| Ralf S. Engelschall | 9acc2aa | 1998-12-23 07:42:26 +0000 | [diff] [blame] | 1 | Various companies hold various patents for various algorithms in |
| 2 | various locations around the world. YOU are responsible for ensuring |
| 3 | that your use of any algorithms is legel by checking if there are any |
| 4 | patents in your country. The file contains some of the patents that we |
| 5 | know about or are rumoured to exist. This is not a definitive list. |
| 6 | |
| 7 | ---------------------------------------------------------------------- |
| 8 | |
| Ralf S. Engelschall | 58964a4 | 1998-12-21 10:56:39 +0000 | [diff] [blame] | 9 | RSA Data Security holds software patents on the RSA and RC5 algorithms. |
| Ralf S. Engelschall | 9acc2aa | 1998-12-23 07:42:26 +0000 | [diff] [blame] | 10 | If their ciphers are used used inside the USA (and Japan?), you must contact |
| Ralf S. Engelschall | dfeab06 | 1998-12-21 11:00:56 +0000 | [diff] [blame] | 11 | RSA Data Security for licencing conditions. Their web page is |
| 12 | http://www.rsa.com |
| Ralf S. Engelschall | 58964a4 | 1998-12-21 10:56:39 +0000 | [diff] [blame] | 13 | |
| 14 | RC4 is a trademark of RSA Data Security, so use of this label should perhaps |
| Ralf S. Engelschall | 9acc2aa | 1998-12-23 07:42:26 +0000 | [diff] [blame] | 15 | only be used with RSA Data Security's permission. |
| Ralf S. Engelschall | dfeab06 | 1998-12-21 11:00:56 +0000 | [diff] [blame] | 16 | |
| 17 | The IDEA algorithm is patented by Ascom in Austria, France, Germany, |
| 18 | Italy, Japan, Netherlands, Spain, Sweden, Switzerland, UK and the USA. |
| 19 | They should be contacted if that algorithm is to be used, their web page is |
| 20 | http://www.ascom.ch |
| 21 | |
