1 /* $OpenBSD: rmd_test.c,v 1.1 2022/09/02 15:45:52 tb Exp $ */
2 /*
3 * Copyright (c) 2022 Joshua Sing <joshua@hypera.dev>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <openssl/evp.h>
19 #include <openssl/ripemd.h>
20
21 #include <stdint.h>
22 #include <string.h>
23
24 struct rmd_test {
25 const uint8_t in[128];
26 const size_t in_len;
27 const uint8_t out[EVP_MAX_MD_SIZE];
28 };
29
30 static const struct rmd_test rmd_tests[] = {
31 /*
32 * RIPEMD-160 - Test vectors from
33 * https://homes.esat.kuleuven.be/~bosselae/ripemd160.html
34 */
35 {
36 .in = "",
37 .in_len = 0,
38 .out = {
39 0x9c, 0x11, 0x85, 0xa5, 0xc5, 0xe9, 0xfc, 0x54,
40 0x61, 0x28, 0x08, 0x97, 0x7e, 0xe8, 0xf5, 0x48,
41 0xb2, 0x25, 0x8d, 0x31,
42 },
43 },
44 {
45 .in = "a",
46 .in_len = 1,
47 .out = {
48 0x0b, 0xdc, 0x9d, 0x2d, 0x25, 0x6b, 0x3e, 0xe9,
49 0xda, 0xae, 0x34, 0x7b, 0xe6, 0xf4, 0xdc, 0x83,
50 0x5a, 0x46, 0x7f, 0xfe,
51 },
52 },
53 {
54 .in = "abc",
55 .in_len = 3,
56 .out = {
57 0x8e, 0xb2, 0x08, 0xf7, 0xe0, 0x5d, 0x98, 0x7a,
58 0x9b, 0x04, 0x4a, 0x8e, 0x98, 0xc6, 0xb0, 0x87,
59 0xf1, 0x5a, 0x0b, 0xfc,
60 },
61 },
62 {
63 .in = "message digest",
64 .in_len = 14,
65 .out = {
66 0x5d, 0x06, 0x89, 0xef, 0x49, 0xd2, 0xfa, 0xe5,
67 0x72, 0xb8, 0x81, 0xb1, 0x23, 0xa8, 0x5f, 0xfa,
68 0x21, 0x59, 0x5f, 0x36,
69 },
70 },
71 {
72 .in = "abcdefghijklmnopqrstuvwxyz",
73 .in_len = 26,
74 .out = {
75 0xf7, 0x1c, 0x27, 0x10, 0x9c, 0x69, 0x2c, 0x1b,
76 0x56, 0xbb, 0xdc, 0xeb, 0x5b, 0x9d, 0x28, 0x65,
77 0xb3, 0x70, 0x8d, 0xbc,
78 },
79 },
80 {
81 .in =
82 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
83 .in_len = 56,
84 .out = {
85 0x12, 0xa0, 0x53, 0x38, 0x4a, 0x9c, 0x0c, 0x88,
86 0xe4, 0x05, 0xa0, 0x6c, 0x27, 0xdc, 0xf4, 0x9a,
87 0xda, 0x62, 0xeb, 0x2b,
88 },
89 },
90 {
91 .in =
92 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuv"
93 "wxyz0123456789",
94 .in_len = 62,
95 .out = {
96 0xb0, 0xe2, 0x0b, 0x6e, 0x31, 0x16, 0x64, 0x02,
97 0x86, 0xed, 0x3a, 0x87, 0xa5, 0x71, 0x30, 0x79,
98 0xb2, 0x1f, 0x51, 0x89,
99 },
100 },
101 {
102 .in =
103 "123456789012345678901234567890123456789012345678"
104 "90123456789012345678901234567890",
105 .in_len = 80,
106 .out = {
107 0x9b, 0x75, 0x2e, 0x45, 0x57, 0x3d, 0x4b, 0x39,
108 0xf4, 0xdb, 0xd3, 0x32, 0x3c, 0xab, 0x82, 0xbf,
109 0x63, 0x32, 0x6b, 0xfb,
110 },
111 },
112 };
113
114 #define N_RMD_TESTS (sizeof(rmd_tests) / sizeof(rmd_tests[0]))
115
116 static int
rmd_test(void)117 rmd_test(void)
118 {
119 const struct rmd_test *rt;
120 EVP_MD_CTX *hash = NULL;
121 uint8_t out[EVP_MAX_MD_SIZE];
122 size_t in_len;
123 size_t i;
124 int failed = 1;
125
126 if ((hash = EVP_MD_CTX_new()) == NULL) {
127 fprintf(stderr, "FAIL: EVP_MD_CTX_new() failed\n");
128 goto failed;
129 }
130
131 for (i = 0; i < N_RMD_TESTS; i++) {
132 rt = &rmd_tests[i];
133
134 /* Digest */
135 memset(out, 0, sizeof(out));
136 RIPEMD160(rt->in, rt->in_len, out);
137 if (memcmp(rt->out, out, RIPEMD160_DIGEST_LENGTH) != 0) {
138 fprintf(stderr, "FAIL: mismatch\n");
139 goto failed;
140 }
141
142 /* EVP single-shot digest */
143 memset(out, 0, sizeof(out));
144 if (!EVP_Digest(rt->in, rt->in_len, out, NULL, EVP_ripemd160(), NULL)) {
145 fprintf(stderr, "FAIL: EVP_Digest failed\n");
146 goto failed;
147 }
148
149 if (memcmp(rt->out, out, RIPEMD160_DIGEST_LENGTH) != 0) {
150 fprintf(stderr, "FAIL: EVP single-shot mismatch\n");
151 goto failed;
152 }
153
154 /* EVP digest */
155 memset(out, 0, sizeof(out));
156 if (!EVP_DigestInit_ex(hash, EVP_ripemd160(), NULL)) {
157 fprintf(stderr, "FAIL: EVP_DigestInit_ex failed\n");
158 goto failed;
159 }
160
161 in_len = rt->in_len / 2;
162 if (!EVP_DigestUpdate(hash, rt->in, in_len)) {
163 fprintf(stderr,
164 "FAIL: EVP_DigestUpdate first half failed\n");
165 goto failed;
166 }
167
168 if (!EVP_DigestUpdate(hash, rt->in + in_len,
169 rt->in_len - in_len)) {
170 fprintf(stderr,
171 "FAIL: EVP_DigestUpdate second half failed\n");
172 goto failed;
173 }
174
175 if (!EVP_DigestFinal_ex(hash, out, NULL)) {
176 fprintf(stderr, "FAIL: EVP_DigestFinal_ex failed\n");
177 goto failed;
178 }
179
180 if (memcmp(rt->out, out, RIPEMD160_DIGEST_LENGTH) != 0) {
181 fprintf(stderr, "FAIL: EVP mismatch\n");
182 goto failed;
183 }
184 }
185
186 failed = 0;
187
188 failed:
189 EVP_MD_CTX_free(hash);
190 return failed;
191 }
192
193 int
main(int argc,char ** argv)194 main(int argc, char **argv)
195 {
196 int failed = 0;
197
198 failed |= rmd_test();
199
200 return failed;
201 }
202