Re: [PATCH v3] random: prime last_data value per fips requirements

2012-11-08 Thread Theodore Ts'o
On Tue, Nov 06, 2012 at 10:42:42AM -0500, Jarod Wilson wrote: > The value stored in last_data must be primed for FIPS 140-2 purposes. Upon > first use, either on system startup or after an RNDCLEARPOOL ioctl, we > need to take an initial random sample, store it internally in last_data, > then pass

Re: [PATCH v3] random: prime last_data value per fips requirements

2012-11-06 Thread Neil Horman
On Tue, Nov 06, 2012 at 10:42:42AM -0500, Jarod Wilson wrote: > The value stored in last_data must be primed for FIPS 140-2 purposes. Upon > first use, either on system startup or after an RNDCLEARPOOL ioctl, we > need to take an initial random sample, store it internally in last_data, > then pass

[PATCH v3] random: prime last_data value per fips requirements

2012-11-06 Thread Jarod Wilson
The value stored in last_data must be primed for FIPS 140-2 purposes. Upon first use, either on system startup or after an RNDCLEARPOOL ioctl, we need to take an initial random sample, store it internally in last_data, then pass along the value after that to the requester, so that consistency check