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Michael Brown 2c197517f2 [libc] Always use a non-zero seed for the (non-crypto) RNG
The non-cryptographic RNG implemented by random() has the property
that a seed value of zero will result in a generated sequence of
all-zero values.  This situation can arise if currticks() returns zero
at start of day.

Work around this problem by falling back to a fixed non-zero seed if
necessary.

This has no effect on the separate DRBG used by cryptographic code.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
2016-06-09 08:44:32 +01:00
contrib [errdb] Strip platform error code for non-platform-generated errors 2013-04-29 15:36:32 +01:00
src [libc] Always use a non-zero seed for the (non-crypto) RNG 2016-06-09 08:44:32 +01:00
COPYING [legal] Update GPLv2 licence text 2015-02-26 17:59:53 +00:00
COPYING.GPLv2 [legal] Update GPLv2 licence text 2015-02-26 17:59:53 +00:00
COPYING.UBDL [legal] Add support for the Unmodified Binary Distribution Licence 2015-03-02 12:07:14 +00:00
README [doc] Re-add README file 2010-05-28 00:03:47 +01:00

README

iPXE README File

Quick start guide:

   cd src
   make

For any more detailed instructions, see http://ipxe.org