gcrypt.h

/*
===========================================================================
Copyright (C) 2025 the OpenMoHAA team
 
This file is part of OpenMoHAA source code.
 
OpenMoHAA source code 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 2 of the License,
or (at your option) any later version.
 
OpenMoHAA source code 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 OpenMoHAA source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/
 
#pragma once
 
typedef struct {
    int key[256];
    int msg[48];
 
    int offset;
    int xorKey;
    int keyIndex;
    int i;
    int start;
 
    unsigned int   words[16];
    unsigned char *wordPtr;
} GCryptInfo;
 
void init_crypt_key(unsigned char *src, unsigned int len, GCryptInfo *info);
void crypt_docrypt(GCryptInfo *info, unsigned char *out, int len);