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Alex Klyubin 0d872d8bb4 Seed Linux RNG from Hardware RNG at boot during init. 
The Linux RNG may have little entropy during boot. As more and more
devices have a Hardware RNG, we mix in 512 bytes from Hardware RNG
(if present) into Linux RNG early during boot (after
wait_for_coldboot_done and before property_service_init actions in
init).

To avoid having to trust the output of Hardware RNG, we do not mix it
into the Linux RNG's primary pool or increase the Linux RNG's entropy
estimates.

Bug: 10362513
Change-Id: I80617f21710400747f5e7533e518d90ea74e2f11
2013-08-19 16:58:28 -07:00
adb Merge "Move liblog headers to system/core/include/log" 2013-07-25 21:39:24 +00:00
charger Add liblog 2013-04-09 22:03:45 -07:00
cpio Add support for filesystem capabilities. 2013-02-20 12:51:28 -08:00
debuggerd Move liblog headers to system/core/include/log 2013-07-24 12:32:39 -07:00
fastboot fastboot: add support for sparse images in flashall and update 2013-07-01 12:42:58 -07:00
fastbootd fastbootd: userspace implementation of the fastboot device-side protocol 2013-07-24 10:58:43 -07:00
fs_mgr Add basic verity support to fs_mgr. 2013-08-06 22:15:58 -07:00
gpttool Fix build by removing TAGS from host module 2012-08-15 19:52:52 -07:00
healthd healthd: Move power_supply attribute paths to healthd_config 2013-08-14 02:27:54 +00:00
include Add helpers for audio remote submix devices. 2013-08-16 20:21:10 -07:00
init Seed Linux RNG from Hardware RNG at boot during init. 2013-08-19 16:58:28 -07:00
libcorkscrew Format stack trace PC offset to 8 digits with leading zeros. 2013-05-21 12:46:09 -07:00
libctest Automated import from //branches/master/...@140824,140824 2009-03-24 18:36:50 -07:00
libcutils Move liblog headers to system/core/include/log 2013-07-24 12:32:39 -07:00
libdiskconfig config_mbr: Fix integer overflow 2012-07-26 10:18:14 -07:00
libion Add explicit sync call to ion library 2012-09-20 09:46:19 -07:00
liblinenoise Improve linenoise.c compatability. 2010-06-04 14:32:01 +08:00
liblog Move liblog headers to system/core/include/log 2013-07-24 12:32:39 -07:00
libmincrypt mincrypt: merge the two RSA verifiers 2013-04-11 12:55:43 -07:00
libnetutils libnetutils: Get mtu together with dhcp session results 2013-08-02 14:09:09 -07:00
libnl_2 am cdc4a400: am cb71ed30: am 50e2555d: Merge "Always include <sys/socket.h> before <linux/netlink.h>." 2012-09-12 11:08:42 -07:00
libpixelflinger Add liblog 2013-04-09 22:03:45 -07:00
libsparse libsparse: Fix null pointer issue 2013-04-01 11:22:50 +08:00
libsuspend am 76edb14f: am 2cc3527a: libsuspend: compile as a static library 2012-12-06 18:59:59 -08:00
libsync update libsync to support new timeout semantics 2012-08-21 18:21:18 -07:00
libsysutils Get rid of an infinite loop in NetlinkEvent.cpp. 2013-08-17 04:02:14 +09:00
libusbhost Properly handle cases of multiple inotify events 2013-03-25 14:12:18 -07:00
libutils move libs/utils to libutils 2013-08-02 14:40:08 -07:00
libzipfile Fixed warnings test_zipfile 2012-08-20 16:38:37 -04:00
logcat Move liblog headers to system/core/include/log 2013-07-24 12:32:39 -07:00
logwrapper logwrapper: Add ability to log to kernel log 2013-04-14 17:10:55 -07:00
mkbootimg mkbootimg: support 8192/16384 pagesizes 2013-03-10 14:11:10 +01:00
netcfg Support adding, deleting, and clearing IPv6 addrs. 2011-09-28 17:12:13 -07:00
reboot Make init handle reboots 2013-04-23 13:21:40 -07:00
rootdir healthd: normal and charger mode startup 2013-07-26 23:56:17 +00:00
run-as Add legacy layout support to FUSE, enforce write. 2013-08-14 12:01:38 -07:00
sdcard Merge "Fix handle_opendir() in the sdcard daemon" into klp-dev 2013-08-15 03:28:31 +00:00
sh Fixed un-initialized variable warnings 2012-08-01 15:15:11 -04:00
toolbox Add basic readlink command 2013-08-19 16:31:35 -07:00
.gitignore Don't compile abort_socket.c for host targets. It is only intended to run on Linux targets. 2009-05-26 13:23:23 -07:00
Android.mk Remove the simulator target from all makefiles. 2011-07-11 22:12:32 -07:00
CleanSpec.mk toolbox: Make reboot a separate command from toolbox 2013-03-26 12:24:10 -07:00
MODULE_LICENSE_APACHE2 auto import from //depot/cupcake/@135843 2013-07-30 13:56:49 -07:00
NOTICE Fix omission in NOTICE file. 2013-07-30 13:56:55 -07:00
README auto import from //depot/cupcake/@135843 2009-03-03 19:32:55 -08:00
ThirdPartyProject.prop add meta-files about 3rd party projects 2010-07-16 11:41:39 -07:00

README 

The system/ directory is intended for pieces of the world that are the
core of the embedded linux platform at the heart of Android.  These
essential bits are required for basic booting, operation, and debugging.

They should not depend on libraries outside of system/... (some of them
do currently -- they need to be updated or changed) and they should not
be required for the simulator build.

The license for all these pieces should be clean (Apache2, BSD, or MIT).

Currently system/bluetooth/... and system/extra/... have some pieces
with GPL/LGPL licensed code.

Assorted Issues:

- pppd depends on libutils for logging
- pppd depends on libcrypt/libcrypto
- init, linker, debuggerd, toolbox, usbd depend on libcutils
- should probably rename bionic to libc