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comparison: netwerk/srtp/src/crypto/test/stat_driver.c
netwerk/srtp/src/crypto/test/stat_driver.c
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| -1:000000000000 | 0:18205b734d89 |
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| 1 /* | |
| 2 * stat-driver.c | |
| 3 * | |
| 4 * test driver for the stat_test functions | |
| 5 * | |
| 6 * David A. McGrew | |
| 7 * Cisco Systems, Inc. | |
| 8 */ | |
| 9 | |
| 10 /* | |
| 11 * | |
| 12 * Copyright (c) 2001-2006, Cisco Systems, Inc. | |
| 13 * All rights reserved. | |
| 14 * | |
| 15 * Redistribution and use in source and binary forms, with or without | |
| 16 * modification, are permitted provided that the following conditions | |
| 17 * are met: | |
| 18 * | |
| 19 * Redistributions of source code must retain the above copyright | |
| 20 * notice, this list of conditions and the following disclaimer. | |
| 21 * | |
| 22 * Redistributions in binary form must reproduce the above | |
| 23 * copyright notice, this list of conditions and the following | |
| 24 * disclaimer in the documentation and/or other materials provided | |
| 25 * with the distribution. | |
| 26 * | |
| 27 * Neither the name of the Cisco Systems, Inc. nor the names of its | |
| 28 * contributors may be used to endorse or promote products derived | |
| 29 * from this software without specific prior written permission. | |
| 30 * | |
| 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| 34 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
| 35 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
| 36 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 37 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 38 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 40 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 41 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 42 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 43 * | |
| 44 */ | |
| 45 | |
| 46 #include <stdio.h> /* for printf() */ | |
| 47 | |
| 48 #include "err.h" | |
| 49 #include "stat.h" | |
| 50 | |
| 51 #include "cipher.h" | |
| 52 | |
| 53 typedef struct { | |
| 54 void *state; | |
| 55 } random_source_t; | |
| 56 | |
| 57 err_status_t | |
| 58 random_source_alloc(void); | |
| 59 | |
| 60 void | |
| 61 err_check(err_status_t s) { | |
| 62 if (s) { | |
| 63 printf("error (code %d)\n", s); | |
| 64 exit(1); | |
| 65 } | |
| 66 } | |
| 67 | |
| 68 int | |
| 69 main (int argc, char *argv[]) { | |
| 70 uint8_t buffer[2500]; | |
| 71 unsigned int buf_len = 2500; | |
| 72 int i, j; | |
| 73 extern cipher_type_t aes_icm; | |
| 74 cipher_t *c; | |
| 75 uint8_t key[46] = { | |
| 76 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | |
| 77 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | |
| 78 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | |
| 79 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | |
| 80 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | |
| 81 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 | |
| 82 }; | |
| 83 v128_t nonce; | |
| 84 int num_trials = 500; | |
| 85 int num_fail; | |
| 86 | |
| 87 printf("statistical tests driver\n"); | |
| 88 | |
| 89 for (i=0; i < 2500; i++) | |
| 90 buffer[i] = 0; | |
| 91 | |
| 92 /* run tests */ | |
| 93 printf("running stat_tests on all-null buffer, expecting failure\n"); | |
| 94 printf("monobit %d\n", stat_test_monobit(buffer)); | |
| 95 printf("poker %d\n", stat_test_poker(buffer)); | |
| 96 printf("runs %d\n", stat_test_runs(buffer)); | |
| 97 | |
| 98 for (i=0; i < 2500; i++) | |
| 99 buffer[i] = rand(); | |
| 100 printf("running stat_tests on rand(), expecting success\n"); | |
| 101 printf("monobit %d\n", stat_test_monobit(buffer)); | |
| 102 printf("poker %d\n", stat_test_poker(buffer)); | |
| 103 printf("runs %d\n", stat_test_runs(buffer)); | |
| 104 | |
| 105 printf("running stat_tests on AES-128-ICM, expecting success\n"); | |
| 106 /* set buffer to cipher output */ | |
| 107 for (i=0; i < 2500; i++) | |
| 108 buffer[i] = 0; | |
| 109 err_check(cipher_type_alloc(&aes_icm, &c, 30)); | |
| 110 err_check(cipher_init(c, key, direction_encrypt)); | |
| 111 err_check(cipher_set_iv(c, &nonce)); | |
| 112 err_check(cipher_encrypt(c, buffer, &buf_len)); | |
| 113 /* run tests on cipher outout */ | |
| 114 printf("monobit %d\n", stat_test_monobit(buffer)); | |
| 115 printf("poker %d\n", stat_test_poker(buffer)); | |
| 116 printf("runs %d\n", stat_test_runs(buffer)); | |
| 117 | |
| 118 printf("runs test (please be patient): "); | |
| 119 fflush(stdout); | |
| 120 num_fail = 0; | |
| 121 v128_set_to_zero(&nonce); | |
| 122 for(j=0; j < num_trials; j++) { | |
| 123 for (i=0; i < 2500; i++) | |
| 124 buffer[i] = 0; | |
| 125 nonce.v32[3] = i; | |
| 126 err_check(cipher_set_iv(c, &nonce)); | |
| 127 err_check(cipher_encrypt(c, buffer, &buf_len)); | |
| 128 if (stat_test_runs(buffer)) { | |
| 129 num_fail++; | |
| 130 } | |
| 131 } | |
| 132 | |
| 133 printf("%d failures in %d tests\n", num_fail, num_trials); | |
| 134 printf("(nota bene: a small fraction of stat_test failures does not \n" | |
| 135 "indicate that the random source is invalid)\n"); | |
| 136 | |
| 137 err_check(cipher_dealloc(c)); | |
| 138 | |
| 139 printf("running stat_tests on AES-256-ICM, expecting success\n"); | |
| 140 /* set buffer to cipher output */ | |
| 141 for (i=0; i < 2500; i++) | |
| 142 buffer[i] = 0; | |
| 143 err_check(cipher_type_alloc(&aes_icm, &c, 46)); | |
| 144 err_check(cipher_init(c, key, direction_encrypt)); | |
| 145 err_check(cipher_set_iv(c, &nonce)); | |
| 146 err_check(cipher_encrypt(c, buffer, &buf_len)); | |
| 147 /* run tests on cipher outout */ | |
| 148 printf("monobit %d\n", stat_test_monobit(buffer)); | |
| 149 printf("poker %d\n", stat_test_poker(buffer)); | |
| 150 printf("runs %d\n", stat_test_runs(buffer)); | |
| 151 | |
| 152 printf("runs test (please be patient): "); | |
| 153 fflush(stdout); | |
| 154 num_fail = 0; | |
| 155 v128_set_to_zero(&nonce); | |
| 156 for(j=0; j < num_trials; j++) { | |
| 157 for (i=0; i < 2500; i++) | |
| 158 buffer[i] = 0; | |
| 159 nonce.v32[3] = i; | |
| 160 err_check(cipher_set_iv(c, &nonce)); | |
| 161 err_check(cipher_encrypt(c, buffer, &buf_len)); | |
| 162 if (stat_test_runs(buffer)) { | |
| 163 num_fail++; | |
| 164 } | |
| 165 } | |
| 166 | |
| 167 printf("%d failures in %d tests\n", num_fail, num_trials); | |
| 168 printf("(nota bene: a small fraction of stat_test failures does not \n" | |
| 169 "indicate that the random source is invalid)\n"); | |
| 170 | |
| 171 err_check(cipher_dealloc(c)); | |
| 172 | |
| 173 return 0; | |
| 174 } |
