Query: crypt::makerand
OS: centos
Section: 3
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
Makerand(3) User Contributed Perl Documentation Makerand(3)NAMECrypt::Makerand - Perl extension for the truerand librarySYNOPSISuse Crypt::Makerand; $rand = Crypt::Makerand::trand32();DESCRIPTIONUses the truerand library to generate a random 32 bit number. The basic idea here is that between clock "skew" and various hard-to-predict OS event arrivals, counting a tight loop will yield a little (maybe a third of a bit or so) of "good" randomness per interval clock tick. This seems to work well even on unloaded machines. If there is a human operator at the machine, you should augment truerand with other measure, like keyboard event timing. On server machines (e.g., when you need to generate a Diffie-Hellman secret) truerand alone may be good enough. Exportable functions unsigned long trand32(void)AUTHORThe truerand library was developed by Matt Blaze, Jim Reeds, and Jack Lacy. Copyright (c) 1992, 1994 AT&T. This Perl extension was created by Mark Cox, mjc@redhat.com, March 2001.SEE ALSOperl(1). perl v5.16.3 2014-06-09 Makerand(3)
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