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Identity Credential

This repository contains libraries and applications related to the Android Identity Credential API provided in the Android Framework as of Android 11 as well as ISO/IEC 18013-5:2021 and related standards.

Android Identity Credential Library

This library has two goals. The first goal is to provide a compatibility-layer for the Android Identity Credential API when running on a device where this API is not implemented (for example, a device running an older Android version). This is achieved by using Android Keystore APIs when the hardware-backed Identity Credential APIs are not available.

The other goal of the library is to provide high-level primitives that any mdoc or mdoc reader application is anticipated to need.

Versioning and releases

TODO: Write me.

API Stability

TODO: Write me.

Getting involved

TODO: Write me.

Running the MDL Reader Website

To run the MDL reader website (located at identity-credential/wwwverifier), a project must first be created at console.cloud.google.com. Afterwards, navigate to Cloud Shell (shell.cloud.google.com), and clone the Identity Credential Library repository:

git clone https://github.com/google/identity-credential.git

Open the file identity-credential/wwwverifier/build.gradle, and set the property projectId to the project ID that you used to create your Cloud project:

appengine {
    deploy {   // deploy configuration
      version = 'v1'
      projectId = '<YOUR_PROJECT_ID>'
      ...
    }
}

Then, navigate to wwwverifier:

cd ~/identity-credential/wwwverifier

To run the website locally, execute the command:

gradle appengineRun

To deploy the website on a live server, execute the command:

gradle appengineDeploy

The above command will create a link to a live website. Then, navigate to the file identity-credential/wwwverifier/src/main/java/com/google/sps/servlet/ServletConsts.java, and replace the following field with your website URL:

    public static final String BASE_URL = "<YOUR_WEBSITE_URL>";

There is currently a test instance of this application available at https://mdoc-reader-external.uc.r.appspot.com/.

Reference Applications

This repository also contains two applications to show how to use the library. This includes a prover app (mdoc) and a reader app (mdoc reader). These applications are not meant to be production quality and are provided only to demonstrate how the library APIs work and best practices. The applications implement the published version of ISO/IEC 18013-5:2021.

Currently hard-coded data is used -- the mdoc application contains an mDL (document type org.iso.18013.5.1.mDL), a vaccination certificate (document type org.micov.1), and a vehicle registration (document type nl.rdw.mekb.1). The code also has experimental support for provisioning, including dynamically obtaining MSOs, PII updates, de-provisioning, server protocols, and an experimental provisioning server.

Support

This is not an officially supported Google product.

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