crypto/memxor.c

   1 /* memxor.c
   2  *
   3  * $Id$
   4  */
   5
   6 /* XOR LEN bytes starting at SRCADDR onto DESTADDR.  Result undefined
   7    if the source overlaps with the destination.
   8    Return DESTADDR. */
   9
  10 #if HAVE_CONFIG_H
  11 # include "config.h"
  12 #endif
  13
  14 #include "memxor.h"
  15
  16 uint8_t *memxor(uint8_t *dst, const uint8_t *src, size_t n)
  17 {
  18   size_t i;
  19   for (i = 0; i<n; i++)
  20     dst[i] ^= src[i];
  21
  22   return dst;
  23 }