NSS

External

• https://en.wikipedia.org/wiki/Network_Security_Services

Internal

• Linux 7 Security

Overview

Network Security Services (NSS) comprises a set of libraries designed to support cross-platform development of security-enabled client and server applications with optional support for hardware TLS/SSL acceleration on the server side and hardware smart cards on the client side. NSS provides a complete open-source implementation of cryptographic libraries supporting Transport Layer Security (TLS) / Secure Sockets Layer (SSL) and S/MIME.

Tools

certutil

certutil -L -d /etc/pki/nssdb

More certutil usage examples: http://serverfault.com/questions/498588/smtp-gmail-com-from-bash-gives-error-in-certificate-peers-certificate-issuer