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<?
// Copyright (c) 2008 Joey Schulze <joey@infodrom.org>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
require_once 'Crypt/GPG.php';
function gpg_create($info)
{
if (!array_key_exists('name', $info) || !array_key_exists('pass', $info))
return false;
if (!array_key_exists('type', $info)) $info['type'] = 'RSA';
if (!array_key_exists('length', $info)) $info['length'] = 2048;
if (!array_key_exists('sublength', $info)) $info['sublength'] = 2048;
if (!array_key_exists('mail', $info)) $info['mail'] = 'root@localhost';
if (($tmpname = tempnam('/tmp', 'gpg')) === false)
return false;
if (($output = tempnam('/tmp', 'gpg')) === false)
return false;
if (($f = fopen($tmpname, "w")) === false) {
unlink($tmpname);
return false;
}
fwrite($f, sprintf("Key-Type: %s\n", $info['type']));
fwrite($f, sprintf("Key-Length: %d\n", $info['length']));
fwrite($f, "Subkey-Type: ELG-E\n");
fwrite($f, sprintf("Subkey-Length: %d\n", $info['sublength']));
fwrite($f, sprintf("Name-Real: %s\n", $info['name']));
fwrite($f, sprintf("Name-Email: %s\n", $info['mail']));
fwrite($f, "Expire-Date: 0\n");
fwrite($f, sprintf("Passphrase: %s\n", $info['pass']));
fwrite($f, "%commit\n");
fclose($f);
if (system("gpg --batch --gen-key $tmpname > /dev/null 2> $output") === false) {
unlink($tmpname);
unlink($output);
return false;
}
if (($f = fopen($output, "r")) === false) {
unlink($tmpname);
unlink($output);
return false;
}
$key = '';
while (!feof($f)) {
$line = fgets($f, 500);
echo $line."\n";
if (preg_match('/^gpg: key ([0-9A-F]{8}) .*/', $line, $matches) > 0) {
$key = $matches[1];
}
}
fclose($f);
system("gpg --update-trustdb 2> /dev/null");
unlink($tmpname);
return $key;
}
# // Neuen Schlüssel erzeugen
# $r = gpg_create(array('name' => 'Real Name',
# 'mail' => 'user@doma.in',
# #'length' => 2048,
# #'sublength' => 2048,
# 'pass' => 'Passphrase'));
#
# // encrypt something
# $gpg = new Crypt_GPG();
# $gpg->addEncryptKey('0xB62F3700');
# $gpg->encryptFile('/tmp/OT16752740690.ps', 'OT16752740690.ps.gpg', false);
// decrypt file
$gpg = new Crypt_GPG();
$gpg->addDecryptKey('0xB62F3700', 'Passphrase');
$gpg->decryptFile('OT16752740690.ps.gpg', 'decoded.ps');
# // encrypt and decrypt text
# $clear = "Ein geheimer Text";
# printf("%s\n", $clear);
# $gpg = new Crypt_GPG();
# $gpg->addEncryptKey('0xB62F3700');
# $enc = $gpg->encrypt($clear);
# printf("%s\n", $enc);
# $gpg->addDecryptKey('0xB62F3700', 'Passphrase');
# $dec = $gpg->decrypt($enc);
# printf("%s\n", $dec);
?>
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