RE: Time Stamp: tsa field in TSTInfo

[Peter Sylvester <Peter.Sylvester@xxxxxxxxxx>]

> The core time stamp information can be used indirectly, as a field inside 
> some third party WhateverService (WS) structure. Even (!) if this WS 
> structure gets signed/ enveloped, the signer is not going to be the TSA. 
> DCS as it stands now may serve as an example.
I am not sure what you want to say: 

A TimeStampToken is a CMS document that contains the signature
of the TSA, and a DCS provider can choose to include this in the
DCS response to indicate the time. So you have all the signerinfo
of the TSA, TDAs and DCS, etc.


> 
> So, having tsa inside the TSTInfo may come as a useful thing - the WS 
> clients may still want to know the TimeStamp's origin.
Agreed.