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Math-Prime-Util-0.70
River stage two • 12 direct dependents • 19 total dependents
22 ++
/ Math::Prime::Util::Entropy

NAME

Math::Prime::Util::Entropy - Get a good random seed

VERSION

Version 0.70

SYNOPSIS

DESCRIPTION

Provides a single method to get a good seed if possible. This is a streamlined version of Crypt::Random::Seed, with ideas from Bytes::Random::Secure::Tiny.

entropy_bytes

Takes a number of bytes n and returns either undef (no good seed available) or a binary string with good entropy.

We try in order:

   - the Win32 Crypto API
   - /dev/urandom
   - /dev/random
   - L<Crypt::Random::Seed>
   - L<Crypt::PRNG>

SEE ALSO

Math::Prime::Util Crypt::Random::Seed Bytes::Random::Secure Bytes::Random::Secure::Tiny Crypt::PRNG

AUTHORS

Dana Jacobsen <dana@acm.org>

COPYRIGHT

Copyright 2017 by Dana Jacobsen <dana@acm.org>

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.