Elliptic Curves on Arduino

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adwnis123

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Can Elliptic curves be used on Arduino DUE for text message encryption/decryption and (not just for key generation)? Is there any other solution for using fast encryption/decryption using ECC (not ECDH or ECDSA)? I have done tests with this library: http://utter.chaos.org.uk/~markt/AES-library.zip on Arduino DUE achieving the below results:


Normally can't this be accelarated with ECC?

Thank you..
 

Calculation time looks fair for a 8-Bit processor, what do you expect?

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I see DUE is Cortex M3, but still a small processor.
 
FvM said:
Calculation time looks fair for a 8-Bit processor, what do you expect?

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I see DUE is Cortex M3, but still a small processor.
Click to expand...

What I am asking is whether I can achieve better results by using ECC? DUE uses 84MHz 32-bit ARM processor...

By the way, how do I encrypt/decrypt messages (not numbers) with Elliptic Curves?

Thank you...
 

I probably misunderstood the original question. You are using AES128 and are asking if it can be speeded up by ECC? The answer is no.

ECC is not cipher method on it's own. It can be used for key exchange with symmetrical encryption methods like AES.
 
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