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1323ec5712
Release notes are available at https://www.openssh.com/txt/release-8.9 Some highlights: * ssh(1), sshd(8), ssh-add(1), ssh-agent(1): add a system for restricting forwarding and use of keys added to ssh-agent(1) * ssh(1), sshd(8): add the sntrup761x25519-sha512@openssh.com hybrid ECDH/x25519 + Streamlined NTRU Prime post-quantum KEX to the default KEXAlgorithms list (after the ECDH methods but before the prime-group DH ones). The next release of OpenSSH is likely to make this key exchange the default method. * sshd(8), portable OpenSSH only: this release removes in-built support for MD5-hashed passwords. If you require these on your system then we recommend linking against libxcrypt or similar. Future deprecation notice ========================= A near-future release of OpenSSH will switch scp(1) from using the legacy scp/rcp protocol to using SFTP by default. Legacy scp/rcp performs wildcard expansion of remote filenames (e.g. "scp host:* .") through the remote shell. This has the side effect of requiring double quoting of shell meta-characters in file names included on scp(1) command-lines, otherwise they could be interpreted as shell commands on the remote side. MFC after: 1 month Relnotes: Yes Sponsored by: The FreeBSD Foundation
80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
/* $OpenBSD: ssh-sk.h,v 1.11 2021/10/28 02:54:18 djm Exp $ */
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/*
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* Copyright (c) 2019 Google LLC
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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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#ifndef _SSH_SK_H
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#define _SSH_SK_H 1
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struct sshbuf;
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struct sshkey;
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struct sk_option;
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/* Version of protocol expected from ssh-sk-helper */
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#define SSH_SK_HELPER_VERSION 5
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/* ssh-sk-helper messages */
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#define SSH_SK_HELPER_ERROR 0 /* Only valid H->C */
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#define SSH_SK_HELPER_SIGN 1
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#define SSH_SK_HELPER_ENROLL 2
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#define SSH_SK_HELPER_LOAD_RESIDENT 3
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struct sshsk_resident_key {
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struct sshkey *key;
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uint8_t *user_id;
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size_t user_id_len;
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};
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/*
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* Enroll (generate) a new security-key hosted private key of given type
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* via the specified provider middleware.
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* If challenge_buf is NULL then a random 256 bit challenge will be used.
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*
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* Returns 0 on success or a ssherr.h error code on failure.
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*
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* If successful and the attest_data buffer is not NULL then attestation
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* information is placed there.
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*/
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int sshsk_enroll(int type, const char *provider_path, const char *device,
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const char *application, const char *userid, uint8_t flags,
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const char *pin, struct sshbuf *challenge_buf,
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struct sshkey **keyp, struct sshbuf *attest);
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/*
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* Calculate an ECDSA_SK or ED25519_SK signature using the specified key
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* and provider middleware.
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*
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* Returns 0 on success or a ssherr.h error code on failure.
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*/
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int sshsk_sign(const char *provider_path, struct sshkey *key,
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u_char **sigp, size_t *lenp, const u_char *data, size_t datalen,
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u_int compat, const char *pin);
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/*
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* Enumerates and loads all SSH-compatible resident keys from a security
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* key.
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*
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* Returns 0 on success or a ssherr.h error code on failure.
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*/
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int sshsk_load_resident(const char *provider_path, const char *device,
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const char *pin, u_int flags, struct sshsk_resident_key ***srksp,
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size_t *nsrksp);
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/* Free an array of sshsk_resident_key (as returned from sshsk_load_resident) */
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void sshsk_free_resident_keys(struct sshsk_resident_key **srks, size_t nsrks);
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#endif /* _SSH_SK_H */
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