Package org.bouncycastle.mls.TreeKEM

Class TreeKEMPublicKey

java.lang.Object

org.bouncycastle.mls.TreeKEM.TreeKEMPublicKey

All Implemented Interfaces:

MLSInputStream.Readable, MLSOutputStream.Writable

public class TreeKEMPublicKey
extends Object
implements MLSInputStream.Readable, MLSOutputStream.Writable

Constructor Summary

Constructors

Constructor	Description
TreeKEMPublicKey(MLSInputStream stream)
TreeKEMPublicKey(MlsCipherSuite suite)

Method Summary

Modifier and Type	Method	Description
LeafIndex	addLeaf(LeafNode leaf)
LeafIndex	allocateLeaf()
void	blankPath(LeafIndex index)
static TreeKEMPublicKey	clone(TreeKEMPublicKey other)
String	dump()
String	dumpHashes()
UpdatePath	encap(TreeKEMPrivateKey priv, byte[] context, List<LeafIndex> except)
int	find(LeafNode leaf)
protected org.bouncycastle.mls.TreeKEM.FilteredDirectPath	getFilteredCommonDirectPath(LeafIndex leaf1, LeafIndex leaf2)
protected org.bouncycastle.mls.TreeKEM.FilteredDirectPath	getFilteredDirectPath(NodeIndex index)
byte[]	getHash(NodeIndex index)
LeafNode	getLeafNode(LeafIndex index)
byte[]	getRootHash()
TreeSize	getSize()
MlsCipherSuite	getSuite()
boolean	hasLeaf(LeafIndex index)
void	merge(LeafIndex from, UpdatePath path)
ArrayList<NodeIndex>	resolve(NodeIndex index)
void	setHashAll()
void	setSuite(MlsCipherSuite suite)
void	truncate()
TreeKEMPrivateKey	update(LeafIndex from, Secret leafSecret, byte[] groupId, byte[] sigPriv, Group.LeafNodeOptions options)
void	updateLeaf(LeafIndex index, LeafNode leaf)
boolean	verifyParentHash()
boolean	verifyParentHash(LeafIndex from, UpdatePath path)
void	writeTo(MLSOutputStream stream)

Methods inherited from class java.lang.Object

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

Constructor Details

TreeKEMPublicKey

public TreeKEMPublicKey(MlsCipherSuite suite)
                 throws IOException

Throws:

IOException

TreeKEMPublicKey

public TreeKEMPublicKey(MLSInputStream stream)
                 throws IOException

Throws:

IOException

Method Details

getSuite

public MlsCipherSuite getSuite()

getSize

public TreeSize getSize()

clone

public static TreeKEMPublicKey clone(TreeKEMPublicKey other)
                              throws IOException

Throws:

IOException

writeTo

public void writeTo(MLSOutputStream stream)
             throws IOException

Specified by:

writeTo in interface MLSOutputStream.Writable

Throws:

IOException

setSuite

public void setSuite(MlsCipherSuite suite)

dumpHashes

public String dumpHashes()

dump

public String dump()

update

public TreeKEMPrivateKey update(LeafIndex from,
 Secret leafSecret,
 byte[] groupId,
 byte[] sigPriv,
 Group.LeafNodeOptions options)
                         throws Exception

Throws:

Exception

encap

public UpdatePath encap(TreeKEMPrivateKey priv,
 byte[] context,
 List<LeafIndex> except)
                 throws Exception

Throws:

Exception

getRootHash

public byte[] getRootHash()
                   throws Exception

Throws:

Exception

merge

public void merge(LeafIndex from,
 UpdatePath path)
           throws Exception

Throws:

Exception

find

public int find(LeafNode leaf)

hasLeaf

public boolean hasLeaf(LeafIndex index)

getFilteredCommonDirectPath

protected org.bouncycastle.mls.TreeKEM.FilteredDirectPath getFilteredCommonDirectPath(LeafIndex leaf1,
 LeafIndex leaf2)
                                                                               throws Exception

Throws:

Exception

getFilteredDirectPath

protected org.bouncycastle.mls.TreeKEM.FilteredDirectPath getFilteredDirectPath(NodeIndex index)
                                                                         throws Exception

Throws:

Exception

getLeafNode

public LeafNode getLeafNode(LeafIndex index)

resolve

public ArrayList<NodeIndex> resolve(NodeIndex index)

allocateLeaf

public LeafIndex allocateLeaf()

addLeaf

public LeafIndex addLeaf(LeafNode leaf)

updateLeaf

public void updateLeaf(LeafIndex index,
 LeafNode leaf)

blankPath

public void blankPath(LeafIndex index)

truncate

public void truncate()

setHashAll

public void setHashAll()
                throws IOException

Throws:

IOException

verifyParentHash

public boolean verifyParentHash(LeafIndex from,
 UpdatePath path)
                         throws Exception

Throws:

Exception

verifyParentHash

public boolean verifyParentHash()
                         throws IOException

Throws:

IOException

getHash

public byte[] getHash(NodeIndex index)
               throws IOException

Throws:

IOException