70 lines
2.3 KiB
Java
70 lines
2.3 KiB
Java
|
/*
|
||
|
|
* 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.PublicKey;
|
||
|
|
import java.security.PrivateKey;
|
||
|
|
import java.security.Security;
|
||
|
|
import java.security.cert.X509Certificate;
|
||
|
|
import org.bouncycastle.jce.provider.BouncyCastleProvider;
|
||
|
|
|
||
|
|
public class VeritySigner {
|
||
|
|
|
||
|
|
private static void usage() {
|
||
|
|
System.err.println("usage: VeritySigner <contentfile> <key.pk8> " +
|
||
|
|
"<sigfile> | <contentfile> <certificate.x509.pem> <sigfile> " +
|
||
|
|
"-verify");
|
||
|
|
System.exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void main(String[] args) throws Exception {
|
||
|
|
if (args.length < 3) {
|
||
|
|
usage();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
Security.addProvider(new BouncyCastleProvider());
|
||
|
|
|
||
|
|
byte[] content = Utils.read(args[0]);
|
||
|
|
|
||
|
|
if (args.length > 3 && "-verify".equals(args[3])) {
|
||
|
|
X509Certificate cert = Utils.loadPEMCertificate(args[1]);
|
||
|
|
PublicKey publicKey = cert.getPublicKey();
|
||
|
|
|
||
|
|
byte[] signature = Utils.read(args[2]);
|
||
|
|
|
||
|
|
try {
|
||
|
|
if (Utils.verify(publicKey, content, signature,
|
||
|
|
Utils.getSignatureAlgorithmIdentifier(publicKey))) {
|
||
|
|
System.err.println("Signature is VALID");
|
||
|
|
System.exit(0);
|
||
|
|
} else {
|
||
|
|
System.err.println("Signature is INVALID");
|
||
|
|
}
|
||
|
|
} catch (Exception e) {
|
||
|
|
e.printStackTrace(System.err);
|
||
|
|
}
|
||
|
|
|
||
|
|
System.exit(1);
|
||
|
|
} else {
|
||
|
|
PrivateKey privateKey = Utils.loadDERPrivateKey(Utils.read(args[1]));
|
||
|
|
byte[] signature = Utils.sign(privateKey, content);
|
||
|
|
Utils.write(signature, args[2]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|