The last of the Big Crypto Patents --the RSA algorithm-- will officially expire and enter the Public Domain on 20 September 2000
http://www.linuxsecurity.com/content/view/108486/65/
Is RSA patented
http://www.rsasecurity.com/rsalabs/node.asp?id=2322
البته ببخشید که خبر کمی قدیمی است :sorry:
