#include "randombytes.h" unsigned char x[65536]; unsigned long long freq[256]; static int nacl_tests(void) { unsigned long long i; randombytes(x, sizeof x); for (i = 0; i < 256; ++i) { freq[i] = 0; } for (i = 0; i < sizeof x; ++i) { ++freq[255 & (int)x[i]]; } for (i = 0; i < 256; ++i) { if (!freq[i]) { return 111; } } } int main(void) { nacl_tests(); return 0; }