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FFmpeg4/tools/crypto_bench.c

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2023-07-02 12:20:28 +00:00
/*
* Copyright (c) 2013 Nicolas George
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with FFmpeg; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* Optional external libraries; can be enabled using:
* make VERSUS=crypto+gcrypt+tomcrypt+mbedcrypto tools/crypto_bench */
#define USE_crypto 0x01 /* OpenSSL's libcrypto */
#define USE_gcrypt 0x02 /* GnuTLS's libgcrypt */
#define USE_tomcrypt 0x04 /* LibTomCrypt */
#define USE_mbedcrypto 0x08 /* mbed TLS */
#include <stdlib.h>
#include <math.h>
#include "libavutil/avutil.h"
#include "libavutil/avstring.h"
#include "libavutil/crc.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/timer.h"
#ifndef AV_READ_TIME
#define AV_READ_TIME(x) 0
#endif
#if HAVE_UNISTD_H
#include <unistd.h> /* for getopt */
#endif
#if !HAVE_GETOPT
#include "compat/getopt.c"
#endif
#define MAX_INPUT_SIZE 1048576
#define MAX_OUTPUT_SIZE 128
static const char *enabled_libs;
static const char *enabled_algos;
static unsigned specified_runs;
static const uint8_t *hardcoded_key = "FFmpeg is the best program ever.";
static void fatal_error(const char *tag)
{
av_log(NULL, AV_LOG_ERROR, "Fatal error: %s\n", tag);
exit(1);
}
struct hash_impl {
const char *lib;
const char *name;
void (*run)(uint8_t *output, const uint8_t *input, unsigned size);
const char *output;
};
/***************************************************************************
* lavu: libavutil
***************************************************************************/
#include "libavutil/md5.h"
#include "libavutil/sha.h"
#include "libavutil/sha512.h"
#include "libavutil/ripemd.h"
#include "libavutil/aes.h"
#include "libavutil/blowfish.h"
#include "libavutil/camellia.h"
#include "libavutil/cast5.h"
#include "libavutil/des.h"
#include "libavutil/twofish.h"
#include "libavutil/rc4.h"
#include "libavutil/xtea.h"
#define IMPL_USE_lavu IMPL_USE
static void run_lavu_md5(uint8_t *output,
const uint8_t *input, unsigned size)
{
av_md5_sum(output, input, size);
}
#define DEFINE_LAVU_MD(suffix, type, namespace, hsize) \
static void run_lavu_ ## suffix(uint8_t *output, \
const uint8_t *input, unsigned size) \
{ \
static struct type *h; \
if (!h && !(h = av_ ## namespace ## _alloc())) \
fatal_error("out of memory"); \
av_ ## namespace ## _init(h, hsize); \
av_ ## namespace ## _update(h, input, size); \
av_ ## namespace ## _final(h, output); \
}
DEFINE_LAVU_MD(sha1, AVSHA, sha, 160);
DEFINE_LAVU_MD(sha256, AVSHA, sha, 256);
DEFINE_LAVU_MD(sha512, AVSHA512, sha512, 512);
DEFINE_LAVU_MD(ripemd128, AVRIPEMD, ripemd, 128);
DEFINE_LAVU_MD(ripemd160, AVRIPEMD, ripemd, 160);
static void run_lavu_aes128(uint8_t *output,
const uint8_t *input, unsigned size)
{
static struct AVAES *aes;
if (!aes && !(aes = av_aes_alloc()))
fatal_error("out of memory");
av_aes_init(aes, hardcoded_key, 128, 0);
av_aes_crypt(aes, output, input, size >> 4, NULL, 0);
}
static void run_lavu_blowfish(uint8_t *output,
const uint8_t *input, unsigned size)
{
static struct AVBlowfish *blowfish;
if (!blowfish && !(blowfish = av_blowfish_alloc()))
fatal_error("out of memory");
av_blowfish_init(blowfish, hardcoded_key, 16);
av_blowfish_crypt(blowfish, output, input, size >> 3, NULL, 0);
}
static void run_lavu_camellia(uint8_t *output,
const uint8_t *input, unsigned size)
{
static struct AVCAMELLIA *camellia;
if (!camellia && !(camellia = av_camellia_alloc()))
fatal_error("out of memory");
av_camellia_init(camellia, hardcoded_key, 128);
av_camellia_crypt(camellia, output, input, size >> 4, NULL, 0);
}
static void run_lavu_cast128(uint8_t *output,
const uint8_t *input, unsigned size)
{
static struct AVCAST5 *cast;
if (!cast && !(cast = av_cast5_alloc()))
fatal_error("out of memory");
av_cast5_init(cast, hardcoded_key, 128);
av_cast5_crypt(cast, output, input, size >> 3, 0);
}
static void run_lavu_des(uint8_t *output,
const uint8_t *input, unsigned size)
{
static struct AVDES *des;
if (!des && !(des = av_des_alloc()))
fatal_error("out of memory");
av_des_init(des, hardcoded_key, 64, 0);
av_des_crypt(des, output, input, size >> 3, NULL, 0);
}
static void run_lavu_twofish(uint8_t *output,
const uint8_t *input, unsigned size)
{
static struct AVTWOFISH *twofish;
if (!twofish && !(twofish = av_twofish_alloc()))
fatal_error("out of memory");
av_twofish_init(twofish, hardcoded_key, 128);
av_twofish_crypt(twofish, output, input, size >> 4, NULL, 0);
}
static void run_lavu_rc4(uint8_t *output,
const uint8_t *input, unsigned size)
{
static struct AVRC4 *rc4;
if (!rc4 && !(rc4 = av_rc4_alloc()))
fatal_error("out of memory");
av_rc4_init(rc4, hardcoded_key, 128, 0);
av_rc4_crypt(rc4, output, input, size, NULL, 0);
}
static void run_lavu_xtea(uint8_t *output,
const uint8_t *input, unsigned size)
{
static struct AVXTEA *xtea;
if (!xtea && !(xtea = av_xtea_alloc()))
fatal_error("out of memory");
av_xtea_init(xtea, hardcoded_key);
av_xtea_crypt(xtea, output, input, size >> 3, NULL, 0);
}
/***************************************************************************
* crypto: OpenSSL's libcrypto
***************************************************************************/
#if (USE_EXT_LIBS) & USE_crypto
#define OPENSSL_DISABLE_OLD_DES_SUPPORT
#include <openssl/md5.h>
#include <openssl/sha.h>
#include <openssl/ripemd.h>
#include <openssl/aes.h>
#include <openssl/blowfish.h>
#include <openssl/camellia.h>
#include <openssl/cast.h>
#include <openssl/des.h>
#include <openssl/rc4.h>
#define DEFINE_CRYPTO_WRAPPER(suffix, function) \
static void run_crypto_ ## suffix(uint8_t *output, \
const uint8_t *input, unsigned size) \
{ \
function(input, size, output); \
}
DEFINE_CRYPTO_WRAPPER(md5, MD5)
DEFINE_CRYPTO_WRAPPER(sha1, SHA1)
DEFINE_CRYPTO_WRAPPER(sha256, SHA256)
DEFINE_CRYPTO_WRAPPER(sha512, SHA512)
DEFINE_CRYPTO_WRAPPER(ripemd160, RIPEMD160)
static void run_crypto_aes128(uint8_t *output,
const uint8_t *input, unsigned size)
{
AES_KEY aes;
unsigned i;
AES_set_encrypt_key(hardcoded_key, 128, &aes);
size -= 15;
for (i = 0; i < size; i += 16)
AES_encrypt(input + i, output + i, &aes);
}
static void run_crypto_blowfish(uint8_t *output,
const uint8_t *input, unsigned size)
{
BF_KEY blowfish;
unsigned i;
BF_set_key(&blowfish, 16, hardcoded_key);
for (i = 0; i < size; i += 8)
BF_ecb_encrypt(input + i, output + i, &blowfish, 1);
}
static void run_crypto_camellia(uint8_t *output,
const uint8_t *input, unsigned size)
{
CAMELLIA_KEY camellia;
unsigned i;
Camellia_set_key(hardcoded_key, 128, &camellia);
size -= 15;
for (i = 0; i < size; i += 16)
Camellia_ecb_encrypt(input + i, output + i, &camellia, 1);
}
static void run_crypto_cast128(uint8_t *output,
const uint8_t *input, unsigned size)
{
CAST_KEY cast;
unsigned i;
CAST_set_key(&cast, 16, hardcoded_key);
for (i = 0; i < size; i += 8)
CAST_ecb_encrypt(input + i, output + i, &cast, 1);
}
static void run_crypto_des(uint8_t *output,
const uint8_t *input, unsigned size)
{
DES_key_schedule des;
unsigned i;
DES_set_key(hardcoded_key, &des);
for (i = 0; i < size; i += 8)
DES_ecb_encrypt(input + i, output + i, &des, 1);
}
static void run_crypto_rc4(uint8_t *output,
const uint8_t *input, unsigned size)
{
RC4_KEY rc4;
RC4_set_key(&rc4, 16, hardcoded_key);
RC4(&rc4, size, input, output);
}
#define IMPL_USE_crypto(...) IMPL_USE(__VA_ARGS__)
#else
#define IMPL_USE_crypto(...) /* ignore */
#endif
/***************************************************************************
* gcrypt: GnuTLS's libgcrypt
***************************************************************************/
#if (USE_EXT_LIBS) & USE_gcrypt
#include <gcrypt.h>
#define DEFINE_GCRYPT_WRAPPER(suffix, algo) \
static void run_gcrypt_ ## suffix(uint8_t *output, \
const uint8_t *input, unsigned size) \
{ \
gcry_md_hash_buffer(GCRY_MD_ ## algo, output, input, size); \
}
DEFINE_GCRYPT_WRAPPER(md5, MD5)
DEFINE_GCRYPT_WRAPPER(sha1, SHA1)
DEFINE_GCRYPT_WRAPPER(sha256, SHA256)
DEFINE_GCRYPT_WRAPPER(sha512, SHA512)
DEFINE_GCRYPT_WRAPPER(ripemd160, RMD160)
#define DEFINE_GCRYPT_CYPHER_WRAPPER(suffix, cypher, mode, sz) \
static void run_gcrypt_ ## suffix(uint8_t *output, \
const uint8_t *input, unsigned size) \
{ \
static gcry_cipher_hd_t suffix; \
if (!suffix) \
gcry_cipher_open(&suffix, GCRY_CIPHER_ ## cypher, GCRY_CIPHER_MODE_ ## mode, 0); \
gcry_cipher_setkey(suffix, hardcoded_key, sz); \
gcry_cipher_encrypt(suffix, output, size, input, size); \
}
DEFINE_GCRYPT_CYPHER_WRAPPER(aes128, AES128, ECB, 16)
DEFINE_GCRYPT_CYPHER_WRAPPER(blowfish, BLOWFISH, ECB, 16)
DEFINE_GCRYPT_CYPHER_WRAPPER(camellia, CAMELLIA128, ECB, 16)
DEFINE_GCRYPT_CYPHER_WRAPPER(cast128, CAST5, ECB, 16)
DEFINE_GCRYPT_CYPHER_WRAPPER(des, DES, ECB, 8)
DEFINE_GCRYPT_CYPHER_WRAPPER(twofish, TWOFISH128, ECB, 16)
DEFINE_GCRYPT_CYPHER_WRAPPER(rc4, ARCFOUR, STREAM, 16)
#define IMPL_USE_gcrypt(...) IMPL_USE(__VA_ARGS__)
#else
#define IMPL_USE_gcrypt(...) /* ignore */
#endif
/***************************************************************************
* mbedcrypto: mbed TLS
***************************************************************************/
#if (USE_EXT_LIBS) & USE_mbedcrypto
#include <mbedtls/aes.h>
#include <mbedtls/arc4.h>
#include <mbedtls/blowfish.h>
#include <mbedtls/camellia.h>
#include <mbedtls/des.h>
#include <mbedtls/md5.h>
#include <mbedtls/ripemd160.h>
#include <mbedtls/sha1.h>
#include <mbedtls/sha256.h>
#include <mbedtls/sha512.h>
#include <mbedtls/xtea.h>
#define DEFINE_MBEDCRYPTO_WRAPPER(suffix) \
static void run_mbedcrypto_ ## suffix(uint8_t *output, \
const uint8_t *input, unsigned size) \
{ \
mbedtls_ ## suffix ## _ret(input, size, output); \
}
#define DEFINE_MBEDCRYPTO_WRAPPER_SHA2(suffix) \
static void run_mbedcrypto_ ## suffix(uint8_t *output, \
const uint8_t *input, unsigned size) \
{ \
mbedtls_ ## suffix ## _ret(input, size, output, 0); \
}
DEFINE_MBEDCRYPTO_WRAPPER(md5)
DEFINE_MBEDCRYPTO_WRAPPER(ripemd160)
DEFINE_MBEDCRYPTO_WRAPPER(sha1)
DEFINE_MBEDCRYPTO_WRAPPER_SHA2(sha256)
DEFINE_MBEDCRYPTO_WRAPPER_SHA2(sha512)
#define DEFINE_MBEDCRYPTO_CYPHER_WRAPPER(suffix, cypher, algo) \
static void run_mbedcrypto_ ## suffix(uint8_t *output, \
const uint8_t *input, unsigned size) \
{ \
mbedtls_ ## cypher ## _context cypher; \
\
mbedtls_ ## cypher ## _init(&cypher); \
mbedtls_ ## cypher ## _setkey_enc(&cypher, hardcoded_key, 128); \
for (int i = 0; i < size; i += 16) \
mbedtls_ ## cypher ## _crypt_ecb(&cypher, MBEDTLS_ ## algo ## _ENCRYPT, \
input + i, output + i); \
mbedtls_ ## cypher ## _free(&cypher); \
}
DEFINE_MBEDCRYPTO_CYPHER_WRAPPER(aes128, aes, AES)
DEFINE_MBEDCRYPTO_CYPHER_WRAPPER(camellia, camellia, CAMELLIA)
static void run_mbedcrypto_blowfish(uint8_t *output,
const uint8_t *input, unsigned size)
{
mbedtls_blowfish_context blowfish;
mbedtls_blowfish_init(&blowfish);
mbedtls_blowfish_setkey(&blowfish, hardcoded_key, 128);
for (int i = 0; i < size; i += 8)
mbedtls_blowfish_crypt_ecb(&blowfish, MBEDTLS_BLOWFISH_ENCRYPT,
input + i, output + i);
mbedtls_blowfish_free(&blowfish);
}
static void run_mbedcrypto_des(uint8_t *output,
const uint8_t *input, unsigned size)
{
mbedtls_des_context des;
mbedtls_des_init(&des);
mbedtls_des_setkey_enc(&des, hardcoded_key);
for (int i = 0; i < size; i += 8)
mbedtls_des_crypt_ecb(&des, input + i, output + i);
mbedtls_des_free(&des);
}
static void run_mbedcrypto_rc4(uint8_t *output,
const uint8_t *input, unsigned size)
{
mbedtls_arc4_context rc4;
mbedtls_arc4_init(&rc4);
mbedtls_arc4_setup(&rc4, hardcoded_key, 16);
mbedtls_arc4_crypt(&rc4, size, input, output);
mbedtls_arc4_free(&rc4);
}
static void run_mbedcrypto_xtea(uint8_t *output,
const uint8_t *input, unsigned size)
{
mbedtls_xtea_context xtea;
mbedtls_xtea_init(&xtea);
mbedtls_xtea_setup(&xtea, hardcoded_key);
for (int i = 0; i < size; i += 8)
mbedtls_xtea_crypt_ecb(&xtea, MBEDTLS_XTEA_ENCRYPT,
input + i, output + i);
mbedtls_xtea_free(&xtea);
}
#define IMPL_USE_mbedcrypto(...) IMPL_USE(__VA_ARGS__)
#else
#define IMPL_USE_mbedcrypto(...) /* ignore */
#endif
/***************************************************************************
* tomcrypt: LibTomCrypt
***************************************************************************/
#if (USE_EXT_LIBS) & USE_tomcrypt
#include <tomcrypt.h>
#define DEFINE_TOMCRYPT_WRAPPER(suffix, namespace, algo) \
static void run_tomcrypt_ ## suffix(uint8_t *output, \
const uint8_t *input, unsigned size) \
{ \
hash_state md; \
namespace ## _init(&md); \
namespace ## _process(&md, input, size); \
namespace ## _done(&md, output); \
}
DEFINE_TOMCRYPT_WRAPPER(md5, md5, MD5)
DEFINE_TOMCRYPT_WRAPPER(sha1, sha1, SHA1)
DEFINE_TOMCRYPT_WRAPPER(sha256, sha256, SHA256)
DEFINE_TOMCRYPT_WRAPPER(sha512, sha512, SHA512)
DEFINE_TOMCRYPT_WRAPPER(ripemd128, rmd128, RIPEMD128)
DEFINE_TOMCRYPT_WRAPPER(ripemd160, rmd160, RIPEMD160)
static void run_tomcrypt_aes128(uint8_t *output,
const uint8_t *input, unsigned size)
{
symmetric_key aes;
unsigned i;
aes_setup(hardcoded_key, 16, 0, &aes);
size -= 15;
for (i = 0; i < size; i += 16)
aes_ecb_encrypt(input + i, output + i, &aes);
}
static void run_tomcrypt_blowfish(uint8_t *output,
const uint8_t *input, unsigned size)
{
symmetric_key blowfish;
unsigned i;
blowfish_setup(hardcoded_key, 16, 0, &blowfish);
for (i = 0; i < size; i += 8)
blowfish_ecb_encrypt(input + i, output + i, &blowfish);
}
static void run_tomcrypt_camellia(uint8_t *output,
const uint8_t *input, unsigned size)
{
symmetric_key camellia;
unsigned i;
camellia_setup(hardcoded_key, 16, 0, &camellia);
size -= 15;
for (i = 0; i < size; i += 16)
camellia_ecb_encrypt(input + i, output + i, &camellia);
}
static void run_tomcrypt_cast128(uint8_t *output,
const uint8_t *input, unsigned size)
{
symmetric_key cast;
unsigned i;
cast5_setup(hardcoded_key, 16, 0, &cast);
for (i = 0; i < size; i += 8)
cast5_ecb_encrypt(input + i, output + i, &cast);
}
static void run_tomcrypt_des(uint8_t *output,
const uint8_t *input, unsigned size)
{
symmetric_key des;
unsigned i;
des_setup(hardcoded_key, 8, 0, &des);
for (i = 0; i < size; i += 8)
des_ecb_encrypt(input + i, output + i, &des);
}
static void run_tomcrypt_rc4(uint8_t *output,
const uint8_t *input, unsigned size)
{
rc4_state rc4;
rc4_stream_setup(&rc4, hardcoded_key, 16);
rc4_stream_crypt(&rc4, input, size, output);
rc4_stream_done(&rc4);
}
static void run_tomcrypt_twofish(uint8_t *output,
const uint8_t *input, unsigned size)
{
symmetric_key twofish;
unsigned i;
twofish_setup(hardcoded_key, 16, 0, &twofish);
size -= 15;
for (i = 0; i < size; i += 16)
twofish_ecb_encrypt(input + i, output + i, &twofish);
}
static void run_tomcrypt_xtea(uint8_t *output,
const uint8_t *input, unsigned size)
{
symmetric_key xtea;
unsigned i;
xtea_setup(hardcoded_key, 16, 0, &xtea);
for (i = 0; i < size; i += 8)
xtea_ecb_encrypt(input + i, output + i, &xtea);
}
#define IMPL_USE_tomcrypt(...) IMPL_USE(__VA_ARGS__)
#else
#define IMPL_USE_tomcrypt(...) /* ignore */
#endif
/***************************************************************************
* Driver code
***************************************************************************/
static unsigned crc32(const uint8_t *data, unsigned size)
{
return av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, data, size);
}
static void run_implementation(const uint8_t *input, uint8_t *output,
struct hash_impl *impl, unsigned size)
{
uint64_t t0, t1;
unsigned nruns = specified_runs ? specified_runs : (1 << 30) / size;
unsigned outlen = 0, outcrc = 0;
unsigned i, j, val;
double mtime, ttime = 0, ttime2 = 0, stime;
uint8_t outref[MAX_OUTPUT_SIZE];
if (enabled_libs && !av_stristr(enabled_libs, impl->lib) ||
enabled_algos && !av_stristr(enabled_algos, impl->name))
return;
if (!sscanf(impl->output, "crc:%x", &outcrc)) {
outlen = strlen(impl->output) / 2;
for (i = 0; i < outlen; i++) {
sscanf(impl->output + i * 2, "%02x", &val);
outref[i] = val;
}
}
for (i = 0; i < 8; i++) /* heat caches */
impl->run(output, input, size);
for (i = 0; i < nruns; i++) {
memset(output, 0, size); /* avoid leftovers from previous runs */
t0 = AV_READ_TIME();
impl->run(output, input, size);
t1 = AV_READ_TIME();
if (outlen ? memcmp(output, outref, outlen) :
crc32(output, size) != outcrc) {
fprintf(stderr, "Expected: ");
if (outlen)
for (j = 0; j < outlen; j++)
fprintf(stderr, "%02x", output[j]);
else
fprintf(stderr, "%08x", crc32(output, size));
fprintf(stderr, "\n");
fatal_error("output mismatch");
}
mtime = (double)(t1 - t0) / size;
ttime += mtime;
ttime2 += mtime * mtime;
}
ttime /= nruns;
ttime2 /= nruns;
stime = sqrt(ttime2 - ttime * ttime);
printf("%-10s %-12s size: %7d runs: %6d time: %8.3f +- %.3f\n",
impl->lib, impl->name, size, nruns, ttime, stime);
fflush(stdout);
}
#define IMPL_USE(lib, name, symbol, output) \
{ #lib, name, run_ ## lib ## _ ## symbol, output },
#define IMPL(lib, ...) IMPL_USE_ ## lib(lib, __VA_ARGS__)
#define IMPL_ALL(...) \
IMPL(lavu, __VA_ARGS__) \
IMPL(crypto, __VA_ARGS__) \
IMPL(gcrypt, __VA_ARGS__) \
IMPL(mbedcrypto, __VA_ARGS__) \
IMPL(tomcrypt, __VA_ARGS__)
struct hash_impl implementations[] = {
IMPL_ALL("MD5", md5, "aa26ff5b895356bcffd9292ba9f89e66")
IMPL_ALL("SHA-1", sha1, "1fd8bd1fa02f5b0fe916b0d71750726b096c5744")
IMPL_ALL("SHA-256", sha256, "14028ac673b3087e51a1d407fbf0df4deeec8f217119e13b07bf2138f93db8c5")
IMPL_ALL("SHA-512", sha512, "3afdd44a80d99af15c87bd724cb717243193767835ce866dd5d58c02d674bb57"
"7c25b9e118c200a189fcd5a01ef106a4e200061f3e97dbf50ba065745fd46bef")
IMPL(lavu, "RIPEMD-128", ripemd128, "9ab8bfba2ddccc5d99c9d4cdfb844a5f")
IMPL(tomcrypt, "RIPEMD-128", ripemd128, "9ab8bfba2ddccc5d99c9d4cdfb844a5f")
IMPL_ALL("RIPEMD-160", ripemd160, "62a5321e4fc8784903bb43ab7752c75f8b25af00")
IMPL_ALL("AES-128", aes128, "crc:ff6bc888")
IMPL_ALL("CAMELLIA", camellia, "crc:7abb59a7")
IMPL(lavu, "CAST-128", cast128, "crc:456aa584")
IMPL(crypto, "CAST-128", cast128, "crc:456aa584")
IMPL(gcrypt, "CAST-128", cast128, "crc:456aa584")
IMPL(tomcrypt, "CAST-128", cast128, "crc:456aa584")
IMPL_ALL("BLOWFISH", blowfish, "crc:33e8aa74")
IMPL_ALL("DES", des, "crc:31291e0b")
IMPL(lavu, "TWOFISH", twofish, "crc:9edbd5c1")
IMPL(gcrypt, "TWOFISH", twofish, "crc:9edbd5c1")
IMPL(tomcrypt, "TWOFISH", twofish, "crc:9edbd5c1")
IMPL_ALL("RC4", rc4, "crc:538d37b2")
IMPL(lavu, "XTEA", xtea, "crc:931fc270")
IMPL(mbedcrypto, "XTEA", xtea, "crc:931fc270")
IMPL(tomcrypt, "XTEA", xtea, "crc:931fc270")
};
int main(int argc, char **argv)
{
uint8_t *input;
uint8_t *output;
unsigned i, impl, size;
int opt;
while ((opt = getopt(argc, argv, "hl:a:r:")) != -1) {
switch (opt) {
case 'l':
enabled_libs = optarg;
break;
case 'a':
enabled_algos = optarg;
break;
case 'r':
specified_runs = strtol(optarg, NULL, 0);
break;
case 'h':
default:
fprintf(stderr, "Usage: %s [-l libs] [-a algos] [-r runs]\n",
argv[0]);
if ((USE_EXT_LIBS)) {
char buf[1024];
snprintf(buf, sizeof(buf), "%s%s%s%s",
((USE_EXT_LIBS) & USE_crypto) ? "+crypto" : "",
((USE_EXT_LIBS) & USE_gcrypt) ? "+gcrypt" : "",
((USE_EXT_LIBS) & USE_mbedcrypto) ? "+mbedcrypto" : "",
((USE_EXT_LIBS) & USE_tomcrypt) ? "+tomcrypt" : "");
fprintf(stderr, "Built with the following external libraries:\n"
"make VERSUS=%s\n", buf + 1);
} else {
fprintf(stderr, "Built without external libraries; use\n"
"make VERSUS=crypto+gcrypt+mbedcrypto+tomcrypt tools/crypto_bench\n"
"to enable them.\n");
}
exit(opt != 'h');
}
}
input = av_malloc(MAX_INPUT_SIZE * 2);
if (!input)
fatal_error("out of memory");
for (i = 0; i < MAX_INPUT_SIZE; i += 4)
AV_WB32(input + i, i);
output = input + MAX_INPUT_SIZE;
size = MAX_INPUT_SIZE;
for (impl = 0; impl < FF_ARRAY_ELEMS(implementations); impl++)
run_implementation(input, output, &implementations[impl], size);
av_free(input);
return 0;
}