- From: Jeff Williams <jwkckid1@ix.netcom.com>
- Date: Fri, 07 Mar 1997 13:51:18 +0000
- To: Tom Libert <libert@gradient.com>
- CC: TLS <ietf-tls@w3.org>
Tom and all, Tom Libert wrote: > > At 09:17 AM 3/7/97 -0800, David Brownell -- JavaSoft wrote: > >> Date: Fri, 7 Mar 1997 10:27:29 -0500 > >> From: dpkemp@missi.ncsc.mil (David P. Kemp) > >> > >> Perhaps you should check with RSADSI to see if they still regard RC4 as > >> an "unpublished work", despite the fact that it leaked out some time ago. > > > >I believe the answer is "yes", so anyone (at least in the US) who > >wants to ship an "RC4-compatible" cipher should have lawyers ready. > >(The name "RC4" is probably trademarked, regardless of the secrecy > >of that algorithm.) > > >From Schneier, p. 398: "The name is trademarked, so anyone who writes his > own code has to call it something else....RSA Data Security, Inc. will almost > certainly sue anyone who uses unlicensed RC4 in a commercial product. > They probably won't win, but they will certainly make it cheaper for a company > to license than fight." > > RC4 appears to be a strong cipher. The TLS protocol should clearly > not mandate the use of proprietary ciphers, but neither should it > prohibit their use. I agree with this evaluation. It should be included. > -- > Tom Libert tel: 508.485.5235 x286 > Gradient Technologies, Inc. fax: 508.229.0338 > 2 Mount Royal Avenue http://www.gradient.com > Marlborough, MA 01752 -- Jeffrey A. Williams DIR. Internet Network Eng/SR. Java Development Eng. Information Eng. Group. Phone :913-294-2375 (temporary) E-Mail jwkckid1@ix.netcom.com
Received on Friday, 7 March 1997 15:04:00 UTC