Date: Wed, 1 Mar 1995 05:13:27 -0500 From: "Charles M. Hannum" <mycroft@ai.mit.edu> To: jkh@freefall.cdrom.com Cc: pst@Shockwave.COM, hackers@freefall.cdrom.com, security@freefall.cdrom.com Subject: Re: key exchange for rlogin/telnet services? Message-ID: <199503011013.FAA05750@duality.gnu.ai.mit.edu>
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According to someone Very Well Versed (tm) in this issue: D-H falls under the broad "Hellman-Diffie-Merkle" patent, which (according to PKP) claims all of public-key cryptography. That patent expires in 1997. The RSA patent expires in 2000. Both patents are controlled by PKP (Public Key Partners, a/k/a Jim Bidzos). The RSA "FAQ About Today's Cryptography", available off of http://www.rsa.com/, has a little more info about the various patents. I'm sure the various cypherpunk pages on the Web have pointers, too. P.S. Your message was extremely rude.
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