On 04/03/2016 02:52 AM, Yawning Angel wrote: > Your definition of "reasonably fast" doesn't match mine. The number > for SIDH (key exchange, when the thread was going off on a tangent > about signatures) is ~200ms. > > A portable newhope (Ring-LWE) implementation[0] on my laptop can do one > side of the exchange in ~190 usec. Saving a few cells is not a good > reason to use a key exchange mechanism that is 1000x slower > (NTRUEncrypt is also fast enough to be competitive). I have yet to see any SIDH benchmarks either. I checked the citation but I wasn't able to confirm where the ~200ms number came from. Thanks for throwing out specific numbers on Ring-LWE, I wasn't aware that it was so fast. -- Jesse V
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