[hashcash] [MS-OXPSVAL]: E-Mail Postmark Validation Protocol Specification
- From: Aaron Toponce <aaron.toponce@xxxxxxxxx>
- To: hashcash@xxxxxxxxxxxxx
- Date: Sun, 19 Jun 2011 15:16:37 -0600
Curious if anyone has read over this, and what their thoughts are. This is
Microsoft's implementation of a proof-of-work system, similar to Hashcash
(I hesitate to call it a "derivative").
http://msdn.microsoft.com/en-us/library/cc433493%28v=exchg.80%29.aspx
From what I can tell, the protocol is covered by a royalty-based patent,
which will prevent any Free Software implementations. What I find
interesting, is the recipients, sender and subject are encoded into a
base-64 string. What's the purpose of this? base-64 encoding doesn't add
any significant time to the processing, and it's trivial to reverse getting
the original data.
Anyway, just curious.
--
. o . o . o . . o o . . . o .
. . o . o o o . o . o o . . o
o o o . o . . o o o o . o o o
Other related posts:
- » [hashcash] [MS-OXPSVAL]: E-Mail Postmark Validation Protocol Specification - Aaron Toponce
