RE: RC4 license
Mark Gavin <[email protected]> Thu, 24 Aug 2000 17:24:05 -0400
| Newsgroups | gmane.ietf.sfl |
|---|---|
| Message-ID | <p04320403b5cb40c01078@[63.100.177.66]> |
>I have been told by reliable sources that Patent 4,405,829 expires on 20 >September 2000. > >============================================ >John Pawling, [email protected] >Wang Government Services, Inc., >A Getronics Company >============================================ > > >-----Original Message----- >From: Bob Smith [mailto:[email protected]] >Sent: Thursday, August 24, 2000 2:42 PM >To: [email protected] >Subject: RC4 license > > > >I am planning to commercially release a program that uses SFL. Do I have to >buy a license from RSA to use the RC2 and RC4 algorithms found in the >crypto32 library? > >Bob John, The RC4 algorithm and the RSA algorithm are two very different items. As far as I know; RC4 is an RSA trade secret and is not covered under any patents, or at least not the patent for the RSA algorithm. -- Mark Gavin Vice President, Software Development Digital Applications, Inc. 60 South Lansdowne Avenue Lansdowne, PA 19050 (610) 284-4006 http://www.digapp.com