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92d3efec81
We should call it where we have access to the crypto structure. Pair-Programmed-With: Jakub Jelen <jjelen@redhat.com> Signed-off-by: Jakub Jelen <jjelen@redhat.com> Signed-off-by: Andreas Schneider <asn@cryptomilk.org> Reviewed-by: Jakub Jelen <jjelen@redhat.com>
76 lines
2.8 KiB
C
76 lines
2.8 KiB
C
/*
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* This file is part of the SSH Library
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*
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* Copyright (c) 2009 by Aris Adamantiadis
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef DH_H_
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#define DH_H_
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#include "config.h"
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#include "libssh/crypto.h"
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struct dh_ctx;
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#define DH_CLIENT_KEYPAIR 0
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#define DH_SERVER_KEYPAIR 1
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/* functions implemented by crypto backends */
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int ssh_dh_init_common(struct ssh_crypto_struct *crypto);
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void ssh_dh_cleanup(struct ssh_crypto_struct *crypto);
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int ssh_dh_get_parameters(struct dh_ctx *ctx,
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const_bignum *modulus, const_bignum *generator);
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int ssh_dh_set_parameters(struct dh_ctx *ctx,
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const bignum modulus, const bignum generator);
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int ssh_dh_keypair_gen_keys(struct dh_ctx *ctx, int peer);
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int ssh_dh_keypair_get_keys(struct dh_ctx *ctx, int peer,
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const_bignum *priv, const_bignum *pub);
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int ssh_dh_keypair_set_keys(struct dh_ctx *ctx, int peer,
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const bignum priv, const bignum pub);
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int ssh_dh_compute_shared_secret(struct dh_ctx *ctx, int local, int remote,
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bignum *dest);
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void ssh_dh_debug_crypto(struct ssh_crypto_struct *c);
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/* common functions */
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int ssh_dh_init(void);
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void ssh_dh_finalize(void);
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int ssh_dh_import_next_pubkey_blob(ssh_session session,
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ssh_string pubkey_blob);
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ssh_key ssh_dh_get_current_server_publickey(ssh_session session);
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int ssh_dh_get_current_server_publickey_blob(ssh_session session,
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ssh_string *pubkey_blob);
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ssh_key ssh_dh_get_next_server_publickey(ssh_session session);
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int ssh_dh_get_next_server_publickey_blob(ssh_session session,
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ssh_string *pubkey_blob);
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int ssh_client_dh_init(ssh_session session);
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#ifdef WITH_SERVER
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void ssh_server_dh_init(ssh_session session);
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#endif /* WITH_SERVER */
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int ssh_server_dh_process_init(ssh_session session, ssh_buffer packet);
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int ssh_fallback_group(uint32_t pmax, bignum *p, bignum *g);
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bool ssh_dh_is_known_group(bignum modulus, bignum generator);
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#endif /* DH_H_ */
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