1*d353a188SXin Li 2*d353a188SXin LiAndroid BasicAndroidKeyStore Sample 3*d353a188SXin Li=================================== 4*d353a188SXin Li 5*d353a188SXin LiAn advanced sample displaying the creation and usage of data integrity mechanisms 6*d353a188SXin Li 7*d353a188SXin LiIntroduction 8*d353a188SXin Li------------ 9*d353a188SXin Li 10*d353a188SXin LiThis sample demonstrates how to use the Android [KeyStore][1] to safely create and store 11*d353a188SXin Liencryption keys that only your application can access. 12*d353a188SXin Li 13*d353a188SXin LiA [KeyPair][2] consisting of a [PrivateKey][3] and a [PublicKey][4] is being generated. 14*d353a188SXin LiThe private key then is being used to sign and verify a String. 15*d353a188SXin Li 16*d353a188SXin LiBelow Android M, this sample uses a [KeyPairGeneratorSpec][5] to generate a key pair. 17*d353a188SXin LiOn newer versions of Android, a [KeyGenParameterSpec][6] generates a key pair with 18*d353a188SXin Liadditional restrictions and properties. 19*d353a188SXin Li 20*d353a188SXin Li 21*d353a188SXin LiNext to that appropriate exception handling for potential errors is being displayed. 22*d353a188SXin Li 23*d353a188SXin Li[1]: https://developer.android.com/reference/java/security/KeyStore.html 24*d353a188SXin Li[2]: https://developer.android.com/reference/java/security/KeyPair.html 25*d353a188SXin Li[3]: https://developer.android.com/reference/java/security/PrivateKey.html 26*d353a188SXin Li[4]: https://developer.android.com/reference/java/security/PublicKey.html 27*d353a188SXin Li[5]: https://developer.android.com/reference/android/security/KeyPairGeneratorSpec.html 28*d353a188SXin Li[6]: https://developer.android.com/reference/android/security/keystore/KeyGenParameterSpec.html 29*d353a188SXin Li 30*d353a188SXin LiPre-requisites 31*d353a188SXin Li-------------- 32*d353a188SXin Li 33*d353a188SXin Li- Android SDK 27 34*d353a188SXin Li- Android Build Tools v27.0.2 35*d353a188SXin Li- Android Support Repository 36*d353a188SXin Li 37*d353a188SXin LiScreenshots 38*d353a188SXin Li------------- 39*d353a188SXin Li 40*d353a188SXin Li<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*d353a188SXin Li 42*d353a188SXin LiGetting Started 43*d353a188SXin Li--------------- 44*d353a188SXin Li 45*d353a188SXin LiThis sample uses the Gradle build system. To build this project, use the 46*d353a188SXin Li"gradlew build" command or use "Import Project" in Android Studio. 47*d353a188SXin Li 48*d353a188SXin LiSupport 49*d353a188SXin Li------- 50*d353a188SXin Li 51*d353a188SXin Li- Google+ Community: https://plus.google.com/communities/105153134372062985968 52*d353a188SXin Li- Stack Overflow: http://stackoverflow.com/questions/tagged/android 53*d353a188SXin Li 54*d353a188SXin LiIf you've found an error in this sample, please file an issue: 55*d353a188SXin Lihttps://github.com/googlesamples/android-BasicAndroidKeyStore 56*d353a188SXin Li 57*d353a188SXin LiPatches are encouraged, and may be submitted by forking this project and 58*d353a188SXin Lisubmitting a pull request through GitHub. Please see CONTRIBUTING.md for more details. 59*d353a188SXin Li 60*d353a188SXin LiLicense 61*d353a188SXin Li------- 62*d353a188SXin Li 63*d353a188SXin LiCopyright 2017 The Android Open Source Project, Inc. 64*d353a188SXin Li 65*d353a188SXin LiLicensed to the Apache Software Foundation (ASF) under one or more contributor 66*d353a188SXin Lilicense agreements. See the NOTICE file distributed with this work for 67*d353a188SXin Liadditional information regarding copyright ownership. The ASF licenses this 68*d353a188SXin Lifile to you under the Apache License, Version 2.0 (the "License"); you may not 69*d353a188SXin Liuse this file except in compliance with the License. You may obtain a copy of 70*d353a188SXin Lithe License at 71*d353a188SXin Li 72*d353a188SXin Lihttp://www.apache.org/licenses/LICENSE-2.0 73*d353a188SXin Li 74*d353a188SXin LiUnless required by applicable law or agreed to in writing, software 75*d353a188SXin Lidistributed under the License is distributed on an "AS IS" BASIS, WITHOUT 76*d353a188SXin LiWARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 77*d353a188SXin LiLicense for the specific language governing permissions and limitations under 78*d353a188SXin Lithe License. 79