[OpenAFS] Re: Heimdal KDC bug mentioned in rekeying document

Jeffrey Altman jaltman@secure-endpoints.com
Mon, 29 Jul 2013 18:12:30 -0400


This is a cryptographically signed message in MIME format.

--------------ms020006000501070201060400
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

Secure Endpoints has pushed fixes to https://github.com/heimdal/heimdal
for both the 'master' (aka pre-1.6) and 'heimdal-1-5-branch' branches.
With the HEAD of each branch the following is now true:

1. The svc_use_strongest_session_key option does not need to
   be enabled.  If you choose to enable it you can.

2. If the afs/* service principal does not have a 1des key and the
   client requests a 1des key, a 1des session key can be issued.

3. a 1des session key or service ticket key can be issued for afs/*
   service principals even if 'allow_weak_crypto' is not enabled.

Thanks to Stanford University and KTH for testing.

Jeffrey Altman


--------------ms020006000501070201060400
Content-Type: application/pkcs7-signature; name="smime.p7s"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="smime.p7s"
Content-Description: S/MIME Cryptographic Signature
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=
--------------ms020006000501070201060400--