Article	Figure 2	Figure 3	Figure 4	Figure 5
Figure 6	Figure 1a	Figure 1b	Listing 1	Listing 2
Listing 3	Listing 4	Listing 5	feb99.tar

Listing 5: Perl script for installing client certificate

#!/usr/local/bin/perl

%arguments;

foreach (@ARGV) {
    s/\n//g;
    my( $key, $value ) = split( /=/ );
    $arguments{$key} = $value;
}

$serial = $arguments{"serial"};
$cert = "certs/$serial.pem";
#$cert = "../../certs/$serial.pem";

open CERT, "<$cert" or die "certificate: $!\n";
@full = <CERT>;
close CERT;

$size = 0;
shift @full until( $full[0] =~ /-----BEGIN CERTIFICATE-----/ );
shift @full;
push @cert, shift @full until( ($size += (length( $cert[$#cert]) )) \
  && $full[0] =~ /-----END 
CERTIFICATE-----/ );

$size += length( "-----BEGIN CERTIFICATE-----\n" );
$size += length( "-----END CERTIFICATE-----\n" );
print "HTTP/1.0 200 \n";
print "Content-Type: application/x-x509-user-cert\n";
print "Content-Encoding: base64\n";
print "Content-Length: " . $size . "\n\n";
print "-----BEGIN CERTIFICATE-----\n";
foreach (@cert) { chomp; print"$_\n"; }
print "-----END CERTIFICATE-----\n";

# End of File