Cross-sector · US
NIST PQC Deprecation
NIST deprecates quantum-vulnerable public-key algorithms after 2030 and disallows them after 2035 under its standards.
ForProduct security and compliance leads at vendors whose products are built and validated to NIST standards.
What’s changing, and when
NIST published IR 8547, Transition to Post-Quantum Cryptography Standards, in final form on 27 October 2026. It deprecates quantum-vulnerable signature and key establishment algorithms, including RSA, ECDSA and EdDSA, after 2030 and disallows their use under NIST standards and guidelines after 2035. The window serves lower-risk and legacy systems; earlier federal deadlines for the most sensitive systems still apply.
- 27 Oct 2026 IR 8547 published in final form
- After 2030 Quantum-vulnerable algorithms deprecated
- After 2035 Disallowed under NIST standards
Why it can’t happen in one step
Every product, protocol and certificate that relies on these algorithms must be replaced, and suppliers and customers move at different speeds through the five-year window.
How Polymonial carries you across
- Move to quantum-safe security without breaking trust in what already exists.
- Old and new signatures stay trusted side by side through the window.
- Signed records that cannot be quietly changed, before and after 2035.
Polymonial and crypto-agility
Crypto-agility changes your software. Smart Data Infrastructure keeps your data secure, trusted and under your control through the change.
Trust that travels.
Secure, trusted and under your control.