org.bitcoinj.crypto.EncryptedData Maven / Gradle / Ivy
/*
* Copyright 2013 Jim Burton.
*
* Licensed under the MIT license (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://opensource.org/licenses/mit-license.php
*
* 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 org.bitcoinj.crypto;
import com.google.common.base.Objects;
import java.util.Arrays;
/**
* An instance of EncryptedData is a holder for an initialization vector and encrypted bytes. It is typically
* used to hold encrypted private key bytes.
*
* The initialisation vector is random data that is used to initialise the AES block cipher when the
* private key bytes were encrypted. You need these for decryption.
*/
public final class EncryptedData {
public final byte[] initialisationVector;
public final byte[] encryptedBytes;
public EncryptedData(byte[] initialisationVector, byte[] encryptedBytes) {
this.initialisationVector = Arrays.copyOf(initialisationVector, initialisationVector.length);
this.encryptedBytes = Arrays.copyOf(encryptedBytes, encryptedBytes.length);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
EncryptedData other = (EncryptedData) o;
return Arrays.equals(encryptedBytes, other.encryptedBytes) && Arrays.equals(initialisationVector, other.initialisationVector);
}
@Override
public int hashCode() {
return Objects.hashCode(Arrays.hashCode(encryptedBytes), Arrays.hashCode(initialisationVector));
}
@Override
public String toString() {
return "EncryptedData [initialisationVector=" + Arrays.toString(initialisationVector)
+ ", encryptedPrivateKey=" + Arrays.toString(encryptedBytes) + "]";
}
}