Re: [PATCH] crypto: JENT - set default OSR to 3

[Herbert Xu <herbert@gondor.apana.org.au>]

On Mon, Aug 12, 2024 at 08:25:42AM +0200, Stephan Mueller wrote:
> The user space Jitter RNG library uses the oversampling rate of 3 which
> implies that each time stamp is credited with 1/3 bit of entropy. To
> obtain 256 bits of entropy, 768 time stamps need to be sampled. The
> increase in OSR is applied based on a report where the Jitter RNG is
> used on a system exhibiting a challenging environment to collect
> entropy.
> 
> This OSR default value is now applied to the Linux kernel version of
> the Jitter RNG as well.
> 
> The increase in the OSR from 1 to 3 also implies that the Jitter RNG is
> now slower by default.
> 
> Reported-by: Jeff Barnes <jeffbarnes@microsoft.com>
> Signed-off-by: Stephan Mueller <smueller@chronox.com>
> ---
>  crypto/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
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