But how do those guys from verisign do timestamps ? DO they have a license
from Surety for their time stamp server?
Bye
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, July 09, 1999 3:05 AM
Subject: Re: Off the Road: Time Stamping
>
> Daniel,
>
> according to Schneier's book "Appied Crypto" timestamping protocols
> are patented so you might not be able to use it without a proper license.
> It should not be too hard to implement one with crypto calls provided
> by Openssl library. However you still might want to contact
> Surety Technology if there's strict shedule and/or other requirements.
>
> You might want to download a papers if book is not handy; there's at
> least 3 entries with "stamp" in title listed on Counterpane's site.
>
> hope this helps,
> Vadim
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