53 lines
922 B
Perl
53 lines
922 B
Perl
package Crypt::Mac;
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use strict;
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use warnings;
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our $VERSION = '0.048';
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require Exporter; our @ISA = qw(Exporter); ### use Exporter 'import';
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our %EXPORT_TAGS = ( all => [qw( mac mac_hex )] );
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our @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } );
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our @EXPORT = qw();
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sub add {
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my $self = shift;
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$self->_add_single($_) for (@_);
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return $self;
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}
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sub addfile {
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my ($self, $file) = @_;
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my $handle;
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if (ref(\$file) eq 'SCALAR') {
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#filename
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open($handle, "<", $file) || die "FATAL: cannot open '$file': $!";
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binmode($handle);
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}
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else {
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#handle
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$handle = $file
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}
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die "FATAL: invalid handle" unless defined $handle;
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my $n;
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my $buf = "";
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while (($n = read($handle, $buf, 32*1024))) {
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$self->_add_single($buf)
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}
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die "FATAL: read failed: $!" unless defined $n;
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return $self;
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}
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sub CLONE_SKIP { 1 } # prevent cloning
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1;
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__END__
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=head1 NAME
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Crypt::mode - [internal only]
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=cut |