1/* $OpenBSD: test_sshkey.c,v 1.24 2024/01/11 01:45:58 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 <paths.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#ifdef WITH_OPENSSL 20#include <openssl/bn.h> 21#include <openssl/rsa.h> 22#include <openssl/dsa.h> 23#if defined(OPENSSL_HAS_ECC) && defined(OPENSSL_HAS_NISTP256) 24# include <openssl/ec.h> 25#endif 26#endif 27 28#include "../test_helper/test_helper.h" 29 30#include "ssherr.h" 31#include "sshbuf.h" 32#define SSHBUF_INTERNAL 1 /* access internals for testing */ 33#include "sshkey.h" 34 35#include "authfile.h" 36#include "common.h" 37#include "ssh2.h" 38 39void sshkey_tests(void); 40 41static void 42put_opt(struct sshbuf *b, const char *name, const char *value) 43{ 44 struct sshbuf *sect; 45 46 sect = sshbuf_new(); 47 ASSERT_PTR_NE(sect, NULL); 48 ASSERT_INT_EQ(sshbuf_put_cstring(b, name), 0); 49 if (value != NULL) 50 ASSERT_INT_EQ(sshbuf_put_cstring(sect, value), 0); 51 ASSERT_INT_EQ(sshbuf_put_stringb(b, sect), 0); 52 sshbuf_free(sect); 53} 54 55#ifdef WITH_OPENSSL 56static void 57build_cert(struct sshbuf *b, struct sshkey *k, const char *type, 58 struct sshkey *sign_key, struct sshkey *ca_key, 59 const char *sig_alg) 60{ 61 struct sshbuf *ca_buf, *pk, *principals, *critopts, *exts; 62 u_char *sigblob; 63 size_t siglen; 64 65 ca_buf = sshbuf_new(); 66 ASSERT_PTR_NE(ca_buf, NULL); 67 ASSERT_INT_EQ(sshkey_putb(ca_key, ca_buf), 0); 68 69 /* 70 * Get the public key serialisation by rendering the key and skipping 71 * the type string. This is a bit of a hack :/ 72 */ 73 pk = sshbuf_new(); 74 ASSERT_PTR_NE(pk, NULL); 75 ASSERT_INT_EQ(sshkey_putb_plain(k, pk), 0); 76 ASSERT_INT_EQ(sshbuf_skip_string(pk), 0); 77 78 principals = sshbuf_new(); 79 ASSERT_PTR_NE(principals, NULL); 80 ASSERT_INT_EQ(sshbuf_put_cstring(principals, "gsamsa"), 0); 81 ASSERT_INT_EQ(sshbuf_put_cstring(principals, "gregor"), 0); 82 83 critopts = sshbuf_new(); 84 ASSERT_PTR_NE(critopts, NULL); 85 put_opt(critopts, "force-command", _PATH_LOCALBASE "/bin/nethack"); 86 put_opt(critopts, "source-address", "192.168.0.0/24,127.0.0.1,::1"); 87 88 exts = sshbuf_new(); 89 ASSERT_PTR_NE(exts, NULL); 90 put_opt(critopts, "permit-X11-forwarding", NULL); 91 92 ASSERT_INT_EQ(sshbuf_put_cstring(b, type), 0); 93 ASSERT_INT_EQ(sshbuf_put_cstring(b, "noncenoncenonce!"), 0); /* nonce */ 94 ASSERT_INT_EQ(sshbuf_putb(b, pk), 0); /* public key serialisation */ 95 ASSERT_INT_EQ(sshbuf_put_u64(b, 1234), 0); /* serial */ 96 ASSERT_INT_EQ(sshbuf_put_u32(b, SSH2_CERT_TYPE_USER), 0); /* type */ 97 ASSERT_INT_EQ(sshbuf_put_cstring(b, "gregor"), 0); /* key ID */ 98 ASSERT_INT_EQ(sshbuf_put_stringb(b, principals), 0); /* principals */ 99 ASSERT_INT_EQ(sshbuf_put_u64(b, 0), 0); /* start */ 100 ASSERT_INT_EQ(sshbuf_put_u64(b, 0xffffffffffffffffULL), 0); /* end */ 101 ASSERT_INT_EQ(sshbuf_put_stringb(b, critopts), 0); /* options */ 102 ASSERT_INT_EQ(sshbuf_put_stringb(b, exts), 0); /* extensions */ 103 ASSERT_INT_EQ(sshbuf_put_string(b, NULL, 0), 0); /* reserved */ 104 ASSERT_INT_EQ(sshbuf_put_stringb(b, ca_buf), 0); /* signature key */ 105 ASSERT_INT_EQ(sshkey_sign(sign_key, &sigblob, &siglen, 106 sshbuf_ptr(b), sshbuf_len(b), sig_alg, NULL, NULL, 0), 0); 107 ASSERT_INT_EQ(sshbuf_put_string(b, sigblob, siglen), 0); /* signature */ 108 109 free(sigblob); 110 sshbuf_free(ca_buf); 111 sshbuf_free(exts); 112 sshbuf_free(critopts); 113 sshbuf_free(principals); 114 sshbuf_free(pk); 115} 116#endif /* WITH_OPENSSL */ 117 118static void 119signature_test(struct sshkey *k, struct sshkey *bad, const char *sig_alg, 120 const u_char *d, size_t l) 121{ 122 size_t len; 123 u_char *sig; 124 125 ASSERT_INT_EQ(sshkey_sign(k, &sig, &len, d, l, sig_alg, 126 NULL, NULL, 0), 0); 127 ASSERT_SIZE_T_GT(len, 8); 128 ASSERT_PTR_NE(sig, NULL); 129 ASSERT_INT_EQ(sshkey_verify(k, sig, len, d, l, NULL, 0, NULL), 0); 130 ASSERT_INT_NE(sshkey_verify(bad, sig, len, d, l, NULL, 0, NULL), 0); 131 /* Fuzz test is more comprehensive, this is just a smoke test */ 132 sig[len - 5] ^= 0x10; 133 ASSERT_INT_NE(sshkey_verify(k, sig, len, d, l, NULL, 0, NULL), 0); 134 free(sig); 135} 136 137static void 138banana(u_char *s, size_t l) 139{ 140 size_t o; 141 const u_char the_banana[] = { 'b', 'a', 'n', 'a', 'n', 'a' }; 142 143 for (o = 0; o < l; o += sizeof(the_banana)) { 144 if (l - o < sizeof(the_banana)) { 145 memcpy(s + o, "nanananana", l - o); 146 break; 147 } 148 memcpy(s + o, the_banana, sizeof(the_banana)); 149 } 150} 151 152static void 153signature_tests(struct sshkey *k, struct sshkey *bad, const char *sig_alg) 154{ 155 u_char i, buf[2049]; 156 size_t lens[] = { 157 1, 2, 7, 8, 9, 15, 16, 17, 31, 32, 33, 127, 128, 129, 158 255, 256, 257, 1023, 1024, 1025, 2047, 2048, 2049 159 }; 160 161 for (i = 0; i < (sizeof(lens)/sizeof(lens[0])); i++) { 162 test_subtest_info("%s key, banana length %zu", 163 sshkey_type(k), lens[i]); 164 banana(buf, lens[i]); 165 signature_test(k, bad, sig_alg, buf, lens[i]); 166 } 167} 168 169static struct sshkey * 170get_private(const char *n) 171{ 172 struct sshbuf *b; 173 struct sshkey *ret; 174 175 b = load_file(n); 176 ASSERT_INT_EQ(sshkey_parse_private_fileblob(b, "", &ret, NULL), 0); 177 sshbuf_free(b); 178 return ret; 179} 180 181void 182sshkey_tests(void) 183{ 184 struct sshkey *k1 = NULL, *k2 = NULL, *k3 = NULL, *kf = NULL; 185#ifdef WITH_OPENSSL 186 struct sshkey *k4 = NULL, *kr = NULL, *kd = NULL; 187#ifdef OPENSSL_HAS_ECC 188 struct sshkey *ke = NULL; 189#endif /* OPENSSL_HAS_ECC */ 190#endif /* WITH_OPENSSL */ 191 struct sshbuf *b = NULL; 192 193 TEST_START("new invalid"); 194 k1 = sshkey_new(-42); 195 ASSERT_PTR_EQ(k1, NULL); 196 TEST_DONE(); 197 198 TEST_START("new/free KEY_UNSPEC"); 199 k1 = sshkey_new(KEY_UNSPEC); 200 ASSERT_PTR_NE(k1, NULL); 201 sshkey_free(k1); 202 TEST_DONE(); 203 204#ifdef WITH_OPENSSL 205 TEST_START("new/free KEY_RSA"); 206 k1 = sshkey_new(KEY_RSA); 207 ASSERT_PTR_NE(k1, NULL); 208 ASSERT_PTR_NE(k1->rsa, NULL); 209 sshkey_free(k1); 210 TEST_DONE(); 211 212#ifdef WITH_DSA 213 TEST_START("new/free KEY_DSA"); 214 k1 = sshkey_new(KEY_DSA); 215 ASSERT_PTR_NE(k1, NULL); 216 ASSERT_PTR_NE(k1->dsa, NULL); 217 sshkey_free(k1); 218 TEST_DONE(); 219#endif 220 221#ifdef OPENSSL_HAS_ECC 222 TEST_START("new/free KEY_ECDSA"); 223 k1 = sshkey_new(KEY_ECDSA); 224 ASSERT_PTR_NE(k1, NULL); 225 ASSERT_PTR_EQ(k1->ecdsa, NULL); /* Can't allocate without NID */ 226 sshkey_free(k1); 227 TEST_DONE(); 228#endif 229 230 TEST_START("new/free KEY_ED25519"); 231 k1 = sshkey_new(KEY_ED25519); 232 ASSERT_PTR_NE(k1, NULL); 233 /* These should be blank until key loaded or generated */ 234 ASSERT_PTR_EQ(k1->ed25519_sk, NULL); 235 ASSERT_PTR_EQ(k1->ed25519_pk, NULL); 236 sshkey_free(k1); 237 TEST_DONE(); 238 239 TEST_START("generate KEY_RSA too small modulus"); 240 ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 128, &k1), 241 SSH_ERR_KEY_LENGTH); 242 ASSERT_PTR_EQ(k1, NULL); 243 TEST_DONE(); 244 245 TEST_START("generate KEY_RSA too large modulus"); 246 ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 1 << 20, &k1), 247 SSH_ERR_KEY_LENGTH); 248 ASSERT_PTR_EQ(k1, NULL); 249 TEST_DONE(); 250 251#ifdef WITH_DSA 252 TEST_START("generate KEY_DSA wrong bits"); 253 ASSERT_INT_EQ(sshkey_generate(KEY_DSA, 2048, &k1), 254 SSH_ERR_KEY_LENGTH); 255 ASSERT_PTR_EQ(k1, NULL); 256 sshkey_free(k1); 257 TEST_DONE(); 258#endif 259 260#ifdef OPENSSL_HAS_ECC 261 TEST_START("generate KEY_ECDSA wrong bits"); 262 ASSERT_INT_EQ(sshkey_generate(KEY_ECDSA, 42, &k1), 263 SSH_ERR_KEY_LENGTH); 264 ASSERT_PTR_EQ(k1, NULL); 265 sshkey_free(k1); 266 TEST_DONE(); 267#endif 268 269 TEST_START("generate KEY_RSA"); 270 ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 767, &kr), 271 SSH_ERR_KEY_LENGTH); 272 ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 1024, &kr), 0); 273 ASSERT_PTR_NE(kr, NULL); 274 ASSERT_PTR_NE(kr->rsa, NULL); 275 ASSERT_PTR_NE(rsa_n(kr), NULL); 276 ASSERT_PTR_NE(rsa_e(kr), NULL); 277 ASSERT_PTR_NE(rsa_p(kr), NULL); 278 ASSERT_INT_EQ(BN_num_bits(rsa_n(kr)), 1024); 279 TEST_DONE(); 280 281#ifdef WITH_DSA 282 TEST_START("generate KEY_DSA"); 283 ASSERT_INT_EQ(sshkey_generate(KEY_DSA, 1024, &kd), 0); 284 ASSERT_PTR_NE(kd, NULL); 285 ASSERT_PTR_NE(kd->dsa, NULL); 286 ASSERT_PTR_NE(dsa_g(kd), NULL); 287 ASSERT_PTR_NE(dsa_priv_key(kd), NULL); 288 TEST_DONE(); 289#endif 290 291#ifdef OPENSSL_HAS_ECC 292 TEST_START("generate KEY_ECDSA"); 293 ASSERT_INT_EQ(sshkey_generate(KEY_ECDSA, 256, &ke), 0); 294 ASSERT_PTR_NE(ke, NULL); 295 ASSERT_PTR_NE(ke->ecdsa, NULL); 296 ASSERT_PTR_NE(EC_KEY_get0_public_key(ke->ecdsa), NULL); 297 ASSERT_PTR_NE(EC_KEY_get0_private_key(ke->ecdsa), NULL); 298 TEST_DONE(); 299#endif /* OPENSSL_HAS_ECC */ 300#endif /* WITH_OPENSSL */ 301 302 TEST_START("generate KEY_ED25519"); 303 ASSERT_INT_EQ(sshkey_generate(KEY_ED25519, 256, &kf), 0); 304 ASSERT_PTR_NE(kf, NULL); 305 ASSERT_INT_EQ(kf->type, KEY_ED25519); 306 ASSERT_PTR_NE(kf->ed25519_pk, NULL); 307 ASSERT_PTR_NE(kf->ed25519_sk, NULL); 308 TEST_DONE(); 309 310#ifdef WITH_OPENSSL 311 TEST_START("demote KEY_RSA"); 312 ASSERT_INT_EQ(sshkey_from_private(kr, &k1), 0); 313 ASSERT_PTR_NE(k1, NULL); 314 ASSERT_PTR_NE(kr, k1); 315 ASSERT_INT_EQ(k1->type, KEY_RSA); 316 ASSERT_PTR_NE(k1->rsa, NULL); 317 ASSERT_PTR_NE(rsa_n(k1), NULL); 318 ASSERT_PTR_NE(rsa_e(k1), NULL); 319 ASSERT_PTR_EQ(rsa_p(k1), NULL); 320 TEST_DONE(); 321 322 TEST_START("equal KEY_RSA/demoted KEY_RSA"); 323 ASSERT_INT_EQ(sshkey_equal(kr, k1), 1); 324 sshkey_free(k1); 325 TEST_DONE(); 326 327#ifdef WITH_DSA 328 TEST_START("demote KEY_DSA"); 329 ASSERT_INT_EQ(sshkey_from_private(kd, &k1), 0); 330 ASSERT_PTR_NE(k1, NULL); 331 ASSERT_PTR_NE(kd, k1); 332 ASSERT_INT_EQ(k1->type, KEY_DSA); 333 ASSERT_PTR_NE(k1->dsa, NULL); 334 ASSERT_PTR_NE(dsa_g(k1), NULL); 335 ASSERT_PTR_EQ(dsa_priv_key(k1), NULL); 336 TEST_DONE(); 337 338 TEST_START("equal KEY_DSA/demoted KEY_DSA"); 339 ASSERT_INT_EQ(sshkey_equal(kd, k1), 1); 340 sshkey_free(k1); 341 TEST_DONE(); 342#endif 343 344#ifdef OPENSSL_HAS_ECC 345 TEST_START("demote KEY_ECDSA"); 346 ASSERT_INT_EQ(sshkey_from_private(ke, &k1), 0); 347 ASSERT_PTR_NE(k1, NULL); 348 ASSERT_PTR_NE(ke, k1); 349 ASSERT_INT_EQ(k1->type, KEY_ECDSA); 350 ASSERT_PTR_NE(k1->ecdsa, NULL); 351 ASSERT_INT_EQ(k1->ecdsa_nid, ke->ecdsa_nid); 352 ASSERT_PTR_NE(EC_KEY_get0_public_key(ke->ecdsa), NULL); 353 ASSERT_PTR_EQ(EC_KEY_get0_private_key(k1->ecdsa), NULL); 354 TEST_DONE(); 355 356 TEST_START("equal KEY_ECDSA/demoted KEY_ECDSA"); 357 ASSERT_INT_EQ(sshkey_equal(ke, k1), 1); 358 sshkey_free(k1); 359 TEST_DONE(); 360#endif /* OPENSSL_HAS_ECC */ 361#endif /* WITH_OPENSSL */ 362 363 TEST_START("demote KEY_ED25519"); 364 ASSERT_INT_EQ(sshkey_from_private(kf, &k1), 0); 365 ASSERT_PTR_NE(k1, NULL); 366 ASSERT_PTR_NE(kf, k1); 367 ASSERT_INT_EQ(k1->type, KEY_ED25519); 368 ASSERT_PTR_NE(k1->ed25519_pk, NULL); 369 ASSERT_PTR_EQ(k1->ed25519_sk, NULL); 370 TEST_DONE(); 371 372 TEST_START("equal KEY_ED25519/demoted KEY_ED25519"); 373 ASSERT_INT_EQ(sshkey_equal(kf, k1), 1); 374 sshkey_free(k1); 375 TEST_DONE(); 376 377#ifdef WITH_OPENSSL 378 TEST_START("equal mismatched key types"); 379 ASSERT_INT_EQ(sshkey_equal(kd, kr), 0); 380#ifdef OPENSSL_HAS_ECC 381 ASSERT_INT_EQ(sshkey_equal(kd, ke), 0); 382 ASSERT_INT_EQ(sshkey_equal(kr, ke), 0); 383 ASSERT_INT_EQ(sshkey_equal(ke, kf), 0); 384#endif /* OPENSSL_HAS_ECC */ 385 ASSERT_INT_EQ(sshkey_equal(kd, kf), 0); 386 TEST_DONE(); 387#endif /* WITH_OPENSSL */ 388 389 TEST_START("equal different keys"); 390#ifdef WITH_OPENSSL 391 ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 1024, &k1), 0); 392 ASSERT_INT_EQ(sshkey_equal(kr, k1), 0); 393 sshkey_free(k1); 394#ifdef OPENSSL_HAS_ECC 395 ASSERT_INT_EQ(sshkey_generate(KEY_ECDSA, 256, &k1), 0); 396 ASSERT_INT_EQ(sshkey_equal(ke, k1), 0); 397 sshkey_free(k1); 398#endif /* OPENSSL_HAS_ECC */ 399#endif /* WITH_OPENSSL */ 400 ASSERT_INT_EQ(sshkey_generate(KEY_ED25519, 256, &k1), 0); 401 ASSERT_INT_EQ(sshkey_equal(kf, k1), 0); 402 sshkey_free(k1); 403 TEST_DONE(); 404 405#ifdef WITH_OPENSSL 406 sshkey_free(kr); 407 sshkey_free(kd); 408#ifdef OPENSSL_HAS_ECC 409 sshkey_free(ke); 410#endif /* OPENSSL_HAS_ECC */ 411#endif /* WITH_OPENSSL */ 412 sshkey_free(kf); 413 414 TEST_START("certify key"); 415 ASSERT_INT_EQ(sshkey_load_public(test_data_file("ed25519_1.pub"), 416 &k1, NULL), 0); 417 k2 = get_private("ed25519_2"); 418 ASSERT_INT_EQ(sshkey_to_certified(k1), 0); 419 ASSERT_PTR_NE(k1->cert, NULL); 420 k1->cert->type = SSH2_CERT_TYPE_USER; 421 k1->cert->serial = 1234; 422 k1->cert->key_id = strdup("estragon"); 423 ASSERT_PTR_NE(k1->cert->key_id, NULL); 424 k1->cert->principals = calloc(4, sizeof(*k1->cert->principals)); 425 ASSERT_PTR_NE(k1->cert->principals, NULL); 426 k1->cert->principals[0] = strdup("estragon"); 427 k1->cert->principals[1] = strdup("vladimir"); 428 k1->cert->principals[2] = strdup("pozzo"); 429 k1->cert->principals[3] = strdup("lucky"); 430 ASSERT_PTR_NE(k1->cert->principals[0], NULL); 431 ASSERT_PTR_NE(k1->cert->principals[1], NULL); 432 ASSERT_PTR_NE(k1->cert->principals[2], NULL); 433 ASSERT_PTR_NE(k1->cert->principals[3], NULL); 434 k1->cert->nprincipals = 4; 435 k1->cert->valid_after = 0; 436 k1->cert->valid_before = (u_int64_t)-1; 437 sshbuf_free(k1->cert->critical); 438 k1->cert->critical = sshbuf_new(); 439 ASSERT_PTR_NE(k1->cert->critical, NULL); 440 sshbuf_free(k1->cert->extensions); 441 k1->cert->extensions = sshbuf_new(); 442 ASSERT_PTR_NE(k1->cert->extensions, NULL); 443 put_opt(k1->cert->critical, "force-command", "/usr/bin/true"); 444 put_opt(k1->cert->critical, "source-address", "127.0.0.1"); 445 put_opt(k1->cert->extensions, "permit-X11-forwarding", NULL); 446 put_opt(k1->cert->extensions, "permit-agent-forwarding", NULL); 447 ASSERT_INT_EQ(sshkey_from_private(k2, &k1->cert->signature_key), 0); 448 ASSERT_INT_EQ(sshkey_certify(k1, k2, NULL, NULL, NULL), 0); 449 b = sshbuf_new(); 450 ASSERT_PTR_NE(b, NULL); 451 ASSERT_INT_EQ(sshkey_putb(k1, b), 0); 452 ASSERT_INT_EQ(sshkey_from_blob(sshbuf_ptr(b), sshbuf_len(b), &k3), 0); 453 454 sshkey_free(k1); 455 sshkey_free(k2); 456 sshkey_free(k3); 457 sshbuf_reset(b); 458 TEST_DONE(); 459 460#ifdef WITH_OPENSSL 461 TEST_START("sign and verify RSA"); 462 k1 = get_private("rsa_1"); 463 ASSERT_INT_EQ(sshkey_load_public(test_data_file("rsa_2.pub"), &k2, 464 NULL), 0); 465 signature_tests(k1, k2, "ssh-rsa"); 466 sshkey_free(k1); 467 sshkey_free(k2); 468 TEST_DONE(); 469 470 TEST_START("sign and verify RSA-SHA256"); 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, "rsa-sha2-256"); 475 sshkey_free(k1); 476 sshkey_free(k2); 477 TEST_DONE(); 478 479 TEST_START("sign and verify RSA-SHA512"); 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-sha2-512"); 484 sshkey_free(k1); 485 sshkey_free(k2); 486 TEST_DONE(); 487 488#ifdef WITH_DSA 489 TEST_START("sign and verify DSA"); 490 k1 = get_private("dsa_1"); 491 ASSERT_INT_EQ(sshkey_load_public(test_data_file("dsa_2.pub"), &k2, 492 NULL), 0); 493 signature_tests(k1, k2, NULL); 494 sshkey_free(k1); 495 sshkey_free(k2); 496 TEST_DONE(); 497#endif 498 499#ifdef OPENSSL_HAS_ECC 500 TEST_START("sign and verify ECDSA"); 501 k1 = get_private("ecdsa_1"); 502 ASSERT_INT_EQ(sshkey_load_public(test_data_file("ecdsa_2.pub"), &k2, 503 NULL), 0); 504 signature_tests(k1, k2, NULL); 505 sshkey_free(k1); 506 sshkey_free(k2); 507 TEST_DONE(); 508#endif /* OPENSSL_HAS_ECC */ 509#endif /* WITH_OPENSSL */ 510 511 TEST_START("sign and verify ED25519"); 512 k1 = get_private("ed25519_1"); 513 ASSERT_INT_EQ(sshkey_load_public(test_data_file("ed25519_2.pub"), &k2, 514 NULL), 0); 515 signature_tests(k1, k2, NULL); 516 sshkey_free(k1); 517 sshkey_free(k2); 518 TEST_DONE(); 519 520#ifdef WITH_OPENSSL 521 TEST_START("nested certificate"); 522 ASSERT_INT_EQ(sshkey_load_cert(test_data_file("rsa_1"), &k1), 0); 523 ASSERT_INT_EQ(sshkey_load_public(test_data_file("rsa_1.pub"), &k2, 524 NULL), 0); 525 k3 = get_private("rsa_1"); 526 build_cert(b, k2, "ssh-rsa-cert-v01@openssh.com", k3, k1, NULL); 527 ASSERT_INT_EQ(sshkey_from_blob(sshbuf_ptr(b), sshbuf_len(b), &k4), 528 SSH_ERR_KEY_CERT_INVALID_SIGN_KEY); 529 ASSERT_PTR_EQ(k4, NULL); 530 sshkey_free(k1); 531 sshkey_free(k2); 532 sshkey_free(k3); 533 sshbuf_free(b); 534 TEST_DONE(); 535#endif /* WITH_OPENSSL */ 536} 537