Q
QuantZero
Request Demo
Dashboard›NIST PQC R3›HAWK
LatticeRound 3 · 9 of 9sig ~1 KBfast sign

HAWK

Module-LIP (NTRU lattice)
← FAESTMAYO →

HAWK is a hash-then-sign lattice signature based on the Lattice Isomorphism Problem over module lattices. It avoids floating-point Gaussian sampling, giving constant-time implementations with very fast signing and verification.

Key parameters

spec snapshot
Hard problem
Module Lattice Isomorphism (Module-LIP)
Lattice
NTRU-style, integer arithmetic only
Public key size
≈ 1,024 B (HAWK-512)
Signature size
≈ 555 B (HAWK-512) / ≈ 1,221 B (HAWK-1024)
Sign / Verify
Sub-ms on commodity CPUs
NIST security levels
I, V

NIST citations

3 sources

Round timeline

5 events · 2023 → 2027
  1. Round 1

    Submission accepted

    Included in the 40-candidate cohort for the additional-signatures on-ramp.

  2. Round 2

    Advanced to Round 2

    NIST selected 14 candidates for continued analysis (IR 8528).

  3. Round 3

    Advanced to Round 3

    Down-selected to 9 candidates for the final evaluation round.

  4. Round 2

    Module-LIP analysis update

    Independent cryptanalysis confirmed parameter margins; no break.

  5. Round 3

    7th NIST PQC Standardization Conference

    Scheduled late spring / early summer 2027, Gaithersburg, MD.

Source: NIST CSRC · IR 8610 (Round 3 advancement, May 14, 2026) · IR 8528 (Round 2 advancement, Oct 24, 2024).