4f52dfbb8d
This completely removes client-side support for the SSH 1 protocol, which was already disabled in 12 but is still enabled in 11. For that reason, we will not be able to merge 7.6p1 or newer back to 11.
76 lines
3.1 KiB
C
76 lines
3.1 KiB
C
/* $OpenBSD: cipher.h,v 1.52 2017/05/07 23:12:57 djm 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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#include <openssl/evp.h>
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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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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 *, u_int);
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int cipher_set_keyiv(struct sshcipher_ctx *, const u_char *);
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int cipher_get_keyiv_len(const struct sshcipher_ctx *);
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#endif /* CIPHER_H */
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