62 lines
2.1 KiB
Java
62 lines
2.1 KiB
Java
/**
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*
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* Copyright 2017 Paul Schaub
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.omemo.util;
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/**
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* Some constants related to OMEMO.
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*
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* @author Paul Schaub
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*/
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public final class OmemoConstants {
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/**
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* Omemo related namespace.
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*/
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public static final String OMEMO_NAMESPACE_V_AXOLOTL = "eu.siacs.conversations.axolotl";
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public static final String OMEMO = "OMEMO";
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// PubSub Node names
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public static final String PEP_NODE_DEVICE_LIST = OMEMO_NAMESPACE_V_AXOLOTL + ".devicelist";
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public static final String PEP_NODE_BUNDLES = OMEMO_NAMESPACE_V_AXOLOTL + ".bundles";
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/**
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* How many preKeys do we want to publish?
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*/
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public static final int PRE_KEY_COUNT_PER_BUNDLE = 100;
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/**
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* Return the node name of the PEP node containing the device bundle of the device with device id deviceId.
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*
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* @param deviceId id of the device
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* @return node name of the devices bundle node
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*/
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public static String PEP_NODE_BUNDLE_FROM_DEVICE_ID(int deviceId) {
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return PEP_NODE_BUNDLES + ":" + deviceId;
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}
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public static final String BODY_OMEMO_HINT = "I sent you an OMEMO encrypted message but your client doesn't seem to support that. Find more information on https://conversations.im/omemo";
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/**
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* Information about the keys used for message encryption.
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*/
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public static final class Crypto {
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public static final String KEYTYPE = "AES";
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public static final int KEYLENGTH = 128;
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public static final String CIPHERMODE = "AES/GCM/NoPadding";
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}
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}
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