# 1335 — FIPS 140 validated cryptographic modules: active, historical or revoked

For 1335, vendor is Microsoft Corporation; module name is Microsoft Windows Server 2008 R2 Kernel Mode Cryptographic Primitives Library (cng.sys); module type is Software; validation date is 08/12/2010 06/01/2011 06/21/2011 02/09/2012 01/24/2013; status is Historical, verified against its source on 2026-08-05.

- **Certificate number:** 1335 _(verified: appears in the quote below)_
- **Vendor:** Microsoft Corporation _(verified: appears in the quote below)_
- **Module name:** Microsoft Windows Server 2008 R2 Kernel Mode Cryptographic Primitives Library (cng.sys) _(verified: appears in the quote below)_
- **Module type:** Software _(verified: appears in the quote below)_
- **Validation date:** 08/12/2010 06/01/2011 06/21/2011 02/09/2012 01/24/2013 _(verified: appears in the quote below)_
- **Status:** Historical _(verified: appears in the quote below)_
- **Standard:** FIPS 140-2 _(verified: appears in the quote below)_

## What the source says

> 1335 | Microsoft Corporation | Microsoft Windows Server 2008 R2 Kernel Mode Cryptographic Primitives Library (cng.sys) | Software | 08/12/2010 06/01/2011 06/21/2011 02/09/2012 01/24/2013 | Historical |

## Source

- https://csrc.nist.gov/Projects/cryptographic-module-validation-program/validated-modules/Search?SearchMode=Advanced&Standard=140-2&CertificateStatus=Historical&ValidationYear=0

Last verified: 2026-08-05. Review by: 2026-09-04.
Part of [FIPS 140 validated cryptographic modules: active, historical or revoked](https://referencesource.org/fips-140-module-validation-status/).