808bits

Windows Server 2008 R2 Enhanced DSS and Diffie-Hellman Cryptographic Provider (DSSENH)

FIPS 140-2 certificate #1338 · Microsoft Corporation · data as of 2026-08-28
Historical. RNG SP800-131A Revision 1 Transition. Federal agencies may reference historical validations for existing systems only, not for new procurement.
Caveat: When operated in FIPS mode with Code Integrity (ci.dll) validated to FIPS 140-2 under Cert. #1334 operating in FIPS mode and Kernel Mode Cryptographic Primitives Library (cng.sys) validated to FIPS 140-2 under Cert. #1335 operating in FIPS mode

Certificate

Certificate number1338
StandardFIPS 140-2
Statushistorical
Overall level1
Module typeSoftware
EmbodimentMulti-chip standalone
VendorMicrosoft Corporation · website
Software versions6.1.7600.16385

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

AlgorithmCAVP certificate
DSA390
RNG649
SHS1081
Triple-DES846
Triple-DES MACvendor affirmed

Other algorithms

DES; DES MAC; DES40; DES40 MAC; Diffie-Hellman; MD5; RC2; RC2 MAC; RC4

Tested configurations

  • Microsoft Windows Server 2008 R2 (IA64 version)
  • Microsoft Windows Server 2008 R2 (x64 Version)
  • Microsoft Windows Server 2008 R2 SP1 (IA64 version) (single-user mode)
  • Microsoft Windows Server 2008 R2 SP1 (x64 version)

Validation history

DateTypeLab
2010-08-12InitialSAIC-VA
2011-06-01UpdateSAIC-VA
2011-06-21UpdateSAIC-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: 2010-08-12, 2011-06-01, 2011-06-21

Source documents