int main(int argc, char **argv) {
        unsigned char buf[BUFLEN+1] = {0};
        int i;
        int mode = 0;
        int numSamples = 10000000;
        int numZeros = 0;

        RAND_init_fips();
        // printf("%d\n", FIPS_mode());
        // printf("Set: %d\n", FIPS_mode_set(1));
        mode = FIPS_mode_set(1);
        printf("Mode: %d\n", mode);
        for (i=0; i<numSamples; i++) {
                buf[0] = buf[BUFLEN] = 0;
                RAND_bytes(buf, BUFLEN);
                if (containsZero(buf, BUFLEN)) {
                        // printf("%d: ", i);
                        // dumpBuffer(buf, BUFLEN);
                        numZeros++;
                }
        }
        printf("%d %d\n", numSamples, numZeros);
        return 0;
}

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