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package Digest::HMAC_SHA1;
$VERSION="1.03";
use strict;
use Digest::SHA qw(sha1);
use Digest::HMAC qw(hmac);
# OO interface
use vars qw(@ISA);
@ISA=qw(Digest::HMAC);
sub new
{
my $class = shift;
$class->SUPER::new($_[0], "Digest::SHA", 64); # Digest::SHA defaults to SHA-1
}
# Functional interface
require Exporter;
*import = \&Exporter::import;
use vars qw(@EXPORT_OK);
@EXPORT_OK=qw(hmac_sha1 hmac_sha1_hex);
sub hmac_sha1
{
hmac($_[0], $_[1], \&sha1, 64);
}
sub hmac_sha1_hex
{
unpack("H*", &hmac_sha1)
}
1;
__END__
=head1 NAME
Digest::HMAC_SHA1 - Keyed-Hashing for Message Authentication
=head1 SYNOPSIS
# Functional style
use Digest::HMAC_SHA1 qw(hmac_sha1 hmac_sha1_hex);
$digest = hmac_sha1($data, $key);
print hmac_sha1_hex($data, $key);
# OO style
use Digest::HMAC_SHA1;
$hmac = Digest::HMAC_SHA1->new($key);
$hmac->add($data);
$hmac->addfile(*FILE);
$digest = $hmac->digest;
$digest = $hmac->hexdigest;
$digest = $hmac->b64digest;
=head1 DESCRIPTION
This module provide HMAC-SHA-1 hashing.
=head1 SEE ALSO
L<Digest::HMAC>, L<Digest::SHA>, L<Digest::HMAC_MD5>
=head1 AUTHOR
Gisle Aas <gisle@aas.no>
=cut
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