There are more than one billion Android devices in use today, each one a potential target. Unfortunately, many fundamental Android security features have been little more than a black box to all but the most elite security professionals—until now.
In Android Security Internals, top Android security expert Nikolay Elenkov takes us under the hood of the Android security system. Elenkov describes Android security architecture from the bottom up, delving into the implementation of major security-related components and subsystems, like Binder IPC, permissions, cryptographic providers, and device administration.
How Android permissions are declared, used, and enforced
How Android manages application packages and employs code signing to verify their authenticity
How Android implements the Java Cryptography Architecture (JCA) and Java Secure Socket Extension (JSSE) frameworks
About Android's credential storage system and APIs, which let applications store cryptographic keys securely
The online account management framework and how Google accounts integrate with Android
The implementation of verified boot, disk encryption, lockscreen, and other device security features
How Android's bootloader and recovery OS are used to perform full system updates, and how to obtain root access
With its unprecedented level of depth and detail, Android Security Internals is a must-have for any security-minded Android developer.
Android Security Internals
No Starch Press
October 2014 (est.)
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Nikolay Elenkov has been working on enterprise security–related projects for more than 10 years. He became interested in Android shortly after the initial public release and has been developing Android applications since version 1.5. His work has led to the discovery and correction of significant Android security flaws. He writes about Android security on his highly regarded blog, http://nelenkov.blogspot.com/.