March Rx/Tx

Receive and transmit hitherto in March:

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L2TP IPSec VPN with npppd on OpenBSD

Introduction

If you're even slightly security- or privacy-conscious, which in the present era of Big Data and tech oligarchs is a provident predilection, you should, if not already, be using a VPN (Virtual Private Network). And I don't mean one of the oft-advertised commercial offerings you see plastered about social media—but one that you control. Where every outgoing request that leaves your computer is tunneled through an encrypted private network owned and operated by you. Fortunately, the …

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February Rx/Tx2


February Rx/Tx1


January Rx/Tx2


January Rx/Tx1


December Rx/Tx


RSA Encryption Algorithm

Introduction

RSA is perhaps the most well-known asymmetric cryptographic algorithm. When it was first introduced back in 1977, it revolutionised cryptography. The public-key cryptosystem, developed by creators Ron Rivest, Adi Shamir, and Leonard Adleman, uses prime factorisation to create a trapdoor function that produces both a public and private key known as a key pair. And by creating separate keys for encryption and decryption, this groundbreaking innovation removed the need to secretly and securely share a single secret key to exchange encrypted messages; with wide distribution of the …

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November Rx/Tx


EuroBSDCon 2019 Talks

The presentations from this year's EuroBSDCon held during late September in Lillehammer, Norway are now available on YouTube.

The program lists a number of interesting talks from seasoned OpenBSD developers such as Alexander Bluhm's assay of performance metrics on OpenBSD (cf. test results), and Stefan Sperling sharing the new Game of Trees git tool—more commonly referred to as got. But there are also many other speakers from various backgrounds presenting an assortment of topics ranging from Paul Vixie—the author of cron, and numerous RFCs—discussing DNS over HTTP (DoH) to an exposition on the basics of ZFS by Dan Langille …

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