diff options
Diffstat (limited to 'Common/Crc.h')
| -rw-r--r-- | Common/Crc.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Common/Crc.h b/Common/Crc.h new file mode 100644 index 0000000..599cbcc --- /dev/null +++ b/Common/Crc.h @@ -0,0 +1,35 @@ +/* + Legal Notice: Some portions of the source code contained in this file were + derived 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) 2003-2008 TrueCrypt Developers Association + and are governed by the TrueCrypt License 3.0 the full text of which is + contained in the file License.txt included in TrueCrypt 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 |