xref: /openssh-portable/krl.h (revision 4f7a56d5)
1 /*
2  * Copyright (c) 2012 Damien Miller <djm@mindrot.org>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 /* $OpenBSD: krl.h,v 1.7 2019/06/21 04:21:04 djm Exp $ */
18 
19 #ifndef _KRL_H
20 #define _KRL_H
21 
22 /* Functions to manage key revocation lists */
23 
24 #define KRL_MAGIC		"SSHKRL\n\0"
25 #define KRL_FORMAT_VERSION	1
26 
27 /* KRL section types */
28 #define KRL_SECTION_CERTIFICATES	1
29 #define KRL_SECTION_EXPLICIT_KEY	2
30 #define KRL_SECTION_FINGERPRINT_SHA1	3
31 #define KRL_SECTION_SIGNATURE		4
32 #define KRL_SECTION_FINGERPRINT_SHA256	5
33 
34 /* KRL_SECTION_CERTIFICATES subsection types */
35 #define KRL_SECTION_CERT_SERIAL_LIST	0x20
36 #define KRL_SECTION_CERT_SERIAL_RANGE	0x21
37 #define KRL_SECTION_CERT_SERIAL_BITMAP	0x22
38 #define KRL_SECTION_CERT_KEY_ID		0x23
39 
40 struct sshkey;
41 struct sshbuf;
42 struct ssh_krl;
43 
44 struct ssh_krl *ssh_krl_init(void);
45 void ssh_krl_free(struct ssh_krl *krl);
46 void ssh_krl_set_version(struct ssh_krl *krl, u_int64_t version);
47 int ssh_krl_set_comment(struct ssh_krl *krl, const char *comment);
48 int ssh_krl_revoke_cert_by_serial(struct ssh_krl *krl,
49     const struct sshkey *ca_key, u_int64_t serial);
50 int ssh_krl_revoke_cert_by_serial_range(struct ssh_krl *krl,
51     const struct sshkey *ca_key, u_int64_t lo, u_int64_t hi);
52 int ssh_krl_revoke_cert_by_key_id(struct ssh_krl *krl,
53     const struct sshkey *ca_key, const char *key_id);
54 int ssh_krl_revoke_key_explicit(struct ssh_krl *krl, const struct sshkey *key);
55 int ssh_krl_revoke_key_sha1(struct ssh_krl *krl, const u_char *p, size_t len);
56 int ssh_krl_revoke_key_sha256(struct ssh_krl *krl, const u_char *p, size_t len);
57 int ssh_krl_revoke_key(struct ssh_krl *krl, const struct sshkey *key);
58 int ssh_krl_to_blob(struct ssh_krl *krl, struct sshbuf *buf,
59     struct sshkey **sign_keys, u_int nsign_keys);
60 int ssh_krl_from_blob(struct sshbuf *buf, struct ssh_krl **krlp,
61     const struct sshkey **sign_ca_keys, size_t nsign_ca_keys);
62 int ssh_krl_check_key(struct ssh_krl *krl, const struct sshkey *key);
63 int ssh_krl_file_contains_key(const char *path, const struct sshkey *key);
64 
65 #endif /* _KRL_H */
66 
67