org.gradle.api.internalverification.signatures.PublicKeySerializer Maven / Gradle / Ivy
/*
* Copyright 2019 the original author or authors.
*
* 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 org.gradle.api.internal.artifacts.verification.signatures;
import org.bouncycastle.openpgp.PGPObjectFactory;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.bouncycastle.openpgp.PGPPublicKeyRing;
import org.bouncycastle.openpgp.PGPUtil;
import org.bouncycastle.openpgp.operator.bc.BcKeyFingerprintCalculator;
import org.gradle.internal.serialize.AbstractSerializer;
import org.gradle.internal.serialize.Decoder;
import org.gradle.internal.serialize.Encoder;
import java.io.ByteArrayInputStream;
class PublicKeySerializer extends AbstractSerializer {
@Override
public PGPPublicKey read(Decoder decoder) throws Exception {
byte[] encoded = decoder.readBinary();
PGPObjectFactory objectFactory = new PGPObjectFactory(
PGPUtil.getDecoderStream(new ByteArrayInputStream(encoded)), new BcKeyFingerprintCalculator());
Object object = objectFactory.nextObject();
if (object instanceof PGPPublicKey) {
return (PGPPublicKey) object;
} else if (object instanceof PGPPublicKeyRing) {
return ((PGPPublicKeyRing) object).getPublicKey();
}
throw new IllegalStateException("Unexpected key in cache: " + object.getClass());
}
@Override
public void write(Encoder encoder, PGPPublicKey key) throws Exception {
encoder.writeBinary(key.getEncoded());
}
}