Living definition
What is SQIsign?
Post-Quantum Cryptography Security & Identity
- As of
- 2026-08-20
- Revision
- 2026-08-17.1
- Method
- v1.3.0
Definition
The term, in context
AI-assisted draft · approved dataset
SQIsign is an isogeny-based digital signature scheme in which the secret key is a hidden isogeny between supersingular elliptic curves and a signature is a proof of knowledge of that isogeny, constructed through the correspondence between isogenies and ideals in quaternion orders. It produces signatures and public keys far more compact than lattice-based or hash-based alternatives, at the cost of substantially heavier signing and verification computation.
Live readiness status
Status as of the current dateline
AI-assisted assembly · derived results
As of 2026-08-20, verified readiness is 17 (claimed 40, reported 28, gap 23) — Growing evidence strength; current signals suggest Too early to adopt.
The readiness fact belongs to the canonical Readiness Verdict for SQIsign.
Dataset approval
Human editorial release
pragma.vision editorial — standing authorization (operator dev@soft.house, 2026-07-17)
- Dataset
- 2026-08-17.1
- Hash
- sha256:0c37108a182f510fc8cf4d1dfc3a30339f2b59e62654201edea2f530a268707e
- Approved
- 2026-08-17