Pavel Machek wrote:
> Applied (it is *not* going to make it into 2.6.12, and not sure about
> 2.6.13, but it is in my local tree now. You had Kconfig and docs
> changes, too, can you retransmit them?
> Pavel
No changes to config and docs, but I'll attach them again nevertheless.
BTW: it was quite clear to me that this can't make 2.6.12 and that
2.6.13 might be a bit early.
--
Andreas Steinmetz SPAMmers use [email protected]
--- linux-2.6.11.2/kernel/power/Kconfig.ast 2005-04-10 20:44:48.000000000 +0200
+++ linux-2.6.11.2/kernel/power/Kconfig 2005-04-10 21:01:36.000000000 +0200
@@ -72,3 +72,14 @@
suspended image to. It will simply pick the first available swap
device.
+config SWSUSP_ENCRYPT
+ bool "Encrypt suspend image"
+ depends on SOFTWARE_SUSPEND && CRYPTO=y && (CRYPTO_AES=y || CRYPTO_AES_586=y)
+ default ""
+ ---help---
+ To prevent data gathering from swap after resume you can encrypt
+ the suspend image with a temporary key that is deleted on
+ resume.
+
+ Note that the temporary key is stored unencrypted on disk while the
+ system is suspended.
--- linux-2.6.11.2/Documentation/power/swsusp.txt.ast 2005-04-10 21:07:01.000000000 +0200
+++ linux-2.6.11.2/Documentation/power/swsusp.txt 2005-04-10 21:10:56.000000000 +0200
@@ -30,6 +30,13 @@
echo platform > /sys/power/disk; echo disk > /sys/power/state
+Encrypted suspend image:
+------------------------
+If you want to store your suspend image encrypted with a temporary
+key to prevent data gathering after resume you must compile
+crypto and the aes algorithm into the kernel - modules won't work
+as they cannot be loaded at resume time.
+
Article about goals and implementation of Software Suspend for Linux
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