contrib/cryptsetup/luks/af.h

   1 #ifndef INCLUDED_CRYPTSETUP_LUKS_AF_H
   2 #define INCLUDED_CRYPTSETUP_LUKS_AF_H
   3
   4 /*
   5  * AFsplitter - Anti forensic information splitter
   6  * Copyright 2004, Clemens Fruhwirth <clemens@endorphin.org>
   7  */
   8
   9 /*
  10  * AF_split operates on src and produces information splitted data in
  11  * dst. src is assumed to be of the length blocksize. The data stripe
  12  * dst points to must be captable of storing blocksize*blocknumbers.
  13  * blocknumbers is the data multiplication factor.
  14  *
  15  * AF_merge does just the opposite: reproduces the information stored in
  16  * src of the length blocksize*blocknumbers into dst of the length
  17  * blocksize.
  18  *
  19  * On error, both functions return -1, 0 otherwise.
  20  */
  21
  22 int AF_split(char *src, char *dst, size_t blocksize, unsigned int blocknumbers, const char *hash);
  23 int AF_merge(char *src, char *dst, size_t blocksize, unsigned int blocknumbers, const char *hash);
  24
  25 #endif