[lkml]   [2004]   [Aug]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
Subject[PATCH] implement in-kernel keys & keyring management

Hi Linus, Andrew,

I've made available a patch that does a better job of key and keyring
management for authentication, cryptography, etc.. I've added a good bit of
documentation and I've commented the code more thoroughly.

The patch can be found at:

Signed-Off-By: David Howells <>

The documentation is patched into Documentation/keys.txt.

The feature set the patch includes:

- Key attributes:
- Key type
- Description (by which a key of a particular type can be selected)
- Payload
- UID, GID and permissions mask
- Expiry time
- Keyrings (just a type of key that holds links to other keys)
- User-defined keys
- Key revokation
- Access controls
- Per user key-count and key-memory consumption quota
- Three std keyrings per task: per-thread, per-process, session
- Two std keyrings per user: per-user and default-user-session
- prctl() functions for key and keyring creation and management
- Kernel interfaces for filesystem, blockdev, net stack access
- JIT key creation by usermode helper

There are also two utility programs available:


A comprehensive key management tool, permitting all the interfaces
available to userspace to be exercised.


An example shell script (to be installed in /sbin) for instantiating a

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 14:05    [W:0.149 / U:9.404 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site