Home Operating Systems • New PDF release: Android Security Internals

New PDF release: Android Security Internals

By Nikolay Elenkov

ISBN-10: 1593276419

ISBN-13: 9781593276416

In Android safeguard Internals, best Android defense specialist Nikolay Elenkov takes us less than the hood of the Android safety approach. Elenkov describes Android protection structure from the ground up, delving into the implementation of significant security-related elements and subsystems, like Binder IPC, permissions, cryptographic companies, and gadget administration.

You'll learn:

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 web account administration framework and the way Google debts combine with Android
About the implementation of proven boot, disk encryption, lockscreen, and different equipment defense features
How Android's bootloader and restoration OS are used to accomplish complete approach updates, and the way to acquire root access
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Remote access with pserver (default port: 2401/tcp). This is the preferred use for larger user base as the users are authenticated by the CVS pserver with a dedicated password database, there is therefore no need for local users accounts. This setup is explained below. 35 — CVS — Network setup with inetd The CVS can be run locally only if a network access is not needed. d/cvs on SuSE): cvspserver stream tcp nowait --allow-root=/usr/local/cvs pserver cvs /usr/bin/cvs cvs \ It is a good idea to block the cvs port from the Internet with the firewall and use an ssh tunnel to access the repository remotely.

Ctrl-a Ctrl-N where N is a number from 0 to 9, to switch to the corresponding window. • Ctrl-a " to get a navigable list of running windows • Ctrl-a a to clear a missed Ctrl-a • Ctrl-a Ctrl-d to disconnect and leave the session running in the background • Ctrl-a x lock the screen terminal with a password The screen session is terminated when the program within the running terminal is closed and you logout from the terminal. 7 F i n d Some important options: -x (on BSD) -xdev (on Linux) Stay on the same file system (dev in fstab).

8 Mi s c e l l a n e o u s # # # # # # # # # # # # # # # which command # Show full path name of command time command # See how long a command takes to execute time cat # Use time as stopwatch. ss]] date 10022155 # Set date and time whatis grep # Display a short info on the command or word whereis java # Search path and standard directories for word setenv varname value # Set env. variable varname to value (csh/tcsh) export varname="value" # set env. bak} mv /dir1 /dir2 ls -1 history | tail -50 # # # # # # # Remove directory and its content (force) Archive and hard link files instead of copy Same for FreeBSD Short way to copy the file with a new extension Rename a directory list one file per line Display the last 50 used commands Check file hashes with openssl.

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Android Security Internals by Nikolay Elenkov


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