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Microsoft Windows 7 Kernel Mode Cryptographic Primitives Library (cng.sys)

Microsoft Corporation - FIPS 140 #1328

historicalLevel 11000 related CVEs

CNG.SYS runs as a kernel mode export driver, and provides cryptographic services, through their documented interfaces, to Windows 7 kernel components. It supports several cryptographic algorithms accessible via a FIPS function table request irp (I/O request packet).

Key facts

Scheme
FIPS 140
Certificate
1328
Standard
FIPS 140-2
Security level
Level 1
Status
historical
Vendor
Microsoft Corporation
Module type
Software
Embodiment
Multi-Chip Stand Alone
Lab
SAIC-VA
First validated
August 12, 2010
Versions
6.1.7600.16385, 6.1.7600.16915, 6.1.7600.21092, 6.1.7601.17514, 6.1.7601.17919, 6.1.7601.17725, 6.1.7601.21861 and 6.1.7601.22076
Caveat
When operated in FIPS mode with Windows 7 Winload OS Loader (winload.exe) validated to FIPS 140-2 under Cert. #1326 operating in FIPS mode

Algorithms

  • AES
  • AES GCM
  • AES GMAC
  • DRBG
  • ECDSA
  • HMAC
  • RNG
  • RSA
  • SHS
  • Triple-DES

Algorithm families of the CAVP certificates listed for this module, plus post-quantum algorithms named in its documents.

CVEs that may affect this product

and 950 more

Related CVEs and certificate references are automated matches by sec-certs, not reviewed by humans: treat them as "may be affected" and verify before acting.

Certificates it builds on

  • 1326

Certificate ids found in this certificate's documents (automated extraction).

Documents and sources

Source: sec-certs.org (CRoCS, Masaryk University), from NIST CMVP and the Common Criteria Portal - dataset of September 21, 2026 - synced October 15, 2026

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Microsoft Windows 7 Kernel Mode Cryptographic Primitives Library (cng.sys) - FIPS 140 #1328