Am Donnerstag, 20. März 2014, 09:12:55 schrieb Clemens Ladisch:
Hi Clemens,
> Stephan Mueller wrote:
> > This is a clean-room implementation of the DRBG defined in SP800-90A.
>
> Why? I guess it's for certification?
As per SP800-131A, the ANSI X9.31 DRNG is sunset by the end of 2014 and not
a
Stephan Mueller wrote:
> This is a clean-room implementation of the DRBG defined in SP800-90A.
Why? I guess it's for certification?
> +static bool drbg_fips_continuous_test(struct drbg_state *drbg,
> + unsigned char *buf)
> ...
> + ret = memcmp(drbg->prev, bu
Am Montag, 17. März 2014, 08:34:06 schrieb Stephan Mueller:
> +static int drbg_seed(struct drbg_state *drbg, struct drbg_string *pers,
> + bool reseed)
> +{
> + int ret = 0;
> + unsigned char *entropy = NULL;
> + size_t entropylen = 0;
> + struct drbg_string data1;
This is a clean-room implementation of the DRBG defined in SP800-90A.
All three viable DRBGs defined in the standard are implemented:
* HMAC: This is the leanest DRBG and compiled per default
* Hash: The more complex DRBG can be enabled at compile time
* CTR: The most complex DRBG can also be e
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