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    1: /*
    2:  * Copyright (C) 2012 Reto Buerki
    3:  * Copyright (C) 2012 Adrian-Ken Rueegsegger
    4:  * HSR Hochschule fuer Technik Rapperswil
    5:  *
    6:  * This program is free software; you can redistribute it and/or modify it
    7:  * under the terms of the GNU General Public License as published by the
    8:  * Free Software Foundation; either version 2 of the License, or (at your
    9:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
   10:  *
   11:  * This program is distributed in the hope that it will be useful, but
   12:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   13:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   14:  * for more details.
   15:  */
   16: 
   17: #include <tests/test_suite.h>
   18: 
   19: #include <tkm/client.h>
   20: 
   21: #include "tkm.h"
   22: #include "tkm_nonceg.h"
   23: 
   24: START_TEST(test_nonceg_creation)
   25: {
   26: 	tkm_nonceg_t *ng = NULL;
   27: 
   28: 	ng = tkm_nonceg_create();
   29: 	fail_if(ng == NULL, "Error creating tkm nonce generator");
   30: 
   31: 	ng->nonce_gen.destroy(&ng->nonce_gen);
   32: }
   33: END_TEST
   34: 
   35: START_TEST(test_nonceg_allocate_nonce)
   36: {
   37: 	tkm_nonceg_t *ng = tkm_nonceg_create();
   38: 
   39: 	const size_t length = 256;
   40: 	uint8_t zero[length];
   41: 	memset(zero, 0, length);
   42: 
   43: 	chunk_t nonce;
   44: 	const bool got_nonce = ng->nonce_gen.allocate_nonce(&ng->nonce_gen,
   45: 			length, &nonce);
   46: 
   47: 	fail_unless(got_nonce, "Call to allocate_nonce failed");
   48: 	fail_unless(nonce.len = length, "Allocated nonce length mismatch");
   49: 	fail_if(memcmp(nonce.ptr, zero, length) == 0, "Unable to allocate nonce");
   50: 
   51: 	tkm->idmgr->release_id(tkm->idmgr, TKM_CTX_NONCE, 1);
   52: 	ike_nc_reset(1);
   53: 
   54: 	chunk_free(&nonce);
   55: 	ng->nonce_gen.destroy(&ng->nonce_gen);
   56: }
   57: END_TEST
   58: 
   59: START_TEST(test_nonceg_get_nonce)
   60: {
   61: 	tkm_nonceg_t *ng = tkm_nonceg_create();
   62: 
   63: 	const size_t length = 128;
   64: 	uint8_t zero[length];
   65: 	memset(zero, 0, length);
   66: 
   67: 	uint8_t *buf = malloc(length + 1);
   68: 	memset(buf, 0, length);
   69: 	/* set end marker */
   70: 	buf[length] = 255;
   71: 
   72: 	const bool got_nonce = ng->nonce_gen.get_nonce(&ng->nonce_gen, length, buf);
   73: 	fail_unless(got_nonce, "Call to get_nonce failed");
   74: 	fail_if(memcmp(buf, zero, length) == 0, "Unable to get nonce");
   75: 	fail_if(buf[length] != 255, "End marker not found");
   76: 
   77: 	tkm->idmgr->release_id(tkm->idmgr, TKM_CTX_NONCE, 1);
   78: 	ike_nc_reset(1);
   79: 
   80: 	free(buf);
   81: 	ng->nonce_gen.destroy(&ng->nonce_gen);
   82: }
   83: END_TEST
   84: 
   85: Suite *make_nonceg_tests()
   86: {
   87: 	Suite *s;
   88: 	TCase *tc;
   89: 
   90: 	s = suite_create("nonce generator");
   91: 
   92: 	tc = tcase_create("creation");
   93: 	tcase_add_test(tc, test_nonceg_creation);
   94: 	suite_add_tcase(s, tc);
   95: 
   96: 	tc = tcase_create("allocate");
   97: 	tcase_add_test(tc, test_nonceg_allocate_nonce);
   98: 	suite_add_tcase(s, tc);
   99: 
  100: 	tc = tcase_create("get");
  101: 	tcase_add_test(tc, test_nonceg_get_nonce);
  102: 	suite_add_tcase(s, tc);
  103: 
  104: 	return s;
  105: }