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      1 /*
      2  * Copyright (c) 2012 Damien Miller <djm (at) 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 1.4 2015/01/13 19:06:49 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 
     33 /* KRL_SECTION_CERTIFICATES subsection types */
     34 #define KRL_SECTION_CERT_SERIAL_LIST	0x20
     35 #define KRL_SECTION_CERT_SERIAL_RANGE	0x21
     36 #define KRL_SECTION_CERT_SERIAL_BITMAP	0x22
     37 #define KRL_SECTION_CERT_KEY_ID		0x23
     38 
     39 struct sshkey;
     40 struct sshbuf;
     41 struct ssh_krl;
     42 
     43 struct ssh_krl *ssh_krl_init(void);
     44 void ssh_krl_free(struct ssh_krl *krl);
     45 void ssh_krl_set_version(struct ssh_krl *krl, u_int64_t version);
     46 void ssh_krl_set_sign_key(struct ssh_krl *krl, const struct sshkey *sign_key);
     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 struct sshkey *key);
     56 int ssh_krl_revoke_key(struct ssh_krl *krl, const struct sshkey *key);
     57 int ssh_krl_to_blob(struct ssh_krl *krl, struct sshbuf *buf,
     58     const struct sshkey **sign_keys, u_int nsign_keys);
     59 int ssh_krl_from_blob(struct sshbuf *buf, struct ssh_krl **krlp,
     60     const struct sshkey **sign_ca_keys, size_t nsign_ca_keys);
     61 int ssh_krl_check_key(struct ssh_krl *krl, const struct sshkey *key);
     62 int ssh_krl_file_contains_key(const char *path, const struct sshkey *key);
     63 
     64 #endif /* _KRL_H */
     65 
     66