release/src/router/libsodium/test/default/randombytes.c

   1 #include "randombytes.h"
   2
   3 unsigned char x[65536];
   4 unsigned long long freq[256];
   5
   6 int main(void)
   7 {
   8   unsigned long long i;
   9
  10   randombytes(x,sizeof x);
  11   for (i = 0;i < 256;++i) freq[i] = 0;
  12   for (i = 0;i < sizeof x;++i) ++freq[255 & (int) x[i]];
  13   for (i = 0;i < 256;++i) if (!freq[i]) return 111;
  14
  15   return 0;
  16 }