Network Security Services (NSS)

Network Security Services (NSS) is a set of libraries designed to support cross-platform development of security-enabled client and server applications. Applications built with NSS can support SSL v3, TLS, PKCS #5, PKCS #7, PKCS #11, PKCS #12, S/MIME, X.509 v3 certificates, and other security standards.

NSS is available under the Mozilla Public License v2 (MPLv2).

If you’re a developer and would like to contribute to NSS, you might want to read the documents:

Getting Started

mozilla_projects_nss_building

How to download, build and test NSS.

mozilla_projects_nss_releases

Information about recent releases of NSS.

mozilla_projects_nss_community

This page contains information about the community and how to reach out.

mozilla_projects_nss_legacy_docs

This page contains legacy documentation imported from MDN.