net.tomp2p.connection

Class DSASignatureFactory

java.lang.Object

net.tomp2p.connection.DSASignatureFactory

All Implemented Interfaces:

Serializable, SignatureFactory

public class DSASignatureFactory
extends Object
implements SignatureFactory

The default signature is done with SHA1withDSA.

Author:

Thomas Bocek

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DSASignatureFactory()

Method Summary

Methods

Modifier and Type	Method and Description
PublicKey	decodePublicKey(byte[] me) The public key is sent over the wire, thus the decoding of it needs special handling.
PublicKey	decodePublicKey(io.netty.buffer.ByteBuf buf)
void	encodePublicKey(PublicKey publicKey, io.netty.buffer.ByteBuf buf)
SignatureCodec	sign(PrivateKey privateKey, io.netty.buffer.ByteBuf buf)
SignatureCodec	signatureCodec()
Signature	update(PublicKey receivedPublicKey, ByteBuffer[] byteBuffers)
boolean	verify(PublicKey publicKey, io.netty.buffer.ByteBuf buf, SignatureCodec signatureEncoded)

Methods inherited from class java.lang.Object

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

Constructor Detail

DSASignatureFactory

public DSASignatureFactory()

Method Detail

decodePublicKey

public PublicKey decodePublicKey(byte[] me)

Description copied from interface: SignatureFactory

The public key is sent over the wire, thus the decoding of it needs special handling.

Specified by:

decodePublicKey in interface SignatureFactory

Parameters:

me - The byte array that contains the public key

Returns:

The decoded public key

decodePublicKey

public PublicKey decodePublicKey(io.netty.buffer.ByteBuf buf)

Specified by:

decodePublicKey in interface SignatureFactory

encodePublicKey

public void encodePublicKey(PublicKey publicKey,
                   io.netty.buffer.ByteBuf buf)

Specified by:

encodePublicKey in interface SignatureFactory

sign

public SignatureCodec sign(PrivateKey privateKey,
                  io.netty.buffer.ByteBuf buf)
                    throws InvalidKeyException,
                           SignatureException,
                           IOException

Specified by:

sign in interface SignatureFactory

Throws:

InvalidKeyException

SignatureException

IOException

verify

public boolean verify(PublicKey publicKey,
             io.netty.buffer.ByteBuf buf,
             SignatureCodec signatureEncoded)
               throws SignatureException,
                      InvalidKeyException,
                      IOException

Specified by:

verify in interface SignatureFactory

Throws:

SignatureException

InvalidKeyException

IOException

update

public Signature update(PublicKey receivedPublicKey,
               ByteBuffer[] byteBuffers)
                 throws InvalidKeyException,
                        SignatureException

Specified by:

update in interface SignatureFactory

Throws:

InvalidKeyException

SignatureException

signatureCodec

public SignatureCodec signatureCodec()

Specified by:

signatureCodec in interface SignatureFactory