Keystore is needed when you are setting up the server-side on SSL. TrustStore stores other’s credentials. Keystore stores your credential. A TrustStore holds the certificates of external systems that you trust.

What is the use of keystore in app signing?

As a security measure, Android requires that apps be signed in order to be installed. Signing an app first requires creating keystores. A keystore is a storage mechanism for security certificates. A public key certificate is used to sign an APK before deployment to services like the Google Play Store.

What does keystore file contains?

It can be used to identify the author of an Android app during a build and when publishing to Google Play or in SSL encryption. Since a KEYSTORE file contains valuable data, the file is encrypted and protected by a password to secure the file from unauthorized parties. … NOTE: The KEYSTORE extension is similar to the .