1 /*  test_utils.h - TinyCrypt interface to common functions for tests */
2 
3 /*
4  *  Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
5  *
6  *  Redistribution and use in source and binary forms, with or without
7  *  modification, are permitted provided that the following conditions are met:
8  *
9  *    - Redistributions of source code must retain the above copyright notice,
10  *     this list of conditions and the following disclaimer.
11  *
12  *    - Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  *    - Neither the name of Intel Corporation nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23  *  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
24  *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  *  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
26  *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
27  *  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28  *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef __TEST_UTILS_H__
33 #define __TEST_UTILS_H__
34 
35 #include <zephyr/tc_util.h>
36 #include <tinycrypt/constants.h>
37 
show_str(const char * label,const uint8_t * s,size_t len)38 static inline void show_str(const char *label, const uint8_t *s, size_t len)
39 {
40 	uint32_t i;
41 
42 	TC_PRINT("%s = ", label);
43 	for (i = 0U; i < (uint32_t)len; ++i) {
44 		TC_PRINT("%02x", s[i]);
45 	}
46 	TC_PRINT("\n");
47 }
48 
49 static inline
fatal(uint32_t testnum,const void * expected,size_t expectedlen,const void * computed,size_t computedlen)50 void fatal(uint32_t testnum, const void *expected, size_t expectedlen,
51 	   const void *computed, size_t computedlen)
52 {
53 	TC_ERROR("\tTest #%d Failed!\n", testnum);
54 	show_str("\t\tExpected", expected, expectedlen);
55 	show_str("\t\tComputed  ", computed, computedlen);
56 	TC_PRINT("\n");
57 }
58 
59 static inline
check_result(uint32_t testnum,const void * expected,size_t expectedlen,const void * computed,size_t computedlen,uint32_t verbose)60 uint32_t check_result(uint32_t testnum, const void *expected,
61 		      size_t expectedlen, const void *computed,
62 		      size_t computedlen, uint32_t verbose)
63 {
64 	uint32_t result = TC_PASS;
65 
66 	ARG_UNUSED(verbose);
67 
68         if (expectedlen != computedlen) {
69 		TC_ERROR("The length of the computed buffer (%zu)",
70 			 computedlen);
71 		TC_ERROR("does not match the expected length (%zu).",
72 			 expectedlen);
73                 result = TC_FAIL;
74 	} else {
75 		if (memcmp(computed, expected, computedlen) != 0) {
76 			fatal(testnum, expected, expectedlen,
77 			      computed, computedlen);
78 			result = TC_FAIL;
79 		}
80 	}
81 
82         return result;
83 }
84 
85 #endif
86