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1  Products / Arduino Due / Re: ASYMMETRIC ENCRYPTION ARDUINO DUE on: March 10, 2013, 04:05:42 pm
http://lmgtfy.com/?q=tomcrypt
2  Products / Arduino Due / Re: ASYMMETRIC ENCRYPTION ARDUINO DUE on: March 07, 2013, 03:22:05 pm
What you are trying to do is non-trivial

What you are trying to do is non-trivial.  Proper crpyto implementations require a good attention to detail.  Also, using a reputable library is important.

Even if you use a reputable library, if you don't know the correct techniques and pitfalls to avoid, you will end up with an insecure application.

With that disclaimer out of the way, here is a StackOverflow question:

http://stackoverflow.com/questions/180870/what-is-the-best-encryption-library-in-c-c

I have used the TomCrypt library (google that) on a less powerful system than the cortex-m3, but not asymmetric crypto.  Asym. crypto will be quite taxing, but not impossible.  Give tomcrypt a try.  I know it used to be well regarded, but may no longer be due to it's lack of a supporting developer.  With crypto the more eyes you have on the library to find and fix bugs the better!

Good luck.
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