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/*
* Copyright (C) 2013 The Android Open Source Project
*
* 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.android.verity;
import java.security.PrivateKey;
import java.security.Security;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
public class VeritySigner {
// USAGE:
// VeritySigner <contentfile> <key.pem> <sigfile>
// To verify that this has correct output:
// openssl rsautl -raw -inkey <key.pem> -encrypt -in <sigfile> > /tmp/dump
public static void main(String[] args) throws Exception {
Security.addProvider(new BouncyCastleProvider());
byte[] content = Utils.read(args[0]);
PrivateKey privateKey = Utils.loadDERPrivateKey(Utils.read(args[1]));
byte[] signature = Utils.sign(privateKey, content);
Utils.write(signature, args[2]);
}
}
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