/*
 Legal Notice: Some portions of the source code contained in this file were
 derived from the source code of TrueCrypt 7.1a, which is
 Copyright (c) 2003-2012 TrueCrypt Developers Association and which is
 governed by the TrueCrypt License 3.0, also from the source code of
 Encryption for the Masses 2.02a, which is Copyright (c) 1998-2000 Paul Le Roux
 and which is governed by the 'License Agreement for Encryption for the Masses'
 Modifications and additions to the original source code (contained in this file)
 and all other portions of this file are Copyright (c) 2013-2025 IDRIX
 and are governed by the Apache License 2.0 the full text of which is
 contained in the file License.txt included in VeraCrypt binary and source
 code distribution packages. */

#ifndef TC_HEADER_CRC
#define TC_HEADER_CRC

#include "Tcdefs.h"

#if defined(__cplusplus)
extern "C"
{
#endif

#define UPDC32(octet, crc)\
  (unsigned __int32)((crc_32_tab[(((unsigned __int32)(crc)) ^ ((unsigned char)(octet))) & 0xff] ^ (((unsigned __int32)(crc)) >> 8)))

unsigned __int32 GetCrc32 (unsigned char *data, int length);
unsigned __int32 crc32int (unsigned __int32 *data);
BOOL crc32_selftests (void);

extern unsigned __int32 crc_32_tab[];

#if defined(__cplusplus)
}
#endif

#endif // TC_HEADER_CRC
