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1 /* | 1 /* |
2 * stats.c | 2 * stats.c |
3 * | 3 * |
4 * statistical tests for randomness (FIPS 140-2, Section 4.9) | 4 * statistical tests for randomness (FIPS 140-2, Section 4.9) |
5 * | 5 * |
6 * David A. McGrew | 6 * David A. McGrew |
7 * Cisco Systems, Inc. | 7 * Cisco Systems, Inc. |
8 */ | 8 */ |
9 /* | 9 |
10 *» | 10 #ifdef HAVE_CONFIG_H |
11 * Copyright (c) 2001-2006, Cisco Systems, Inc. | 11 #include <config.h> |
12 * All rights reserved. | 12 #endif |
13 * | |
14 * Redistribution and use in source and binary forms, with or without | |
15 * modification, are permitted provided that the following conditions | |
16 * are met: | |
17 * | |
18 * Redistributions of source code must retain the above copyright | |
19 * notice, this list of conditions and the following disclaimer. | |
20 * | |
21 * Redistributions in binary form must reproduce the above | |
22 * copyright notice, this list of conditions and the following | |
23 * disclaimer in the documentation and/or other materials provided | |
24 * with the distribution. | |
25 * | |
26 * Neither the name of the Cisco Systems, Inc. nor the names of its | |
27 * contributors may be used to endorse or promote products derived | |
28 * from this software without specific prior written permission. | |
29 * | |
30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
31 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
32 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
33 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
34 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
35 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
36 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
37 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
41 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
42 * | |
43 */ | |
44 | 13 |
45 #include "stat.h" | 14 #include "stat.h" |
46 | 15 |
47 debug_module_t mod_stat = { | 16 debug_module_t mod_stat = { |
48 0, /* debugging is off by default */ | 17 0, /* debugging is off by default */ |
49 (char *)"stat test" /* printable module name */ | 18 (char *)"stat test" /* printable module name */ |
50 }; | 19 }; |
51 | 20 |
52 /* | 21 /* |
53 * each test assumes that 20,000 bits (2500 octets) of data is | 22 * each test assumes that 20,000 bits (2500 octets) of data is |
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393 for (i=0; i < num_trials; i++) { | 362 for (i=0; i < num_trials; i++) { |
394 err = stat_test_rand_source(source); | 363 err = stat_test_rand_source(source); |
395 if (err == err_status_ok) { | 364 if (err == err_status_ok) { |
396 return err_status_ok; | 365 return err_status_ok; |
397 } | 366 } |
398 debug_print(mod_stat, "failed stat test (try number %d)\n", i); | 367 debug_print(mod_stat, "failed stat test (try number %d)\n", i); |
399 } | 368 } |
400 | 369 |
401 return err; | 370 return err; |
402 } | 371 } |
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