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#!/usr/bin/perl
# $Id: 41-DNSKEY-keytag.t 1856 2021-12-02 14:36:25Z willem $ -*-perl-*-
#
use strict;
use warnings;
use Test::More;
use Net::DNS;
my @prerequisite = qw(
MIME::Base64
Net::DNS::RR::DNSKEY;
);
foreach my $package (@prerequisite) {
next if eval "require $package"; ## no critic
plan skip_all => "$package not installed";
exit;
}
plan tests => 4;
my $key = Net::DNS::RR->new( <<'END' );
RSASHA1.example. IN DNSKEY 256 3 5 (
AwEAAZHbngk6sMoFHN8fsYY6bmGR4B9UYJIqDp+mORLEH53Xg0f6RMDtfx+H3/x7bHTUikTr26bV
AqsxOs2KxyJ2Xx9RGG0DB9O4gpANljtTq2tLjvaQknhJpSq9vj4CqUtr6Wu152J2aQYITBoQLHDV
i8mIIunparIKDmhy8TclVXg9 ) ; Key ID = 1623
END
ok( $key, 'set up DNSKEY record' );
my $keytag = $key->keytag;
is( $keytag, 1623, 'numerical keytag has expected value' );
my $newkey = <<'END';
AwEAAcNz+cEA/Zkl/8u5/kfJKPNSbmXbdMpk6jM4bMWTEhZlaEOJE+GYsbM+HvjMgEMz00eDpvDR
XEMl1o4x60SgW8ap44deky/KAYzDC80rIZrvjDx8DPzF3yIikrGc8P7Eq+0zbWrYyiHRg5DllIT4
5NCz6EMtji1RQloWCaXuAzCN
END
my $keybin = $key->keybin;
$key->key($newkey);
isnt( $key->keytag, $keytag, 'keytag recalculated from modified key' );
$key->keybin($keybin);
is( $key->keytag, $keytag, 'keytag recalculated from restored key' );
exit;
__END__
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