# 2721 — FIPS 140 validated cryptographic modules: active, historical or revoked For 2721, vendor is Red Hat®, Inc; module name is Red Hat Enterprise Linux Libreswan Cryptographic Module v4.0; module type is Software; validation date is 08/29/2016 12/20/2016; status is Historical, verified against its source on 2026-08-05. - **Certificate number:** 2721 _(verified: appears in the quote below)_ - **Vendor:** Red Hat®, Inc. _(verified: appears in the quote below)_ - **Module name:** Red Hat Enterprise Linux Libreswan Cryptographic Module v4.0 _(verified: appears in the quote below)_ - **Module type:** Software _(verified: appears in the quote below)_ - **Validation date:** 08/29/2016 12/20/2016 _(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 > 2721 | Red Hat®, Inc. | Red Hat Enterprise Linux Libreswan Cryptographic Module v4.0 | Software | 08/29/2016 12/20/2016 | 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/).