Digital Interface Unit Crypto Module (DIU CM)
Digital Interface Unit Crypto Module (DIU CM), from Motorola, Inc., holds FIPS 140-2 certificate #336 at overall level 1. 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: When operated in FIPS mode
Certificate
| Certificate number | 336 |
|---|---|
| Standard | FIPS 140-2 |
| Status | historical |
| Overall level | 1 |
| Module type | Hardware |
| Embodiment | Multi-chip embedded |
| Vendor | Motorola, Inc. · website |
| Hardware versions | P/N T6721A Version CLN7611C |
| Firmware versions | R82.00.02 and R82.01.02 |
Module description
Quoted from the NIST CMVP entry for this certificate.
The DIU CM provides secure voice and Over-the-Air-Rekeying (OTAR) advanced key management for Motorola’s Digital Interface Unit (DIU). The DIU and DIU CM combine to provide these cryptographic services for Motorola’s APCO-25 compliant Astro ™ family of console and base station radio infrastructure equipment.
Security level exceptions
- Roles, Services, and Authentication: Level 2
- Design Assurance: Level 3
Approved algorithms (2)
Other algorithms
DES (Cert. #151); DES MAC (Cert. #151, vendor affirmed); DES-XL; DVI-XL; DVP-XL; HCA; AES MAC (Cert #2, P25 AES OTAR, vendor affirmed)
Validation history
| Date | Type | Lab |
|---|---|---|
| 2003-07-07 | Initial | UL Verification Services, Inc. |
| 2004-01-05 | Update | |
| 2004-03-30 | Update |
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: 2003-07-07, 2004-01-05, 2004-03-30