-
- PATENTS
- -------
-
- Various companies hold various patents for various algorithms in various
- locations around the world. _YOU_ are responsible for ensuring that your use
- of any algorithms is legal by checking if there are any patents in your
- country. The file contains some of the patents that we know about or are
- rumored to exist. This is not a definitive list.
-
- RSA Security holds software patents on the RC5 algorithm. If you
- intend to use this cipher, you must contact RSA Security for
- licensing conditions. Their web page is http://www.rsasecurity.com/.
-
- RC4 is a trademark of RSA Security, so use of this label should perhaps
- only be used with RSA Security's permission.
-
- The IDEA algorithm is patented by Ascom in Austria, France, Germany, Italy,
- Japan, the Netherlands, Spain, Sweden, Switzerland, UK and the USA. They
- should be contacted if that algorithm is to be used; their web page is
- http://www.ascom.ch/.
-
- The MDC2 algorithm is patented by IBM.
-