# ECDSA — NIST cryptographic algorithm deprecation schedule: what is approved, deprecated, and disallowed, and when

For ECDSA, purpose is digital signature; current status is Approved; planned status is Deprecated after 2030, Disallowed after 2035; replacement is ML-DSA (FIPS 204); source document is IR 8547, Section 3 (via EncryptionConsulting summary), recorded from its source on 2026-08-15.

- **Algorithm:** ECDSA _(verified: appears in the quote below)_
- **Purpose:** digital signature
- **Current status:** Approved
- **Planned status:** Deprecated after 2030, Disallowed after 2035
- **Replacement:** ML-DSA (FIPS 204)
- **Source document:** IR 8547, Section 3 (via EncryptionConsulting summary)

## What the source says

> quantum-vulnerable public-key algorithms (RSA, ECDSA, ECDH, finite-field DH) are deprecated after 2030 and disallowed after 2035

## Source

- https://www.encryptionconsulting.com/education-center/nist-ir-8547-sp-800-131a-algorithm-transitions/

Last verified: 2026-08-15. Review by: 2027-02-11.
Part of [NIST cryptographic algorithm deprecation schedule: what is approved, deprecated, and disallowed, and when](https://referencesource.org/nist-cryptographic-algorithm-deprecation-schedule/).