git.sesse.net Git - ffmpeg/blob - tools/crypto_bench.c

   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
  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
  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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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 }