Comments (3)
dipapado
commented on August 26, 2024
1
In the future, we can look into writing explicitly one of the other algorithms that we know of that work for any curve without being susceptible to timing attacks (e.g., [Icart09]. However, I suspect this would be slower than the current _curve1 and that is why we skipped it in NSEC5.
from nsec5-draft.
goldbe
commented on August 26, 2024
We have _curve2 for Ed25519 (it is Elligator) but not for P256.
However _curve1 works for P256 and Ed25519. That's why its there.
from nsec5-draft.
goldbe
commented on August 26, 2024
We added Elligator for Curve25519 in draft-irtf-cfrg-vrf-02
We don't have an equivalent constant time hash for Curve P256 yet.
from nsec5-draft.
Related Issues (20)
- vrf draft hash-to-curve when sizes don't match HOT 7
- vrf hash_to_curve won't end up in G when cofactor > 1 HOT 2
- "Constraints on options" text in VRF draft HOT 1
- ECVRF_hash_to_curve1 not usable when input must be kept secret? HOT 3
- ECVRF verifying if curve has cofactor > 1 HOT 2
- need to define wire format for VRF PKs HOT 5
- Getting full uniqueness HOT 5
- Request RR Types HOT 5
- do we want to keep xC2xyC in VRF draft? HOT 3
- VRF terminology HOT 2
- OS2ECP failed state HOT 1
- the additional pseudorandomness property HOT 1
- remove "where X denotes Y" from algorithms
- Add discussion of RFC8020 and RFC 8198
- Adaption of Trevor Perrin "synthetic nonce" to VRF. HOT 1
- Explain that this is just Montgomery curve equation
- Explain these using conditional move (cmov) HOT 1
- Explain this by showing which bits go where
- Suite names in test vectors don't match the specification HOT 1
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from nsec5-draft.