com.bitsofproof.supernode.api.ECPublicKey.java Source code

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Here is the source code for com.bitsofproof.supernode.api.ECPublicKey.java

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/*
 * 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.api;

import org.bouncycastle.util.Arrays;

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 byte[] getAddress() {
        return Hash.keyHash(pub);
    }

    @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);
    }

}