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-rw-r--r--src/regress/lib/libcrypto/bn/Makefile14
-rw-r--r--src/regress/lib/libcrypto/bn/bn_cmp.c336
2 files changed, 347 insertions, 3 deletions
diff --git a/src/regress/lib/libcrypto/bn/Makefile b/src/regress/lib/libcrypto/bn/Makefile
index ed9298575b..89c8d7861a 100644
--- a/src/regress/lib/libcrypto/bn/Makefile
+++ b/src/regress/lib/libcrypto/bn/Makefile
@@ -1,4 +1,4 @@
1# $OpenBSD: Makefile,v 1.6 2018/11/06 06:56:17 tb Exp $ 1# $OpenBSD: Makefile,v 1.7 2022/11/30 02:51:05 jsing Exp $
2 2
3SUBDIR= \ 3SUBDIR= \
4 addsub \ 4 addsub \
@@ -6,7 +6,15 @@ SUBDIR= \
6 mont \ 6 mont \
7 rand 7 rand
8 8
9PROGS+= bn_cmp
9 10
10install: 11LDADD= -lcrypto
12DPADD= ${LIBCRYPTO}
13WARNINGS= Yes
14CFLAGS+= -Wall -Wundef -Werror
11 15
12.include <bsd.subdir.mk> 16REGRESS_TARGETS += run-bn_cmp
17run-bn_cmp: bn_cmp
18 ./bn_cmp
19
20.include <bsd.regress.mk>
diff --git a/src/regress/lib/libcrypto/bn/bn_cmp.c b/src/regress/lib/libcrypto/bn/bn_cmp.c
new file mode 100644
index 0000000000..2f5c7c02e7
--- /dev/null
+++ b/src/regress/lib/libcrypto/bn/bn_cmp.c
@@ -0,0 +1,336 @@
1/* $OpenBSD: bn_cmp.c,v 1.1 2022/11/30 02:51:05 jsing Exp $ */
2/*
3 * Copyright (c) 2022 Joel Sing <jsing@openbsd.org>
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 <stdio.h>
19
20#include <openssl/bn.h>
21
22struct bn_cmp_test {
23 const char *a;
24 const char *b;
25 int cmp;
26 int ucmp;
27};
28
29struct bn_cmp_test bn_cmp_tests[] = {
30 {
31 .a = "0",
32 .b = "0",
33 .cmp = 0,
34 .ucmp = 0,
35 },
36 {
37 .a = "-1",
38 .b = "0",
39 .cmp = -1,
40 .ucmp = 1,
41 },
42 {
43 .a = "1ffffffffffffffff",
44 .b = "1ffffffffffffffff",
45 .cmp = 0,
46 .ucmp = 0,
47 },
48 {
49 .a = "1fffffffffffffffe",
50 .b = "1ffffffffffffffff",
51 .cmp = -1,
52 .ucmp = -1,
53 },
54 {
55 .a = "1ffffffffffffffff",
56 .b = "1fffffffffffffffe",
57 .cmp = 1,
58 .ucmp = 1,
59 },
60 {
61 .a = "0",
62 .b = "1ffffffffffffffff",
63 .cmp = -1,
64 .ucmp = -1,
65 },
66 {
67 .a = "1ffffffffffffffff",
68 .b = "0",
69 .cmp = 1,
70 .ucmp = 1,
71 },
72 {
73 .a = "-1ffffffffffffffff",
74 .b = "0",
75 .cmp = -1,
76 .ucmp = 1,
77 },
78};
79
80#define N_BN_CMP_TESTS \
81 (sizeof(bn_cmp_tests) / sizeof(*bn_cmp_tests))
82
83static int
84test_bn_cmp(void)
85{
86 struct bn_cmp_test *bct;
87 BIGNUM *a = NULL, *b = NULL;
88 size_t i;
89 int ret;
90 int failed = 1;
91
92 if ((a = BN_new()) == NULL) {
93 fprintf(stderr, "FAIL: failed to create BN\n");
94 goto failure;
95 }
96 if ((b = BN_new()) == NULL) {
97 fprintf(stderr, "FAIL: failed to create BN\n");
98 goto failure;
99 }
100
101 for (i = 0; i < N_BN_CMP_TESTS; i++) {
102 bct = &bn_cmp_tests[i];
103
104 if (!BN_hex2bn(&a, bct->a)) {
105 fprintf(stderr, "FAIL: failed to set a from hex\n");
106 goto failure;
107 }
108 if (!BN_hex2bn(&b, bct->b)) {
109 fprintf(stderr, "FAIL: failed to set b from hex\n");
110 goto failure;
111 }
112
113 if ((ret = BN_cmp(a, b)) != bct->cmp) {
114 fprintf(stderr, "FAIL: BN_cmp(%s, %s) = %d, want %d\n",
115 bct->a, bct->b, ret, bct->cmp);
116 goto failure;
117 }
118 if ((ret = BN_ucmp(a, b)) != bct->ucmp) {
119 fprintf(stderr, "FAIL: BN_ucmp(%s, %s) = %d, want %d\n",
120 bct->a, bct->b, ret, bct->ucmp);
121 goto failure;
122 }
123 }
124
125 failed = 0;
126
127 failure:
128 BN_free(a);
129 BN_free(b);
130
131 return failed;
132}
133
134static int
135test_bn_cmp_null(void)
136{
137 BIGNUM *a = NULL;
138 int ret;
139 int failed = 1;
140
141 if ((a = BN_new()) == NULL) {
142 fprintf(stderr, "FAIL: failed to create BN\n");
143 goto failure;
144 }
145
146 /*
147 * Comparison to NULL.
148 */
149 if ((ret = BN_cmp(NULL, NULL)) != 0) {
150 fprintf(stderr, "FAIL: BN_cmp(NULL, NULL) == %d, want 0\n", ret);
151 goto failure;
152 }
153
154 if ((ret = BN_cmp(a, NULL)) != -1) {
155 fprintf(stderr, "FAIL: BN_cmp(0, NULL) == %d, want -1\n", ret);
156 goto failure;
157 }
158 if ((ret = BN_cmp(NULL, a)) != 1) {
159 fprintf(stderr, "FAIL: BN_cmp(NULL, 0) == %d, want 1\n", ret);
160 goto failure;
161 }
162
163 if (!BN_set_word(a, 1)) {
164 fprintf(stderr, "FAIL: failed to set BN to 1\n");
165 goto failure;
166 }
167 if ((ret = BN_cmp(a, NULL)) != -1) {
168 fprintf(stderr, "FAIL: BN_cmp(1, NULL) == %d, want -1\n", ret);
169 goto failure;
170 }
171 if ((ret = BN_cmp(NULL, a)) != 1) {
172 fprintf(stderr, "FAIL: BN_cmp(NULL, 1) == %d, want 1\n", ret);
173 goto failure;
174 }
175
176 BN_set_negative(a, 1);
177 if ((ret = BN_cmp(a, NULL)) != -1) {
178 fprintf(stderr, "FAIL: BN_cmp(-1, NULL) == %d, want -1\n", ret);
179 goto failure;
180 }
181 if ((ret = BN_cmp(NULL, a)) != 1) {
182 fprintf(stderr, "FAIL: BN_cmp(NULL, -1) == %d, want 1\n", ret);
183 goto failure;
184 }
185
186 failed = 0;
187
188 failure:
189 BN_free(a);
190
191 return failed;
192}
193
194struct bn_cmp_word_test {
195 int a;
196 int b;
197 int cmp;
198 int ucmp;
199};
200
201struct bn_cmp_word_test bn_cmp_word_tests[] = {
202 {
203 .a = -1,
204 .b = -1,
205 .cmp = 0,
206 .ucmp = 0,
207 },
208 {
209 .a = 0,
210 .b = 0,
211 .cmp = 0,
212 .ucmp = 0,
213 },
214 {
215 .a = 1,
216 .b = 1,
217 .cmp = 0,
218 .ucmp = 0,
219 },
220 {
221 .a = 0,
222 .b = 1,
223 .cmp = -1,
224 .ucmp = -1,
225 },
226 {
227 .a = 1,
228 .b = 0,
229 .cmp = 1,
230 .ucmp = 1,
231 },
232 {
233 .a = -1,
234 .b = 0,
235 .cmp = -1,
236 .ucmp = 1,
237 },
238 {
239 .a = 0,
240 .b = -1,
241 .cmp = 1,
242 .ucmp = -1,
243 },
244 {
245 .a = -1,
246 .b = 1,
247 .cmp = -1,
248 .ucmp = 0,
249 },
250 {
251 .a = 1,
252 .b = -1,
253 .cmp = 1,
254 .ucmp = 0,
255 },
256};
257
258#define N_BN_CMP_WORD_TESTS \
259 (sizeof(bn_cmp_word_tests) / sizeof(*bn_cmp_word_tests))
260
261static int
262test_bn_cmp_word(void)
263{
264 struct bn_cmp_word_test *bcwt;
265 BIGNUM *a = NULL, *b = NULL;
266 BN_ULONG v;
267 size_t i;
268 int ret;
269 int failed = 1;
270
271 if ((a = BN_new()) == NULL) {
272 fprintf(stderr, "FAIL: failed to create BN\n");
273 goto failure;
274 }
275 if ((b = BN_new()) == NULL) {
276 fprintf(stderr, "FAIL: failed to create BN\n");
277 goto failure;
278 }
279
280 for (i = 0; i < N_BN_CMP_WORD_TESTS; i++) {
281 bcwt = &bn_cmp_word_tests[i];
282
283 if (bcwt->a >= 0) {
284 v = bcwt->a;
285 } else {
286 v = 0 - bcwt->a;
287 }
288 if (!BN_set_word(a, v)) {
289 fprintf(stderr, "FAIL: failed to set a\n");
290 goto failure;
291 }
292 BN_set_negative(a, (bcwt->a < 0));
293
294 if (bcwt->b >= 0) {
295 v = bcwt->b;
296 } else {
297 v = 0 - bcwt->b;
298 }
299 if (!BN_set_word(b, v)) {
300 fprintf(stderr, "FAIL: failed to set b\n");
301 goto failure;
302 }
303 BN_set_negative(b, (bcwt->b < 0));
304
305 if ((ret = BN_cmp(a, b)) != bcwt->cmp) {
306 fprintf(stderr, "FAIL: BN_cmp(%d, %d) = %d, want %d\n",
307 bcwt->a, bcwt->b, ret, bcwt->cmp);
308 goto failure;
309 }
310 if ((ret = BN_ucmp(a, b)) != bcwt->ucmp) {
311 fprintf(stderr, "FAIL: BN_ucmp(%d, %d) = %d, want %d\n",
312 bcwt->a, bcwt->b, ret, bcwt->ucmp);
313 goto failure;
314 }
315 }
316
317 failed = 0;
318
319 failure:
320 BN_free(a);
321 BN_free(b);
322
323 return failed;
324}
325
326int
327main(int argc, char **argv)
328{
329 int failed = 0;
330
331 failed |= test_bn_cmp();
332 failed |= test_bn_cmp_null();
333 failed |= test_bn_cmp_word();
334
335 return failed;
336}
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-21 15:35:51 +0000