From: Lutz Jänicke Date: Fri, 12 Jul 2002 15:26:37 +0000 (+0000) Subject: Rewording: some algorithms are also patented in Europe, so choose more X-Git-Tag: OpenSSL_0_9_6e~26^2~10 X-Git-Url: https://git.openssl.org/?p=openssl.git;a=commitdiff_plain;h=876811e2af12fe7f5b05104ad2187516cff2aee2;hp=b57c98df7b10234b185ef3c74be021a66eb52f10;ds=sidebyside Rewording: some algorithms are also patented in Europe, so choose more defensive phrases... --- diff --git a/FAQ b/FAQ index ec7a22242a..45566252f4 100644 --- a/FAQ +++ b/FAQ @@ -466,18 +466,10 @@ and the changes are only valid for the current DOS session. * What is special about OpenSSL on Redhat? -Red Hat Linux 7.0 and following versions already have a limited version of -openssl already installed. This may well apply to other Linux distributions -also. This version does not have support for the IDEA, RC5 and MDC-2 -algorithms as these are patented within the United States. For information -these patent numbers and expiry dates are: - -MDC-2: 4,908,861 13/03/2007 -IDEA: 5,214,703 25/05/2010 -RC5: 5,724,428 03/03/2015 - -However, Europeans and other non-Americans may wish to install all the -features. +Red Hat Linux (release 7.0 and later) include a preinstalled limited +version of OpenSSL. For patent reasons, support for IDEA, RC5 and MDC2 +is disabled in this version. The same may apply to other Linux distributions. +Users may therefore wish to install more or all of the features left out. To do this you MUST ensure that you do not overwrite the openssl that is in /usr/bin on your Red Hat machine. Several packages depend on this file, @@ -499,6 +491,11 @@ relevant updates in packages up to and including 0.9.6b. A possible way around this is to persuade Red Hat to produce a non-US version of Red Hat Linux. +FYI: Patent numbers and expiry dates of US patents: +MDC-2: 4,908,861 13/03/2007 +IDEA: 5,214,703 25/05/2010 +RC5: 5,724,428 03/03/2015 + [PROG] ======================================================================== * Is OpenSSL thread-safe?