[VOIPSEC] An issue of trust?

[stuart jacobs]

Logging in is user or peer-entity authentication

per-packet trust mechanism is data origin authentication

On Jun 20, 2006, at 9:34 AM, Geoff Devine wrote:

> Andy Zmolek writes:
> 	
>> Splitting hairs about authentication vs. encryption
>
> <snip>
>
> I struggle with the terminology.  The way I (mis?)use the term
> authentication, it can mean both:
>
> Logging In: IKE, Kerberos, SIP digest...  I guess this is "session
> authentication"
>
> Per-packet trust mechanism: SHA1, MMH...  I guess this is "packet
> authentication"
>
>> From context, it's not always obvious to me which one someone is 
>> talking
> about.  Are there better terms to distinguish between these two very
> different chunks of security technology?
>
> Geoff
>
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>
========================================================
Stuart Jacobs, CISM, CISSP
PMTS - Sr. Technologist
Network Security
Verizon Laboratories
40 Sylvan Road
Waltham MA 02451-1128
(781) 466-3076