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Strongswan

    1: /*
    2:  * Copyright (C) 2012 Martin Willi
    3:  * Copyright (C) 2012 revosec AG
    4:  *
    5:  * This program is free software; you can redistribute it and/or modify it
    6:  * under the terms of the GNU General Public License as published by the
    7:  * Free Software Foundation; either version 2 of the License, or (at your
    8:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
    9:  *
   10:  * This program is distributed in the hope that it will be useful, but
   11:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   12:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   13:  * for more details.
   14:  */
   15: 
   16: #include <stdio.h>
   17: #include <library.h>
   18: 
   19: 
   20: 
   21: int main(int argc, char *argv[])
   22: {
   23: 	hash_algorithm_t alg;
   24: 	hasher_t *hasher;
   25: 	char buffer[1024];
   26: 	int limit = 0, i = 0;
   27: 
   28: 	library_init(NULL, "hash_burn");
   29: 	lib->plugins->load(lib->plugins, PLUGINS);
   30: 	atexit(library_deinit);
   31: 
   32: 	printf("loaded: %s\n", PLUGINS);
   33: 
   34: 	memset(buffer, 0x12, sizeof(buffer));
   35: 
   36: 	if (argc < 2)
   37: 	{
   38: 		fprintf(stderr, "usage: %s <algorithm>!\n", argv[0]);
   39: 		return 1;
   40: 	}
   41: 	if (argc > 2)
   42: 	{
   43: 		limit = atoi(argv[2]);
   44: 	}
   45: 
   46: 	if (!enum_from_name(hash_algorithm_short_names, argv[1], &alg))
   47: 	{
   48: 		fprintf(stderr, "unknown hash algorithm: %s\n", argv[1]);
   49: 		return 1;
   50: 	}
   51: 	hasher = lib->crypto->create_hasher(lib->crypto, alg);
   52: 	if (!hasher)
   53: 	{
   54: 		fprintf(stderr, "hash algorithm not supported: %N\n",
   55: 				hash_algorithm_names, alg);
   56: 		return 1;
   57: 	}
   58: 
   59: 	while (TRUE)
   60: 	{
   61: 		if (!hasher->get_hash(hasher, chunk_from_thing(buffer), buffer))
   62: 		{
   63: 			fprintf(stderr, "hashing failed!\n");
   64: 			return 1;
   65: 		}
   66: 		if (limit && ++i == limit)
   67: 		{
   68: 			break;
   69: 		}
   70: 	}
   71: 	hasher->destroy(hasher);
   72: 	return 0;
   73: }