net.sourceforge.plantuml.argon2.blake2

Class Blake2b.Tree

java.lang.Object

net.sourceforge.plantuml.argon2.blake2.Blake2b.Tree

Enclosing interface:

Blake2b

public static class Blake2b.Tree
extends java.lang.Object

Note that Tree is just a convenience class; incremental hash (tree) can be done directly with the Digest class.
Further node, that tree does NOT accumulate the leaf hashes -- you need to do that

Constructor Summary

Constructors

Constructor and Description
Tree(int depth, int fanout, int leaf_length, int inner_length, int digest_length)

Method Summary

Modifier and Type	Method and Description
Blake2b.Digest	getNode(int depth, int offset) returns the Digest for tree node @ (depth, offset)
Blake2b.Digest	getRoot() returns the Digest for root node

Methods inherited from class java.lang.Object

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

Constructor Detail

Tree

public Tree(int depth,
            int fanout,
            int leaf_length,
            int inner_length,
            int digest_length)

Parameters:

fanout -

depth -

leaf_length - size of data input for leaf nodes.

inner_length - note this is used also as digest-length for non-root nodes.

digest_length - final hash out digest-length for the tree

Method Detail

getNode

public final Blake2b.Digest getNode(int depth,
                                    int offset)

returns the Digest for tree node @ (depth, offset)

getRoot

public final Blake2b.Digest getRoot()

returns the Digest for root node