Windows Vista Enhanced DSS and Diffie-Hellman Cryptographic Provider (DSSENH)
Caveat: When operated in FIPS mode with Code Integrity (ci.dll) validated to FIPS 140-2 under Cert. #980 operating in FIPS mode
Certificate
| Certificate number | 1003 |
|---|---|
| Standard | FIPS 140-2 |
| Status | historical |
| Overall level | 1 |
| Module type | Software |
| Embodiment | Multi-chip standalone |
| Vendor | Microsoft Corporation · website |
| Software versions | 6.0.6001.18000 and 6.0.6002.18005 |
Module description
DSSENH encapsulates several different cryptographic algorithms in an easy-to-use cryptographic module accessible via the Microsoft CryptoAPI. Software developers dynamically link the Microsoft DSSENH module into their applications to provide FIPS 140-2 compliant cryptographic support.
Approved algorithms
Other algorithms
DES; DES MAC; DES40; DES40 MAC; Diffie-Hellman (key agreement; key establishment methodology provides between 112 and 150 bits of encryption strength; non-compliant less than 112 bits of encryption strength); MD5; RC2; RC2 MAC; RC4
Tested configurations
- Microsoft Windows Vista Ultimate Edition SP1 (x64 version) (single-user mode)
- Microsoft Windows Vista Ultimate Edition SP1 (x86 Version)
Validation history
| Date | Type | Lab |
|---|---|---|
| 2008-08-15 | Initial | SAIC-VA |
| 2009-07-24 | 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: 2008-08-15, 2009-07-24