pgpainless/pgpainless-sop/src/main/java/org/pgpainless/sop/commands/GenerateKey.java

96 lines
3.6 KiB
Java

/*
* Copyright 2020 Paul Schaub.
*
* 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.pgpainless.sop.commands;
import java.io.IOException;
import java.security.InvalidAlgorithmParameterException;
import java.security.NoSuchAlgorithmException;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.TimeZone;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPSecretKeyRing;
import org.pgpainless.PGPainless;
import org.pgpainless.algorithm.KeyFlag;
import org.pgpainless.key.generation.KeyRingBuilderInterface;
import org.pgpainless.key.generation.KeySpec;
import org.pgpainless.key.generation.type.KeyType;
import org.pgpainless.key.generation.type.eddsa.EdDSACurve;
import org.pgpainless.key.generation.type.xdh.XDHSpec;
import org.pgpainless.sop.Print;
import picocli.CommandLine;
import static org.pgpainless.sop.Print.err_ln;
import static org.pgpainless.sop.Print.print_ln;
@CommandLine.Command(name = "generate-key",
description = "Generate a secret key",
exitCodeOnInvalidInput = 37)
public class GenerateKey implements Runnable {
@CommandLine.Option(names = "--no-armor",
description = "ASCII armor the output",
negatable = true)
boolean armor = true;
@CommandLine.Parameters(description = "User-ID, eg. \"Alice <alice@example.com>\"")
List<String> userId;
@Override
public void run() {
if (userId.isEmpty()) {
print_ln("At least one user-id expected.");
System.exit(1);
return;
}
try {
KeyRingBuilderInterface.WithAdditionalUserIdOrPassphrase builder = PGPainless.generateKeyRing()
.withSubKey(KeySpec.getBuilder(KeyType.EDDSA(EdDSACurve._Ed25519))
.withKeyFlags(KeyFlag.SIGN_DATA)
.withDefaultAlgorithms())
.withSubKey(KeySpec.getBuilder(KeyType.XDH(XDHSpec._X25519))
.withKeyFlags(KeyFlag.ENCRYPT_COMMS, KeyFlag.ENCRYPT_STORAGE)
.withDefaultAlgorithms())
.withPrimaryKey(KeySpec.getBuilder(KeyType.EDDSA(EdDSACurve._Ed25519))
.withKeyFlags(KeyFlag.CERTIFY_OTHER)
.withDefaultAlgorithms())
.withPrimaryUserId(userId.get(0));
for (int i = 1; i < userId.size(); i++) {
builder.withAdditionalUserId(userId.get(i));
}
Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
calendar.add(Calendar.YEAR, 3);
Date expiration = calendar.getTime();
PGPSecretKeyRing secretKeys = builder.setExpirationDate(expiration)
.withoutPassphrase()
.build();
print_ln(Print.toString(secretKeys, armor));
} catch (InvalidAlgorithmParameterException | NoSuchAlgorithmException | PGPException | IOException e) {
err_ln("Error creating OpenPGP key:");
err_ln(e.getMessage());
System.exit(1);
}
}
}