Credentials.java revision 527f01e76d07b45bdf7ba97ffee0e9b358de658c 
1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.security;
18
19import android.content.ActivityNotFoundException;
20import android.content.Context;
21import android.content.Intent;
22import android.util.Log;
23
24import java.security.KeyPair;
25
26/**
27 * {@hide}
28 */
29public class Credentials {
30    private static final String LOGTAG = "Credentials";
31
32    public static final String INSTALL_ACTION = "android.credentials.INSTALL";
33
34    /** Key prefix for CA certificates. */
35    public static final String CA_CERTIFICATE = "CACERT_";
36
37    /** Key prefix for user certificates. */
38    public static final String USER_CERTIFICATE = "USRCERT_";
39
40    /** Key prefix for user private keys. */
41    public static final String USER_PRIVATE_KEY = "USRPKEY_";
42
43    /** Key prefix for VPN. */
44    public static final String VPN = "VPN_";
45
46    /** Key prefix for WIFI. */
47    public static final String WIFI = "WIFI_";
48
49    /** Data type for public keys. */
50    public static final String PUBLIC_KEY = "KEY";
51
52    /** Data type for private keys. */
53    public static final String PRIVATE_KEY = "PKEY";
54
55    /** Data type for certificates. */
56    public static final String CERTIFICATE = "CERT";
57
58    /** Data type for PKCS12. */
59    public static final String PKCS12 = "PKCS12";
60
61    private static Credentials singleton;
62
63    public static Credentials getInstance() {
64        if (singleton == null) {
65            singleton = new Credentials();
66        }
67        return singleton;
68    }
69
70    public void unlock(Context context) {
71        try {
72            Intent intent = new Intent("com.android.credentials.UNLOCK");
73            context.startActivity(intent);
74        } catch (ActivityNotFoundException e) {
75            Log.w(LOGTAG, e.toString());
76        }
77    }
78
79    private Intent createInstallIntent() {
80        Intent intent = new Intent(INSTALL_ACTION);
81        intent.setClassName("com.android.certinstaller",
82                "com.android.certinstaller.CertInstallerMain");
83        return intent;
84    }
85
86    public void install(Context context, KeyPair pair) {
87        try {
88            Intent intent = createInstallIntent();
89            intent.putExtra(PRIVATE_KEY, pair.getPrivate().getEncoded());
90            intent.putExtra(PUBLIC_KEY, pair.getPublic().getEncoded());
91            context.startActivity(intent);
92        } catch (ActivityNotFoundException e) {
93            Log.w(LOGTAG, e.toString());
94        }
95    }
96
97    public void install(Context context, String type, byte[] value) {
98        try {
99            Intent intent = createInstallIntent();
100            intent.putExtra(type, value);
101            context.startActivity(intent);
102        } catch (ActivityNotFoundException e) {
103            Log.w(LOGTAG, e.toString());
104        }
105    }
106}
107