Atalla Cryptographic Subsystem (ACS)
Atalla Cryptographic Subsystem (ACS), from Utimaco Inc., holds FIPS 140-2 certificate #2452 at overall level 3. The validation is historical: agencies may keep the module in existing systems but not buy it new. Below are its validation history, algorithm certificates and security policy, drawn from the NIST CMVP entry.
Caveat: None
Certificate
| Certificate number | 2452 |
|---|---|
| Standard | FIPS 140-2 |
| Status | historical |
| Overall level | 3 |
| Module type | Hardware |
| Embodiment | Multi-chip embedded |
| Vendor | Utimaco Inc. · website |
| Hardware versions | P/N AJ558-2102A |
| Firmware versions | Loader Version 0.67, PSMCU Version 2.13 |
Module description
Quoted from the NIST CMVP entry for this certificate.
The Atalla Cryptographic Subsystem (ACS) is a multi-chip embedded cryptographic module that provides secure cryptographic processing, key management, and storage capabilities.
Security level exceptions
- Mitigation of Other Attacks: N/A
Approved algorithms (4)
Other algorithms
NDRNG
Validation history
| Date | Type | Lab |
|---|---|---|
| 2015-09-30 | Initial | UL Verification Services, Inc. |
| 2016-01-25 | Update | UL Verification Services, Inc. |
| 2017-12-21 | Update | Leidos Accredited Testing & Evaluation (AT&E) Lab |
| 2018-12-04 | Update | Leidos Accredited Testing & Evaluation (AT&E) Lab |
Status timeline
As observed by this tracker's snapshots. NIST publishes no dates for list moves; observation began 2026-08-21, so earlier changes carry no date.
- 2026-08-21: first observed by this tracker, status historical
- Validation dates on record: 2015-09-30, 2016-01-25, 2017-12-21, 2018-12-04