org.bouncycastle.tsp.ers

Class BinaryTreeRootCalculator

java.lang.Object

org.bouncycastle.tsp.ers.BinaryTreeRootCalculator

All Implemented Interfaces:

ERSRootNodeCalculator

public class BinaryTreeRootCalculator
extends java.lang.Object
implements ERSRootNodeCalculator

Calculator based on the use of a left weighted binary Merkle tree created on top of the partial hash tree objects provided.

Constructor Summary

Constructors

Constructor and Description
BinaryTreeRootCalculator()

Method Summary

Modifier and Type	Method and Description
byte[]	computeRootHash(org.bouncycastle.operator.DigestCalculator digCalc, org.bouncycastle.asn1.tsp.PartialHashtree[] nodes) Calculate the root hash of the Merkle tree from the partial hash-tree nodes.

Methods inherited from class java.lang.Object

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

Constructor Detail

BinaryTreeRootCalculator

public BinaryTreeRootCalculator()

Method Detail

computeRootHash

public byte[] computeRootHash(org.bouncycastle.operator.DigestCalculator digCalc,
                              org.bouncycastle.asn1.tsp.PartialHashtree[] nodes)

Description copied from interface: ERSRootNodeCalculator

Calculate the root hash of the Merkle tree from the partial hash-tree nodes.

Specified by:

computeRootHash in interface ERSRootNodeCalculator

Parameters:

digCalc - the digest calculator to use.

nodes - the partial hash-trees forming the basis of the Merkle tree.

Returns:

the root hash of the Merkle tree.