Server IP : 104.21.38.3 / Your IP : 162.158.88.26 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/share/perl5/Mail/DKIM/ |
Upload File : |
package Mail::DKIM::Key; use strict; use warnings; # ABSTRACT: Represents a DKIM Key our $VERSION = '1.20200907'; # VERSION # Copyright 2006 Jason Long. All rights reserved. # # Copyright (c) 2004 Anthony D. Urso. All rights reserved. # This program is free software; you can redistribute it and/or # modify it under the same terms as Perl itself. sub cork { my $self = shift; (@_) and $self->{'CORK'} = shift; $self->{'CORK'} or $self->convert; $self->{'CORK'}; } sub data { my $self = shift; (@_) and $self->{'DATA'} = shift; $self->{'DATA'}; } sub errorstr { my $self = shift; (@_) and $self->{'ESTR'} = shift; $self->{'ESTR'}; } sub size { my $self = shift; return $self->cork->size * 8; } sub type { my $self = shift; (@_) and $self->{'TYPE'} = shift; $self->{'TYPE'}; } sub calculate_EM { my ( $digest_algorithm, $digest, $emLen ) = @_; # this function performs DER encoding of the algorithm ID for the # hash function and the hash value itself # It has this syntax: # DigestInfo ::= SEQUENCE { # digestAlgorithm AlgorithmIdentifier, # digest OCTET STRING # } # RFC 3447, page 42, provides the following octet values: my %digest_encoding = ( 'SHA-1' => pack( 'H*', '3021300906052B0E03021A05000414' ), 'SHA-256' => pack( 'H*', '3031300d060960864801650304020105000420' ), ); defined $digest_encoding{$digest_algorithm} or die "Unsupported digest algorithm '$digest_algorithm'"; my $T = $digest_encoding{$digest_algorithm} . $digest; my $tLen = length($T); if ( $emLen < $tLen + 11 ) { die 'Intended encoded message length too short.'; } my $PS = chr(0xff) x ( $emLen - $tLen - 3 ); my $EM = chr(0) . chr(1) . $PS . chr(0) . $T; return $EM; } 1; __END__ =pod =encoding UTF-8 =head1 NAME Mail::DKIM::Key - Represents a DKIM Key =head1 VERSION version 1.20200907 =head1 AUTHORS =over 4 =item * Jason Long <[email protected]> =item * Marc Bradshaw <[email protected]> =item * Bron Gondwana <[email protected]> (ARC) =back =head1 THANKS Work on ensuring that this module passes the ARC test suite was generously sponsored by Valimail (https://www.valimail.com/) =head1 COPYRIGHT AND LICENSE =over 4 =item * Copyright (C) 2013 by Messiah College =item * Copyright (C) 2010 by Jason Long =item * Copyright (C) 2017 by Standcore LLC =item * Copyright (C) 2020 by FastMail Pty Ltd =back This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.6 or, at your option, any later version of Perl 5 you may have available. =cut