Zack's Kernel News
Zack's Kernel News
This month in Kernel News: Opening a Random Can of Worms and Out with the Old.
Opening a Random Can of Worms
Torsten Duwe was mad as hell, and he wasn't going to take it anymore! Or at least, he had certain objections to /dev/random, which he felt should be addressed. In particular, one of the main points of random numbers in the Linux kernel is to support system security. Torsten pointed out that "Input entropy amounts are guesstimated in advance, obviously much too conservatively, compiled in and never checked thereafter; the whitening is done using some home-grown hash function derivative and other non-cryptographic, non-standard operations."
He also remarked with restraint and decorum, that "meanwhile there's quite a maintenance backlog; minor fixes are pending, medium-sized cleanups are ignored and major patch sets to add the missing features are not even discussed."
Torsten said he was in favor of bringing the Linux kernel up to some sort of standards compliance with regards to random numbers, preferably obtaining official certification from one of the organizations that did that sort of thing. But he said he'd settle for /dev/random simply being a reliable source of entropy, even without any certification.
[...]
Buy this article as PDF
(incl. VAT)
Buy Linux Magazine
US / Canada
UK / Australia
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.
News
-
AUR Repository Still Under DDoS Attack
Arch User Repository continues to be under a DDoS attack that has been going on for two weeks.
-
RingReaper Malware Poses Danger to Linux Systems
A new kind of malware exploits modern Linux kernels for I/O operations.
-
Happy Birthday, Linux
On August 25, Linux officially turns 34.
-
VirtualBox 7.2 Has Arrived
With early support for Linux kernel 6.17 and other new additions, VirtualBox 7.2 is a must-update for users.
-
Linux Mint 22.2 Beta Available for Testing
Some interesting new additions and improvements are coming to Linux Mint. Check out the Linux Mint 22.2 Beta to give it a test run.
-
Debian 13.0 Officially Released
After two years of development, the latest iteration of Debian is now available with plenty of under-the-hood improvements.
-
Upcoming Changes for MXLinux
MXLinux 25 has plenty in store to please all types of users.
-
A New Linux AI Assistant in Town
Newelle, a Linux AI assistant, works with different LLMs and includes document parsing and profiles.
-
Linux Kernel 6.16 Released with Minor Fixes
The latest Linux kernel doesn't really include any big-ticket features, just a lot of lines of code.
-
EU Sovereign Tech Fund Gains Traction
OpenForum Europe recently released a report regarding a sovereign tech fund with backing from several significant entities.