_test("rmd128");
660 ret
+= tcrypt_test("rmd160");
664 ret
+= tcrypt_test("rmd256");
668 ret
+= tcrypt_test("rmd320");
672 ret
+= tcrypt_test("ecb(seed)");
676 ret
+= tcrypt_test("zlib");
680 ret
+= tcrypt_test("rfc4309(ccm(aes))");
684 ret
+= tcrypt_test("hmac(md5)");
688 ret
+= tcrypt_test("hmac(sha1)");
692 ret
+= tcrypt_test("hmac(sha256)");
696 ret
+= tcrypt_test("hmac(sha384)");
700 ret
+= tcrypt_test("hmac(sha512)");
704 ret
+= tcrypt_test("hmac(sha224)");
708 ret
+= tcrypt_test("xcbc(aes)");
712 ret
+= tcrypt_test("hmac(rmd128)");
716 ret
+= tcrypt_test("hmac(rmd160)");
720 ret
+= tcrypt_test("ansi_cprng");
724 test_cipher_speed("ecb(aes)", ENCRYPT
, sec
, NULL
, 0,
725 speed_template_16_24_32
);
726 test_cipher_speed("ecb(aes)", DECRYPT
, sec
, NULL
, 0,
727 speed_template_16_24_32
);
728 test_cipher_speed("cbc(aes)", ENCRYPT
, sec
, NULL
, 0,
729 speed_template_16_24_32
);
730 test_cipher_speed("cbc(aes)", DECRYPT
, sec
, NULL
, 0,
731 speed_template_16_24_32
);
732 test_cipher_speed("lrw(aes)", ENCRYPT
, sec
, NULL
, 0,
733 speed_template_32_40_48
);
734 test_cipher_speed("lrw(aes)", DECRYPT
, sec
, NULL
, 0,
735 speed_template_32_40_48
);
736 test_cipher_speed("xts(aes)", ENCRYPT
, sec
, NULL
, 0,
737 speed_template_32_48_64
);
738 test_cipher_speed("xts(aes)", DECRYPT
, sec
, NULL
, 0,
739 speed_template_32_48_64
);
743 test_cipher_speed("ecb(des3_ede)", ENCRYPT
, sec
,
744 des3_speed_template
, DES3_SPEED_VECTORS
,
746 test_cipher_speed("ecb(des3_ede)", DECRYPT
, sec
,
747 des3_speed_template
, DES3_SPEED_VECTORS
,
749 test_cipher_speed("cbc(des3_ede)", ENCRYPT
, sec
,
750 des3_speed_template
, DES3_SPEED_VECTORS
,
752 test_cipher_speed("cbc(des3_ede)", DECRYPT
, sec
,
753 des3_speed_template
, DES3_SPEED_VECTORS
,
758 test_cipher_speed("ecb(twofish)", ENCRYPT
, sec
, NULL
, 0,
759 speed_template_16_24_32
);
760 test_cipher_speed("ecb(twofish)", DECRYPT
, sec
, NULL
, 0,
761 speed_template_16_24_32
);
762 test_cipher_speed("cbc(twofish)", ENCRYPT
, sec
, NULL
, 0,
763 speed_template_16_24_32
);
764 test_cipher_speed("cbc(twofish)", DECRYPT
, sec
, NULL
, 0,
765 speed_template_16_24_32
);
769 test_cipher_speed("ecb(blowfish)", ENCRYPT
, sec
, NULL
, 0,
770 speed_template_8_32
);
771 test_cipher_speed("ecb(blowfish)", DECRYPT
, sec
, NULL
, 0,
772 speed_template_8_32
);
773 test_cipher_speed("cbc(blowfish)", ENCRYPT
, sec
, NULL
, 0,
774 speed_template_8_32
);
775 test_cipher_speed("cbc(blowfish)", DECRYPT
, sec
, NULL
, 0,
776 speed_template_8_32
);
780 test_cipher_speed("ecb(des)", ENCRYPT
, sec
, NULL
, 0,
782 test_cipher_speed("ecb(des)", DECRYPT
, sec
, NULL
, 0,
784 test_cipher_speed("cbc(des)", ENCRYPT
, sec
, NULL
, 0,
786 test_cipher_speed("cbc(des)", DECRYPT
, sec
, NULL
, 0,
791 test_cipher_speed("ecb(camellia)", ENCRYPT
, sec
, NULL
, 0,
792 speed_template_16_24_32
);
793 test_cipher_speed("ecb(camellia)", DECRYPT
, sec
, NULL
, 0,
794 speed_template_16_24_32
);
795 test_cipher_speed("cbc(camellia)", ENCRYPT
, sec
, NULL
, 0,
796 speed_template_16_24_32
);
797 test_cipher_speed("cbc(camellia)", DECRYPT
, sec
, NULL
, 0,
798 speed_template_16_24_32
);
802 test_cipher_speed("salsa20", ENCRYPT
, sec
, NULL
, 0,
803 speed_template_16_32
);
810 test_hash_speed("md4", sec
, generic_hash_speed_template
);
811 if (mode
> 300 && mode
< 400) break;
814 test_hash_speed("md5", sec
, generic_hash_speed_template
);
815 if (mode
> 300 && mode
< 400) break;
818 test_hash_speed("sha1", sec
, generic_hash_speed_template
);
819 if (mode
> 300 && mode
< 400) break;
822 test_hash_speed("sha256", sec
, generic_hash_speed_template
);
823 if (mode
> 300 && mode
< 400) break;
826 test_hash_speed("sha384", sec
, generic_hash_speed_template
);
827 if (mode
> 300 && mode
< 400) break;
830 test_hash_speed("sha512", sec
, generic_hash_speed_template
);
831 if (mode
> 300 && mode
< 400) break;
834 test_hash_speed("wp256", sec
, generic_hash_speed_template
);
835 if (mode
> 300 && mode
< 400) break;
838 test_hash_speed("wp384", sec
, generic_hash_speed_template
);
839 if (mode
> 300 && mode
< 400) break;
842 test_hash_speed("wp512", sec
, generic_hash_speed_template
);
843 if (mode
> 300 && mode
< 400) break;
846 test_hash_speed("tgr128", sec
, generic_hash_speed_template
);
847 if (mode
> 300 && mode
< 400) break;
850 test_hash_speed("tgr160", sec
, generic_hash_speed_template
);
851 if (mode
> 300 && mode
< 400) break;
854 test_hash_speed("tgr192", sec
, generic_hash_speed_template
);
855 if (mode
> 300 && mode
< 400) break;
858 test_hash_speed("sha224", sec
, generic_hash_speed_template
);
859 if (mode
> 300 && mode
< 400) break;
862 test_hash_speed("rmd128", sec
, generic_hash_speed_template
);
863 if (mode
> 300 && mode
< 400) break;
866 test_hash_speed("rmd160", sec
, generic_hash_speed_template
);
867 if (mode
> 300 && mode
< 400) break;
870 test_hash_speed("rmd256", sec
, generic_hash_speed_template
);
871 if (mode
> 300 && mode
< 400) break;
874 test_hash_speed("rmd320", sec
, generic_hash_speed_template
);
875 if (mode
> 300 && mode
< 400) break;
888 static int __init
tcrypt_mod_init(void)
893 for (i
= 0; i
< TVMEMSIZE
; i
++) {
894 tvmem
[i
] = (void *)__get_free_page(GFP_KERNEL
);
901 printk(KERN_ERR
"tcrypt: one or more tests failed!\n");
905 /* We intentionaly return -EAGAIN to prevent keeping the module,
906 * unless we're running in fips mode. It does all its work from
907 * init() and doesn't offer any runtime functionality, but in
908 * the fips case, checking for a successful load is helpful.
909 * => we don't need it in the memory, do we?
916 for (i
= 0; i
< TVMEMSIZE
&& tvmem
[i
]; i
++)
917 free_page((unsigned long)tvmem
[i
]);
923 * If an init function is provided, an exit function must also be provided
924 * to allow module unload.
926 static void __exit
tcrypt_mod_fini(void) { }
928 module_init(tcrypt_mod_init
);
929 module_exit(tcrypt_mod_fini
);
931 module_param(mode
, int, 0);
932 module_param(sec
, uint
, 0);
933 MODULE_PARM_DESC(sec
, "Length in seconds of speed tests "
934 "(defaults to zero which uses CPU cycles instead)");
936 MODULE_LICENSE("GPL");
937 MODULE_DESCRIPTION("Quick & dirty crypto testing module");
938 MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");