scrypt-1.2.1/libcperciva/util/insecure_memzero.c

   1 #include <stddef.h>
   2 #include <stdint.h>
   3
   4 #include "insecure_memzero.h"
   5
   6 /* Function which does the zeroing. */
   7 static void
   8 insecure_memzero_func(volatile void * buf, size_t len)
   9 {
  10         volatile uint8_t * _buf = buf;
  11         size_t i;
  12
  13         for (i = 0; i < len; i++)
  14                 _buf[i] = 0;
  15 }
  16
  17 /* Pointer to memory-zeroing function. */
  18 void (* volatile insecure_memzero_ptr)(volatile void *, size_t) =
  19     insecure_memzero_func;