O'Reilly logo

Android Security Cookbook by Scott Alexander-Bown, Keith Makan

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Inspecting application certificates and signatures

Application certificates are what developers use to declare their trust in the applications they publish to the application market. This is done by declaring their identities and associating them to their application(s) cryptographically. Application signatures make sure that no application can impersonate another by providing a simple and effective mechanism to determine and enforce the integrity of Android applications. It is a requirement that all applications be signed with certificates before they are installed.

Android application signing is a repurposing of JAR signing. It works by applying a cryptographic hash function to an application's contents. We will soon see exactly which of the ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required