# 2606 — FIPS 140 validated cryptographic modules: active, historical or revoked

For 2606, vendor is Microsoft Corporation; module name is Cryptographic Primitives Library (bcryptprimitives.dll and ncryptsslp.dll) in Microsoft Windows 10, Windows 10 Pro, Windows 10 Enterprise, Windows 10 Enterprise LTSB, Windows 10 Mobile, Windows 10 for Surface Hub; module type is Software; validation date is 06/02/2016 08/26/2016 06/10/2019; status is Historical, verified against its source on 2026-08-05.

- **Certificate number:** 2606 _(verified: appears in the quote below)_
- **Vendor:** Microsoft Corporation _(verified: appears in the quote below)_
- **Module name:** Cryptographic Primitives Library (bcryptprimitives.dll and ncryptsslp.dll) in Microsoft Windows 10, Windows 10 Pro, Windows 10 Enterprise, Windows 10 Enterprise LTSB, Windows 10 Mobile, Windows 10 for Surface Hub _(verified: appears in the quote below)_
- **Module type:** Software _(verified: appears in the quote below)_
- **Validation date:** 06/02/2016 08/26/2016 06/10/2019 _(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

> 2606 | Microsoft Corporation | Cryptographic Primitives Library (bcryptprimitives.dll and ncryptsslp.dll) in Microsoft Windows 10, Windows 10 Pro, Windows 10 Enterprise, Windows 10 Enterprise LTSB, Windows 10 Mobile, Windows 10 for Surface Hub | Software | 06/02/2016 08/26/2016 06/10/2019 | 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/).