GroupCipher 0.81.0 API

All Implemented Interfaces:
```
public class GroupCipher

                    
```
The main entry point for Signal Protocol group encrypt/decrypt operations.
Once a session has been established with and a has been distributed to each member of the group, this class can be used for all subsequent encrypt/decrypt operations within that session (ie: until group membership changes).
This class is not thread-safe.

Author:

Moxie Marlinspike

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description

Field Summary

Fields
Modifier and Type	Field	Description

Constructor Summary

Constructors
Constructor	Description
`GroupCipher(SenderKeyStore senderKeyStore, SignalProtocolAddress sender)`

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`CiphertextMessage`	`encrypt(UUID distributionId, Array<byte> paddedPlaintext)`	Encrypt a message.
`Array<byte>`	`decrypt(Array<byte> senderKeyMessageBytes)`	Decrypt a SenderKey group message.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - GroupCipher
```
GroupCipher(SenderKeyStore senderKeyStore, SignalProtocolAddress sender)
```
- Method Detail
  - encrypt
```
 CiphertextMessage encrypt(UUID distributionId, Array<byte> paddedPlaintext)
```
    Encrypt a message.
    
    Parameters:
    
    paddedPlaintext - The plaintext message bytes, optionally padded.
    
    Returns:
    
    Ciphertext.
  - decrypt
```
 Array<byte> decrypt(Array<byte> senderKeyMessageBytes)
```
    Decrypt a SenderKey group message.
    
    Parameters:
    
    senderKeyMessageBytes - The received ciphertext.
    
    Returns:
    
    Plaintext