org.mpisws.p2p.transport.peerreview.history.hasher
Class SHA1HashProvider

java.lang.Object
  org.mpisws.p2p.transport.peerreview.history.hasher.SHA1HashProvider

All Implemented Interfaces:

HashProvider

public class SHA1HashProvider
extends java.lang.Object
implements HashProvider

Constructor Summary

SHA1HashProvider()

Method Summary

byte[]	getEmptyHash()
short	getHashSizeBytes()
byte[]	hash(java.nio.ByteBuffer... hashMe)
byte[]	hash(long seq, short type, byte[] nodeHash, byte[] contentHash)

Methods inherited from class java.lang.Object

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

Constructor Detail

SHA1HashProvider

public SHA1HashProvider()
                 throws java.security.NoSuchAlgorithmException

Throws:

java.security.NoSuchAlgorithmException

Method Detail

getEmptyHash

public byte[] getEmptyHash()

Specified by:

getEmptyHash in interface HashProvider

getHashSizeBytes

public short getHashSizeBytes()

Specified by:

getHashSizeBytes in interface HashProvider

hash

public byte[] hash(long seq,
                   short type,
                   byte[] nodeHash,
                   byte[] contentHash)

Specified by:

hash in interface HashProvider

hash

public byte[] hash(java.nio.ByteBuffer... hashMe)

Specified by:

hash in interface HashProvider