Am Mittwoch, 10. August 2016, 02:35:04 CEST schrieb Pan, Miaoqing:
Hi Miaoqing,
> Hi Stephan,
>
> For those less perfect noise source, can't pass the FIPS test.
>
> static int update_kernel_random(int random_step,
> unsigned char *buf, fips_ctx_t *fipsctx_in)
> {
> unsigned char *p;
> int fips;
>
> fips = fips_run_rng_test(fipsctx_in, buf);
> if (fips)
> return 1;
>
> for (p = buf; p + random_step <= &buf[FIPS_RNG_BUFFER_SIZE];
> p += random_step) {
> random_add_entropy(p, random_step);
> random_sleep();
> }
> return 0;
> }
Not even the poor cheap AIS20 statistical tests from rngd pass?
I guess the only sensible solution is what Ted suggested to use
add_device_randomness.
Ciao
Stephan
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