lib/memwipe.c

   1 /*
   2  * Written in 2011 by Gregor Pintar <grpintar@gmail.com>
   3  *
   4  * To the extent possible under law, the author(s) have dedicated
   5  * all copyright and related and neighboring rights to this software
   6  * to the public domain worldwide.
   7  *
   8  * This software is distributed without any warranty.
   9  *
  10  * You should have received a copy of the CC0 Public Domain Dedication.
  11  * If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
  12  */
  13
  14 #include <stddef.h>
  15 #include <stdint.h>
  16
  17 #include <kripto/memwipe.h>
  18
  19 void kripto_memwipe(void *dst, size_t len)
  20 {
  21         volatile uint8_t *x = dst;
  22
  23         while(len--) *x++ = '\0';
  24 }