2016-09-22 20:47:43 +02:00
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/*
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luksrku - Tool to remotely unlock LUKS disks using TLS.
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Copyright (C) 2016-2016 Johannes Bauer
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This file is part of luksrku.
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luksrku is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; this program is ONLY licensed under
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version 3 of the License, later versions are explicitly excluded.
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luksrku 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with luksrku; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Johannes Bauer <JohannesBauer@gmx.de>
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*/
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2016-09-22 20:40:58 +02:00
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#ifndef __GLOBAL_H__
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#define __GLOBAL_H__
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/* Magic is the prefix of announcement packages. It is the MD5SUM over the
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* CLIENT_PSK_IDENTITY. This only changes when the protocol that is spoken
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* changes. */
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#define CLIENT_PSK_IDENTITY "luksrku v1"
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#define CLIENT_ANNOUNCE_MAGIC { 0x46, 0xf2, 0xf6, 0xc6, 0x63, 0x12, 0x2e, 0x00, 0xa0, 0x8a, 0xae, 0x42, 0x0c, 0x51, 0xf5, 0x65 }
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#define LUKSRKU_VERSION "0.01"
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/* Size in bytes of the PSK that is used for TLS */
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#define PSK_SIZE_BYTES 32
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/* How many disks every entry may contain */
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#define MAX_DISKS_PER_HOST 8
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/* How long a passphrase can be maximally */
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#define MAX_PASSPHRASE_LENGTH 64
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/* How long in characters a cryptsetup device name mapping may be */
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#define MAX_DEVMAPPER_NAME_LENGTH 63
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/* In what interval the server should broadcast that it's waiting for unlocking */
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#define WAITING_MESSAGE_BROADCAST_INTERVAL_MILLISECONDS 1000
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#define BLACKLIST_ENTRY_COUNT 16
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#define BLACKLIST_ENTRY_TIMEOUT_SECS 120
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/* Scrypt parameters for config file encryption */
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#define SCRYPT_N (1 << 17)
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#define SCRYPT_r 8
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#define SCRYPT_p 1
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#define staticassert(cond) _Static_assert((cond), #cond)
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#endif
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