808bits

Microsoft Windows XP Kernel Mode Cryptographic Module (FIPS.SYS)

FIPS 140-2 certificate #997 · 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

Certificate

Certificate number997
StandardFIPS 140-2
Statushistorical
Overall level1
Module typeSoftware
EmbodimentMulti-chip standalone
VendorMicrosoft Corporation · website
Software versions5.1.2600.5512

Module description

FIPS.sys is a general-purpose, software-based, cryptographic module residing at the Kernel level of the Windows Operating System. It runs as a kernel mode export driver (a kernel-mode DLL) and encapsulates several different cryptographic algorithms in an easy-to-use cryptographic module accessible by other kernel mode services.

Approved algorithms

AlgorithmCAVP certificate
HMAC429
RNG449
SHS785
Triple-DES677
Triple-DES MACvendor affirmed

Other algorithms

DES; MD5; HMAC MD5

Tested configurations

  • Microsoft Windows XP Professional SP3 (single-user mode)

Validation history

DateTypeLab
2008-08-15InitialSAIC-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: 2008-08-15

Source documents