# RSA key transport — NIST cryptographic algorithm deprecation schedule: what is approved, deprecated, and disallowed, and when For RSA key transport, purpose is key establishment; current status is Approved; planned status is Deprecated after 2030, Disallowed after 2035; replacement is ML-KEM (FIPS 203); source document is IR 8547, Section 3 (via EncryptionConsulting summary), recorded from its source on 2026-08-15. - **Algorithm:** RSA key transport _(verified: appears in the quote below)_ - **Purpose:** key establishment - **Current status:** Approved - **Planned status:** Deprecated after 2030, Disallowed after 2035 - **Replacement:** ML-KEM (FIPS 203) - **Source document:** IR 8547, Section 3 (via EncryptionConsulting summary) ## What the source says > key-establishment schemes including RSA key transport, elliptic-curve Diffie-Hellman (ECDH), and finite-field Diffie-Hellman ## 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/).