Voltage - Identity Based Encryption.

[Hack Hawk]

So what they're saying is that your PRIVATE key is stored on a server 
somewhere on the Internet?!?!

http://www.voltage.com/technology/ibe.htm

According to the description, authentication is obtained using a directory 
or a domain.  If using a Microsoft domain for authentication is required, 
then how is it that the receiver is NOT required to obtain/purchase the 
software?

Here's the quote.
http://www.msnbc.com/news/935795.asp?0dm=T16KT
"Krishnamurthy said only the sender of an encrypted e-mail needs to have 
the company's software. The recipient can then automatically decode the 
message while using Outlook, Outlook Express, Eudora, or even a BlackBerry 
handheld."


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