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f3747bf401
[auth.c key.c key.h ssh-keygen.1 ssh-keygen.c sshd_config.5]
[krl.c krl.h PROTOCOL.krl]
add support for Key Revocation Lists (KRLs). These are a compact way to
represent lists of revoked keys and certificates, taking as little as
a single bit of incremental cost to revoke a certificate by serial number.
KRLs are loaded via the existing RevokedKeys sshd_config option.
feedback and ok markus@
64 lines
2.5 KiB
C
64 lines
2.5 KiB
C
/*
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* Copyright (c) 2012 Damien Miller <djm@mindrot.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $OpenBSD: krl.h,v 1.2 2013/01/18 00:24:58 djm Exp $ */
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#ifndef _KRL_H
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#define _KRL_H
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/* Functions to manage key revocation lists */
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#define KRL_MAGIC "SSHKRL\n\0"
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#define KRL_FORMAT_VERSION 1
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/* KRL section types */
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#define KRL_SECTION_CERTIFICATES 1
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#define KRL_SECTION_EXPLICIT_KEY 2
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#define KRL_SECTION_FINGERPRINT_SHA1 3
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#define KRL_SECTION_SIGNATURE 4
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/* KRL_SECTION_CERTIFICATES subsection types */
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#define KRL_SECTION_CERT_SERIAL_LIST 0x20
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#define KRL_SECTION_CERT_SERIAL_RANGE 0x21
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#define KRL_SECTION_CERT_SERIAL_BITMAP 0x22
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#define KRL_SECTION_CERT_KEY_ID 0x23
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struct ssh_krl;
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struct ssh_krl *ssh_krl_init(void);
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void ssh_krl_free(struct ssh_krl *krl);
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void ssh_krl_set_version(struct ssh_krl *krl, u_int64_t version);
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void ssh_krl_set_sign_key(struct ssh_krl *krl, const Key *sign_key);
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void ssh_krl_set_comment(struct ssh_krl *krl, const char *comment);
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int ssh_krl_revoke_cert_by_serial(struct ssh_krl *krl, const Key *ca_key,
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u_int64_t serial);
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int ssh_krl_revoke_cert_by_serial_range(struct ssh_krl *krl, const Key *ca_key,
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u_int64_t lo, u_int64_t hi);
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int ssh_krl_revoke_cert_by_key_id(struct ssh_krl *krl, const Key *ca_key,
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const char *key_id);
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int ssh_krl_revoke_key_explicit(struct ssh_krl *krl, const Key *key);
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int ssh_krl_revoke_key_sha1(struct ssh_krl *krl, const Key *key);
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int ssh_krl_revoke_key(struct ssh_krl *krl, const Key *key);
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int ssh_krl_to_blob(struct ssh_krl *krl, Buffer *buf, const Key **sign_keys,
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u_int nsign_keys);
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int ssh_krl_from_blob(Buffer *buf, struct ssh_krl **krlp,
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const Key **sign_ca_keys, u_int nsign_ca_keys);
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int ssh_krl_check_key(struct ssh_krl *krl, const Key *key);
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int ssh_krl_file_contains_key(const char *path, const Key *key);
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#endif /* _KRL_H */
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