Crypt-SysRandom-XS-0.009000755001750001750 014776243550 14532 5ustar00leontleont000000000000README100644001750001750 60614776243550 15455 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009This archive contains the distribution Crypt-SysRandom-XS, version 0.009: Perl interface to system randomness, XS version 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. This README file was generated by Dist::Zilla::Plugin::Readme v6.032. Changes100644001750001750 203614776243550 16107 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009Revision history for Crypt-SysRandom-XS 0.009 2025-04-11 18:46:31+02:00 Europe/Brussels - Handle exceptions in signal handler during getrandom correctly - Add BACKENDS section to documentation 0.008 2025-02-20 13:51:46+01:00 Europe/Brussels - Correctly set ending nullbyte in rdrand64 code 0.007 2025-02-05 20:45:53+01:00 Europe/Brussels - Add RDRAND support as final fallback 0.006 2025-02-04 02:58:41+01:00 Europe/Brussels - Rename to Crypt::SysRandom::XS - Simplify error message 0.005 2025-01-15 14:25:11+01:00 Europe/Brussels - Fix linking on Windows 0.004 2025-01-14 21:26:35+01:00 Europe/Brussels - Link to Bcrypt.dll on Windows 0.003 2025-01-14 13:18:37+01:00 Europe/Brussels - Fix typo in Windows feature check 0.002 2025-01-13 00:03:03+01:00 Europe/Brussels - fix UNISTD_GETENTROPY feature detection 0.001 2025-01-12 17:51:05+01:00 Europe/Brussels Initial release to an unsuspecting world LICENSE100644001750001750 4644014776243550 15650 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009This 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. Terms of the Perl programming language system itself a) the GNU General Public License as published by the Free Software Foundation; either version 1, or (at your option) any later version, or b) the "Artistic License" --- The GNU General Public License, Version 1, February 1989 --- This software is Copyright (c) 2025 by Leon Timmermans. This is free software, licensed under: The GNU General Public License, Version 1, February 1989 GNU GENERAL PUBLIC LICENSE Version 1, February 1989 Copyright (C) 1989 Free Software Foundation, Inc. 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The license agreements of most software companies try to keep users at the mercy of those companies. 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This License Agreement applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The "Program", below, refers to any such program or work, and a "work based on the Program" means either the Program or any work containing the Program or a portion of it, either verbatim or with modifications. Each licensee is addressed as "you". 1. You may copy and distribute verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this General Public License and to the absence of any warranty; and give any other recipients of the Program a copy of this General Public License along with the Program. You may charge a fee for the physical act of transferring a copy. 2. 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It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) 19yy This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 1, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) 19xx name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (a program to direct compilers to make passes at assemblers) written by James Hacker. , 1 April 1989 Ty Coon, President of Vice That's all there is to it! --- The Perl Artistic License 1.0 --- This software is Copyright (c) 2025 by Leon Timmermans. This is free software, licensed under: The Perl Artistic License 1.0 The "Artistic License" Preamble The intent of this document is to state the conditions under which a Package may be copied, such that the Copyright Holder maintains some semblance of artistic control over the development of the package, while giving the users of the package the right to use and distribute the Package in a more-or-less customary fashion, plus the right to make reasonable modifications. 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However, you may distribute this Package in aggregate with other (possibly commercial) programs as part of a larger (possibly commercial) software distribution provided that you do not advertise this Package as a product of your own. You may embed this Package's interpreter within an executable of yours (by linking); this shall be construed as a mere form of aggregation, provided that the complete Standard Version of the interpreter is so embedded. 6. The scripts and library files supplied as input to or produced as output from the programs of this Package do not automatically fall under the copyright of this Package, but belong to whoever generated them, and may be sold commercially, and may be aggregated with this Package. If such scripts or library files are aggregated with this Package via the so-called "undump" or "unexec" methods of producing a binary executable image, then distribution of such an image shall neither be construed as a distribution of this Package nor shall it fall under the restrictions of Paragraphs 3 and 4, provided that you do not represent such an executable image as a Standard Version of this Package. 7. C subroutines (or comparably compiled subroutines in other languages) supplied by you and linked into this Package in order to emulate subroutines and variables of the language defined by this Package shall not be considered part of this Package, but are the equivalent of input as in Paragraph 6, provided these subroutines do not change the language in any way that would cause it to fail the regression tests for the language. 8. Aggregation of this Package with a commercial distribution is always permitted provided that the use of this Package is embedded; that is, when no overt attempt is made to make this Package's interfaces visible to the end user of the commercial distribution. Such use shall not be construed as a distribution of this Package. 9. The name of the Copyright Holder may not be used to endorse or promote products derived from this software without specific prior written permission. 10. THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. The End INSTALL100644001750001750 471014776243550 15646 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009This is the Perl distribution Crypt-SysRandom-XS. Installing Crypt-SysRandom-XS is straightforward. ## Installation with cpanm If you have cpanm, you only need one line: % cpanm Crypt::SysRandom::XS If it does not have permission to install modules to the current perl, cpanm will automatically set up and install to a local::lib in your home directory. See the local::lib documentation (https://metacpan.org/pod/local::lib) for details on enabling it in your environment. ## Installing with the CPAN shell Alternatively, if your CPAN shell is set up, you should just be able to do: % cpan Crypt::SysRandom::XS ## Manual installation As a last resort, you can manually install it. If you have not already downloaded the release tarball, you can find the download link on the module's MetaCPAN page: https://metacpan.org/pod/Crypt::SysRandom::XS Untar the tarball, install configure prerequisites (see below), then build it: % perl Build.PL % ./Build && ./Build test Then install it: % ./Build install Or the more portable variation: % perl Build.PL % perl Build % perl Build test % perl Build install If your perl is system-managed, you can create a local::lib in your home directory to install modules to. For details, see the local::lib documentation: https://metacpan.org/pod/local::lib The prerequisites of this distribution will also have to be installed manually. The prerequisites are listed in one of the files: `MYMETA.yml` or `MYMETA.json` generated by running the manual build process described above. ## Configure Prerequisites This distribution requires other modules to be installed before this distribution's installer can be run. They can be found under the "configure_requires" key of META.yml or the "{prereqs}{configure}{requires}" key of META.json. ## Other Prerequisites This distribution may require additional modules to be installed after running Build.PL. Look for prerequisites in the following phases: * to run ./Build, PHASE = build * to use the module code itself, PHASE = runtime * to run tests, PHASE = test They can all be found in the "PHASE_requires" key of MYMETA.yml or the "{prereqs}{PHASE}{requires}" key of MYMETA.json. ## Documentation Crypt-SysRandom-XS documentation is available as POD. You can run `perldoc` from a shell to read the documentation: % perldoc Crypt::SysRandom::XS For more information on installing Perl modules via CPAN, please see: https://www.cpan.org/modules/INSTALL.html dist.ini100644001750001750 133414776243550 16260 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009name = Crypt-SysRandom-XS author = Leon Timmermans license = Perl_5 copyright_holder = Leon Timmermans copyright_year = 2025 [Git::GatherDir] [PruneCruft] [MetaYAML] [License] [Manifest] [Readme] [AutoPrereqs] [MetaJSON] [GitHub::Meta] [Git::NextVersion] [MetaProvides::Package] [SecurityPolicy] -policy = Individual ; authordep Software::Security::Policy::Individual [DistBuild] version_method = installed auto_plugin_requires = 1 [Test::Compile] [PodSyntaxTests] [PodCoverageTests] [InstallGuide] [PodWeaver] [PkgVersion] [NextRelease] [CheckChangesHasContent] [Git::Check] [RunExtraTests] [TestRelease] [ConfirmRelease] [Prereqs] perl = 5.010 [UploadToCPAN] [Git::Commit] [Git::Tag] [Git::Push] META.yml100644001750001750 176514776243550 16075 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009--- abstract: 'Perl interface to system randomness, XS version' author: - 'Leon Timmermans ' build_requires: File::Spec: '0' IO::Handle: '0' IPC::Open3: '0' Test::More: '0' perl: '5.010' configure_requires: Dist::Build: '0.019' Dist::Build::XS: '0' Dist::Build::XS::Conf: '0' dynamic_config: 0 generated_by: 'Dist::Zilla version 6.032, CPAN::Meta::Converter version 2.150010' license: perl meta-spec: url: http://module-build.sourceforge.net/META-spec-v1.4.html version: '1.4' name: Crypt-SysRandom-XS provides: Crypt::SysRandom::XS: file: lib/Crypt/SysRandom/XS.pm version: '0.009' requires: Exporter: '0' XSLoader: '0' perl: '5.010' strict: '0' warnings: '0' resources: bugtracker: https://github.com/Leont/crypt-sysrandom-xs/issues repository: git://github.com/Leont/crypt-sysrandom-xs.git version: '0.009' x_generated_by_perl: v5.40.0 x_serialization_backend: 'YAML::Tiny version 1.76' x_spdx_expression: 'Artistic-1.0-Perl OR GPL-1.0-or-later' MANIFEST100644001750001750 46514776243550 15731 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009# This file was automatically generated by Dist::Zilla::Plugin::Manifest v6.032. Build.PL Changes INSTALL LICENSE MANIFEST META.json META.yml README SECURITY.md dist.ini lib/Crypt/SysRandom/XS.pm lib/Crypt/SysRandom/XS.xs planner/xs.pl t/00-compile.t t/basic.t xt/author/pod-coverage.t xt/author/pod-syntax.t Build.PL100644001750001750 26614776243550 16073 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009# This Build.PL for Crypt-SysRandom-XS was generated by Dist::Zilla::Plugin::DistBuild 0.002. use strict; use warnings; use 5.010; use Dist::Build 0.019; Build_PL(\@ARGV, \%ENV); t000755001750001750 014776243550 14716 5ustar00leontleont000000000000Crypt-SysRandom-XS-0.009basic.t100644001750001750 47714776243550 16314 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009/t#! perl use strict; use warnings; use Test::More; use Crypt::SysRandom::XS 'random_bytes'; my $first = random_bytes(16); is length $first, 16, '$first is 16 bytes'; isnt $first, scalar("\0" x 16), "\$first isn't empty"; my $second = random_bytes(16); isnt $first, $second, "\$first isn't second"; done_testing; META.json100644001750001750 374414776243550 16244 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009{ "abstract" : "Perl interface to system randomness, XS version", "author" : [ "Leon Timmermans " ], "dynamic_config" : 0, "generated_by" : "Dist::Zilla version 6.032, CPAN::Meta::Converter version 2.150010", "license" : [ "perl_5" ], "meta-spec" : { "url" : "http://search.cpan.org/perldoc?CPAN::Meta::Spec", "version" : 2 }, "name" : "Crypt-SysRandom-XS", "prereqs" : { "configure" : { "requires" : { "Dist::Build" : "0.019", "Dist::Build::XS" : "0", "Dist::Build::XS::Conf" : "0" } }, "develop" : { "requires" : { "Pod::Coverage::TrustPod" : "0", "Software::Security::Policy::Individual" : "0", "Test::More" : "0", "Test::Pod" : "1.41", "Test::Pod::Coverage" : "1.08" } }, "runtime" : { "requires" : { "Exporter" : "0", "XSLoader" : "0", "perl" : "5.010", "strict" : "0", "warnings" : "0" } }, "test" : { "requires" : { "File::Spec" : "0", "IO::Handle" : "0", "IPC::Open3" : "0", "Test::More" : "0", "perl" : "5.010" } } }, "provides" : { "Crypt::SysRandom::XS" : { "file" : "lib/Crypt/SysRandom/XS.pm", "version" : "0.009" } }, "release_status" : "stable", "resources" : { "bugtracker" : { "web" : "https://github.com/Leont/crypt-sysrandom-xs/issues" }, "repository" : { "type" : "git", "url" : "git://github.com/Leont/crypt-sysrandom-xs.git", "web" : "https://github.com/Leont/crypt-sysrandom-xs" } }, "version" : "0.009", "x_generated_by_perl" : "v5.40.0", "x_serialization_backend" : "Cpanel::JSON::XS version 4.39", "x_spdx_expression" : "Artistic-1.0-Perl OR GPL-1.0-or-later" } SECURITY.md100644001750001750 725114776243550 16411 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009# Security Policy for the Crypt-SysRandom-XS distribution. Report issues via email at: Leon Timmermans . This is the Security Policy for Crypt-SysRandom-XS. This text is based on the CPAN Security Group's Guidelines for Adding a Security Policy to Perl Distributions (version 1.0.0) https://security.metacpan.org/docs/guides/security-policy-for-authors.html # How to Report a Security Vulnerability Security vulnerabilities can be reported by e-mail to the current project maintainers at Leon Timmermans . Please include as many details as possible, including code samples or test cases, so that we can reproduce the issue. Check that your report does not expose any sensitive data, such as passwords, tokens, or personal information. If you would like any help with triaging the issue, or if the issue is being actively exploited, please copy the report to the CPAN Security Group (CPANSec) at . Please *do not* use the public issue reporting system on RT or GitHub issues for reporting security vulnerabilities. Please do not disclose the security vulnerability in public forums until past any proposed date for public disclosure, or it has been made public by the maintainers or CPANSec. That includes patches or pull requests. For more information, see [Report a Security Issue](https://security.metacpan.org/docs/report.html) on the CPANSec website. ## Response to Reports The maintainer(s) aim to acknowledge your security report as soon as possible. However, this project is maintained by a single person in their spare time, and they cannot guarantee a rapid response. If you have not received a response from them within 5 days, then please send a reminder to them and copy the report to CPANSec at . Please note that the initial response to your report will be an acknowledgement, with a possible query for more information. It will not necessarily include any fixes for the issue. The project maintainer(s) may forward this issue to the security contacts for other projects where we believe it is relevant. This may include embedded libraries, system libraries, prerequisite modules or downstream software that uses this software. They may also forward this issue to CPANSec. # Which Software This Policy Applies To Any security vulnerabilities in Crypt-SysRandom-XS are covered by this policy. Security vulnerabilities are considered anything that allows users to execute unauthorised code, access unauthorised resources, or to have an adverse impact on accessibility or performance of a system. Security vulnerabilities in upstream software (embedded libraries, prerequisite modules or system libraries, or in Perl), are not covered by this policy unless they affect Crypt-SysRandom-XS, or Crypt-SysRandom-XS can be used to exploit vulnerabilities in them. Security vulnerabilities in downstream software (any software that uses Crypt-SysRandom-XS, or plugins to it that are not included with the Crypt-SysRandom-XS distribution) are not covered by this policy. ## Supported Versions of Crypt-SysRandom-XS The maintainer(s) will only commit to releasing security fixes for the latest version of Crypt-SysRandom-XS. # Installation and Usage Issues The distribution metadata specifies minimum versions of prerequisites that are required for Crypt-SysRandom-XS to work. However, some of these prerequisites may have security vulnerabilities, and you should ensure that you are using up-to-date versions of these prerequisites. Where security vulnerabilities are known, the metadata may indicate newer versions as recommended. ## Usage Please see the software documentation for further information. planner000755001750001750 014776243550 16112 5ustar00leontleont000000000000Crypt-SysRandom-XS-0.009xs.pl100644001750001750 465414776243550 17252 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009/planner#! perl use strict; use warnings; load_extension('Dist::Build::XS'); load_extension('Dist::Build::XS::Conf'); my %options; my @possibilities = ( [ 'getrandom in sys/random.h', 'SYS_RANDOM_GETRANDOM', {}, < #include int main(void) { char buf[16]; int r = getrandom(buf, sizeof(buf), 0); return 0; } EOF ['getrandom in sys/syscall.h', 'SYSCALL_GETRANDOM', {}, < #include int main(void) { char buf[16]; int r = syscall(SYS_getrandom, buf, sizeof(buf), 0); return 0; } EOF ['arc4random in sys/random.h', 'SYS_RANDOM_ARC4RANDOM', {}, < #include int main(void) { char buf[16]; arc4random_buf(buf, sizeof(buf)); return 0; } EOF ['arc4random in unistd.h', 'UNISTD_ARC4RANDOM', {}, < int main(void) { char buf[16]; arc4random_buf(buf, sizeof(buf)); return 0; } EOF ['arc4random in stdlib.h', 'STDLIB_ARC4RANDOM', {}, < int main(void) { char buf[16]; arc4random_buf(buf, sizeof(buf)); return 0; } EOF ['Microsoft BcryptGenRandom', 'BCRYPT_GENRANDOM', { libraries => ['Bcrypt'] }, < #undef WIN32_NO_STATUS #include #include #include int main(void) { char buf[16]; int r = BCryptGenRandom(NULL, buf, sizeof(buf), BCRYPT_USE_SYSTEM_PREFERRED_RNG); return 0; } EOF [ 'rdrandom64 in immintrin.h', 'RDRAND64', { extra_compiler_flags => [ '-mrdrnd' ] }, < int main(void) { char buf[16]; int i; for (i = 0; i < sizeof buf; i+= sizeof(unsigned long long)) _rdrand64_step((unsigned long long*)(buf + i)); } EOF [ 'rdrandom32 in immintrin.h', 'RDRAND32', { extra_compiler_flags => [ '-mrdrnd' ] }, < int main(void) { char buf[16]; int i; for (i = 0; i < sizeof buf; i+= sizeof(unsigned long)) _rdrand32_step((unsigned *)(buf + i)); } EOF ); for my $possibility (@possibilities) { my ($name, $define, $options, $code) = @{ $possibility }; if (try_compile_run(source => $code, define => "HAVE_\U$define", %$options, quiet => 1, push_args => 1)) { print "Found $name\n"; last; } } die "No suitable implementation found" unless defines() > 0; add_xs(%options); 00-compile.t100644001750001750 264314776243550 17115 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009/tuse 5.006; use strict; use warnings; # this test was generated with Dist::Zilla::Plugin::Test::Compile 2.058 use Test::More; plan tests => 1 + ($ENV{AUTHOR_TESTING} ? 1 : 0); my @module_files = ( 'Crypt/SysRandom/XS.pm' ); # no fake home requested my @switches = ( -d 'blib' ? '-Mblib' : '-Ilib', ); use File::Spec; use IPC::Open3; use IO::Handle; open my $stdin, '<', File::Spec->devnull or die "can't open devnull: $!"; my @warnings; for my $lib (@module_files) { # see L my $stderr = IO::Handle->new; diag('Running: ', join(', ', map { my $str = $_; $str =~ s/'/\\'/g; q{'} . $str . q{'} } $^X, @switches, '-e', "require q[$lib]")) if $ENV{PERL_COMPILE_TEST_DEBUG}; my $pid = open3($stdin, '>&STDERR', $stderr, $^X, @switches, '-e', "require q[$lib]"); binmode $stderr, ':crlf' if $^O eq 'MSWin32'; my @_warnings = <$stderr>; waitpid($pid, 0); is($?, 0, "$lib loaded ok"); shift @_warnings if @_warnings and $_warnings[0] =~ /^Using .*\bblib/ and not eval { +require blib; blib->VERSION('1.01') }; if (@_warnings) { warn @_warnings; push @warnings, @_warnings; } } is(scalar(@warnings), 0, 'no warnings found') or diag 'got warnings: ', ( Test::More->can('explain') ? Test::More::explain(\@warnings) : join("\n", '', @warnings) ) if $ENV{AUTHOR_TESTING}; author000755001750001750 014776243550 16410 5ustar00leontleont000000000000Crypt-SysRandom-XS-0.009/xtpod-syntax.t100644001750001750 25214776243550 21022 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009/xt/author#!perl # This file was automatically generated by Dist::Zilla::Plugin::PodSyntaxTests. use strict; use warnings; use Test::More; use Test::Pod 1.41; all_pod_files_ok(); pod-coverage.t100644001750001750 36514776243550 21274 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009/xt/author#!perl # This file was automatically generated by Dist::Zilla::Plugin::PodCoverageTests. use strict; use warnings; use Test::Pod::Coverage 1.08; use Pod::Coverage::TrustPod; all_pod_coverage_ok({ coverage_class => 'Pod::Coverage::TrustPod' }); SysRandom000755001750001750 014776243550 20241 5ustar00leontleont000000000000Crypt-SysRandom-XS-0.009/lib/CryptXS.pm100644001750001750 306614776243550 21276 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009/lib/Crypt/SysRandompackage Crypt::SysRandom::XS; $Crypt::SysRandom::XS::VERSION = '0.009'; use strict; use warnings; use XSLoader; XSLoader::load(__PACKAGE__, __PACKAGE__->VERSION); use Exporter 'import'; our @EXPORT_OK = 'random_bytes'; 1; # ABSTRACT: Perl interface to system randomness, XS version __END__ =pod =encoding UTF-8 =head1 NAME Crypt::SysRandom::XS - Perl interface to system randomness, XS version =head1 VERSION version 0.009 =head1 SYNOPSIS use Crypt::SysRandom::XS 'random_bytes'; my $random = random_bytes(16); =head1 DESCRIPTION This module uses whatever C interface is available to procure cryptographically random data from the system. =head1 FUNCTIONS =head2 random_bytes($count) This will fetch a string of C<$count> random bytes containing cryptographically secure random data. =head1 BACKENDS At build-time, it will try the following backends in order: =over 4 =item * getrandom This backend is available on Linux, FreeBSD and Solaris =item * arc4random This interface is supported on most BSDs and Mac. =item * BCryptGenRandom This backend is available on Windows (Vista and newer) =item * rdrand64 This is available on C architectures using most compilers. =item * rdrand32 This is available on C and C architectures using most compilers. =back =head1 AUTHOR Leon Timmermans =head1 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. =cut XS.xs100644001750001750 476014776243550 21316 0ustar00leontleont000000000000Crypt-SysRandom-XS-0.009/lib/Crypt/SysRandom#if __STDC_VERSION__ >= 199901L #define PERL_WANT_VARARGS #endif #define PERL_NO_GET_CONTEXT #include "EXTERN.h" #include "perl.h" #define NO_XSLOCKS #include "XSUB.h" #include #include #if defined(HAVE_SYS_RANDOM_GETRANDOM) || defined(HAVE_SYS_RANDOM_ARC4RANDOM) #include #elif defined(HAVE_SYSCALL_GETRANDOM) #include #include #define getrandom(data, length, flags) syscall(SYS_getrandom, data, length, flags) #elif defined(HAVE_UNISTD_ARC4RANDOM) #include #elif defined(HAVE_STDLIB_ARC4RANDOM) #include #elif defined(HAVE_BCRYPT_GENRANDOM) #define WIN32_NO_STATUS #include #undef WIN32_NO_STATUS #include #include #include #elif defined(HAVE_RDRAND32) || defined(HAVE_RDRAND64) #include #else #error "No suitable implementation found" #endif static const char error_string[] = "Could not read random bytes"; MODULE = Crypt::SysRandom::XS PACKAGE = Crypt::SysRandom::XS PROTOTYPES: DISABLED SV* random_bytes(size_t wanted) CODE: RETVAL = newSVpv("", 0); SvGROW(RETVAL, wanted + 1); SvCUR_set(RETVAL, wanted); char* data = SvPVX(RETVAL); #if defined(HAVE_BCRYPT_GENRANDOM) NTSTATUS status = BCryptGenRandom(NULL, data, wanted, BCRYPT_USE_SYSTEM_PREFERRED_RNG); if (!NT_SUCCESS(status)) { SvREFCNT_dec(RETVAL); croak(error_string); } #elif defined(HAVE_SYS_RANDOM_ARC4RANDOM) || defined(HAVE_UNISTD_ARC4RANDOM) || defined(HAVE_STDLIB_ARC4RANDOM) arc4random_buf(data, wanted); #elif defined(HAVE_RDRAND64) if (wanted % 8) SvGROW(RETVAL, wanted + (8 - (wanted % 8)) + 1); int i; for (i = 0; i < wanted; i += 8) _rdrand64_step((unsigned long long*)(data + i)); if (wanted % 8) data[wanted] = '\0'; #elif defined(HAVE_RDRAND32) if (wanted % 4) SvGROW(RETVAL, wanted + (4 - (wanted % 4)) + 1); int i; for (i = 0; i < wanted; i += 4) _rdrand32_step((unsigned*)(data + i)); if (wanted % 4) data[wanted] = '\0'; #else size_t received = 0; while (received < wanted) { size_t length = wanted - received; int result = getrandom(data, length, 0); if (result == -1 && errno == EINTR) { dXCPT; XCPT_TRY_START { PERL_ASYNC_CHECK(); } XCPT_TRY_END; XCPT_CATCH { SvREFCNT_dec(RETVAL); XCPT_RETHROW; } } else if (result == -1 || result == 0) { SvREFCNT_dec(RETVAL); croak(error_string); } else { received += result; data += result; } } #endif OUTPUT: RETVAL