Package org.spongycastle.mls

Class GroupKeySet

java.lang.Object

org.spongycastle.mls.GroupKeySet

public class GroupKeySet
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	GroupKeySet.HashRatchet
class	GroupKeySet.SecretTree

Field Summary

Fields

Modifier and Type	Field	Description
GroupKeySet.SecretTree	secretTree

Constructor Summary

Constructors

Constructor	Description
GroupKeySet(MlsCipherSuite suite, TreeSize treeSize, Secret encryptionSecret)

Method Summary

Modifier and Type	Method	Description
GroupKeySet.HashRatchet	applicationRatchet(LeafIndex sender)
boolean	equals(Object o)
void	erase(ContentType contentType, LeafIndex sender, int generation)
KeyGeneration	get(ContentType contentType, LeafIndex sender, byte[] reuseGuard)
KeyGeneration	get(ContentType contentType, LeafIndex sender, int generation, byte[] reuseGuard)
GroupKeySet.HashRatchet	handshakeRatchet(LeafIndex sender)
boolean	hasLeaf(LeafIndex sender)

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

secretTree

public GroupKeySet.SecretTree secretTree

Constructor Details

GroupKeySet

public GroupKeySet(MlsCipherSuite suite,
 TreeSize treeSize,
 Secret encryptionSecret)
            throws IOException,
IllegalAccessException

Throws:

IOException

IllegalAccessException

Method Details

equals

public boolean equals(Object o)

Overrides:

equals in class Object

get

public KeyGeneration get(ContentType contentType,
 LeafIndex sender,
 int generation,
 byte[] reuseGuard)
                  throws IOException,
IllegalAccessException

Throws:

IOException

IllegalAccessException

get

public KeyGeneration get(ContentType contentType,
 LeafIndex sender,
 byte[] reuseGuard)
                  throws IOException,
IllegalAccessException

Throws:

IOException

IllegalAccessException

erase

public void erase(ContentType contentType,
 LeafIndex sender,
 int generation)
           throws IOException,
IllegalAccessException

Throws:

IOException

IllegalAccessException

handshakeRatchet

public GroupKeySet.HashRatchet handshakeRatchet(LeafIndex sender)
                                         throws IOException,
IllegalAccessException

Throws:

IOException

IllegalAccessException

applicationRatchet

public GroupKeySet.HashRatchet applicationRatchet(LeafIndex sender)
                                           throws IOException,
IllegalAccessException

Throws:

IOException

IllegalAccessException

hasLeaf

public boolean hasLeaf(LeafIndex sender)