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53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/* dek.h - The data encryption key structure.
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* Copyright (C) 2014, 2017 Werner Koch
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*
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* This file is part of GnuPG.
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*
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* GnuPG 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; either version 3 of the License, or
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* (at your option) any later version.
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*
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* GnuPG 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef G10_DEK_H
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#define G10_DEK_H
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typedef struct
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{
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/* The algorithm (e.g., CIPHER_ALGO_AES). */
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int algo;
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/* The length of the key (in bytes). */
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int keylen;
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/* Whether we've already printed information about this key. This
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* is currently only used in decrypt_data() and only if we are in
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* verbose mode. */
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unsigned int algo_info_printed : 1;
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/* AEAD shall be used. The value is the AEAD algo. */
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int use_aead : 4;
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/* MDC shall be used. */
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unsigned int use_mdc : 1;
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/* This key was read from a SK-ESK packet (see proc_symkey_enc). */
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unsigned int symmetric : 1;
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/* This is the largest used keylen (256 bit). */
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byte key[32];
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/* The cacheid for the S2K. */
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char s2k_cacheid[1+32+1];
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} DEK;
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#endif /*G10_DEK_H*/
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