1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/netwerk/srtp/src/crypto/test/stat_driver.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,174 @@
1.4 +/*
1.5 + * stat-driver.c
1.6 + *
1.7 + * test driver for the stat_test functions
1.8 + *
1.9 + * David A. McGrew
1.10 + * Cisco Systems, Inc.
1.11 + */
1.12 +
1.13 +/*
1.14 + *
1.15 + * Copyright (c) 2001-2006, Cisco Systems, Inc.
1.16 + * All rights reserved.
1.17 + *
1.18 + * Redistribution and use in source and binary forms, with or without
1.19 + * modification, are permitted provided that the following conditions
1.20 + * are met:
1.21 + *
1.22 + * Redistributions of source code must retain the above copyright
1.23 + * notice, this list of conditions and the following disclaimer.
1.24 + *
1.25 + * Redistributions in binary form must reproduce the above
1.26 + * copyright notice, this list of conditions and the following
1.27 + * disclaimer in the documentation and/or other materials provided
1.28 + * with the distribution.
1.29 + *
1.30 + * Neither the name of the Cisco Systems, Inc. nor the names of its
1.31 + * contributors may be used to endorse or promote products derived
1.32 + * from this software without specific prior written permission.
1.33 + *
1.34 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.35 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.36 + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
1.37 + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
1.38 + * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
1.39 + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
1.40 + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
1.41 + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.42 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
1.43 + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.44 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
1.45 + * OF THE POSSIBILITY OF SUCH DAMAGE.
1.46 + *
1.47 + */
1.48 +
1.49 +#include <stdio.h> /* for printf() */
1.50 +
1.51 +#include "err.h"
1.52 +#include "stat.h"
1.53 +
1.54 +#include "cipher.h"
1.55 +
1.56 +typedef struct {
1.57 + void *state;
1.58 +} random_source_t;
1.59 +
1.60 +err_status_t
1.61 +random_source_alloc(void);
1.62 +
1.63 +void
1.64 +err_check(err_status_t s) {
1.65 + if (s) {
1.66 + printf("error (code %d)\n", s);
1.67 + exit(1);
1.68 + }
1.69 +}
1.70 +
1.71 +int
1.72 +main (int argc, char *argv[]) {
1.73 + uint8_t buffer[2500];
1.74 + unsigned int buf_len = 2500;
1.75 + int i, j;
1.76 + extern cipher_type_t aes_icm;
1.77 + cipher_t *c;
1.78 + uint8_t key[46] = {
1.79 + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
1.80 + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
1.81 + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
1.82 + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
1.83 + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
1.84 + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05
1.85 + };
1.86 + v128_t nonce;
1.87 + int num_trials = 500;
1.88 + int num_fail;
1.89 +
1.90 + printf("statistical tests driver\n");
1.91 +
1.92 + for (i=0; i < 2500; i++)
1.93 + buffer[i] = 0;
1.94 +
1.95 + /* run tests */
1.96 + printf("running stat_tests on all-null buffer, expecting failure\n");
1.97 + printf("monobit %d\n", stat_test_monobit(buffer));
1.98 + printf("poker %d\n", stat_test_poker(buffer));
1.99 + printf("runs %d\n", stat_test_runs(buffer));
1.100 +
1.101 + for (i=0; i < 2500; i++)
1.102 + buffer[i] = rand();
1.103 + printf("running stat_tests on rand(), expecting success\n");
1.104 + printf("monobit %d\n", stat_test_monobit(buffer));
1.105 + printf("poker %d\n", stat_test_poker(buffer));
1.106 + printf("runs %d\n", stat_test_runs(buffer));
1.107 +
1.108 + printf("running stat_tests on AES-128-ICM, expecting success\n");
1.109 + /* set buffer to cipher output */
1.110 + for (i=0; i < 2500; i++)
1.111 + buffer[i] = 0;
1.112 + err_check(cipher_type_alloc(&aes_icm, &c, 30));
1.113 + err_check(cipher_init(c, key, direction_encrypt));
1.114 + err_check(cipher_set_iv(c, &nonce));
1.115 + err_check(cipher_encrypt(c, buffer, &buf_len));
1.116 + /* run tests on cipher outout */
1.117 + printf("monobit %d\n", stat_test_monobit(buffer));
1.118 + printf("poker %d\n", stat_test_poker(buffer));
1.119 + printf("runs %d\n", stat_test_runs(buffer));
1.120 +
1.121 + printf("runs test (please be patient): ");
1.122 + fflush(stdout);
1.123 + num_fail = 0;
1.124 + v128_set_to_zero(&nonce);
1.125 + for(j=0; j < num_trials; j++) {
1.126 + for (i=0; i < 2500; i++)
1.127 + buffer[i] = 0;
1.128 + nonce.v32[3] = i;
1.129 + err_check(cipher_set_iv(c, &nonce));
1.130 + err_check(cipher_encrypt(c, buffer, &buf_len));
1.131 + if (stat_test_runs(buffer)) {
1.132 + num_fail++;
1.133 + }
1.134 + }
1.135 +
1.136 + printf("%d failures in %d tests\n", num_fail, num_trials);
1.137 + printf("(nota bene: a small fraction of stat_test failures does not \n"
1.138 + "indicate that the random source is invalid)\n");
1.139 +
1.140 + err_check(cipher_dealloc(c));
1.141 +
1.142 + printf("running stat_tests on AES-256-ICM, expecting success\n");
1.143 + /* set buffer to cipher output */
1.144 + for (i=0; i < 2500; i++)
1.145 + buffer[i] = 0;
1.146 + err_check(cipher_type_alloc(&aes_icm, &c, 46));
1.147 + err_check(cipher_init(c, key, direction_encrypt));
1.148 + err_check(cipher_set_iv(c, &nonce));
1.149 + err_check(cipher_encrypt(c, buffer, &buf_len));
1.150 + /* run tests on cipher outout */
1.151 + printf("monobit %d\n", stat_test_monobit(buffer));
1.152 + printf("poker %d\n", stat_test_poker(buffer));
1.153 + printf("runs %d\n", stat_test_runs(buffer));
1.154 +
1.155 + printf("runs test (please be patient): ");
1.156 + fflush(stdout);
1.157 + num_fail = 0;
1.158 + v128_set_to_zero(&nonce);
1.159 + for(j=0; j < num_trials; j++) {
1.160 + for (i=0; i < 2500; i++)
1.161 + buffer[i] = 0;
1.162 + nonce.v32[3] = i;
1.163 + err_check(cipher_set_iv(c, &nonce));
1.164 + err_check(cipher_encrypt(c, buffer, &buf_len));
1.165 + if (stat_test_runs(buffer)) {
1.166 + num_fail++;
1.167 + }
1.168 + }
1.169 +
1.170 + printf("%d failures in %d tests\n", num_fail, num_trials);
1.171 + printf("(nota bene: a small fraction of stat_test failures does not \n"
1.172 + "indicate that the random source is invalid)\n");
1.173 +
1.174 + err_check(cipher_dealloc(c));
1.175 +
1.176 + return 0;
1.177 +}
