[openssl-project] FW: [curves] new 25519 measurements of formally verified implementations

Salz, Rich rsalz at akamai.com
Fri Jan 26 13:53:57 UTC 2018


On 1/26/18, 7:06 AM, "D. J. Bernstein" <djb at cr.yp.to> wrote:

    Tung Chou's sandy2x code was (as the name suggests) optimized for Sandy
    Bridge. For Haswell and Skylake, the slides from Julio Lopez in
    report two followup implementations producing roughly 25% speedups for
    Curve25519; see slide 67/83.
    I do think that the hacl64 Curve25519 speeds are fast enough for pretty
    much everybody, and verification is certainly a huge plus, but people
    who want more speed should be aware of what's possible---and people
    working on Curve25519 verification shouldn't think they're done yet!
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