1998-12-23 15:42:26 +08:00
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Various companies hold various patents for various algorithms in
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various locations around the world. YOU are responsible for ensuring
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that your use of any algorithms is legel by checking if there are any
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patents in your country. The file contains some of the patents that we
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know about or are rumoured to exist. This is not a definitive list.
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1998-12-21 18:56:39 +08:00
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RSA Data Security holds software patents on the RSA and RC5 algorithms.
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1998-12-23 15:42:26 +08:00
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If their ciphers are used used inside the USA (and Japan?), you must contact
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1998-12-21 19:00:56 +08:00
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RSA Data Security for licencing conditions. Their web page is
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http://www.rsa.com
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1998-12-21 18:56:39 +08:00
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RC4 is a trademark of RSA Data Security, so use of this label should perhaps
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1998-12-23 15:42:26 +08:00
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only be used with RSA Data Security's permission.
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1998-12-21 19:00:56 +08:00
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The IDEA algorithm is patented by Ascom in Austria, France, Germany,
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Italy, Japan, Netherlands, Spain, Sweden, Switzerland, UK and the USA.
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They should be contacted if that algorithm is to be used, their web page is
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http://www.ascom.ch
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