blob: 6dc74f2de87cdea62e2e693f103312b2dbbaa5ff (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
// Copyright (C) 2015 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.google.gerrit.gpg;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.security.Security;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.openpgp.PGPPublicKey;
/** Utility methods for Bouncy Castle. */
public class BouncyCastleUtil {
/**
* Check for Bouncy Castle PGP support.
*
* <p>As a side effect, adds {@link BouncyCastleProvider} as a security provider.
*
* @return whether Bouncy Castle PGP support is enabled.
*/
public static boolean havePGP() {
try {
Class.forName(PGPPublicKey.class.getName());
addBouncyCastleProvider();
return true;
} catch (NoClassDefFoundError
| ClassNotFoundException
| SecurityException
| NoSuchMethodException
| InstantiationException
| IllegalAccessException
| InvocationTargetException
| ClassCastException noBouncyCastle) {
return false;
}
}
private static void addBouncyCastleProvider()
throws ClassNotFoundException, SecurityException, NoSuchMethodException,
InstantiationException, IllegalAccessException, InvocationTargetException {
Class<?> clazz = Class.forName(BouncyCastleProvider.class.getName());
Constructor<?> constructor = clazz.getConstructor();
Security.addProvider((java.security.Provider) constructor.newInstance());
}
private BouncyCastleUtil() {}
}
|
