Android security internals (No Starch Press,US)

There are nearly a billion Android devices in use today, and every one is a potential security breach. Love it or hate it, the security of Android-based devices is of major concern to users and developers alike. In "Android Security Internals," author Nikolay Elenkov delves into Android components and subsystems to give you a very deep and complete understanding of the security internals of Android devices. Elenkov's coverage of security topics ranges from package and user management to the details of cryptographic providers and credential storage. "Android Security Internals" is destined to be one book that that all security-minded Android developers will have to have on their bookshelves.