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package SRS::EPP::OpenPGP; |
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75277
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use 5.010; |
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use Moose; |
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use Moose::Util::TypeConstraints; |
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use MooseX::Method::Signatures; |
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use Crypt::OpenPGP; |
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use Crypt::OpenPGP::KeyRing; |
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use Carp; |
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with 'MooseX::Log::Log4perl'; |
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BEGIN { |
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class_type "Crypt::OpenPGP::KeyRing"; |
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class_type "Crypt::OpenPGP::KeyBlock"; |
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class_type "Crypt::OpenPGP::Certificate"; |
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} |
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# Crypt::OpenPGP setup. |
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has 'pgp' => |
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is => "ro", |
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isa => "Crypt::OpenPGP", |
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lazy => 1, |
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default => sub { |
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my $self = shift; |
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Crypt::OpenPGP->new( |
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($self->_has_secret_keyring ? |
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(SecRing => $self->secret_keyring) |
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: ()), |
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($self->_has_public_keyring ? |
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(PubRing => $self->public_keyring) |
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: ()), |
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); |
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}, |
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; |
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has 'secret_keyring' => |
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is => "ro", |
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isa => "Crypt::OpenPGP::KeyRing", |
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lazy => 1, |
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predicate => "_has_secret_keyring", |
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coerce => 1, |
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default => sub { |
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my $self = shift; |
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$self->pgp->{cfg}->get("SecRing"); |
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}, |
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; |
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has 'public_keyring' => |
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is => "ro", |
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isa => "Crypt::OpenPGP::KeyRing", |
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lazy => 1, |
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predicate => "_has_public_keyring", |
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coerce => 1, |
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default => sub { |
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my $self = shift; |
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$self->pgp->{cfg}->get("PubRing"); |
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}, |
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; |
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coerce "Crypt::OpenPGP::KeyRing" |
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=> from "Str" |
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=> via { |
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Crypt::OpenPGP::KeyRing->new( |
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Filename => $_, |
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); |
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}; |
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# specifying the default signing/encryption key |
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BEGIN { |
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subtype "SRS::EPP::OpenPGP::key_id" |
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=> as "Str", |
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=> where { |
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m{^(?:0x)?(?:(?:[0-9a-f]{4}\s?){2}){1,2}$}i; |
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}; |
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}; |
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has 'uid' => |
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is => "rw", |
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isa => "SRS::EPP::OpenPGP::key_id", |
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trigger => sub { |
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my $self = shift; |
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my $uid = shift; |
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$self->default_signing_key( |
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$self->find_signing_key($uid) |
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); |
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$self->default_encrypting_key( |
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$self->find_signing_key($uid) |
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); |
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} |
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; |
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has 'passphrase' => |
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is => "rw", |
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isa => "Str", |
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; |
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method unlock_cert( Crypt::OpenPGP::Certificate $cert ) { |
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return unless $cert->is_protected; |
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return if $self->passphrase and |
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$cert->unlock($self->passphrase); |
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my $key_id = $cert->fingerprint_hex; |
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require Scriptalicious; |
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unless (-t STDIN) { |
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$self->logger->fatal("no terminal"); |
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die "no terminal"; |
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} |
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$self->passphrase( |
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Scriptalicious::prompt_passwd( |
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"Enter passphrase for PGP cert $key_id:" |
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), |
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); |
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print "\n"; # workaround bug in Scriptalicious.. |
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return $self->unlock_cert($cert); |
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} |
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has 'default_signing_key' => |
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is => "rw", |
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; |
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has 'default_encrypting_key' => |
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is => "rw", |
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; |
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method find_signing_key(SRS::EPP::OpenPGP::key_id $key_id) { |
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my $kb = $self->get_sec_key_block($key_id) or return; |
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my $cert = $kb->signing_key |
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or croak "Invalid signing key $key_id"; |
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$self->unlock_cert($cert); |
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$cert->uid($kb->primary_uid); |
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return $cert; |
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} |
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method find_encrypting_key(SRS::EPP::OpenPGP::key_id $key_id) { |
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my $kb = $self->get_sec_key_block($key_id) or return; |
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my $cert = $kb->encrypting_key |
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or croak "Invalid encrypting key $key_id"; |
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$self->unlock_cert($cert); |
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$cert->uid($kb->primary_uid); |
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return $cert; |
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} |
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method get_sec_key_block(SRS::EPP::OpenPGP::key_id $key_id?) { |
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my $sec_ring = $self->secret_keyring; |
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$key_id =~ s{^0x}{}; |
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my $kb = $key_id |
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? $sec_ring->find_keyblock_by_keyid( pack("H*", $key_id) ) |
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: $sec_ring->find_keyblock_by_index(-1) |
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or croak "Can't find keyblock (" |
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.($key_id ? $key_id : "default") |
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."): " . $sec_ring->errstr; |
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return $kb; |
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} |
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method get_pub_key_block(SRS::EPP::OpenPGP::key_id $key_id?) { |
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my $pub_ring = $self->public_keyring; |
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$key_id =~ s{^0x}{}; |
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my $kb = $key_id |
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? $pub_ring->find_keyblock_by_keyid( pack("H*", $key_id) ) |
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: $pub_ring->find_keyblock_by_index(-1) |
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or croak "Can't find keyblock (" |
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.($key_id ? $key_id : "default") |
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."): " . $pub_ring->errstr; |
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return $kb; |
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} |
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method get_cert_from_key_text( Str $key_text ) { |
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my $kr = new Crypt::OpenPGP::KeyRing(Data => $key_text) |
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or return; |
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my $kb = $kr->find_keyblock_by_index(-1) |
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or return; |
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my $cert = $kb->signing_key |
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or return; |
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$cert->uid($kb->primary_uid); |
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$cert; |
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} |
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184
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use Encode; |
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use utf8; |
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sub byte_string { |
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if ( utf8::is_utf8($_[0]) ) { |
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encode("utf8", $_[0]); |
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} |
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else { |
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$_[0]; |
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} |
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} |
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method verify_detached(Str $data, Str $signature, :$cert, :$key_text) { |
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if ( $key_text ) { |
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$cert ||= $self->get_cert_from_key_text($key_text); |
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} |
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my $pgp = $self->pgp; |
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my $res = $pgp->verify( |
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Data => byte_string($data), |
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Signature => $signature, |
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( $cert ? (Key => $cert) : () ), |
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); |
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if ( $res ) { |
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my $res_neg = $pgp->verify( |
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Data => "xx.$$.".rand(3), |
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Signature => $signature, |
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( $cert ? (Key => $cert) : () ), |
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); |
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if ( $res and $res_neg ) { |
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# a full doc was passed in as a signature... |
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$res = 0; |
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} |
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} |
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warn $pgp->errstr if !$res && $pgp->errstr; |
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return $res; |
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} |
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220
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method detached_sign(Str $data, $key?, $passphrase?) { |
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$key ||= $self->default_signing_key; |
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my $pgp = $self->pgp; |
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my $signature = $pgp->sign( |
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Data => byte_string($data), |
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Detach => 1, |
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Armour => 1, |
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Digest => "SHA1", |
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Passphrase => $passphrase//"", |
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Key => $key, |
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); |
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carp "Signing attempt failed: ", $pgp->errstr() unless $signature; |
233
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return $signature; |
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} |
235
|
|
|
|
|
|
|
|
236
|
|
|
|
|
|
|
1; |