STOP OS 7 Kernel Cryptographic Module
STOP OS 7 Kernel Cryptographic Module, from BAE Systems, holds FIPS 140-2 certificate #1590 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 | 1590 |
|---|---|
| Standard | FIPS 140-2 |
| Status | historical |
| Overall level | 1 |
| Module type | Software |
| Embodiment | Multi-chip standalone |
| Vendor | BAE Systems |
| Software versions | 1.1 |
Module description
Quoted from the NIST CMVP entry for this certificate.
The STOP 7 Kernel Cryptographic Module is a library that is distributed as part of the monolithic kernel. The module provides the general purpose cryptographic functionality used by the kernel and kernel modules.
Approved algorithms (5)
Other algorithms
DES
Tested configurations
- STOP 7.3 Beta 1 (single-user mode)
Validation history
| Date | Type | Lab |
|---|---|---|
| 2011-08-10 | Initial | SAIC-VA |
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: 2011-08-10