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Annotation of embedaddon/strongswan/scripts/hash_burn.c, revision 1.1.1.1

1.1       misho       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: }