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Support for an 'end session' protocol message.

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1) On the push side, this message is a flag in PushMessageContent.
   Any secure message with that flag will terminate the current
   sessin.

2) On the SMS side, there is an "end session" wire type and
   the convention that a message with this wire type must be
   secure and contain the string "TERMINATE."
This commit is contained in:
Moxie Marlinspike
2014-02-19 13:46:49 -08:00
parent 0688dd0c2c
commit 19dddd7adf
32 changed files with 400 additions and 84 deletions
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11
library/src/org/whispersystems/textsecure/util/Util.java
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@@ -13,6 +13,7 @@ import java.io.InputStream;
import java.io.OutputStream;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.text.ParseException;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
@@ -45,7 +46,15 @@ public class Util {
return parts;
}
public static byte[][] split(byte[] input, int firstLength, int secondLength, int thirdLength) {
public static byte[][] split(byte[] input, int firstLength, int secondLength, int thirdLength)
throws ParseException
{
if (input == null || firstLength < 0 || secondLength < 0 || thirdLength < 0 ||
input.length < firstLength + secondLength + thirdLength)
{
throw new ParseException("Input too small: " + (input == null ? null : Hex.toString(input)), 0);
}
byte[][] parts = new byte[3][];
parts[0] = new byte[firstLength];