By Nikolay Elenkov
In Android safeguard Internals, best Android safety specialist Nikolay Elenkov takes us less than the hood of the Android safety procedure. Elenkov describes Android defense structure from the ground up, delving into the implementation of significant security-related elements and subsystems, like Binder IPC, permissions, cryptographic prone, and gadget administration.
How Android permissions are declared, used, and enforced
How Android manages software applications and employs code signing to ensure their authenticity
How Android implements the Java Cryptography structure (JCA) and Java safe Socket Extension (JSSE) frameworks
About Android's credential garage procedure and APIs, which enable purposes shop cryptographic keys securely
About the net account administration framework and the way Google money owed combine with Android
About the implementation of validated boot, disk encryption, lockscreen, and different gadget safety features
How Android's bootloader and restoration OS are used to accomplish complete process updates, and the way to acquire root access
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Extra info for Android Security Internals
Helvetica is a perfect example: You may have 20 different versions for various clients, and Tiger's Helvetica may conflict with some of them. Even though system fonts are professionally designed and look nice, try to stick with the other font formats instead. When you package your job for output, you won't have to worry about the potential for font conflicts once the project is out of your hands, or compatibility problems if your document will be opened on a Windows PC. Where Tiger Keeps Fonts Mac OS X can look for fonts in seven locations.
View full size image] 39 40 Suitcase supports auto-activation of fonts in Adobe InDesign and Illustrator, and in QuarkXPress, but not in Adobe Photoshop. Auto-activation lets Suitcase find the correct version of the fonts used in your documents and automatically open them for you. If there's more than one font with the same name in its database, Suitcase will do its best to match the correct version to your document. Suitcase also manages system fonts so that you can use a font even if it has the same name as one that Tiger loads at startup.
Network. If you work in an agency that uses Mac OS X Server, you may have a shared network font directory. If so, any fonts stored here appear as if they are permanently loaded on your Mac and are available to all users. • System. Mac OS X's System directory hides a Font folder, too. The fonts that are in here are primarily for system use, and you shouldn't touch them. Some of these fonts may conflict with client fonts that you need to use. Font-management applications can overcome that problem for you, and we'll talk about them later in this chapter.
Android Security Internals by Nikolay Elenkov