"John S. Denker" <[EMAIL PROTECTED]> writes:
> On 06/19/2003 01:49 PM, martin f krafft wrote:
>  > As far as I can tell, IPsec's ESP has the functionality of
>  > authentication and integrity built in:
> 
> It depends on what you mean by "built in".
>   1) The RFC provides for ESP+authentication but
> does not require ESP to use authentication.

I don't know what you mean. Yes, ESP doesn't per se forbid the
construction of a new algorithm/mode that doesn't do authentication,
but all of the ESP algorithms/modes currently in use do
authentication.


Perry

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