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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
102 lines
2.8 KiB
C
102 lines
2.8 KiB
C
/* $OpenBSD: sk-api.h,v 1.14 2021/11/02 22:56:40 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 _SK_API_H
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#define _SK_API_H 1
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#include <stddef.h>
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif
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/* Flags */
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#define SSH_SK_USER_PRESENCE_REQD 0x01
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#define SSH_SK_USER_VERIFICATION_REQD 0x04
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#define SSH_SK_RESIDENT_KEY 0x20
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/* Algs */
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#define SSH_SK_ECDSA 0x00
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#define SSH_SK_ED25519 0x01
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/* Error codes */
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#define SSH_SK_ERR_GENERAL -1
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#define SSH_SK_ERR_UNSUPPORTED -2
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#define SSH_SK_ERR_PIN_REQUIRED -3
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#define SSH_SK_ERR_DEVICE_NOT_FOUND -4
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struct sk_enroll_response {
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uint8_t flags;
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uint8_t *public_key;
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size_t public_key_len;
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uint8_t *key_handle;
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size_t key_handle_len;
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uint8_t *signature;
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size_t signature_len;
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uint8_t *attestation_cert;
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size_t attestation_cert_len;
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uint8_t *authdata;
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size_t authdata_len;
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};
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struct sk_sign_response {
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uint8_t flags;
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uint32_t counter;
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uint8_t *sig_r;
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size_t sig_r_len;
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uint8_t *sig_s;
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size_t sig_s_len;
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};
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struct sk_resident_key {
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uint32_t alg;
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size_t slot;
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char *application;
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struct sk_enroll_response key;
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uint8_t flags;
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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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struct sk_option {
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char *name;
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char *value;
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uint8_t required;
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};
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#define SSH_SK_VERSION_MAJOR 0x00090000 /* current API version */
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#define SSH_SK_VERSION_MAJOR_MASK 0xffff0000
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/* Return the version of the middleware API */
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uint32_t sk_api_version(void);
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/* Enroll a U2F key (private key generation) */
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int sk_enroll(uint32_t alg, const uint8_t *challenge, size_t challenge_len,
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const char *application, uint8_t flags, const char *pin,
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struct sk_option **options, struct sk_enroll_response **enroll_response);
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/* Sign a challenge */
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int sk_sign(uint32_t alg, const uint8_t *data, size_t data_len,
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const char *application, const uint8_t *key_handle, size_t key_handle_len,
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uint8_t flags, const char *pin, struct sk_option **options,
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struct sk_sign_response **sign_response);
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/* Enumerate all resident keys */
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int sk_load_resident_keys(const char *pin, struct sk_option **options,
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struct sk_resident_key ***rks, size_t *nrks);
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#endif /* _SK_API_H */
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