1 /*
2 * Copyright (c) 2013 Nicolas George
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with FFmpeg; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 /* Optional external libraries; can be enabled using:
22 * make VERSUS=crypto+gcrypt+tomcrypt+mbedcrypto tools/crypto_bench */
23 #define USE_crypto 0x01 /* OpenSSL's libcrypto */
24 #define USE_gcrypt 0x02 /* GnuTLS's libgcrypt */
25 #define USE_tomcrypt 0x04 /* LibTomCrypt */
26 #define USE_mbedcrypto 0x08 /* mbed TLS */
27
28 #include <stdlib.h>
29 #include <math.h>
30
31 #include "libavutil/avutil.h"
32 #include "libavutil/avstring.h"
33 #include "libavutil/crc.h"
34 #include "libavutil/intreadwrite.h"
35 #include "libavutil/timer.h"
36
37 #ifndef AV_READ_TIME
38 #define AV_READ_TIME(x) 0
39 #endif
40
41 #if HAVE_UNISTD_H
42 #include <unistd.h> /* for getopt */
43 #endif
44 #if !HAVE_GETOPT
45 #include "compat/getopt.c"
46 #endif
47
48 #define MAX_INPUT_SIZE 1048576
49 #define MAX_OUTPUT_SIZE 128
50
51 static const char *enabled_libs;
52 static const char *enabled_algos;
53 static unsigned specified_runs;
54
55 static const uint8_t *hardcoded_key = "FFmpeg is the best program ever.";
56
fatal_error(const char * tag)57 static void fatal_error(const char *tag)
58 {
59 av_log(NULL, AV_LOG_ERROR, "Fatal error: %s\n", tag);
60 exit(1);
61 }
62
63 struct hash_impl {
64 const char *lib;
65 const char *name;
66 void (*run)(uint8_t *output, const uint8_t *input, unsigned size);
67 const char *output;
68 };
69
70 /***************************************************************************
71 * lavu: libavutil
72 ***************************************************************************/
73
74 #include "libavutil/md5.h"
75 #include "libavutil/sha.h"
76 #include "libavutil/sha512.h"
77 #include "libavutil/ripemd.h"
78 #include "libavutil/aes.h"
79 #include "libavutil/blowfish.h"
80 #include "libavutil/camellia.h"
81 #include "libavutil/cast5.h"
82 #include "libavutil/des.h"
83 #include "libavutil/twofish.h"
84 #include "libavutil/rc4.h"
85 #include "libavutil/xtea.h"
86
87 #define IMPL_USE_lavu IMPL_USE
88
run_lavu_md5(uint8_t * output,const uint8_t * input,unsigned size)89 static void run_lavu_md5(uint8_t *output,
90 const uint8_t *input, unsigned size)
91 {
92 av_md5_sum(output, input, size);
93 }
94
95 #define DEFINE_LAVU_MD(suffix, type, namespace, hsize) \
96 static void run_lavu_ ## suffix(uint8_t *output, \
97 const uint8_t *input, unsigned size) \
98 { \
99 static struct type *h; \
100 if (!h && !(h = av_ ## namespace ## _alloc())) \
101 fatal_error("out of memory"); \
102 av_ ## namespace ## _init(h, hsize); \
103 av_ ## namespace ## _update(h, input, size); \
104 av_ ## namespace ## _final(h, output); \
105 }
106
107 DEFINE_LAVU_MD(sha1, AVSHA, sha, 160);
108 DEFINE_LAVU_MD(sha256, AVSHA, sha, 256);
109 DEFINE_LAVU_MD(sha512, AVSHA512, sha512, 512);
110 DEFINE_LAVU_MD(ripemd128, AVRIPEMD, ripemd, 128);
111 DEFINE_LAVU_MD(ripemd160, AVRIPEMD, ripemd, 160);
112
run_lavu_aes128(uint8_t * output,const uint8_t * input,unsigned size)113 static void run_lavu_aes128(uint8_t *output,
114 const uint8_t *input, unsigned size)
115 {
116 static struct AVAES *aes;
117 if (!aes && !(aes = av_aes_alloc()))
118 fatal_error("out of memory");
119 av_aes_init(aes, hardcoded_key, 128, 0);
120 av_aes_crypt(aes, output, input, size >> 4, NULL, 0);
121 }
122
run_lavu_blowfish(uint8_t * output,const uint8_t * input,unsigned size)123 static void run_lavu_blowfish(uint8_t *output,
124 const uint8_t *input, unsigned size)
125 {
126 static struct AVBlowfish *blowfish;
127 if (!blowfish && !(blowfish = av_blowfish_alloc()))
128 fatal_error("out of memory");
129 av_blowfish_init(blowfish, hardcoded_key, 16);
130 av_blowfish_crypt(blowfish, output, input, size >> 3, NULL, 0);
131 }
132
run_lavu_camellia(uint8_t * output,const uint8_t * input,unsigned size)133 static void run_lavu_camellia(uint8_t *output,
134 const uint8_t *input, unsigned size)
135 {
136 static struct AVCAMELLIA *camellia;
137 if (!camellia && !(camellia = av_camellia_alloc()))
138 fatal_error("out of memory");
139 av_camellia_init(camellia, hardcoded_key, 128);
140 av_camellia_crypt(camellia, output, input, size >> 4, NULL, 0);
141 }
142
run_lavu_cast128(uint8_t * output,const uint8_t * input,unsigned size)143 static void run_lavu_cast128(uint8_t *output,
144 const uint8_t *input, unsigned size)
145 {
146 static struct AVCAST5 *cast;
147 if (!cast && !(cast = av_cast5_alloc()))
148 fatal_error("out of memory");
149 av_cast5_init(cast, hardcoded_key, 128);
150 av_cast5_crypt(cast, output, input, size >> 3, 0);
151 }
152
run_lavu_des(uint8_t * output,const uint8_t * input,unsigned size)153 static void run_lavu_des(uint8_t *output,
154 const uint8_t *input, unsigned size)
155 {
156 static struct AVDES *des;
157 if (!des && !(des = av_des_alloc()))
158 fatal_error("out of memory");
159 av_des_init(des, hardcoded_key, 64, 0);
160 av_des_crypt(des, output, input, size >> 3, NULL, 0);
161 }
162
run_lavu_twofish(uint8_t * output,const uint8_t * input,unsigned size)163 static void run_lavu_twofish(uint8_t *output,
164 const uint8_t *input, unsigned size)
165 {
166 static struct AVTWOFISH *twofish;
167 if (!twofish && !(twofish = av_twofish_alloc()))
168 fatal_error("out of memory");
169 av_twofish_init(twofish, hardcoded_key, 128);
170 av_twofish_crypt(twofish, output, input, size >> 4, NULL, 0);
171 }
172
run_lavu_rc4(uint8_t * output,const uint8_t * input,unsigned size)173 static void run_lavu_rc4(uint8_t *output,
174 const uint8_t *input, unsigned size)
175 {
176 static struct AVRC4 *rc4;
177 if (!rc4 && !(rc4 = av_rc4_alloc()))
178 fatal_error("out of memory");
179 av_rc4_init(rc4, hardcoded_key, 128, 0);
180 av_rc4_crypt(rc4, output, input, size, NULL, 0);
181 }
182
run_lavu_xtea(uint8_t * output,const uint8_t * input,unsigned size)183 static void run_lavu_xtea(uint8_t *output,
184 const uint8_t *input, unsigned size)
185 {
186 static struct AVXTEA *xtea;
187 if (!xtea && !(xtea = av_xtea_alloc()))
188 fatal_error("out of memory");
189 av_xtea_init(xtea, hardcoded_key);
190 av_xtea_crypt(xtea, output, input, size >> 3, NULL, 0);
191 }
192
193 /***************************************************************************
194 * crypto: OpenSSL's libcrypto
195 ***************************************************************************/
196
197 #if (USE_EXT_LIBS) & USE_crypto
198
199 #define OPENSSL_DISABLE_OLD_DES_SUPPORT
200 #include <openssl/md5.h>
201 #include <openssl/sha.h>
202 #include <openssl/ripemd.h>
203 #include <openssl/aes.h>
204 #include <openssl/blowfish.h>
205 #include <openssl/camellia.h>
206 #include <openssl/cast.h>
207 #include <openssl/des.h>
208 #include <openssl/rc4.h>
209
210 #define DEFINE_CRYPTO_WRAPPER(suffix, function) \
211 static void run_crypto_ ## suffix(uint8_t *output, \
212 const uint8_t *input, unsigned size) \
213 { \
214 function(input, size, output); \
215 }
216
DEFINE_CRYPTO_WRAPPER(md5,MD5)217 DEFINE_CRYPTO_WRAPPER(md5, MD5)
218 DEFINE_CRYPTO_WRAPPER(sha1, SHA1)
219 DEFINE_CRYPTO_WRAPPER(sha256, SHA256)
220 DEFINE_CRYPTO_WRAPPER(sha512, SHA512)
221 DEFINE_CRYPTO_WRAPPER(ripemd160, RIPEMD160)
222
223 static void run_crypto_aes128(uint8_t *output,
224 const uint8_t *input, unsigned size)
225 {
226 AES_KEY aes;
227 unsigned i;
228
229 AES_set_encrypt_key(hardcoded_key, 128, &aes);
230 size -= 15;
231 for (i = 0; i < size; i += 16)
232 AES_encrypt(input + i, output + i, &aes);
233 }
234
run_crypto_blowfish(uint8_t * output,const uint8_t * input,unsigned size)235 static void run_crypto_blowfish(uint8_t *output,
236 const uint8_t *input, unsigned size)
237 {
238 BF_KEY blowfish;
239 unsigned i;
240
241 BF_set_key(&blowfish, 16, hardcoded_key);
242 for (i = 0; i < size; i += 8)
243 BF_ecb_encrypt(input + i, output + i, &blowfish, 1);
244 }
245
run_crypto_camellia(uint8_t * output,const uint8_t * input,unsigned size)246 static void run_crypto_camellia(uint8_t *output,
247 const uint8_t *input, unsigned size)
248 {
249 CAMELLIA_KEY camellia;
250 unsigned i;
251
252 Camellia_set_key(hardcoded_key, 128, &camellia);
253 size -= 15;
254 for (i = 0; i < size; i += 16)
255 Camellia_ecb_encrypt(input + i, output + i, &camellia, 1);
256 }
257
run_crypto_cast128(uint8_t * output,const uint8_t * input,unsigned size)258 static void run_crypto_cast128(uint8_t *output,
259 const uint8_t *input, unsigned size)
260 {
261 CAST_KEY cast;
262 unsigned i;
263
264 CAST_set_key(&cast, 16, hardcoded_key);
265 for (i = 0; i < size; i += 8)
266 CAST_ecb_encrypt(input + i, output + i, &cast, 1);
267 }
268
run_crypto_des(uint8_t * output,const uint8_t * input,unsigned size)269 static void run_crypto_des(uint8_t *output,
270 const uint8_t *input, unsigned size)
271 {
272 DES_key_schedule des;
273 unsigned i;
274
275 DES_set_key(hardcoded_key, &des);
276 for (i = 0; i < size; i += 8)
277 DES_ecb_encrypt(input + i, output + i, &des, 1);
278 }
279
run_crypto_rc4(uint8_t * output,const uint8_t * input,unsigned size)280 static void run_crypto_rc4(uint8_t *output,
281 const uint8_t *input, unsigned size)
282 {
283 RC4_KEY rc4;
284
285 RC4_set_key(&rc4, 16, hardcoded_key);
286 RC4(&rc4, size, input, output);
287 }
288
289 #define IMPL_USE_crypto(...) IMPL_USE(__VA_ARGS__)
290 #else
291 #define IMPL_USE_crypto(...) /* ignore */
292 #endif
293
294 /***************************************************************************
295 * gcrypt: GnuTLS's libgcrypt
296 ***************************************************************************/
297
298 #if (USE_EXT_LIBS) & USE_gcrypt
299
300 #include <gcrypt.h>
301
302 #define DEFINE_GCRYPT_WRAPPER(suffix, algo) \
303 static void run_gcrypt_ ## suffix(uint8_t *output, \
304 const uint8_t *input, unsigned size) \
305 { \
306 gcry_md_hash_buffer(GCRY_MD_ ## algo, output, input, size); \
307 }
308
DEFINE_GCRYPT_WRAPPER(md5,MD5)309 DEFINE_GCRYPT_WRAPPER(md5, MD5)
310 DEFINE_GCRYPT_WRAPPER(sha1, SHA1)
311 DEFINE_GCRYPT_WRAPPER(sha256, SHA256)
312 DEFINE_GCRYPT_WRAPPER(sha512, SHA512)
313 DEFINE_GCRYPT_WRAPPER(ripemd160, RMD160)
314
315 #define DEFINE_GCRYPT_CYPHER_WRAPPER(suffix, cypher, mode, sz) \
316 static void run_gcrypt_ ## suffix(uint8_t *output, \
317 const uint8_t *input, unsigned size) \
318 { \
319 static gcry_cipher_hd_t suffix; \
320 if (!suffix) \
321 gcry_cipher_open(&suffix, GCRY_CIPHER_ ## cypher, GCRY_CIPHER_MODE_ ## mode, 0); \
322 gcry_cipher_setkey(suffix, hardcoded_key, sz); \
323 gcry_cipher_encrypt(suffix, output, size, input, size); \
324 }
325
326 DEFINE_GCRYPT_CYPHER_WRAPPER(aes128, AES128, ECB, 16)
327 DEFINE_GCRYPT_CYPHER_WRAPPER(blowfish, BLOWFISH, ECB, 16)
328 DEFINE_GCRYPT_CYPHER_WRAPPER(camellia, CAMELLIA128, ECB, 16)
329 DEFINE_GCRYPT_CYPHER_WRAPPER(cast128, CAST5, ECB, 16)
330 DEFINE_GCRYPT_CYPHER_WRAPPER(des, DES, ECB, 8)
331 DEFINE_GCRYPT_CYPHER_WRAPPER(twofish, TWOFISH128, ECB, 16)
332 DEFINE_GCRYPT_CYPHER_WRAPPER(rc4, ARCFOUR, STREAM, 16)
333
334 #define IMPL_USE_gcrypt(...) IMPL_USE(__VA_ARGS__)
335 #else
336 #define IMPL_USE_gcrypt(...) /* ignore */
337 #endif
338
339 /***************************************************************************
340 * mbedcrypto: mbed TLS
341 ***************************************************************************/
342
343 #if (USE_EXT_LIBS) & USE_mbedcrypto
344
345 #include <mbedtls/aes.h>
346 #include <mbedtls/arc4.h>
347 #include <mbedtls/blowfish.h>
348 #include <mbedtls/camellia.h>
349 #include <mbedtls/des.h>
350 #include <mbedtls/md5.h>
351 #include <mbedtls/ripemd160.h>
352 #include <mbedtls/sha1.h>
353 #include <mbedtls/sha256.h>
354 #include <mbedtls/sha512.h>
355 #include <mbedtls/xtea.h>
356
357 #define DEFINE_MBEDCRYPTO_WRAPPER(suffix) \
358 static void run_mbedcrypto_ ## suffix(uint8_t *output, \
359 const uint8_t *input, unsigned size) \
360 { \
361 mbedtls_ ## suffix ## _ret(input, size, output); \
362 }
363
364 #define DEFINE_MBEDCRYPTO_WRAPPER_SHA2(suffix) \
365 static void run_mbedcrypto_ ## suffix(uint8_t *output, \
366 const uint8_t *input, unsigned size) \
367 { \
368 mbedtls_ ## suffix ## _ret(input, size, output, 0); \
369 }
370
371 DEFINE_MBEDCRYPTO_WRAPPER(md5)
372 DEFINE_MBEDCRYPTO_WRAPPER(ripemd160)
373 DEFINE_MBEDCRYPTO_WRAPPER(sha1)
374 DEFINE_MBEDCRYPTO_WRAPPER_SHA2(sha256)
375 DEFINE_MBEDCRYPTO_WRAPPER_SHA2(sha512)
376
377
378 #define DEFINE_MBEDCRYPTO_CYPHER_WRAPPER(suffix, cypher, algo) \
379 static void run_mbedcrypto_ ## suffix(uint8_t *output, \
380 const uint8_t *input, unsigned size) \
381 { \
382 mbedtls_ ## cypher ## _context cypher; \
383 \
384 mbedtls_ ## cypher ## _init(&cypher); \
385 mbedtls_ ## cypher ## _setkey_enc(&cypher, hardcoded_key, 128); \
386 for (int i = 0; i < size; i += 16) \
387 mbedtls_ ## cypher ## _crypt_ecb(&cypher, MBEDTLS_ ## algo ## _ENCRYPT, \
388 input + i, output + i); \
389 mbedtls_ ## cypher ## _free(&cypher); \
390 }
391
392 DEFINE_MBEDCRYPTO_CYPHER_WRAPPER(aes128, aes, AES)
393 DEFINE_MBEDCRYPTO_CYPHER_WRAPPER(camellia, camellia, CAMELLIA)
394
395 static void run_mbedcrypto_blowfish(uint8_t *output,
396 const uint8_t *input, unsigned size)
397 {
398 mbedtls_blowfish_context blowfish;
399
400 mbedtls_blowfish_init(&blowfish);
401 mbedtls_blowfish_setkey(&blowfish, hardcoded_key, 128);
402 for (int i = 0; i < size; i += 8)
403 mbedtls_blowfish_crypt_ecb(&blowfish, MBEDTLS_BLOWFISH_ENCRYPT,
404 input + i, output + i);
405 mbedtls_blowfish_free(&blowfish);
406 }
407
run_mbedcrypto_des(uint8_t * output,const uint8_t * input,unsigned size)408 static void run_mbedcrypto_des(uint8_t *output,
409 const uint8_t *input, unsigned size)
410 {
411 mbedtls_des_context des;
412
413 mbedtls_des_init(&des);
414 mbedtls_des_setkey_enc(&des, hardcoded_key);
415 for (int i = 0; i < size; i += 8)
416 mbedtls_des_crypt_ecb(&des, input + i, output + i);
417 mbedtls_des_free(&des);
418 }
419
run_mbedcrypto_rc4(uint8_t * output,const uint8_t * input,unsigned size)420 static void run_mbedcrypto_rc4(uint8_t *output,
421 const uint8_t *input, unsigned size)
422 {
423 mbedtls_arc4_context rc4;
424
425 mbedtls_arc4_init(&rc4);
426 mbedtls_arc4_setup(&rc4, hardcoded_key, 16);
427 mbedtls_arc4_crypt(&rc4, size, input, output);
428 mbedtls_arc4_free(&rc4);
429 }
430
run_mbedcrypto_xtea(uint8_t * output,const uint8_t * input,unsigned size)431 static void run_mbedcrypto_xtea(uint8_t *output,
432 const uint8_t *input, unsigned size)
433 {
434 mbedtls_xtea_context xtea;
435
436 mbedtls_xtea_init(&xtea);
437 mbedtls_xtea_setup(&xtea, hardcoded_key);
438 for (int i = 0; i < size; i += 8)
439 mbedtls_xtea_crypt_ecb(&xtea, MBEDTLS_XTEA_ENCRYPT,
440 input + i, output + i);
441 mbedtls_xtea_free(&xtea);
442 }
443
444 #define IMPL_USE_mbedcrypto(...) IMPL_USE(__VA_ARGS__)
445 #else
446 #define IMPL_USE_mbedcrypto(...) /* ignore */
447 #endif
448
449 /***************************************************************************
450 * tomcrypt: LibTomCrypt
451 ***************************************************************************/
452
453 #if (USE_EXT_LIBS) & USE_tomcrypt
454
455 #include <tomcrypt.h>
456
457 #define DEFINE_TOMCRYPT_WRAPPER(suffix, namespace, algo) \
458 static void run_tomcrypt_ ## suffix(uint8_t *output, \
459 const uint8_t *input, unsigned size) \
460 { \
461 hash_state md; \
462 namespace ## _init(&md); \
463 namespace ## _process(&md, input, size); \
464 namespace ## _done(&md, output); \
465 }
466
DEFINE_TOMCRYPT_WRAPPER(md5,md5,MD5)467 DEFINE_TOMCRYPT_WRAPPER(md5, md5, MD5)
468 DEFINE_TOMCRYPT_WRAPPER(sha1, sha1, SHA1)
469 DEFINE_TOMCRYPT_WRAPPER(sha256, sha256, SHA256)
470 DEFINE_TOMCRYPT_WRAPPER(sha512, sha512, SHA512)
471 DEFINE_TOMCRYPT_WRAPPER(ripemd128, rmd128, RIPEMD128)
472 DEFINE_TOMCRYPT_WRAPPER(ripemd160, rmd160, RIPEMD160)
473
474 static void run_tomcrypt_aes128(uint8_t *output,
475 const uint8_t *input, unsigned size)
476 {
477 symmetric_key aes;
478 unsigned i;
479
480 aes_setup(hardcoded_key, 16, 0, &aes);
481 size -= 15;
482 for (i = 0; i < size; i += 16)
483 aes_ecb_encrypt(input + i, output + i, &aes);
484 }
485
run_tomcrypt_blowfish(uint8_t * output,const uint8_t * input,unsigned size)486 static void run_tomcrypt_blowfish(uint8_t *output,
487 const uint8_t *input, unsigned size)
488 {
489 symmetric_key blowfish;
490 unsigned i;
491
492 blowfish_setup(hardcoded_key, 16, 0, &blowfish);
493 for (i = 0; i < size; i += 8)
494 blowfish_ecb_encrypt(input + i, output + i, &blowfish);
495 }
496
run_tomcrypt_camellia(uint8_t * output,const uint8_t * input,unsigned size)497 static void run_tomcrypt_camellia(uint8_t *output,
498 const uint8_t *input, unsigned size)
499 {
500 symmetric_key camellia;
501 unsigned i;
502
503 camellia_setup(hardcoded_key, 16, 0, &camellia);
504 size -= 15;
505 for (i = 0; i < size; i += 16)
506 camellia_ecb_encrypt(input + i, output + i, &camellia);
507 }
508
run_tomcrypt_cast128(uint8_t * output,const uint8_t * input,unsigned size)509 static void run_tomcrypt_cast128(uint8_t *output,
510 const uint8_t *input, unsigned size)
511 {
512 symmetric_key cast;
513 unsigned i;
514
515 cast5_setup(hardcoded_key, 16, 0, &cast);
516 for (i = 0; i < size; i += 8)
517 cast5_ecb_encrypt(input + i, output + i, &cast);
518 }
519
run_tomcrypt_des(uint8_t * output,const uint8_t * input,unsigned size)520 static void run_tomcrypt_des(uint8_t *output,
521 const uint8_t *input, unsigned size)
522 {
523 symmetric_key des;
524 unsigned i;
525
526 des_setup(hardcoded_key, 8, 0, &des);
527 for (i = 0; i < size; i += 8)
528 des_ecb_encrypt(input + i, output + i, &des);
529 }
530
run_tomcrypt_rc4(uint8_t * output,const uint8_t * input,unsigned size)531 static void run_tomcrypt_rc4(uint8_t *output,
532 const uint8_t *input, unsigned size)
533 {
534 rc4_state rc4;
535
536 rc4_stream_setup(&rc4, hardcoded_key, 16);
537 rc4_stream_crypt(&rc4, input, size, output);
538 rc4_stream_done(&rc4);
539 }
540
run_tomcrypt_twofish(uint8_t * output,const uint8_t * input,unsigned size)541 static void run_tomcrypt_twofish(uint8_t *output,
542 const uint8_t *input, unsigned size)
543 {
544 symmetric_key twofish;
545 unsigned i;
546
547 twofish_setup(hardcoded_key, 16, 0, &twofish);
548 size -= 15;
549 for (i = 0; i < size; i += 16)
550 twofish_ecb_encrypt(input + i, output + i, &twofish);
551 }
552
run_tomcrypt_xtea(uint8_t * output,const uint8_t * input,unsigned size)553 static void run_tomcrypt_xtea(uint8_t *output,
554 const uint8_t *input, unsigned size)
555 {
556 symmetric_key xtea;
557 unsigned i;
558
559 xtea_setup(hardcoded_key, 16, 0, &xtea);
560 for (i = 0; i < size; i += 8)
561 xtea_ecb_encrypt(input + i, output + i, &xtea);
562 }
563
564
565 #define IMPL_USE_tomcrypt(...) IMPL_USE(__VA_ARGS__)
566 #else
567 #define IMPL_USE_tomcrypt(...) /* ignore */
568 #endif
569
570 /***************************************************************************
571 * Driver code
572 ***************************************************************************/
573
crc32(const uint8_t * data,unsigned size)574 static unsigned crc32(const uint8_t *data, unsigned size)
575 {
576 return av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, data, size);
577 }
578
run_implementation(const uint8_t * input,uint8_t * output,struct hash_impl * impl,unsigned size)579 static void run_implementation(const uint8_t *input, uint8_t *output,
580 struct hash_impl *impl, unsigned size)
581 {
582 uint64_t t0, t1;
583 unsigned nruns = specified_runs ? specified_runs : (1 << 30) / size;
584 unsigned outlen = 0, outcrc = 0;
585 unsigned i, j, val;
586 double mtime, ttime = 0, ttime2 = 0, stime;
587 uint8_t outref[MAX_OUTPUT_SIZE];
588
589 if (enabled_libs && !av_stristr(enabled_libs, impl->lib) ||
590 enabled_algos && !av_stristr(enabled_algos, impl->name))
591 return;
592 if (!sscanf(impl->output, "crc:%x", &outcrc)) {
593 outlen = strlen(impl->output) / 2;
594 for (i = 0; i < outlen; i++) {
595 sscanf(impl->output + i * 2, "%02x", &val);
596 outref[i] = val;
597 }
598 }
599 for (i = 0; i < 8; i++) /* heat caches */
600 impl->run(output, input, size);
601 for (i = 0; i < nruns; i++) {
602 memset(output, 0, size); /* avoid leftovers from previous runs */
603 t0 = AV_READ_TIME();
604 impl->run(output, input, size);
605 t1 = AV_READ_TIME();
606 if (outlen ? memcmp(output, outref, outlen) :
607 crc32(output, size) != outcrc) {
608 fprintf(stderr, "Expected: ");
609 if (outlen)
610 for (j = 0; j < outlen; j++)
611 fprintf(stderr, "%02x", output[j]);
612 else
613 fprintf(stderr, "%08x", crc32(output, size));
614 fprintf(stderr, "\n");
615 fatal_error("output mismatch");
616 }
617 mtime = (double)(t1 - t0) / size;
618 ttime += mtime;
619 ttime2 += mtime * mtime;
620 }
621
622 ttime /= nruns;
623 ttime2 /= nruns;
624 stime = sqrt(ttime2 - ttime * ttime);
625 printf("%-10s %-12s size: %7d runs: %6d time: %8.3f +- %.3f\n",
626 impl->lib, impl->name, size, nruns, ttime, stime);
627 fflush(stdout);
628 }
629
630 #define IMPL_USE(lib, name, symbol, output) \
631 { #lib, name, run_ ## lib ## _ ## symbol, output },
632 #define IMPL(lib, ...) IMPL_USE_ ## lib(lib, __VA_ARGS__)
633 #define IMPL_ALL(...) \
634 IMPL(lavu, __VA_ARGS__) \
635 IMPL(crypto, __VA_ARGS__) \
636 IMPL(gcrypt, __VA_ARGS__) \
637 IMPL(mbedcrypto, __VA_ARGS__) \
638 IMPL(tomcrypt, __VA_ARGS__)
639
640 struct hash_impl implementations[] = {
641 IMPL_ALL("MD5", md5, "aa26ff5b895356bcffd9292ba9f89e66")
642 IMPL_ALL("SHA-1", sha1, "1fd8bd1fa02f5b0fe916b0d71750726b096c5744")
643 IMPL_ALL("SHA-256", sha256, "14028ac673b3087e51a1d407fbf0df4deeec8f217119e13b07bf2138f93db8c5")
644 IMPL_ALL("SHA-512", sha512, "3afdd44a80d99af15c87bd724cb717243193767835ce866dd5d58c02d674bb57"
645 "7c25b9e118c200a189fcd5a01ef106a4e200061f3e97dbf50ba065745fd46bef")
646 IMPL(lavu, "RIPEMD-128", ripemd128, "9ab8bfba2ddccc5d99c9d4cdfb844a5f")
647 IMPL(tomcrypt, "RIPEMD-128", ripemd128, "9ab8bfba2ddccc5d99c9d4cdfb844a5f")
648 IMPL_ALL("RIPEMD-160", ripemd160, "62a5321e4fc8784903bb43ab7752c75f8b25af00")
649 IMPL_ALL("AES-128", aes128, "crc:ff6bc888")
650 IMPL_ALL("CAMELLIA", camellia, "crc:7abb59a7")
651 IMPL(lavu, "CAST-128", cast128, "crc:456aa584")
652 IMPL(crypto, "CAST-128", cast128, "crc:456aa584")
653 IMPL(gcrypt, "CAST-128", cast128, "crc:456aa584")
654 IMPL(tomcrypt, "CAST-128", cast128, "crc:456aa584")
655 IMPL_ALL("BLOWFISH", blowfish, "crc:33e8aa74")
656 IMPL_ALL("DES", des, "crc:31291e0b")
657 IMPL(lavu, "TWOFISH", twofish, "crc:9edbd5c1")
658 IMPL(gcrypt, "TWOFISH", twofish, "crc:9edbd5c1")
659 IMPL(tomcrypt, "TWOFISH", twofish, "crc:9edbd5c1")
660 IMPL_ALL("RC4", rc4, "crc:538d37b2")
661 IMPL(lavu, "XTEA", xtea, "crc:931fc270")
662 IMPL(mbedcrypto, "XTEA", xtea, "crc:931fc270")
663 IMPL(tomcrypt, "XTEA", xtea, "crc:931fc270")
664 };
665
main(int argc,char ** argv)666 int main(int argc, char **argv)
667 {
668 uint8_t *input;
669 uint8_t *output;
670 unsigned i, impl, size;
671 int opt;
672
673 while ((opt = getopt(argc, argv, "hl:a:r:")) != -1) {
674 switch (opt) {
675 case 'l':
676 enabled_libs = optarg;
677 break;
678 case 'a':
679 enabled_algos = optarg;
680 break;
681 case 'r':
682 specified_runs = strtol(optarg, NULL, 0);
683 break;
684 case 'h':
685 default:
686 fprintf(stderr, "Usage: %s [-l libs] [-a algos] [-r runs]\n",
687 argv[0]);
688 if ((USE_EXT_LIBS)) {
689 char buf[1024];
690 snprintf(buf, sizeof(buf), "%s%s%s%s",
691 ((USE_EXT_LIBS) & USE_crypto) ? "+crypto" : "",
692 ((USE_EXT_LIBS) & USE_gcrypt) ? "+gcrypt" : "",
693 ((USE_EXT_LIBS) & USE_mbedcrypto) ? "+mbedcrypto" : "",
694 ((USE_EXT_LIBS) & USE_tomcrypt) ? "+tomcrypt" : "");
695 fprintf(stderr, "Built with the following external libraries:\n"
696 "make VERSUS=%s\n", buf + 1);
697 } else {
698 fprintf(stderr, "Built without external libraries; use\n"
699 "make VERSUS=crypto+gcrypt+mbedcrypto+tomcrypt tools/crypto_bench\n"
700 "to enable them.\n");
701 }
702 exit(opt != 'h');
703 }
704 }
705 input = av_malloc(MAX_INPUT_SIZE * 2);
706 if (!input)
707 fatal_error("out of memory");
708 for (i = 0; i < MAX_INPUT_SIZE; i += 4)
709 AV_WB32(input + i, i);
710
711 output = input + MAX_INPUT_SIZE;
712
713 size = MAX_INPUT_SIZE;
714 for (impl = 0; impl < FF_ARRAY_ELEMS(implementations); impl++)
715 run_implementation(input, output, &implementations[impl], size);
716
717 av_free(input);
718
719 return 0;
720 }
721