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comparison app/src/main/java/net/sourceforge/jsocks/UDPEncapsulation.java @ 438:d29cce60f393

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migrate from Eclipse to Android Studio
author Carl Byington <carl@five-ten-sg.com>
date Thu, 03 Dec 2015 11:23:55 -0800
parents src/net/sourceforge/jsocks/UDPEncapsulation.java@205ee2873330
children
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437:208b31032318 438:d29cce60f393
1 package net.sourceforge.jsocks;
2 /**
3 This interface provides for datagram encapsulation for SOCKSv5 protocol.
4 <p>
5 SOCKSv5 allows for datagrams to be encapsulated for purposes of integrity
6 and/or authenticity. How it should be done is aggreed during the
7 authentication stage, and is authentication dependent. This interface is
8 provided to allow this encapsulation.
9 @see Authentication
10 */
11 public interface UDPEncapsulation{
12
13 /**
14 This method should provide any authentication depended transformation
15 on datagrams being send from/to the client.
16
17 @param data Datagram data (including any SOCKS related bytes), to be
18 encapsulated/decapsulated.
19 @param out Wether the data is being send out. If true method should
20 encapsulate/encrypt data, otherwise it should decapsulate/
21 decrypt data.
22 @throw IOException if for some reason data can be transformed correctly.
23 @return Should return byte array containing data after transformation.
24 It is possible to return same array as input, if transformation
25 only involves bit mangling, and no additional data is being
26 added or removed.
27 */
28 byte[] udpEncapsulate(byte[] data, boolean out) throws java.io.IOException;
29 }