134 lines
4.9 KiB
Java
134 lines
4.9 KiB
Java
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.security;
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/**
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* The Keystore class provides the functions to list the certs/keys in keystore.
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* {@hide}
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*/
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public abstract class Keystore {
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private static final String TAG = "Keystore";
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private static final String[] NOTFOUND = new String[0];
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// Keystore States
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public static final int BOOTUP = 0;
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public static final int UNINITIALIZED = 1;
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public static final int LOCKED = 2;
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public static final int UNLOCKED = 3;
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/**
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*/
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public static Keystore getInstance() {
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return new FileKeystore();
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}
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public abstract int lock();
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public abstract int unlock(String password);
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public abstract int getState();
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public abstract int changePassword(String oldPassword, String newPassword);
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public abstract int setPassword(String firstPassword);
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public abstract String[] listKeys(String namespace);
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public abstract int put(String namespace, String keyname, String value);
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public abstract String get(String namespace, String keyname);
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public abstract int remove(String namespace, String keyname);
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public abstract int reset();
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private static class FileKeystore extends Keystore {
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private static final String SERVICE_NAME = "keystore";
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private static final String CA_CERTIFICATE = "CaCertificate";
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private static final String USER_CERTIFICATE = "UserCertificate";
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private static final String USER_KEY = "UserPrivateKey";
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private static final String COMMAND_DELIMITER = " ";
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private static final ServiceCommand mServiceCommand =
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new ServiceCommand(SERVICE_NAME);
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@Override
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public int lock() {
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Reply result = mServiceCommand.execute(ServiceCommand.LOCK, null);
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return (result != null) ? result.returnCode : -1;
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}
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@Override
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public int unlock(String password) {
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Reply result = mServiceCommand.execute(ServiceCommand.UNLOCK,
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password);
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return (result != null) ? result.returnCode : -1;
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}
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@Override
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public int getState() {
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Reply result = mServiceCommand.execute(ServiceCommand.GET_STATE,
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null);
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return (result != null) ? result.returnCode : -1;
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}
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@Override
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public int changePassword(String oldPassword, String newPassword) {
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Reply result = mServiceCommand.execute(ServiceCommand.PASSWD,
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oldPassword + " " + newPassword);
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return (result != null) ? result.returnCode : -1;
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}
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@Override
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public int setPassword(String firstPassword) {
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Reply result = mServiceCommand.execute(ServiceCommand.PASSWD,
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firstPassword);
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return (result != null) ? result.returnCode : -1;
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}
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@Override
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public String[] listKeys(String namespace) {
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Reply result = mServiceCommand.execute(ServiceCommand.LIST_KEYS,
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namespace);
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if ((result == null) || (result.returnCode != 0) ||
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(result.len == 0)) {
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return NOTFOUND;
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}
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return new String(result.data, 0, result.len).split("\\s+");
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}
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@Override
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public int put(String namespace, String keyname, String value) {
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Reply result = mServiceCommand.execute(ServiceCommand.PUT_KEY,
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namespace + " " + keyname + " " + value);
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return (result != null) ? result.returnCode : -1;
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}
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@Override
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public String get(String namespace, String keyname) {
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Reply result = mServiceCommand.execute(ServiceCommand.GET_KEY,
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namespace + " " + keyname);
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return (result != null) ? ((result.returnCode != 0) ? null :
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new String(result.data, 0, result.len)) : null;
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}
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@Override
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public int remove(String namespace, String keyname) {
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Reply result = mServiceCommand.execute(ServiceCommand.REMOVE_KEY,
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namespace + " " + keyname);
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return (result != null) ? result.returnCode : -1;
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}
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@Override
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public int reset() {
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Reply result = mServiceCommand.execute(ServiceCommand.RESET, null);
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return (result != null) ? result.returnCode : -1;
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}
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}
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}
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