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317a38ab65
Some notable changes, from upstream's release notes: - sshd(8): Remove support for obsolete "host/port" syntax. - ssh(1): When prompting whether to record a new host key, accept the key fingerprint as a synonym for "yes". - ssh-keygen(1): when acting as a CA and signing certificates with an RSA key, default to using the rsa-sha2-512 signature algorithm. - ssh(1), sshd(8), ssh-keygen(1): this release removes the "ssh-rsa" (RSA/SHA1) algorithm from those accepted for certificate signatures. - ssh-sk-helper(8): this is a new binary. It is used by the FIDO/U2F support to provide address-space isolation for token middleware libraries (including the internal one). - ssh(1): this release enables UpdateHostkeys by default subject to some conservative preconditions. - scp(1): this release changes the behaviour of remote to remote copies (e.g. "scp host-a:/path host-b:") to transfer through the local host by default. - scp(1): experimental support for transfers using the SFTP protocol as a replacement for the venerable SCP/RCP protocol that it has traditionally used. Additional integration work is needed to support FIDO/U2F in the base system. Deprecation Notice ------------------ OpenSSH will disable the ssh-rsa signature scheme by default in the next release. Reviewed by: imp MFC after: 1 month Relnotes: Yes Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D29985 (cherry picked from commit19261079b7) (cherry picked from commitf448c3ed4a) (cherry picked from commit1f290c707a) (cherry picked from commit0f9bafdfc3) (cherry picked from commitadb56e58e8) (cherry picked from commit576b58108c) (cherry picked from commit1c99af1ebe) (cherry picked from commit87152f3405) (cherry picked from commit172fa4aa75)
78 lines
3.2 KiB
C
78 lines
3.2 KiB
C
/* $OpenBSD: cipher.h,v 1.55 2020/01/23 10:24:29 dtucker Exp $ */
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/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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* All rights reserved
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*
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* As far as I am concerned, the code I have written for this software
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* can be used freely for any purpose. Any derived versions of this
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* software must be clearly marked as such, and if the derived work is
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* incompatible with the protocol description in the RFC file, it must be
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* called by a name other than "ssh" or "Secure Shell".
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*
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* Copyright (c) 2000 Markus Friedl. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef CIPHER_H
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#define CIPHER_H
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#include <sys/types.h>
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#ifdef WITH_OPENSSL
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#include <openssl/evp.h>
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#endif
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#include "cipher-chachapoly.h"
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#include "cipher-aesctr.h"
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#define CIPHER_ENCRYPT 1
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#define CIPHER_DECRYPT 0
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struct sshcipher;
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struct sshcipher_ctx;
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const struct sshcipher *cipher_by_name(const char *);
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const char *cipher_warning_message(const struct sshcipher_ctx *);
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int ciphers_valid(const char *);
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char *cipher_alg_list(char, int);
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const char *compression_alg_list(int);
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int cipher_init(struct sshcipher_ctx **, const struct sshcipher *,
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const u_char *, u_int, const u_char *, u_int, int);
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int cipher_crypt(struct sshcipher_ctx *, u_int, u_char *, const u_char *,
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u_int, u_int, u_int);
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int cipher_get_length(struct sshcipher_ctx *, u_int *, u_int,
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const u_char *, u_int);
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void cipher_free(struct sshcipher_ctx *);
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u_int cipher_blocksize(const struct sshcipher *);
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u_int cipher_keylen(const struct sshcipher *);
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u_int cipher_seclen(const struct sshcipher *);
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u_int cipher_authlen(const struct sshcipher *);
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u_int cipher_ivlen(const struct sshcipher *);
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u_int cipher_is_cbc(const struct sshcipher *);
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u_int cipher_ctx_is_plaintext(struct sshcipher_ctx *);
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int cipher_get_keyiv(struct sshcipher_ctx *, u_char *, size_t);
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int cipher_set_keyiv(struct sshcipher_ctx *, const u_char *, size_t);
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int cipher_get_keyiv_len(const struct sshcipher_ctx *);
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#endif /* CIPHER_H */
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