"Fossies" - the Fresh Open Source Software Archive

Member "src/Common/Crc.h" (10 Oct 2018, 1283 Bytes) of package /windows/misc/VeraCrypt_1.23-Hotfix-2_Source.zip:


As a special service "Fossies" has tried to format the requested source page into HTML format using (guessed) C and C++ source code syntax highlighting (style: standard) with prefixed line numbers and code folding option. Alternatively you can here view or download the uninterpreted source code file. For more information about "Crc.h" see the Fossies "Dox" file reference documentation.

    1 /*
    2  Legal Notice: Some portions of the source code contained in this file were
    3  derived from the source code of TrueCrypt 7.1a, which is
    4  Copyright (c) 2003-2012 TrueCrypt Developers Association and which is
    5  governed by the TrueCrypt License 3.0, also from the source code of
    6  Encryption for the Masses 2.02a, which is Copyright (c) 1998-2000 Paul Le Roux
    7  and which is governed by the 'License Agreement for Encryption for the Masses'
    8  Modifications and additions to the original source code (contained in this file)
    9  and all other portions of this file are Copyright (c) 2013-2017 IDRIX
   10  and are governed by the Apache License 2.0 the full text of which is
   11  contained in the file License.txt included in VeraCrypt binary and source
   12  code distribution packages. */
   13 
   14 #ifndef TC_HEADER_CRC
   15 #define TC_HEADER_CRC
   16 
   17 #include "Tcdefs.h"
   18 
   19 #if defined(__cplusplus)
   20 extern "C"
   21 {
   22 #endif
   23 
   24 #define UPDC32(octet, crc)\
   25   (unsigned __int32)((crc_32_tab[(((unsigned __int32)(crc)) ^ ((unsigned char)(octet))) & 0xff] ^ (((unsigned __int32)(crc)) >> 8)))
   26 
   27 unsigned __int32 GetCrc32 (unsigned char *data, int length);
   28 unsigned __int32 crc32int (unsigned __int32 *data);
   29 BOOL crc32_selftests (void);
   30 
   31 extern unsigned __int32 crc_32_tab[];
   32 
   33 #if defined(__cplusplus)
   34 }
   35 #endif
   36 
   37 #endif // TC_HEADER_CRC