"DUBLIN, Ireland--(BUSINESS WIRE)--Jan. 8, 2001-- Hush Communications (www.hush.com), a leading global provider of managed security solutions and encryption key serving technology, today announced it has been granted a patent for its revolutionary key pair management technology that enables personal computer users to send and receive fully encrypted electronic communications. Hush Communications, the category leader in key pair management technology, now has the exclusive intellectual ownership of its core technology, the Hush Encryption Engine(TM). " Full PR in http://biz.yahoo.com/bw/010108/hush_commu.html US Patent 6154543. It seems to be nothing more than store the private key on a server, give it out when the user presents the hash of their initial passphrase. Similar technology was part of DCE in 1996, cf http://www.opengroup.org/rfc/mirror-rfc/rfc94.1.txt Sigh... /r$
