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encryption

GPG (GNU Privacy Guard)
GPG (GNU Privacy Guard) is a really neat way to encrypt messages. It uses a hybrid-encryption approach for security and ease of use. This hybrid approach uses public-key encryption to encrypt session …
RSA Cryptography
I was reading a blog post, A (Relatively Easy To Understand) Primer on Elliptic Curve Cryptography, on Cloudflare’s blog. The section titled “A toy RSA algorithm” was of particular …
Actualización rápida – Firebase
My pal Alex and I are writing a chat app that uses Google’s Firebase products. It’s coming along nicely and we continue to add new features. The more I use the real-time database the more I love it. …
Securing a Server
This post will cover securing a Linux server. Back in the day, I started with Red Hat 6 and Slackware 4; I still have a book from when I was learning Red Hat 6. I also ended up learning FreeBSD, but …