NAME

Crypt::SysRandom::XS - Perl interface to system randomness, XS version

VERSION

version 0.009

SYNOPSIS

use Crypt::SysRandom::XS 'random_bytes';
my $random = random_bytes(16);

DESCRIPTION

This module uses whatever C interface is available to procure cryptographically random data from the system.

FUNCTIONS

random_bytes($count)

This will fetch a string of $count random bytes containing cryptographically secure random data.

BACKENDS

At build-time, it will try the following backends in order:

• getrandom

  This backend is available on Linux, FreeBSD and Solaris

• arc4random

  This interface is supported on most BSDs and Mac.

• BCryptGenRandom

  This backend is available on Windows (Vista and newer)

• rdrand64

  This is available on x86_64 architectures using most compilers.

• rdrand32

  This is available on x86_64 and x86 architectures using most compilers.

AUTHOR

Leon Timmermans <fawaka@gmail.com>

COPYRIGHT AND LICENSE

This software is copyright (c) 2025 by Leon Timmermans.

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