[ipxe-devel] EFI entropy commit

Jarrod Johnson jarrod.b.johnson at gmail.com
Fri Nov 1 17:49:00 UTC 2013


So my console logging catches 2984 samples and the system then reboots
abruptly.  I can send a file with 2984 samples explicitly enumerated, but
not sure if there was more to it that I was missing.  It suddenly reboots
the system without further output after 2984 samples (wel, I guess 0-2984).


On Fri, Nov 1, 2013 at 12:49 PM, Michael Brown <mcb30 at ipxe.org> wrote:

> On 31/10/13 22:28, Jarrod Johnson wrote:
>
>> Seeking comments on:
>> https://git.ipxe.org/vendor/**xcat/ipxe.git/commitdiff/**
>> 89e0b3c8bab8685c7b81dbffdcca05**360de8547f<https://git.ipxe.org/vendor/xcat/ipxe.git/commitdiff/89e0b3c8bab8685c7b81dbffdcca05360de8547f>
>>
>> It seems to pass the checks that DRBG throws at it for now.
>>
>
> Looks sensible to me.  The only part concerning me is:
>
>   /* TODO: actually meansure min entropy per sample */
>   return 1.3;
>
> Could you try running the entropy_sample self-tests (e.g. "make
> bin-x86_64-efi/entropy_sample.**efi") on a variety of platforms, and send
> me the captured output?
>
> Thanks,
>
> Michael
>
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