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README.md
1 2 Android BasicAndroidKeyStore Sample 3 =================================== 4 5 An advanced sample displaying the creation and usage of data integrity mechanisms 6 7 Introduction 8 ------------ 9 10 This sample demonstrates how to use the Android [KeyStore][1] to safely create and store 11 encryption keys that only your application can access. 12 13 A [KeyPair][2] consisting of a [PrivateKey][3] and a [PublicKey][4] is being generated. 14 The private key then is being used to sign and verify a String. 15 16 Below Android M, this sample uses a [KeyPairGeneratorSpec][5] to generate a key pair. 17 On newer versions of Android, a [KeyGenParameterSpec][6] generates a key pair with 18 additional restrictions and properties. 19 20 21 Next to that appropriate exception handling for potential errors is being displayed. 22 23 [1]: https://developer.android.com/reference/java/security/KeyStore.html 24 [2]: https://developer.android.com/reference/java/security/KeyPair.html 25 [3]: https://developer.android.com/reference/java/security/PrivateKey.html 26 [4]: https://developer.android.com/reference/java/security/PublicKey.html 27 [5]: https://developer.android.com/reference/android/security/KeyPairGeneratorSpec.html 28 [6]: https://developer.android.com/reference/android/security/keystore/KeyGenParameterSpec.html 29 30 Pre-requisites 31 -------------- 32 33 - Android SDK 25 34 - Android Build Tools v25.0.3 35 - Android Support Repository 36 37 Screenshots 38 ------------- 39 40 <img src="screenshots/screenshot1.png" height="400" alt="Screenshot"/> <img src="screenshots/screenshot2.png" height="400" alt="Screenshot"/> <img src="screenshots/screenshot3.png" height="400" alt="Screenshot"/> <img src="screenshots/screenshot4.png" height="400" alt="Screenshot"/> <img src="screenshots/screenshot5.png" height="400" alt="Screenshot"/> 41 42 Getting Started 43 --------------- 44 45 This sample uses the Gradle build system. To build this project, use the 46 "gradlew build" command or use "Import Project" in Android Studio. 47 48 Support 49 ------- 50 51 - Google+ Community: https://plus.google.com/communities/105153134372062985968 52 - Stack Overflow: http://stackoverflow.com/questions/tagged/android 53 54 If you've found an error in this sample, please file an issue: 55 https://github.com/googlesamples/android-BasicAndroidKeyStore 56 57 Patches are encouraged, and may be submitted by forking this project and 58 submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details. 59 60 License 61 ------- 62 63 Copyright 2017 The Android Open Source Project, Inc. 64 65 Licensed to the Apache Software Foundation (ASF) under one or more contributor 66 license agreements. See the NOTICE file distributed with this work for 67 additional information regarding copyright ownership. The ASF licenses this 68 file to you under the Apache License, Version 2.0 (the "License"); you may not 69 use this file except in compliance with the License. You may obtain a copy of 70 the License at 71 72 http://www.apache.org/licenses/LICENSE-2.0 73 74 Unless required by applicable law or agreed to in writing, software 75 distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 76 WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 77 License for the specific language governing permissions and limitations under 78 the License. 79
