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enigma_driver.php
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enigma_driver.php
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<?php
/**
+-------------------------------------------------------------------------+
| Abstract driver for the Enigma Plugin |
| |
| Copyright (C) The Roundcube Dev Team |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
+-------------------------------------------------------------------------+
| Author: Aleksander Machniak <alec@alec.pl> |
+-------------------------------------------------------------------------+
*/
abstract class enigma_driver
{
/**
* Class constructor.
*
* @param string User name (email address)
*/
abstract function __construct($user);
/**
* Driver initialization.
*
* @return mixed NULL on success, enigma_error on failure
*/
abstract function init();
/**
* Encryption (and optional signing).
*
* @param string Message body
* @param array List of keys (enigma_key objects)
* @param enigma_key Optional signing Key ID
*
* @return mixed Encrypted message or enigma_error on failure
*/
abstract function encrypt($text, $keys, $sign_key = null);
/**
* Decryption (and sig verification if sig exists).
*
* @param string Encrypted message
* @param array List of key-password
* @param enigma_signature Signature information (if available)
*
* @return mixed Decrypted message or enigma_error on failure
*/
abstract function decrypt($text, $keys = array(), &$signature = null);
/**
* Signing.
*
* @param string Message body
* @param enigma_key The signing key
* @param int Signing mode (enigma_engine::SIGN_*)
*
* @return mixed True on success or enigma_error on failure
*/
abstract function sign($text, $key, $mode = null);
/**
* Signature verification.
*
* @param string Message body
* @param string Signature, if message is of type PGP/MIME and body doesn't contain it
*
* @return mixed Signature information (enigma_signature) or enigma_error
*/
abstract function verify($text, $signature);
/**
* Key/Cert file import.
*
* @param string File name or file content
* @param bolean True if first argument is a filename
* @param array Optional key => password map
*
* @return mixed Import status array or enigma_error
*/
abstract function import($content, $isfile = false, $passwords = array());
/**
* Key/Cert export.
*
* @param string Key ID
* @param bool Include private key
* @param array Optional key => password map
*
* @return mixed Key content or enigma_error
*/
abstract function export($key, $with_private = false, $passwords = array());
/**
* Keys listing.
*
* @param string Optional pattern for key ID, user ID or fingerprint
*
* @return mixed Array of enigma_key objects or enigma_error
*/
abstract function list_keys($pattern = '');
/**
* Single key information.
*
* @param string Key ID, user ID or fingerprint
*
* @return mixed Key (enigma_key) object or enigma_error
*/
abstract function get_key($keyid);
/**
* Key pair generation.
*
* @param array Key/User data (name, email, password, size)
*
* @return mixed Key (enigma_key) object or enigma_error
*/
abstract function gen_key($data);
/**
* Key deletion.
*
* @param string Key ID
*
* @return mixed True on success or enigma_error
*/
abstract function delete_key($keyid);
/**
* Returns a name of the hash algorithm used for the last
* signing operation.
*
* @return string Hash algorithm name e.g. sha1
*/
abstract function signature_algorithm();
}

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