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Re: Signed Envelope Sender: SRS on steroids

2004-03-01 07:47:03
Meng Weng Wong wrote:

It's a little bit like VERP and and TitanKeys and TMDA, except that the
tags aren't just plaintext but are cryptographically generated with a
secret.

For the record, TMDA is also cryptographically generated with a secret.

Also, TMDA offers three different "types" of envelopes you can use (all cryptographically generated of course!):

- Dated (expires after specified timeout)
- Keyword (never expires, may have to be revoked :read - blacklisted: if harvested)
- Sender (Only accepted if sender envelope matches what I generated it with)

--
Jim Ramsay
"Me fail English?  That's unpossible!"


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