Re: [Cfrg] Licensing of ECC (was: Defining inter operable ECC keys in for IETF protocols)

["D. J. Bernstein" <djb at cr.yp.to>]

Curve25519 (http://cr.yp.to/ecdh.html) is state-of-the-art software for
elliptic-curve Diffie-Hellman. I've gone to considerable effort to track
down any potential patent claims against Curve25519; see Appendix A in
http://cr.yp.to/ecdh/curve25519-20051115.pdf. I've found no problems.

Blumenthal, Uri writes:
> treat ECC as you would a rattlesnake until ECC patents expire.

Precisely which patents are you talking about? Numbers, please.

---D. J. Bernstein, Professor, Mathematics, Statistics,
and Computer Science, University of Illinois at Chicago

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