PHP Classes

File: gnuPG_example.php

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  Classes of Enrique Garcia M.   gnuPG class   gnuPG_example.php   Download  
File: gnuPG_example.php
Role: Example script
Content type: text/plain
Description: The example file, show every method.
Class: gnuPG class
Encrypt data and manipulate keys using gnuPG
Author: By
Last change: Changed the License to GNU LGPL
Date: 19 years ago
Size: 4,706 bytes
 

Contents

Class file image Download
<?php
/**
 * Case use of gnuPG class.
 *
 * @author Enrique Garcia Molina <egarcia@egm.as>
 * @copyright (c) 2004-2005 EGM :: Ingenieria sin fronteras
 * @since Viernes, Enero 30, 2004
 * @license GNU LGPL (http://www.gnu.org/copyleft/lesser.html)
 * @version $Id: gnuPG_example.php,v 1.0.7 2005-04-24 07:18:00-05 egarcia Exp $
 */

require('gnuPG_class.inc');

// create the instance, giving the program path and home directory
$gpg = new gnuPG('C:\gnupg\gpg', 'C:\gnupg');

// get the keys in the keyring
$Keys = $gpg->ListKeys('public');
if (
is_array($Keys)) {
   
// show all the keys
   
print_r($Keys);
   
   
// export the first key in the keyring
   
$PublicBlock = $gpg->Export($Keys[0]['KeyID']);
    if (
$PublicBlock) {
       
// show the key exported
       
echo "The KEY BLOCK for {$Keys[0]['UserID']} is:\n\n";
        echo
$PublicBlock . "\n";
    } else
        echo
$gpg->error . "\n";
} else
    echo
$gpg->error . "\n";

// import a dummy key
$PublicBlock = "-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1.2.4 (MingW32)

mQGiBEDkScoRBACQtBkECbyk7zujxRTnGGh0QtdM3lxRTU5gkCf20PT6mMCnY/9t
nuCd1+eD7YEeu5hi/PAkhDr2mLSm1k3HnDofHMSK7YXL8wbiAS0+31YCoBQfKpvs
i+PDxglOkey243zTOxdqHUV7JZXouxeFnwGH7to01wCNmOyOx/fYQ3NrzwCgxsvU
Om15U9tsHvhy4jhFCE7x11ED/iua9KxoHIWFFKwEt61PW91cqpwJfwuHXKSN154R
rvt5UAp0HI95J1iHA1VrKaOPpAn579PdQVlgHoDRZJquTnKFrV/lzRdxTXwEUJtC
8NJAWL/xSMtK4LoGzFIz4fO11HPE0Zuo+BNIE3DdZ0/XwTjM+EG+lExFHFlhRAUo
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OQ0mLFIU0xzJRccaHqflR9pwfaapC+CeMlJmqt4ut3Gfi+U+VoceZzdOv/GQm3vJ
rzYcHkHzQdDW4CDMlyMh9HXg1udShY8QNEBXwWpr+FdkNd4loOOwOqG1P8iQGDRi
LIZs/wx6oNCu7qDFdNAwVfJyNV6IRgQYEQIABgUCQORJywAKCRBkCEkst64FVGzT
AJ9xbE3mbE8fTdXAjBSya8aTsvSolwCffsjbB28c+M2epSVaZtVA/qRwdrs=
=BfWQ
-----END PGP PUBLIC KEY BLOCK-----"
;
$Imported_Keys = $gpg->Import($PublicBlock);
if (
$Imported_Keys) {
   
// show each of the imported keys
   
foreach($Imported_Keys as $KeyID) {
        echo
"The key {$KeyID['KeyID']}, {$KeyID['UserID']} was sucessfuly imported!!!\n";
    }
} else
    echo
$gpg->error . "\n";

// generate a new key with out expiration
$GeneratedKey = $gpg->GenKey('Test Key', 'This is a dummy key', 'user@domain.com', '123456');
if (
$GeneratedKey) {
    if (
$GeneratedKey === true) {
       
// get the all keys
       
$Keys = $gpg->ListKeys('public');
       
       
// the last key is the generated key
       
$i = count($Keys) - 1;
       
$GeneratedKey = $Keys[$i]['KeyID'];
        echo
"The new key was created with KeyID = $GeneratedKey!!!\n";
    } else
        echo
"The new key was created with Fingerprint = $GeneratedKey!!!\n";
   
   
// use the last key to sign the imported keys
   
if ($Imported_Keys) {
        foreach(
$Imported_Keys as $KeyID) {
            if (
$gpg->SignKey($GeneratedKey, '123456', $KeyID['KeyID'], 3))
                echo
"The Key {$KeyID['KeyID']} was sucessfuly signed by $GeneratedKey!!!\n";
            else
                echo
$gpg->error . "\n";
        }
    }
   
   
// use the last key to encrypt
   
$PublicBlock = $gpg->Encrypt($GeneratedKey, '123456', $GeneratedKey, 'This is a success test!!!');
    if (
$PublicBlock) {
       
// show the encrypted text
       
echo "The ENCRYPTED TEXT BLOCK is:\n\n";
        echo
$PublicBlock . "\n";
       
       
// now shows the decrypted text
       
$PublicBlock = $gpg->Decrypt($GeneratedKey, '123456', $PublicBlock);
        if (
$PublicBlock) {
            echo
"The DECRYPTED TEXT is:\n\n";
            echo
$PublicBlock . "\n";
        } else
            echo
$gpg->error . "\n";
    } else
        echo
$gpg->error . "\n";
} else
    echo
$gpg->error . "\n";

//
// CLEAN PROCESS
//
// now delete the imported keys
if ($Imported_Keys) {
    foreach(
$Imported_Keys as $KeyID) {
        if (
$gpg->DeleteKey($KeyID['KeyID']) === true)
            echo
"The imported key {$KeyID['KeyID']} was deleted from the keyring\n";
        else
            echo
$gpg->error . "\n";
    }
}

// now delete the generated key
if ($GeneratedKey) {
    if (
$gpg->DeleteKey($GeneratedKey, 'secret') === true) {
        echo
"The secret key for $GeneratedKey was deleted from the keyring\n";
        if (
$gpg->DeleteKey($GeneratedKey) === true)
            echo
"The public key for $GeneratedKey was deleted from the keyring\n";
        else
            echo
$gpg->error . "\n";
    } else
        echo
$gpg->error . "\n";
}

?>