NAME

Crypt::Random::Source::Weak::openssl - Get random bytes from the OpenSSL command line utility

VERSION

version 0.03

SYNOPSIS

        use Crypt::Random::Source::Strong::openssl;

        my $source = Crypt::Random::Source::Weak::openssl->new

        my $bytes = $source->get(1024); # get 1kb of random bytes

DESCRIPTION

This is a weak random byte source because openssl rand is a PRNG.

This is a subclass of Crypt::Random::Source::Base::Proc.

Due to the retarded nature of the rand command line utility's interface, it must repeatedly be invoked with default_chunk_size as number of random bytes to generate.

ATTRIBUTES

default_chunk_size

The default number of bytes to generate per openssl rand invocation.

Defaults to 64 kb, which is pretty large and balances well with the startup time of openssl rand for miniscule chunks.

If you will be needing a lot of random data, increasing this number to something much larger would probably be beneficial.

openssl

The openssl executable to invoke. Defaults to what File::Which found for openssl (which means it must be in your PATH).

SEE ALSO

Crypt::Random::Source

openssl(1), rand(1)

SUPPORT

Bugs may be submitted through the RT bug tracker (or bug-Crypt-Random-Source-Weak-openssl@rt.cpan.org).

AUTHOR

יובל קוג'מן (Yuval Kogman) <nothingmuch@woobling.org>

CONTRIBUTOR

Karen Etheridge <ether@cpan.org>

COPYRIGHT AND LICENCE

This software is copyright (c) 2008 by Yuval Kogman.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.