Re: [ANNOUNCE] Release Digsig 1.3.1: kernel module for run-time authentication of binaries

[Chris Wright]

* Makan Pourzandi (Makan.Pourzandi@xxxxxxxxxxxx) wrote:
> Hi all,
> 
> DSI development team would like to announce the release 1.3.1 of digsig.
> 
> This kernel module helps system administrators control Executable and
> Linkable Format (ELF) binary execution and library loading based on
> the presence of a valid digital signature.  The main functionality is
> to help system administrators distinguish applications he/she trusts
> (and therefore signs) from viruses, worms (and other nuisances). It is
> based on the Linux Security Module hooks.
> 
> The code is GPL and available from:
> http://sourceforge.net/projects/disec/, download digsig-1.3.1. For
> more documentation, please refer to disec.sourcefrge.net.
> 
> I hope that it'll be useful to you.
> 
> All bug reports and feature requests or general feedback are welcome
> (please CC me or disec-devel@xxxxxxxxxxxxxxxxxxxxx in your answer or
> feedback to the mailing list).
> 
> Regards,
> Makan Pourzandi
> 
> Changes from Digsig release 0.2 announced in this mailing list:
> ================================================================
> 
>      - the verification of signatures for the shared binaries has been
>      added.
>      - added support for caching of signatures
>      - added documentation for digsig
>      - added support for revoked signatures
>      - support to avoid vulnerability for rewrite of shared
>      libraries

Could you elaborate on this one?

>      - use sysfs to connect to the module instead of the char device
>      - code clean up, and some bug fixes
> 
> Future works
> =============
> 
>      - improving the caching and revocation: it is currently tested
>        and will be sent out soon after stability testing

Should be helpful enough to cache result until thing's opened for
writing, or is that what you're doing now?

thanks,
-chris
-- 
Linux Security Modules     http://lsm.immunix.org     http://lsm.bkbits.net
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