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== Other approaches ==
A variant of the approach described above is an authenticated version in the work of Zhang, Zhang, Ding, Snook and Dagdelen in their paper, "Post Quantum Authenticated Key Exchange from Ideal Lattices."<ref>{{Cite journal|title = Workshop on Cybersecurity in a Post-Quantum World|url = https://www.nist.gov/itl/csd/ct/post-quantum-crypto-workshop-2015.cfm|journal = NIST|access-date = 2015-06-06|date = 2015-04-02}}</ref> The concept of creating what has been called a Diffie–Hellman-like Key Exchange using lattices with a reconciliation function appears to have first been presented by French researchers Aguilar, Gaborit, Lacharme, Schrek, and Zemor at PQCrypto 2010 in their talk, "Noisy Diffie–Hellman Protocols."<ref>{{Cite web|title = Noisy Diffie–Hellman protocols|url = https://pqc2010.cased.de/rr/03.pdf|website = pqc2010.cased.de|access-date = 2015-06-06|archive-url=https://web.archive.org/web/20150614110435/https://pqc2010.cased.de/rr/03.pdf |archive-date=2015-06-14 |url-status=dead}}</ref>
In November 2015, Alkim, Ducas, Pöppelmann, and Schwabe built on the prior work of Peikert and used what they believe is a more conservative costing of lattice attacks to recommend parameters.<ref name=":3">{{Cite web|title = Cryptology ePrint Archive: Report 2015/1092|url = https://eprint.iacr.org/2015/1092|website = eprint.iacr.org|access-date = 2015-11-11}}</ref> Software based on the work of Alkim, Ducas, Pöppelmann, and Schwabe is found on GitHub at https://github.com/tpoeppelmann/newhope<ref name=":3" />
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