| 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 legel by checking if there are any |
| patents in your country. The file contains some of the patents that we |
| know about or are rumoured to exist. This is not a definitive list. |
| ---------------------------------------------------------------------- |
| RSA Data Security holds software patents on the RSA and RC5 algorithms. |
| If their ciphers are used used inside the USA (and Japan?), you must contact |
| RSA Data Security for licencing conditions. Their web page is |
| RC4 is a trademark of RSA Data Security, so use of this label should perhaps |
| only be used with RSA Data Security's permission. |
| The IDEA algorithm is patented by Ascom in Austria, France, Germany, |
| Italy, Japan, Netherlands, Spain, Sweden, Switzerland, UK and the USA. |
| They should be contacted if that algorithm is to be used, their web page is |
