# 4277 — FIPS 140 validated cryptographic modules: active, historical or revoked

For 4277, vendor is Microsoft Corporation; module name is Microsoft Azure Linux Kernel Crypto API; module type is Software; validation date is 08/15/2022 03/01/2024; status is Active, verified against its source on 2026-08-05.

- **Certificate number:** 4277 _(verified: appears in the quote below)_
- **Vendor:** Microsoft Corporation _(verified: appears in the quote below)_
- **Module name:** Microsoft Azure Linux Kernel Crypto API _(verified: appears in the quote below)_
- **Module type:** Software _(verified: appears in the quote below)_
- **Validation date:** 08/15/2022 03/01/2024 _(verified: appears in the quote below)_
- **Status:** Active _(verified: appears in the quote below)_
- **Standard:** FIPS 140-2 _(verified: appears in the quote below)_

## What the source says

> 4277 | Microsoft Corporation | Microsoft Azure Linux Kernel Crypto API | Software | 08/15/2022 03/01/2024 | Active |

## Source

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