On Mon 2015-05-18 18:25:25, Stephan Mueller wrote: > Make the threshold at which the output entropy pools are considered to > be initialized configurable via a kernel command line option. The > current integer value of 128 bits is a good default value. However, some > user groups may want to use different values. For example, the SOGIS > group now requires 125 bits at least (BSI, the participant at that group > used to require 100 bits). NIST moved from 80 bits to 112 bits starting > with 2014. > > It is therefore to be expected that in the future, this threshold may > increase for different user groups. Speaking of random and kernel parameters... should we add random=<hex digits> parameter to pass entropy from bootloader to the kernel? u-boot-SPL does DRAM calibration, for example, and I guess that may provide some rather hard to guess values... [I initialy misread parameter below as "random_initize=" and thought it does exactly this...] Pavel > + random_initialized= [KNL] Set the threshold in bits at which the > + Linux random number generator considers an output > + entropy pool initialized. > + Format: <int> (must be >= 112 and <= size of output > + entropy pool in bits) > + Default: 128 > + -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html