[gnutls-help] How do I use the GnuTLS Transport Layer Security Secure Communications Library on Linux and Windows desktops?

Turritopsis Dohrnii Teo En Ming teo.en.ming at protonmail.com
Sat Oct 16 09:47:10 CEST 2021

Subject: How do I use the GnuTLS Transport Layer Security Secure Communications Library on Linux and Windows desktops?

Good day from Singapore,

How do I use the GnuTLS Transport Layer Security Secure Communications Library on Linux and Windows desktops?

I am very interested in the secure communications library and cryptography.

On the Overview page on your official website at https://gnutls.org/index.html, it says:


Welcome to GnuTLS project pages


GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface (API) to access the secure communications protocols as well as APIs to parse and write X.509, PKCS #12, and other required structures.

The project strives to provide a secure communications back-end, simple to use and integrated with the rest of the base Linux libraries. A back-end designed to work and be secure out of the box, keeping the complexity of TLS and PKI out of application code.


Support for TLS 1.3, 1.2, 1.1, 1.0 protocols, and (optionally) SSL 3.0
Support for DTLS 1.2, and DTLS 1.0, protocols
Support for certificate path validation, as well as DANE and trust on first use.
Support for the Online Certificate Status Protocol (OCSP).
Support for public key methods, including RSA and Elliptic curves, as well as password and key authentication methods such as SRP and PSK protocols.
Support for all the strong encryption algorithms, including AES and Camellia.
Support for CPU-assisted cryptography with VIA padlock and AES-NI instruction sets.
Support for cryptographic accelerator drivers via /dev/crypto.
Supports natively HSMs and cryptographic tokens, via PKCS #11 and the Trusted Platform Module (TPM).
Runs on most Unix platforms and Windows.


The core library licensed under the GNU Lesser General Public License version 2.1 (LGPLv2.1+). The LGPL license is compatible with a wide range of free licenses, and even permit you to use GnuTLS in non-free proprietary programs.

You can obtain GnuTLS' manual at lulu.com or download any of the electronic formats.

For more information on GnuTLS features, see the wikipedia article comparing different TLS implementations.


I am looking forward to your reply.

Thank you very much.

Mr. Turritopsis Dohrnii Teo En Ming, 43 years old as of 16 Oct 2021, is a TARGETED INDIVIDUAL living in Singapore. He is an IT Consultant with a Systems Integrator (SI)/computer firm in Singapore. He is an IT enthusiast.


The Gospel for all Targeted Individuals (TIs):

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Singaporean Targeted Individual Mr. Turritopsis Dohrnii Teo En Ming's Academic Qualifications as at 14 Feb 2019 and refugee seeking attempts at the United Nations Refugee Agency Bangkok (21 Mar 2017), in Taiwan (5 Aug 2019) and Australia (25 Dec 2019 to 9 Jan 2020):





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