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gnupg/g10/dek.h
NIIBE Yutaka 44be675b75 gpg: More check for symmetric key encryption.
* g10/dek.h (DEK): Use debugger friendly type of unsigned int.
* g10/mainproc.c (symkey_decrypt_seskey): Add another check.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2019-07-18 11:02:34 +09:00

53 lines
1.5 KiB
C

/* dek.h - The data encryption key structure.
* Copyright (C) 2014, 2017 Werner Koch
*
* This file is part of GnuPG.
*
* GnuPG is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* GnuPG is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses/>.
*/
#ifndef G10_DEK_H
#define G10_DEK_H
typedef struct
{
/* The algorithm (e.g., CIPHER_ALGO_AES). */
int algo;
/* The length of the key (in bytes). */
int keylen;
/* Whether we've already printed information about this key. This
* is currently only used in decrypt_data() and only if we are in
* verbose mode. */
unsigned int algo_info_printed : 1;
/* AEAD shall be used. The value is the AEAD algo. */
int use_aead : 4;
/* MDC shall be used. */
unsigned int use_mdc : 1;
/* This key was read from a SK-ESK packet (see proc_symkey_enc). */
unsigned int symmetric : 1;
/* This is the largest used keylen (256 bit). */
byte key[32];
/* The cacheid for the S2K. */
char s2k_cacheid[1+16+1];
} DEK;
#endif /*G10_DEK_H*/