/*
* Copyright 2013 bits of proof zrt.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.bitsofproof.supernode.common;
import org.bouncycastle.util.Arrays;
import com.bitsofproof.supernode.api.Address;
public class ECPublicKey implements Key
{
private byte[] pub;
private boolean compressed;
public ECPublicKey (byte[] pub, boolean compressed)
{
this.pub = pub;
this.compressed = compressed;
}
@Override
public boolean isCompressed ()
{
return compressed;
}
public void setCompressed (boolean compressed)
{
this.compressed = compressed;
}
@Override
public Address getAddress ()
{
try
{
return new Address (Address.Type.COMMON, Hash.keyHash (pub));
}
catch ( ValidationException e )
{
return null;
}
}
@Override
public ECPublicKey clone () throws CloneNotSupportedException
{
ECPublicKey c = (ECPublicKey) super.clone ();
c.pub = Arrays.clone (pub);
return c;
}
@Override
public byte[] getPrivate ()
{
return null;
}
@Override
public byte[] getPublic ()
{
return Arrays.clone (pub);
}
@Override
public byte[] sign (byte[] data) throws ValidationException
{
throw new ValidationException ("Can not sign with public key");
}
@Override
public boolean verify (byte[] hash, byte[] signature)
{
return ECKeyPair.verify (hash, signature, pub);
}
@Override
public Key getReadOnly ()
{
return this;
}
}