/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
module com { module sun { module star { module packages {
/** Allows to transparently plug-in crypto for PackageStreams.
@ since LibreOffice 7 . 0
*/
interface XPackageEncryption: com::sun::star::uno::XInterface
{
/** Read package crypto information
@ param rStreams
Substreams of the package ( in the case of MS encryption , those
are OLE substorage streams ) .
@ returns
True if crypto info could be retrieved , and engine initialised . False otherwise .
*/
boolean readEncryptionInfo([in] sequence < com::sun::star::beans::NamedValue > rStreams);
/** Set or refresh encryption key
@ param rPassword
Optional password to use for generating encryption key .
@ returns
True if key setup was successful . False otherwise .
*/
boolean generateEncryptionKey([in] string rPassword);
/** Decrypt document content
After crypto setup via readEncryptionInfo ( ) , pipe package bits through
encryption engine .
@ param rxInputStream
Input data ( encrypted )
@ param rxOutputStream
Output data ( decrypted )
@ returns
True if decryption finished without error . False otherwise .
*/
boolean decrypt([in] com::sun::star::io::XInputStream rxInputStream,
[out] com::sun::star::io::XOutputStream rxOutputStream);
/** Create key-value list of encryption meta data
After generateEncryptionKey ( ) succeeded in setting up crypto ,
use this method to create requisite meta data . Depending on
underlying crypto , this can be a salt , init vector , or other
algorithm - specific information that needs to be stored
alongside an encrypted document
@ param rPassword
Same password as provided to generateEncryptionKey
@ returns
Sequence of opaque key - value pairs needed for decrypting this
setup . Can be passed back into other instances of this service
via setupEncryption ( )
*/
sequence<com::sun::star::beans::NamedValue> createEncryptionData([in] string rPassword);
/** Set key-value list of encryption meta data
Use this method to setup requisite encryption meta
data . Depending on the underlying crypto , this can be a salt , init
vector , or other algorithm - specific information that needs to
be stored alongside an encrypted document
@ returns
True if encryption algo setup finished without error . False otherwise .
*/
boolean setupEncryption([in] sequence<com::sun::star::beans::NamedValue> rMediaEncData);
/** Encrypt given stream
After setting up crypto via setupEncryption ( ) , use this method to encrypt content .
@ returns
Sequence of named output streams , specific to the crypto
provider . The names of sequence entry denote the substream
identifiers , if any . In the case of MS OLE storage , it ' s the
substorage names .
*/
sequence<com::sun::star::beans::NamedValue> encrypt([in] com::sun::star::io::XInputStream rxInputStream);
/** Check if decryption meta data is valid
Some implementations might for example check HMAC values
here . Call this before trusting encrypted data .
@ returns
True if decryption algo setup finished without error and
consistency checks have passed . False otherwise .
*/
boolean checkDataIntegrity();
};
}; }; }; };
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=93 H=95 G=93
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-10-12)
¤
*© Formatika GbR, Deutschland