1.Background: The OAuth 2.0 authorization framework enables application to obtain limited access to an HTTP service. Access to protected resources is granted by issuing access tokens to clients to access HTTP service. Rather than the client directly authenticating to the API using credentials, or the credentials of a user, OAuth…

1.Background Android has the feature for key integrity verification recently Apple has also introduce DCAppAttest Service in iOS 14 onwards to verify the app and key integrity. Basically you can’t rely on your app’s logic to perform security checks on itself because a compromised app can falsify the results.Hence …