1 /* $OpenBSD: key.c,v 1.122 2014/07/22 01:18:50 dtucker Exp $ */
3 * placed in the public domain
14 #define SSH_KEY_NO_DEFINE
24 key_add_private(Key *k)
28 if ((r = sshkey_add_private(k)) != 0)
29 fatal("%s: %s", __func__, ssh_err(r));
33 key_new_private(int type)
37 if ((ret = sshkey_new_private(type)) == NULL)
38 fatal("%s: failed", __func__);
43 key_fingerprint_raw(const Key *k, enum fp_type dgst_type,
44 u_int *dgst_raw_length)
50 if (dgst_raw_length != NULL)
52 if ((r = sshkey_fingerprint_raw(k, dgst_type, &ret, &dlen)) != 0)
53 fatal("%s: %s", __func__, ssh_err(r));
55 fatal("%s: giant len %zu", __func__, dlen);
56 *dgst_raw_length = dlen;
61 key_read(Key *ret, char **cpp)
63 return sshkey_read(ret, cpp) == 0 ? 1 : -1;
67 key_write(const Key *key, FILE *f)
69 return sshkey_write(key, f) == 0 ? 1 : 0;
73 key_generate(int type, u_int bits)
78 if ((r = sshkey_generate(type, bits, &ret)) != 0)
79 fatal("%s: %s", __func__, ssh_err(r));
84 key_cert_copy(const Key *from_key, Key *to_key)
88 if ((r = sshkey_cert_copy(from_key, to_key)) != 0)
89 fatal("%s: %s", __func__, ssh_err(r));
93 key_from_private(const Key *k)
98 if ((r = sshkey_from_private(k, &ret)) != 0)
99 fatal("%s: %s", __func__, ssh_err(r));
104 fatal_on_fatal_errors(int r, const char *func, int extra_fatal)
106 if (r == SSH_ERR_INTERNAL_ERROR ||
107 r == SSH_ERR_ALLOC_FAIL ||
108 (extra_fatal != 0 && r == extra_fatal))
109 fatal("%s: %s", func, ssh_err(r));
113 key_from_blob(const u_char *blob, u_int blen)
118 if ((r = sshkey_from_blob(blob, blen, &ret)) != 0) {
119 fatal_on_fatal_errors(r, __func__, 0);
120 error("%s: %s", __func__, ssh_err(r));
127 key_to_blob(const Key *key, u_char **blobp, u_int *lenp)
137 if ((r = sshkey_to_blob(key, &blob, &blen)) != 0) {
138 fatal_on_fatal_errors(r, __func__, 0);
139 error("%s: %s", __func__, ssh_err(r));
143 fatal("%s: giant len %zu", __func__, blen);
152 key_sign(const Key *key, u_char **sigp, u_int *lenp,
153 const u_char *data, u_int datalen)
163 if ((r = sshkey_sign(key, &sig, &siglen,
164 data, datalen, datafellows)) != 0) {
165 fatal_on_fatal_errors(r, __func__, 0);
166 error("%s: %s", __func__, ssh_err(r));
169 if (siglen > INT_MAX)
170 fatal("%s: giant len %zu", __func__, siglen);
179 key_verify(const Key *key, const u_char *signature, u_int signaturelen,
180 const u_char *data, u_int datalen)
184 if ((r = sshkey_verify(key, signature, signaturelen,
185 data, datalen, datafellows)) != 0) {
186 fatal_on_fatal_errors(r, __func__, 0);
187 error("%s: %s", __func__, ssh_err(r));
188 return r == SSH_ERR_SIGNATURE_INVALID ? 0 : -1;
194 key_demote(const Key *k)
199 if ((r = sshkey_demote(k, &ret)) != 0)
200 fatal("%s: %s", __func__, ssh_err(r));
205 key_to_certified(Key *k, int legacy)
209 if ((r = sshkey_to_certified(k, legacy)) != 0) {
210 fatal_on_fatal_errors(r, __func__, 0);
211 error("%s: %s", __func__, ssh_err(r));
218 key_drop_cert(Key *k)
222 if ((r = sshkey_drop_cert(k)) != 0) {
223 fatal_on_fatal_errors(r, __func__, 0);
224 error("%s: %s", __func__, ssh_err(r));
231 key_certify(Key *k, Key *ca)
235 if ((r = sshkey_certify(k, ca)) != 0) {
236 fatal_on_fatal_errors(r, __func__, 0);
237 error("%s: %s", __func__, ssh_err(r));
244 key_cert_check_authority(const Key *k, int want_host, int require_principal,
245 const char *name, const char **reason)
249 if ((r = sshkey_cert_check_authority(k, want_host, require_principal,
250 name, reason)) != 0) {
251 fatal_on_fatal_errors(r, __func__, 0);
252 error("%s: %s", __func__, ssh_err(r));
258 #if defined(WITH_OPENSSL) && defined(OPENSSL_HAS_ECC)
260 key_ec_validate_public(const EC_GROUP *group, const EC_POINT *public)
264 if ((r = sshkey_ec_validate_public(group, public)) != 0) {
265 fatal_on_fatal_errors(r, __func__, SSH_ERR_LIBCRYPTO_ERROR);
266 error("%s: %s", __func__, ssh_err(r));
273 key_ec_validate_private(const EC_KEY *key)
277 if ((r = sshkey_ec_validate_private(key)) != 0) {
278 fatal_on_fatal_errors(r, __func__, SSH_ERR_LIBCRYPTO_ERROR);
279 error("%s: %s", __func__, ssh_err(r));
284 #endif /* WITH_OPENSSL */
287 key_private_serialize(const Key *key, struct sshbuf *b)
291 if ((r = sshkey_private_serialize(key, b)) != 0)
292 fatal("%s: %s", __func__, ssh_err(r));
296 key_private_deserialize(struct sshbuf *blob)
301 if ((r = sshkey_private_deserialize(blob, &ret)) != 0) {
302 fatal_on_fatal_errors(r, __func__, SSH_ERR_LIBCRYPTO_ERROR);
303 error("%s: %s", __func__, ssh_err(r));
312 key_save_private(Key *key, const char *filename, const char *passphrase,
313 const char *comment, int force_new_format, const char *new_format_cipher,
314 int new_format_rounds)
318 if ((r = sshkey_save_private(key, filename, passphrase, comment,
319 force_new_format, new_format_cipher, new_format_rounds)) != 0) {
320 fatal_on_fatal_errors(r, __func__, SSH_ERR_LIBCRYPTO_ERROR);
321 error("%s: %s", __func__, ssh_err(r));
328 key_load_file(int fd, const char *filename, struct sshbuf *blob)
332 if ((r = sshkey_load_file(fd, filename, blob)) != 0) {
333 fatal_on_fatal_errors(r, __func__, SSH_ERR_LIBCRYPTO_ERROR);
334 error("%s: %s", __func__, ssh_err(r));
341 key_load_cert(const char *filename)
346 if ((r = sshkey_load_cert(filename, &ret)) != 0) {
347 fatal_on_fatal_errors(r, __func__, SSH_ERR_LIBCRYPTO_ERROR);
348 /* Old authfile.c ignored all file errors. */
349 if (r == SSH_ERR_SYSTEM_ERROR)
350 debug("%s: %s", __func__, ssh_err(r));
352 error("%s: %s", __func__, ssh_err(r));
360 key_load_public(const char *filename, char **commentp)
365 if ((r = sshkey_load_public(filename, &ret, commentp)) != 0) {
366 fatal_on_fatal_errors(r, __func__, SSH_ERR_LIBCRYPTO_ERROR);
367 /* Old authfile.c ignored all file errors. */
368 if (r == SSH_ERR_SYSTEM_ERROR)
369 debug("%s: %s", __func__, ssh_err(r));
371 error("%s: %s", __func__, ssh_err(r));
378 key_load_private(const char *path, const char *passphrase,
384 if ((r = sshkey_load_private(path, passphrase, &ret, commentp)) != 0) {
385 fatal_on_fatal_errors(r, __func__, SSH_ERR_LIBCRYPTO_ERROR);
386 /* Old authfile.c ignored all file errors. */
387 if (r == SSH_ERR_SYSTEM_ERROR ||
388 r == SSH_ERR_KEY_WRONG_PASSPHRASE)
389 debug("%s: %s", __func__, ssh_err(r));
391 error("%s: %s", __func__, ssh_err(r));
398 key_load_private_cert(int type, const char *filename, const char *passphrase,
404 if ((r = sshkey_load_private_cert(type, filename, passphrase,
405 &ret, perm_ok)) != 0) {
406 fatal_on_fatal_errors(r, __func__, SSH_ERR_LIBCRYPTO_ERROR);
407 /* Old authfile.c ignored all file errors. */
408 if (r == SSH_ERR_SYSTEM_ERROR ||
409 r == SSH_ERR_KEY_WRONG_PASSPHRASE)
410 debug("%s: %s", __func__, ssh_err(r));
412 error("%s: %s", __func__, ssh_err(r));
419 key_load_private_type(int type, const char *filename, const char *passphrase,
420 char **commentp, int *perm_ok)
425 if ((r = sshkey_load_private_type(type, filename, passphrase,
426 &ret, commentp, perm_ok)) != 0) {
427 fatal_on_fatal_errors(r, __func__, SSH_ERR_LIBCRYPTO_ERROR);
428 /* Old authfile.c ignored all file errors. */
429 if (r == SSH_ERR_SYSTEM_ERROR ||
430 (r == SSH_ERR_KEY_WRONG_PASSPHRASE))
431 debug("%s: %s", __func__, ssh_err(r));
433 error("%s: %s", __func__, ssh_err(r));
441 key_load_private_pem(int fd, int type, const char *passphrase,
447 if ((r = sshkey_load_private_pem(fd, type, passphrase,
448 &ret, commentp)) != 0) {
449 fatal_on_fatal_errors(r, __func__, SSH_ERR_LIBCRYPTO_ERROR);
450 if (r == SSH_ERR_KEY_WRONG_PASSPHRASE)
451 debug("%s: %s", __func__, ssh_err(r));
453 error("%s: %s", __func__, ssh_err(r));
458 #endif /* WITH_OPENSSL */
461 key_perm_ok(int fd, const char *filename)
463 return sshkey_perm_ok(fd, filename) == 0 ? 1 : 0;
467 key_in_file(Key *key, const char *filename, int strict_type)
471 if ((r = sshkey_in_file(key, filename, strict_type)) != 0) {
472 fatal_on_fatal_errors(r, __func__, SSH_ERR_LIBCRYPTO_ERROR);
473 if (r == SSH_ERR_SYSTEM_ERROR && errno == ENOENT)
475 error("%s: %s", __func__, ssh_err(r));
476 return r == SSH_ERR_KEY_NOT_FOUND ? 0 : -1;