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 #include "memxor.h"
  11
  12 uint8_t *memxor(uint8_t *dst, const uint8_t *src, size_t n)
  13 {
  14   size_t i;
  15   for (i = 0; i<n; i++)
  16     dst[i] ^= src[i];
  17
  18   return dst;
  19 }