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Code: Alles auswählen

			if ( $encrypt )
			{
				srand((double) microtime() * 1000000);
				$cipher_alg = MCRYPT_RIJNDAEL_256;
				$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
				$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
				$key = "This is a very secret key";
				$encrypted_message = str_replace("\\\"", "\"", $privmsg_message);
				$encrypted_message = str_replace("\\'", "'", $encrypted_message);
				$encrypted_message = str_replace("\\\\", "\\", $encrypted_message);
				$encrypted_message = bin2hex(mcrypt_encrypt($cipher_alg, $encryption_key, $encrypted_message, MCRYPT_MODE_CFB, "$iv"));
				$encrypted_message = wordwrap($encrypted_message, 80, "<br />", 1);
				$encrypted_message = "<b>Um diese verschl&uuml;sselte Nachricht zu lesen, gebe das Passwort unten rechts ein und klicke dann auf den Button \"Nachricht entschl&uuml;sseln\":</b>\n\n" . $encrypted_message;
				$sql = "INSERT INTO " . PRIVMSGS_TEXT_TABLE . " (privmsgs_text_id, privmsgs_bbcode_uid, privmsgs_text)
					VALUES ($privmsg_sent_id, '" . $bbcode_uid . "', '" . $encrypted_message . "')";
			}

Code: Alles auswählen

	if ( $decrypt )
	{
		if ( ! empty($encryption_key) )
		{
			srand((double) microtime() * 1000000);
			$cipher_alg = MCRYPT_RIJNDAEL_256;
			$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
			$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
			$key = "This is a very secret key";
			$decrypted_message = str_replace("<b>Um diese verschl&uuml;sselte Nachricht zu lesen, gebe das Passwort unten rechts ein und klicke dann auf den Button \"Nachricht entschl&uuml;sseln\":</b>\n\n", "", $private_message);
			$decrypted_message = str_replace("<br />", "", $decrypted_message);
			$decrypted_message = trim(mcrypt_decrypt($cipher_alg, $encryption_key, pack("H*", $decrypted_message), MCRYPT_MODE_CFB, "$iv"));
			$decrypted_message = stripslashes($decrypted_message);
			$private_message = str_replace("\r\n", "<br />", $decrypted_message);
			$decrypted_message = str_replace("\"", """, $decrypted_message);
			$decrypted_message = stripslashes($decrypted_message);
		}
		else if ( empty($encryption_key) )
		{
			$error = TRUE;
			$error_msg .= ( ( !empty($error_msg) ) ? '<br />' : '' ) . $lang['Empty_decryption_key'];

			$template->set_filenames(array(
				'reg_header' => 'error_body.tpl')
			);
			$template->assign_vars(array(
				'ERROR_MESSAGE' => $error_msg)
			);
			$template->assign_var_from_handle('ERROR_BOX', 'reg_header');
		}
	}