Re: RFC 4121 & acceptor subkey use in MIC token generation

2023-10-27 Thread Ken Hornstein via Kerberos
>> Right, part of the problem there is that people want to "use Kerberos >> with ssh", and they don't understand the difference between gssapi- >> with-mic >> and gss-keyex. > >Aren't you supposed to use CAC or PIV cards? Well, I hate to use the "Air Bud" loophole, but the rules as I understand

Re: RFC 4121 & acceptor subkey use in MIC token generation

2023-10-27 Thread Simo Sorce
On Thu, 2023-10-26 at 17:57 -0400, Ken Hornstein via Kerberos wrote: > > > Unfortunately, ANOTHER one of the "fun" rules I live under is, > > > "Thou > > > shall have no other PKI than the DoD PKI". And as much as I can > > > legitimately argue for many of the unusual things that I do, I > > >

Re: RFC 4121 & acceptor subkey use in MIC token generation

2023-10-27 Thread Ken Hornstein via Kerberos
>Uh... If someone was able to swing that then you should be able to >swing use of MD5 for non-cryptographic purposes where a 20 year old RFC >requires it. But, I know, I know, never mind. You are assuming someone is looking at all of the STIGs and they're all logically consistent with each

Re: RFC 4121 & acceptor subkey use in MIC token generation

2023-10-27 Thread Nico Williams
On Fri, Oct 27, 2023 at 02:01:05PM -0400, Ken Hornstein via Kerberos wrote: > >Aren't you supposed to use CAC or PIV cards? > > Well, I hate to use the "Air Bud" loophole, but the rules as I > understand them don't ACTUALLY say that for ssh, and in some contexts > they explictly say that