1 /* $OpenBSD: test_sshkey.c,v 1.10 2016/05/02 09:52:00 djm Exp $ */
2 /*
3 * Regress test for sshkey.h key management API
4 *
5 * Placed in the public domain
6 */
7
8 #include "includes.h"
9
10 #include <sys/types.h>
11 #include <sys/param.h>
12 #include <stdio.h>
13 #ifdef HAVE_STDINT_H
14 #include <stdint.h>
15 #endif
16 #include <stdlib.h>
17 #include <string.h>
18
19 #include <openssl/bn.h>
20 #include <openssl/rsa.h>
21 #include <openssl/dsa.h>
22 #if defined(OPENSSL_HAS_ECC) && defined(OPENSSL_HAS_NISTP256)
23 # include <openssl/ec.h>
24 #endif
25
26 #include "../test_helper/test_helper.h"
27
28 #include "ssherr.h"
29 #include "sshbuf.h"
30 #define SSHBUF_INTERNAL 1 /* access internals for testing */
31 #include "sshkey.h"
32
33 #include "authfile.h"
34 #include "common.h"
35 #include "ssh2.h"
36
37 void sshkey_tests(void);
38
39 static void
put_opt(struct sshbuf * b,const char * name,const char * value)40 put_opt(struct sshbuf *b, const char *name, const char *value)
41 {
42 struct sshbuf *sect;
43
44 sect = sshbuf_new();
45 ASSERT_PTR_NE(sect, NULL);
46 ASSERT_INT_EQ(sshbuf_put_cstring(b, name), 0);
47 if (value != NULL)
48 ASSERT_INT_EQ(sshbuf_put_cstring(sect, value), 0);
49 ASSERT_INT_EQ(sshbuf_put_stringb(b, sect), 0);
50 sshbuf_free(sect);
51 }
52
53 static void
build_cert(struct sshbuf * b,const struct sshkey * k,const char * type,const struct sshkey * sign_key,const struct sshkey * ca_key,const char * sig_alg)54 build_cert(struct sshbuf *b, const struct sshkey *k, const char *type,
55 const struct sshkey *sign_key, const struct sshkey *ca_key,
56 const char *sig_alg)
57 {
58 struct sshbuf *ca_buf, *pk, *principals, *critopts, *exts;
59 u_char *sigblob;
60 size_t siglen;
61
62 ca_buf = sshbuf_new();
63 ASSERT_PTR_NE(ca_buf, NULL);
64 ASSERT_INT_EQ(sshkey_putb(ca_key, ca_buf), 0);
65
66 /*
67 * Get the public key serialisation by rendering the key and skipping
68 * the type string. This is a bit of a hack :/
69 */
70 pk = sshbuf_new();
71 ASSERT_PTR_NE(pk, NULL);
72 ASSERT_INT_EQ(sshkey_putb_plain(k, pk), 0);
73 ASSERT_INT_EQ(sshbuf_skip_string(pk), 0);
74
75 principals = sshbuf_new();
76 ASSERT_PTR_NE(principals, NULL);
77 ASSERT_INT_EQ(sshbuf_put_cstring(principals, "gsamsa"), 0);
78 ASSERT_INT_EQ(sshbuf_put_cstring(principals, "gregor"), 0);
79
80 critopts = sshbuf_new();
81 ASSERT_PTR_NE(critopts, NULL);
82 put_opt(critopts, "force-command", "/usr/local/bin/nethack");
83 put_opt(critopts, "source-address", "192.168.0.0/24,127.0.0.1,::1");
84
85 exts = sshbuf_new();
86 ASSERT_PTR_NE(exts, NULL);
87 put_opt(critopts, "permit-X11-forwarding", NULL);
88
89 ASSERT_INT_EQ(sshbuf_put_cstring(b, type), 0);
90 ASSERT_INT_EQ(sshbuf_put_cstring(b, "noncenoncenonce!"), 0); /* nonce */
91 ASSERT_INT_EQ(sshbuf_putb(b, pk), 0); /* public key serialisation */
92 ASSERT_INT_EQ(sshbuf_put_u64(b, 1234), 0); /* serial */
93 ASSERT_INT_EQ(sshbuf_put_u32(b, SSH2_CERT_TYPE_USER), 0); /* type */
94 ASSERT_INT_EQ(sshbuf_put_cstring(b, "gregor"), 0); /* key ID */
95 ASSERT_INT_EQ(sshbuf_put_stringb(b, principals), 0); /* principals */
96 ASSERT_INT_EQ(sshbuf_put_u64(b, 0), 0); /* start */
97 ASSERT_INT_EQ(sshbuf_put_u64(b, 0xffffffffffffffffULL), 0); /* end */
98 ASSERT_INT_EQ(sshbuf_put_stringb(b, critopts), 0); /* options */
99 ASSERT_INT_EQ(sshbuf_put_stringb(b, exts), 0); /* extensions */
100 ASSERT_INT_EQ(sshbuf_put_string(b, NULL, 0), 0); /* reserved */
101 ASSERT_INT_EQ(sshbuf_put_stringb(b, ca_buf), 0); /* signature key */
102 ASSERT_INT_EQ(sshkey_sign(sign_key, &sigblob, &siglen,
103 sshbuf_ptr(b), sshbuf_len(b), sig_alg, 0), 0);
104 ASSERT_INT_EQ(sshbuf_put_string(b, sigblob, siglen), 0); /* signature */
105
106 free(sigblob);
107 sshbuf_free(ca_buf);
108 sshbuf_free(exts);
109 sshbuf_free(critopts);
110 sshbuf_free(principals);
111 sshbuf_free(pk);
112 }
113
114 static void
signature_test(struct sshkey * k,struct sshkey * bad,const char * sig_alg,const u_char * d,size_t l)115 signature_test(struct sshkey *k, struct sshkey *bad, const char *sig_alg,
116 const u_char *d, size_t l)
117 {
118 size_t len;
119 u_char *sig;
120
121 ASSERT_INT_EQ(sshkey_sign(k, &sig, &len, d, l, sig_alg, 0), 0);
122 ASSERT_SIZE_T_GT(len, 8);
123 ASSERT_PTR_NE(sig, NULL);
124 ASSERT_INT_EQ(sshkey_verify(k, sig, len, d, l, 0), 0);
125 ASSERT_INT_NE(sshkey_verify(bad, sig, len, d, l, 0), 0);
126 /* Fuzz test is more comprehensive, this is just a smoke test */
127 sig[len - 5] ^= 0x10;
128 ASSERT_INT_NE(sshkey_verify(k, sig, len, d, l, 0), 0);
129 free(sig);
130 }
131
132 static void
banana(u_char * s,size_t l)133 banana(u_char *s, size_t l)
134 {
135 size_t o;
136 const u_char the_banana[] = { 'b', 'a', 'n', 'a', 'n', 'a' };
137
138 for (o = 0; o < l; o += sizeof(the_banana)) {
139 if (l - o < sizeof(the_banana)) {
140 memcpy(s + o, "nanananana", l - o);
141 break;
142 }
143 memcpy(s + o, banana, sizeof(the_banana));
144 }
145 }
146
147 static void
signature_tests(struct sshkey * k,struct sshkey * bad,const char * sig_alg)148 signature_tests(struct sshkey *k, struct sshkey *bad, const char *sig_alg)
149 {
150 u_char i, buf[2049];
151 size_t lens[] = {
152 1, 2, 7, 8, 9, 15, 16, 17, 31, 32, 33, 127, 128, 129,
153 255, 256, 257, 1023, 1024, 1025, 2047, 2048, 2049
154 };
155
156 for (i = 0; i < (sizeof(lens)/sizeof(lens[0])); i++) {
157 test_subtest_info("%s key, banana length %zu",
158 sshkey_type(k), lens[i]);
159 banana(buf, lens[i]);
160 signature_test(k, bad, sig_alg, buf, lens[i]);
161 }
162 }
163
164 static struct sshkey *
get_private(const char * n)165 get_private(const char *n)
166 {
167 struct sshbuf *b;
168 struct sshkey *ret;
169
170 b = load_file(n);
171 ASSERT_INT_EQ(sshkey_parse_private_fileblob(b, "", &ret, NULL), 0);
172 sshbuf_free(b);
173 return ret;
174 }
175
176 void
sshkey_tests(void)177 sshkey_tests(void)
178 {
179 struct sshkey *k1, *k2, *k3, *k4, *kr, *kd, *kf;
180 #ifdef OPENSSL_HAS_ECC
181 struct sshkey *ke;
182 #endif
183 struct sshbuf *b;
184
185 TEST_START("new invalid");
186 k1 = sshkey_new(-42);
187 ASSERT_PTR_EQ(k1, NULL);
188 TEST_DONE();
189
190 TEST_START("new/free KEY_UNSPEC");
191 k1 = sshkey_new(KEY_UNSPEC);
192 ASSERT_PTR_NE(k1, NULL);
193 sshkey_free(k1);
194 TEST_DONE();
195
196 TEST_START("new/free KEY_RSA1");
197 k1 = sshkey_new(KEY_RSA1);
198 ASSERT_PTR_NE(k1, NULL);
199 ASSERT_PTR_NE(k1->rsa, NULL);
200 ASSERT_PTR_NE(k1->rsa->n, NULL);
201 ASSERT_PTR_NE(k1->rsa->e, NULL);
202 ASSERT_PTR_EQ(k1->rsa->p, NULL);
203 sshkey_free(k1);
204 TEST_DONE();
205
206 TEST_START("new/free KEY_RSA");
207 k1 = sshkey_new(KEY_RSA);
208 ASSERT_PTR_NE(k1, NULL);
209 ASSERT_PTR_NE(k1->rsa, NULL);
210 ASSERT_PTR_NE(k1->rsa->n, NULL);
211 ASSERT_PTR_NE(k1->rsa->e, NULL);
212 ASSERT_PTR_EQ(k1->rsa->p, NULL);
213 sshkey_free(k1);
214 TEST_DONE();
215
216 TEST_START("new/free KEY_DSA");
217 k1 = sshkey_new(KEY_DSA);
218 ASSERT_PTR_NE(k1, NULL);
219 ASSERT_PTR_NE(k1->dsa, NULL);
220 ASSERT_PTR_NE(k1->dsa->g, NULL);
221 ASSERT_PTR_EQ(k1->dsa->priv_key, NULL);
222 sshkey_free(k1);
223 TEST_DONE();
224
225 #ifdef OPENSSL_HAS_ECC
226 TEST_START("new/free KEY_ECDSA");
227 k1 = sshkey_new(KEY_ECDSA);
228 ASSERT_PTR_NE(k1, NULL);
229 ASSERT_PTR_EQ(k1->ecdsa, NULL); /* Can't allocate without NID */
230 sshkey_free(k1);
231 TEST_DONE();
232 #endif
233
234 TEST_START("new/free KEY_ED25519");
235 k1 = sshkey_new(KEY_ED25519);
236 ASSERT_PTR_NE(k1, NULL);
237 /* These should be blank until key loaded or generated */
238 ASSERT_PTR_EQ(k1->ed25519_sk, NULL);
239 ASSERT_PTR_EQ(k1->ed25519_pk, NULL);
240 sshkey_free(k1);
241 TEST_DONE();
242
243 TEST_START("new_private KEY_RSA");
244 k1 = sshkey_new_private(KEY_RSA);
245 ASSERT_PTR_NE(k1, NULL);
246 ASSERT_PTR_NE(k1->rsa, NULL);
247 ASSERT_PTR_NE(k1->rsa->n, NULL);
248 ASSERT_PTR_NE(k1->rsa->e, NULL);
249 ASSERT_PTR_NE(k1->rsa->p, NULL);
250 ASSERT_INT_EQ(sshkey_add_private(k1), 0);
251 sshkey_free(k1);
252 TEST_DONE();
253
254 TEST_START("new_private KEY_DSA");
255 k1 = sshkey_new_private(KEY_DSA);
256 ASSERT_PTR_NE(k1, NULL);
257 ASSERT_PTR_NE(k1->dsa, NULL);
258 ASSERT_PTR_NE(k1->dsa->g, NULL);
259 ASSERT_PTR_NE(k1->dsa->priv_key, NULL);
260 ASSERT_INT_EQ(sshkey_add_private(k1), 0);
261 sshkey_free(k1);
262 TEST_DONE();
263
264 TEST_START("generate KEY_RSA too small modulus");
265 ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 128, &k1),
266 SSH_ERR_INVALID_ARGUMENT);
267 ASSERT_PTR_EQ(k1, NULL);
268 TEST_DONE();
269
270 TEST_START("generate KEY_RSA too large modulus");
271 ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 1 << 20, &k1),
272 SSH_ERR_INVALID_ARGUMENT);
273 ASSERT_PTR_EQ(k1, NULL);
274 TEST_DONE();
275
276 TEST_START("generate KEY_DSA wrong bits");
277 ASSERT_INT_EQ(sshkey_generate(KEY_DSA, 2048, &k1),
278 SSH_ERR_INVALID_ARGUMENT);
279 ASSERT_PTR_EQ(k1, NULL);
280 sshkey_free(k1);
281 TEST_DONE();
282
283 #ifdef OPENSSL_HAS_ECC
284 TEST_START("generate KEY_ECDSA wrong bits");
285 ASSERT_INT_EQ(sshkey_generate(KEY_ECDSA, 42, &k1),
286 SSH_ERR_INVALID_ARGUMENT);
287 ASSERT_PTR_EQ(k1, NULL);
288 sshkey_free(k1);
289 TEST_DONE();
290 #endif
291
292 TEST_START("generate KEY_RSA");
293 ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 767, &kr),
294 SSH_ERR_INVALID_ARGUMENT);
295 ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 1024, &kr), 0);
296 ASSERT_PTR_NE(kr, NULL);
297 ASSERT_PTR_NE(kr->rsa, NULL);
298 ASSERT_PTR_NE(kr->rsa->n, NULL);
299 ASSERT_PTR_NE(kr->rsa->e, NULL);
300 ASSERT_PTR_NE(kr->rsa->p, NULL);
301 ASSERT_INT_EQ(BN_num_bits(kr->rsa->n), 1024);
302 TEST_DONE();
303
304 TEST_START("generate KEY_DSA");
305 ASSERT_INT_EQ(sshkey_generate(KEY_DSA, 1024, &kd), 0);
306 ASSERT_PTR_NE(kd, NULL);
307 ASSERT_PTR_NE(kd->dsa, NULL);
308 ASSERT_PTR_NE(kd->dsa->g, NULL);
309 ASSERT_PTR_NE(kd->dsa->priv_key, NULL);
310 TEST_DONE();
311
312 #ifdef OPENSSL_HAS_ECC
313 TEST_START("generate KEY_ECDSA");
314 ASSERT_INT_EQ(sshkey_generate(KEY_ECDSA, 256, &ke), 0);
315 ASSERT_PTR_NE(ke, NULL);
316 ASSERT_PTR_NE(ke->ecdsa, NULL);
317 ASSERT_PTR_NE(EC_KEY_get0_public_key(ke->ecdsa), NULL);
318 ASSERT_PTR_NE(EC_KEY_get0_private_key(ke->ecdsa), NULL);
319 TEST_DONE();
320 #endif
321
322 TEST_START("generate KEY_ED25519");
323 ASSERT_INT_EQ(sshkey_generate(KEY_ED25519, 256, &kf), 0);
324 ASSERT_PTR_NE(kf, NULL);
325 ASSERT_INT_EQ(kf->type, KEY_ED25519);
326 ASSERT_PTR_NE(kf->ed25519_pk, NULL);
327 ASSERT_PTR_NE(kf->ed25519_sk, NULL);
328 TEST_DONE();
329
330 TEST_START("demote KEY_RSA");
331 ASSERT_INT_EQ(sshkey_demote(kr, &k1), 0);
332 ASSERT_PTR_NE(k1, NULL);
333 ASSERT_PTR_NE(kr, k1);
334 ASSERT_INT_EQ(k1->type, KEY_RSA);
335 ASSERT_PTR_NE(k1->rsa, NULL);
336 ASSERT_PTR_NE(k1->rsa->n, NULL);
337 ASSERT_PTR_NE(k1->rsa->e, NULL);
338 ASSERT_PTR_EQ(k1->rsa->p, NULL);
339 TEST_DONE();
340
341 TEST_START("equal KEY_RSA/demoted KEY_RSA");
342 ASSERT_INT_EQ(sshkey_equal(kr, k1), 1);
343 sshkey_free(k1);
344 TEST_DONE();
345
346 TEST_START("demote KEY_DSA");
347 ASSERT_INT_EQ(sshkey_demote(kd, &k1), 0);
348 ASSERT_PTR_NE(k1, NULL);
349 ASSERT_PTR_NE(kd, k1);
350 ASSERT_INT_EQ(k1->type, KEY_DSA);
351 ASSERT_PTR_NE(k1->dsa, NULL);
352 ASSERT_PTR_NE(k1->dsa->g, NULL);
353 ASSERT_PTR_EQ(k1->dsa->priv_key, NULL);
354 TEST_DONE();
355
356 TEST_START("equal KEY_DSA/demoted KEY_DSA");
357 ASSERT_INT_EQ(sshkey_equal(kd, k1), 1);
358 sshkey_free(k1);
359 TEST_DONE();
360
361 #ifdef OPENSSL_HAS_ECC
362 TEST_START("demote KEY_ECDSA");
363 ASSERT_INT_EQ(sshkey_demote(ke, &k1), 0);
364 ASSERT_PTR_NE(k1, NULL);
365 ASSERT_PTR_NE(ke, k1);
366 ASSERT_INT_EQ(k1->type, KEY_ECDSA);
367 ASSERT_PTR_NE(k1->ecdsa, NULL);
368 ASSERT_INT_EQ(k1->ecdsa_nid, ke->ecdsa_nid);
369 ASSERT_PTR_NE(EC_KEY_get0_public_key(ke->ecdsa), NULL);
370 ASSERT_PTR_EQ(EC_KEY_get0_private_key(k1->ecdsa), NULL);
371 TEST_DONE();
372
373 TEST_START("equal KEY_ECDSA/demoted KEY_ECDSA");
374 ASSERT_INT_EQ(sshkey_equal(ke, k1), 1);
375 sshkey_free(k1);
376 TEST_DONE();
377 #endif
378
379 TEST_START("demote KEY_ED25519");
380 ASSERT_INT_EQ(sshkey_demote(kf, &k1), 0);
381 ASSERT_PTR_NE(k1, NULL);
382 ASSERT_PTR_NE(kf, k1);
383 ASSERT_INT_EQ(k1->type, KEY_ED25519);
384 ASSERT_PTR_NE(k1->ed25519_pk, NULL);
385 ASSERT_PTR_EQ(k1->ed25519_sk, NULL);
386 TEST_DONE();
387
388 TEST_START("equal KEY_ED25519/demoted KEY_ED25519");
389 ASSERT_INT_EQ(sshkey_equal(kf, k1), 1);
390 sshkey_free(k1);
391 TEST_DONE();
392
393 TEST_START("equal mismatched key types");
394 ASSERT_INT_EQ(sshkey_equal(kd, kr), 0);
395 #ifdef OPENSSL_HAS_ECC
396 ASSERT_INT_EQ(sshkey_equal(kd, ke), 0);
397 ASSERT_INT_EQ(sshkey_equal(kr, ke), 0);
398 ASSERT_INT_EQ(sshkey_equal(ke, kf), 0);
399 #endif
400 ASSERT_INT_EQ(sshkey_equal(kd, kf), 0);
401 TEST_DONE();
402
403 TEST_START("equal different keys");
404 ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 1024, &k1), 0);
405 ASSERT_INT_EQ(sshkey_equal(kr, k1), 0);
406 sshkey_free(k1);
407 ASSERT_INT_EQ(sshkey_generate(KEY_DSA, 1024, &k1), 0);
408 ASSERT_INT_EQ(sshkey_equal(kd, k1), 0);
409 sshkey_free(k1);
410 #ifdef OPENSSL_HAS_ECC
411 ASSERT_INT_EQ(sshkey_generate(KEY_ECDSA, 256, &k1), 0);
412 ASSERT_INT_EQ(sshkey_equal(ke, k1), 0);
413 sshkey_free(k1);
414 #endif
415 ASSERT_INT_EQ(sshkey_generate(KEY_ED25519, 256, &k1), 0);
416 ASSERT_INT_EQ(sshkey_equal(kf, k1), 0);
417 sshkey_free(k1);
418 TEST_DONE();
419
420 sshkey_free(kr);
421 sshkey_free(kd);
422 #ifdef OPENSSL_HAS_ECC
423 sshkey_free(ke);
424 #endif
425 sshkey_free(kf);
426
427 TEST_START("certify key");
428 ASSERT_INT_EQ(sshkey_load_public(test_data_file("ed25519_1.pub"),
429 &k1, NULL), 0);
430 k2 = get_private("ed25519_2");
431 ASSERT_INT_EQ(sshkey_to_certified(k1), 0);
432 ASSERT_PTR_NE(k1->cert, NULL);
433 k1->cert->type = SSH2_CERT_TYPE_USER;
434 k1->cert->serial = 1234;
435 k1->cert->key_id = strdup("estragon");
436 ASSERT_PTR_NE(k1->cert->key_id, NULL);
437 k1->cert->principals = calloc(4, sizeof(*k1->cert->principals));
438 ASSERT_PTR_NE(k1->cert->principals, NULL);
439 k1->cert->principals[0] = strdup("estragon");
440 k1->cert->principals[1] = strdup("vladimir");
441 k1->cert->principals[2] = strdup("pozzo");
442 k1->cert->principals[3] = strdup("lucky");
443 ASSERT_PTR_NE(k1->cert->principals[0], NULL);
444 ASSERT_PTR_NE(k1->cert->principals[1], NULL);
445 ASSERT_PTR_NE(k1->cert->principals[2], NULL);
446 ASSERT_PTR_NE(k1->cert->principals[3], NULL);
447 k1->cert->valid_after = 0;
448 k1->cert->valid_before = (u_int64_t)-1;
449 k1->cert->critical = sshbuf_new();
450 ASSERT_PTR_NE(k1->cert->critical, NULL);
451 k1->cert->extensions = sshbuf_new();
452 ASSERT_PTR_NE(k1->cert->extensions, NULL);
453 put_opt(k1->cert->critical, "force-command", "/usr/bin/true");
454 put_opt(k1->cert->critical, "source-address", "127.0.0.1");
455 put_opt(k1->cert->extensions, "permit-X11-forwarding", NULL);
456 put_opt(k1->cert->extensions, "permit-agent-forwarding", NULL);
457 ASSERT_INT_EQ(sshkey_from_private(k2, &k1->cert->signature_key), 0);
458 ASSERT_INT_EQ(sshkey_certify(k1, k2, NULL), 0);
459 b = sshbuf_new();
460 ASSERT_PTR_NE(b, NULL);
461 ASSERT_INT_EQ(sshkey_putb(k1, b), 0);
462 ASSERT_INT_EQ(sshkey_from_blob(sshbuf_ptr(b), sshbuf_len(b), &k3), 0);
463
464 sshkey_free(k1);
465 sshkey_free(k2);
466 sshkey_free(k3);
467 sshbuf_reset(b);
468 TEST_DONE();
469
470 TEST_START("sign and verify RSA");
471 k1 = get_private("rsa_1");
472 ASSERT_INT_EQ(sshkey_load_public(test_data_file("rsa_2.pub"), &k2,
473 NULL), 0);
474 signature_tests(k1, k2, "ssh-rsa");
475 sshkey_free(k1);
476 sshkey_free(k2);
477 TEST_DONE();
478
479 TEST_START("sign and verify RSA-SHA256");
480 k1 = get_private("rsa_1");
481 ASSERT_INT_EQ(sshkey_load_public(test_data_file("rsa_2.pub"), &k2,
482 NULL), 0);
483 signature_tests(k1, k2, "rsa-sha2-256");
484 sshkey_free(k1);
485 sshkey_free(k2);
486 TEST_DONE();
487
488 TEST_START("sign and verify RSA-SHA512");
489 k1 = get_private("rsa_1");
490 ASSERT_INT_EQ(sshkey_load_public(test_data_file("rsa_2.pub"), &k2,
491 NULL), 0);
492 signature_tests(k1, k2, "rsa-sha2-512");
493 sshkey_free(k1);
494 sshkey_free(k2);
495 TEST_DONE();
496
497 TEST_START("sign and verify DSA");
498 k1 = get_private("dsa_1");
499 ASSERT_INT_EQ(sshkey_load_public(test_data_file("dsa_2.pub"), &k2,
500 NULL), 0);
501 signature_tests(k1, k2, NULL);
502 sshkey_free(k1);
503 sshkey_free(k2);
504 TEST_DONE();
505
506 #ifdef OPENSSL_HAS_ECC
507 TEST_START("sign and verify ECDSA");
508 k1 = get_private("ecdsa_1");
509 ASSERT_INT_EQ(sshkey_load_public(test_data_file("ecdsa_2.pub"), &k2,
510 NULL), 0);
511 signature_tests(k1, k2, NULL);
512 sshkey_free(k1);
513 sshkey_free(k2);
514 TEST_DONE();
515 #endif
516
517 TEST_START("sign and verify ED25519");
518 k1 = get_private("ed25519_1");
519 ASSERT_INT_EQ(sshkey_load_public(test_data_file("ed25519_2.pub"), &k2,
520 NULL), 0);
521 signature_tests(k1, k2, NULL);
522 sshkey_free(k1);
523 sshkey_free(k2);
524 TEST_DONE();
525
526 TEST_START("nested certificate");
527 ASSERT_INT_EQ(sshkey_load_cert(test_data_file("rsa_1"), &k1), 0);
528 ASSERT_INT_EQ(sshkey_load_public(test_data_file("rsa_1.pub"), &k2,
529 NULL), 0);
530 k3 = get_private("rsa_1");
531 build_cert(b, k2, "ssh-rsa-cert-v01@openssh.com", k3, k1, NULL);
532 ASSERT_INT_EQ(sshkey_from_blob(sshbuf_ptr(b), sshbuf_len(b), &k4),
533 SSH_ERR_KEY_CERT_INVALID_SIGN_KEY);
534 ASSERT_PTR_EQ(k4, NULL);
535 sshkey_free(k1);
536 sshkey_free(k2);
537 sshkey_free(k3);
538 sshbuf_free(b);
539 TEST_DONE();
540
541 }
542