practical-tls Archives – Practical Networking .net

Openssl 3.x and Legacy Providers

Ed Harmoush — Tue, 18 Apr 2023 18:42:58 +0000

Openssl v 3.0 released in Sept 2021, and one of the major changes was this one: Provider based architecture. A replacement for the old “engine” interface that enables much more flexibility and the ability for third party authors to add new crypto algorithms into OpenSSL. https://www.openssl.org/blog/blog/2021/06/17/OpenSSL3.0ReleaseCandidate/ In simpler, practical terms, this means the “old” way,… Read More »Openssl 3.x and Legacy Providers

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RSA, Diffie-Hellman, DSA: the pillars of asymmetric cryptography

Ed Harmoush — Fri, 03 Dec 2021 18:38:45 +0000

The world of modern cryptography is built upon the concept of Asymmetric Encryption, and the pillars of Asymmetric Encryption are these three algorithms: RSA, Diffie-Hellman, and DSA (Digital Signature Algorithm). But unfortunately, there are many misconceptions about these algorithms, and about Asymmetric Cryptography itself. In this article, we’re going to look at each of these… Read More »RSA, Diffie-Hellman, DSA: the pillars of asymmetric cryptography

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Practical TLS – Free SSL Training – Module 1

Ed Harmoush — Thu, 08 Jul 2021 22:00:46 +0000

Recently, I published a full SSL training course which is a comprehensive, deep dive into SSL and TLS — the protocols which secure the Internet. I want people to see the quality of the content within the course, so I’m planning to release free previews of some of the lessons. Over the next few weeks,… Read More »Practical TLS – Free SSL Training – Module 1

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