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/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <stdio.h>
#include <stdlib.h>
#include "cryptolib.h"
#include "host_common.h"
#include "timer_utils.h"
#define NUM_HASH_ALGORITHMS 3
#define TEST_BUFFER_SIZE 4000000
/* Table of hash function pointers and their description. */
typedef uint8_t* (*Hashptr) (const uint8_t*, uint64_t, uint8_t*);
typedef struct HashFxTable {
Hashptr hash;
char* description;
} HashFxTable;
HashFxTable hash_functions[NUM_HASH_ALGORITHMS] = {
{SHA1, "sha1"},
{SHA256, "sha256"},
{SHA512, "sha512"}
};
int main(int argc, char* argv[]) {
int i;
double speed;
uint32_t msecs;
uint8_t* buffer = (uint8_t*) malloc(TEST_BUFFER_SIZE);
uint8_t* digest = (uint8_t*) malloc(SHA512_DIGEST_SIZE); /* Maximum size of
* the digest. */
ClockTimerState ct;
/* Iterate through all the hash functions. */
for(i = 0; i < NUM_HASH_ALGORITHMS; i++) {
StartTimer(&ct);
hash_functions[i].hash(buffer, TEST_BUFFER_SIZE, digest);
StopTimer(&ct);
msecs = GetDurationMsecs(&ct);
speed = ((TEST_BUFFER_SIZE / 10e6)
/ (msecs / 10e3)); /* Mbytes/sec */
fprintf(stderr, "# %s Time taken = %u ms, Speed = %f Mbytes/sec\n",
hash_functions[i].description, msecs, speed);
fprintf(stdout, "mbytes_per_sec_%s:%f\n",
hash_functions[i].description, speed);
}
free(digest);
free(buffer);
return 0;
}
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