post-quantum signatures + KEM in Caliptra 2.x via open-source Adams Bridge accelerator (CNSA 2.0 path), side-channel hardened
Caliptra 2.1: ML-DSA + ML-KEMobserved
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| Scope | Reference IP capabilities; implementation options and product integration must be verified for the shipped platform. Caliptra 2.1 is the latest released minor line as of 2026-10-17 (RTL v2.1.2; ROM 2.1.3 and FW 2.1.4 patch releases, combined release 2026-10-09). Caliptra 2.2 is announced and scheduled for release in December 2026 (Microsoft, 2026-10-13). Core ROM 2.1.0 and 2.1.1 had a secure-boot bypass (CVE-2026-11835), fixed in ROM 2.1.2, so check the ROM release in the shipped silicon. |
| As of | 2025-10 |
| Source | CHIPS Alliance Caliptra 2.1 announcement · Caliptra 2.1 announcement; Adams Bridge integration |
| Review | checking…review by 2027-01-15 · standard cadence |
| Recorded changes | last 2026-09-16 · 2 revisions tracked |
| Claim id | post-quantum-signatures-kem-in-caliptra-2-x-via |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.