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/*
* Copyright (c) 2012 Damien Miller <djm@mindrot.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $OpenBSD: krl.h,v 1.7 2019/06/21 04:21:04 djm Exp $ */
#ifndef _KRL_H
#define _KRL_H
/* Functions to manage key revocation lists */
#define KRL_MAGIC "SSHKRL\n\0"
#define KRL_FORMAT_VERSION 1
/* KRL section types */
#define KRL_SECTION_CERTIFICATES 1
#define KRL_SECTION_EXPLICIT_KEY 2
#define KRL_SECTION_FINGERPRINT_SHA1 3
#define KRL_SECTION_SIGNATURE 4
#define KRL_SECTION_FINGERPRINT_SHA256 5
/* KRL_SECTION_CERTIFICATES subsection types */
#define KRL_SECTION_CERT_SERIAL_LIST 0x20
#define KRL_SECTION_CERT_SERIAL_RANGE 0x21
#define KRL_SECTION_CERT_SERIAL_BITMAP 0x22
#define KRL_SECTION_CERT_KEY_ID 0x23
struct sshkey;
struct sshbuf;
struct ssh_krl;
struct ssh_krl *ssh_krl_init(void);
void ssh_krl_free(struct ssh_krl *krl);
void ssh_krl_set_version(struct ssh_krl *krl, u_int64_t version);
int ssh_krl_set_comment(struct ssh_krl *krl, const char *comment);
int ssh_krl_revoke_cert_by_serial(struct ssh_krl *krl,
const struct sshkey *ca_key, u_int64_t serial);
int ssh_krl_revoke_cert_by_serial_range(struct ssh_krl *krl,
const struct sshkey *ca_key, u_int64_t lo, u_int64_t hi);
int ssh_krl_revoke_cert_by_key_id(struct ssh_krl *krl,
const struct sshkey *ca_key, const char *key_id);
int ssh_krl_revoke_key_explicit(struct ssh_krl *krl, const struct sshkey *key);
int ssh_krl_revoke_key_sha1(struct ssh_krl *krl, const u_char *p, size_t len);
int ssh_krl_revoke_key_sha256(struct ssh_krl *krl, const u_char *p, size_t len);
int ssh_krl_revoke_key(struct ssh_krl *krl, const struct sshkey *key);
int ssh_krl_to_blob(struct ssh_krl *krl, struct sshbuf *buf,
struct sshkey **sign_keys, u_int nsign_keys);
int ssh_krl_from_blob(struct sshbuf *buf, struct ssh_krl **krlp,
const struct sshkey **sign_ca_keys, size_t nsign_ca_keys);
int ssh_krl_check_key(struct ssh_krl *krl, const struct sshkey *key);
int ssh_krl_file_contains_key(const char *path, const struct sshkey *key);
#endif /* _KRL_H */
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