Re: Please help: very urgent: Query on patented algorithms

2008-06-17 Thread Vin McLellan
At 01:20 PM 6/16/2008, Michael Sierchio wrote: RC4 is owned (and trademarked) by RSA Security Inc, but they are no longer enforcing the patent, RC4 was never protected by patent, but by trade secret. When the details of the algorithm were published, Ron Rivest himself suggested calling the

Please help: very urgent: Query on patented algorithms

2008-06-16 Thread bagavathy raj
Hi, I have openssl dlls(i.e.libeay32.dll, ssleay32.dll). I need to know if these libaries are using any of the patented algorithms like IDEA, RC4, RC5,MDC2 etc. Can you please let me know if there is any way to find out this? Any help would be highly appreciated. Thanks in adavance, Bagavathy

Re: Please help: very urgent: Query on patented algorithms

2008-06-16 Thread Mounir IDRASSI
Hi, Use the tool Dependency Walker (http://www.dependencywalker.com/) to look at the exported functions of libeay32.dll. If it exports RC5, you will see exported symbols starting with RC5. For MDC2, you'll find symbols starting with MDC2 and etc... Cheers, -- Mounir IDRASSI IDRIX

Re: Please help: very urgent: Query on patented algorithms

2008-06-16 Thread bagavathy raj
Hi, Is there any binary distribution where I can find SSL dlls without patented algorithms like IDEA,MCD2,RC4,RC5 etc. I tried compiling without them. I could exclude other algos but not RC4. Some linking issues. So i need to know if there is any ssl release without the patented algorithms. On

Re: Please help: very urgent: Query on patented algorithms

2008-06-16 Thread Chris Clark
On 6/16/08, bagavathy raj [EMAIL PROTECTED] wrote: Hi, Is there any binary distribution where I can find SSL dlls without patented algorithms like IDEA,MCD2,RC4,RC5 etc. I tried compiling without them. I could exclude other algos but not RC4. Some linking issues. So i need to know if there is

Re: Please help: very urgent: Query on patented algorithms

2008-06-16 Thread Michael Sierchio
RC4 is owned (and trademarked) by RSA Security Inc, but they are no longer enforcing the patent, RC4 was never protected by patent, but by trade secret. When the details of the algorithm were published, Ron Rivest himself suggested calling the alleged RC4 ARCFOUR. It is indeed a trademark