diff options
author | Lutz Jänicke <jaenicke@openssl.org> | 2002-07-12 15:26:37 +0000 |
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committer | Lutz Jänicke <jaenicke@openssl.org> | 2002-07-12 15:26:37 +0000 |
commit | 876811e2af12fe7f5b05104ad2187516cff2aee2 (patch) | |
tree | cad0101779a3a9e266eb14ec0775f6b363d420a6 /FAQ | |
parent | b57c98df7b10234b185ef3c74be021a66eb52f10 (diff) | |
download | openssl-876811e2af12fe7f5b05104ad2187516cff2aee2.tar.gz |
Rewording: some algorithms are also patented in Europe, so choose more
defensive phrases...
Diffstat (limited to 'FAQ')
-rw-r--r-- | FAQ | 21 |
1 files changed, 9 insertions, 12 deletions
@@ -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? |