diff options
Diffstat (limited to 'netwerk/srtp/src/crypto/test/stat_driver.c')
| -rw-r--r-- | netwerk/srtp/src/crypto/test/stat_driver.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/netwerk/srtp/src/crypto/test/stat_driver.c b/netwerk/srtp/src/crypto/test/stat_driver.c new file mode 100644 index 000000000..4ff2b1426 --- /dev/null +++ b/netwerk/srtp/src/crypto/test/stat_driver.c @@ -0,0 +1,174 @@ +/* + * stat-driver.c + * + * test driver for the stat_test functions + * + * David A. McGrew + * Cisco Systems, Inc. + */ + +/* + * + * Copyright (c) 2001-2006, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * Neither the name of the Cisco Systems, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <stdio.h> /* for printf() */ + +#include "err.h" +#include "stat.h" + +#include "cipher.h" + +typedef struct { + void *state; +} random_source_t; + +err_status_t +random_source_alloc(void); + +void +err_check(err_status_t s) { + if (s) { + printf("error (code %d)\n", s); + exit(1); + } +} + +int +main (int argc, char *argv[]) { + uint8_t buffer[2500]; + unsigned int buf_len = 2500; + int i, j; + extern cipher_type_t aes_icm; + cipher_t *c; + uint8_t key[46] = { + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 + }; + v128_t nonce; + int num_trials = 500; + int num_fail; + + printf("statistical tests driver\n"); + + for (i=0; i < 2500; i++) + buffer[i] = 0; + + /* run tests */ + printf("running stat_tests on all-null buffer, expecting failure\n"); + printf("monobit %d\n", stat_test_monobit(buffer)); + printf("poker %d\n", stat_test_poker(buffer)); + printf("runs %d\n", stat_test_runs(buffer)); + + for (i=0; i < 2500; i++) + buffer[i] = rand(); + printf("running stat_tests on rand(), expecting success\n"); + printf("monobit %d\n", stat_test_monobit(buffer)); + printf("poker %d\n", stat_test_poker(buffer)); + printf("runs %d\n", stat_test_runs(buffer)); + + printf("running stat_tests on AES-128-ICM, expecting success\n"); + /* set buffer to cipher output */ + for (i=0; i < 2500; i++) + buffer[i] = 0; + err_check(cipher_type_alloc(&aes_icm, &c, 30)); + err_check(cipher_init(c, key, direction_encrypt)); + err_check(cipher_set_iv(c, &nonce)); + err_check(cipher_encrypt(c, buffer, &buf_len)); + /* run tests on cipher outout */ + printf("monobit %d\n", stat_test_monobit(buffer)); + printf("poker %d\n", stat_test_poker(buffer)); + printf("runs %d\n", stat_test_runs(buffer)); + + printf("runs test (please be patient): "); + fflush(stdout); + num_fail = 0; + v128_set_to_zero(&nonce); + for(j=0; j < num_trials; j++) { + for (i=0; i < 2500; i++) + buffer[i] = 0; + nonce.v32[3] = i; + err_check(cipher_set_iv(c, &nonce)); + err_check(cipher_encrypt(c, buffer, &buf_len)); + if (stat_test_runs(buffer)) { + num_fail++; + } + } + + printf("%d failures in %d tests\n", num_fail, num_trials); + printf("(nota bene: a small fraction of stat_test failures does not \n" + "indicate that the random source is invalid)\n"); + + err_check(cipher_dealloc(c)); + + printf("running stat_tests on AES-256-ICM, expecting success\n"); + /* set buffer to cipher output */ + for (i=0; i < 2500; i++) + buffer[i] = 0; + err_check(cipher_type_alloc(&aes_icm, &c, 46)); + err_check(cipher_init(c, key, direction_encrypt)); + err_check(cipher_set_iv(c, &nonce)); + err_check(cipher_encrypt(c, buffer, &buf_len)); + /* run tests on cipher outout */ + printf("monobit %d\n", stat_test_monobit(buffer)); + printf("poker %d\n", stat_test_poker(buffer)); + printf("runs %d\n", stat_test_runs(buffer)); + + printf("runs test (please be patient): "); + fflush(stdout); + num_fail = 0; + v128_set_to_zero(&nonce); + for(j=0; j < num_trials; j++) { + for (i=0; i < 2500; i++) + buffer[i] = 0; + nonce.v32[3] = i; + err_check(cipher_set_iv(c, &nonce)); + err_check(cipher_encrypt(c, buffer, &buf_len)); + if (stat_test_runs(buffer)) { + num_fail++; + } + } + + printf("%d failures in %d tests\n", num_fail, num_trials); + printf("(nota bene: a small fraction of stat_test failures does not \n" + "indicate that the random source is invalid)\n"); + + err_check(cipher_dealloc(c)); + + return 0; +} |