如何使用GNUPG和Crypt_GPG

时间:2009-09-09 10:05:25

标签: php encryption pear gnupg pgp

我正在尝试使用GNUPG和Crypt_GPG来加密准备通过电子邮件发送到客户端服务器的数据,但我在设置时遇到了问题。

  1. 我在服务器上安装了GNUPG,它运行得很好,位于/home/myserver/.gnupg
  2. 我已将Crypt_GPG安装到/home/myserver/php/Crypt并编辑了各种文件,以便相互进行绝对链接引用。他们工作正常。
  3. 我使用我的服务器CPanel创建测试公钥/密钥。密钥生成正常。
  4. 这是我的测试代码(保留调试模式)

    <?php
    require_once '/home/myserver/php/Crypt/GPG.php';
    
    $gpg = new Crypt_GPG(array('homedir' => '/home/myserver/.gnupg', 'debug' => true));
    echo "My public key is: ", $gpg->exportPublicKey('info@test.co.uk'), "<br>";
    echo "My key fingerprint is: ", $gpg->getFingerprint('info@test.co.uk', Crypt_GPG::FORMAT_CANONICAL), "<br>";
    
    $data = 'Hello, World!';
    $gpg->addSignKey('info@test.co.uk');
    $signedData = $gpg->sign($data, Crypt_GPG::SIGN_MODE_CLEAR);
    echo "<br><br>Clearsigned message is: ", $signedData, "\n";
    
    ?>
    

    第一部分代码效果很好 - 检索,显示公钥并显示指纹。

    问题在于第二块代码 - 实际上是在尝试加密某些东西。我在调试输出中得到这些错误。我不会发布完整的输出(它的大)但我希望这些是重点:

    Crypt_GPG DEBUG: STATUS: GET_HIDDEN passphrase.enter
    Crypt_GPG DEBUG: STATUS: GOT_IT
    Crypt_GPG DEBUG: STATUS: MISSING_PASSPHRASE
    Crypt_GPG DEBUG: STATUS: BAD_PASSPHRASE EEE2DCBB741D9730
    Crypt_GPG DEBUG: STATUS: USERID_HINT EEE2DCBB741D9730 Test Key (Test Key)
    Crypt_GPG DEBUG: STATUS: NEED_PASSPHRASE EEE2DCBB741D9730 EEE2DCBB741D9730 17 0
    Crypt_GPG DEBUG: STATUS: GET_HIDDEN passphrase.enter
    Crypt_GPG DEBUG: => closing GPG input pipe
    Crypt_GPG DEBUG: selecting streams
    Crypt_GPG DEBUG: => got 1
    Crypt_GPG DEBUG: GPG is ready for command data
    Crypt_GPG DEBUG: => about to write 1 bytes to GPG command
    Crypt_GPG DEBUG: => wrote 1
    Crypt_GPG DEBUG: => closing GPG input pipe
    Crypt_GPG DEBUG: selecting streams
    Crypt_GPG DEBUG: => got 1
    Crypt_GPG DEBUG: GPG status stream ready for reading
    Crypt_GPG DEBUG: => about to read 8192 bytes from GPG status
    Crypt_GPG DEBUG: => read 44 bytes
    Crypt_GPG DEBUG: STATUS: GOT_IT
    Crypt_GPG DEBUG: STATUS: MISSING_PASSPHRASE
    Crypt_GPG DEBUG: => closing GPG input pipe
    Crypt_GPG DEBUG: selecting streams
    Crypt_GPG DEBUG: => got 1
    Crypt_GPG DEBUG: GPG status stream ready for reading
    Crypt_GPG DEBUG: => about to read 8192 bytes from GPG status
    Crypt_GPG DEBUG: => read 122 bytes
    Crypt_GPG DEBUG: STATUS: BAD_PASSPHRASE EEE2DCBB741D9730
    

    然后再说:

    Crypt_GPG DEBUG: END PROCESSING
    Crypt_GPG DEBUG: CLOSING SUBPROCESS
    Crypt_GPG DEBUG: => subprocess returned an unexpected exit code: 2
    
    Fatal error: Uncaught <table border="1" cellspacing="0"> <tr><td colspan="3" bgcolor="#ff9999"> <b>Crypt_GPG_BadPassphraseException</b>: Cannot sign data. Incorrect passphrase provided. in <b>/home/myserver/php/Crypt/GPG.php</b> on line <b>1054</b></td></tr> <tr><td colspan="3" bgcolor="#aaaaaa" align="center"><b>Exception trace</b></td></tr> <tr><td align="center" bgcolor="#cccccc" width="20"><b>#</b></td><td align="center" bgcolor="#cccccc"><b>Function</b></td><td align="center" bgcolor="#cccccc"><b>Location</b></td></tr> <tr><td align="center">0</td><td>Crypt_GPG->_sign('Hello, World!', false, null, 2, true)</td><td>/home/myserver/php/Crypt/GPG.php:1054</td></tr> <tr><td align="center">1</td><td>Crypt_GPG->sign('Hello, World!', 2)</td><td>/home/myserver/public_html/email.php:7</td></tr> <tr><td align="center">2</td><td>{main}</td><td>&nbsp;</td></tr> </table> thrown in /home/myserver/php/Crypt/GPG.php on line 1837
    

    对我而言,看起来Crypt_GPG在从GNUPG密钥中选择所需内容时遇到了问题?它似乎正确地找到了密钥,但它随着密码短语而失效。这是我的理解和代码的错误,还是因为CPanel和Apache是​​不同的用户或什么?

    需要一些指导,谢谢;)

1 个答案:

答案 0 :(得分:2)

examples显示如何指定密码:

$gpg->addSignKey('test@example.com', 'test');

查看the documentation了解更多示例。

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