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 17 package android.security; 18 19 import android.content.ActivityNotFoundException; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.util.Log; 23 24 import java.security.KeyPair; 25 26 /** 27 * {@hide} 28 */ 29 public class Credentials { 30 private static final String LOGTAG = "Credentials"; 31 32 public static final String UNLOCK_ACTION = "android.credentials.UNLOCK"; 33 34 public static final String INSTALL_ACTION = "android.credentials.INSTALL"; 35 36 public static final String SYSTEM_INSTALL_ACTION = "android.credentials.SYSTEM_INSTALL"; 37 38 /** Key prefix for CA certificates. */ 39 public static final String CA_CERTIFICATE = "CACERT_"; 40 41 /** Key prefix for user certificates. */ 42 public static final String USER_CERTIFICATE = "USRCERT_"; 43 44 /** Key prefix for user private keys. */ 45 public static final String USER_PRIVATE_KEY = "USRPKEY_"; 46 47 /** Key prefix for VPN. */ 48 public static final String VPN = "VPN_"; 49 50 /** Key prefix for WIFI. */ 51 public static final String WIFI = "WIFI_"; 52 53 /** Data type for public keys. */ 54 public static final String PUBLIC_KEY = "KEY"; 55 56 /** Data type for private keys. */ 57 public static final String PRIVATE_KEY = "PKEY"; 58 59 /** Data type for certificates. */ 60 public static final String CERTIFICATE = "CERT"; 61 62 /** Data type for PKCS12. */ 63 public static final String PKCS12 = "PKCS12"; 64 65 private static Credentials singleton; 66 getInstance()67 public static Credentials getInstance() { 68 if (singleton == null) { 69 singleton = new Credentials(); 70 } 71 return singleton; 72 } 73 unlock(Context context)74 public void unlock(Context context) { 75 try { 76 Intent intent = new Intent(UNLOCK_ACTION); 77 context.startActivity(intent); 78 } catch (ActivityNotFoundException e) { 79 Log.w(LOGTAG, e.toString()); 80 } 81 } 82 install(Context context, KeyPair pair)83 public void install(Context context, KeyPair pair) { 84 try { 85 Intent intent = new Intent(INSTALL_ACTION); 86 intent.putExtra(PRIVATE_KEY, pair.getPrivate().getEncoded()); 87 intent.putExtra(PUBLIC_KEY, pair.getPublic().getEncoded()); 88 context.startActivity(intent); 89 } catch (ActivityNotFoundException e) { 90 Log.w(LOGTAG, e.toString()); 91 } 92 } 93 install(Context context, String type, byte[] value)94 public void install(Context context, String type, byte[] value) { 95 try { 96 Intent intent = new Intent(INSTALL_ACTION); 97 intent.putExtra(type, value); 98 context.startActivity(intent); 99 } catch (ActivityNotFoundException e) { 100 Log.w(LOGTAG, e.toString()); 101 } 102 } 103 installFromSdCard(Context context)104 public void installFromSdCard(Context context) { 105 try { 106 context.startActivity(new Intent(INSTALL_ACTION)); 107 } catch (ActivityNotFoundException e) { 108 Log.w(LOGTAG, e.toString()); 109 } 110 } 111 } 112