Cryptography

See https://www.geeksforgeeks.org/computer-networks/rsa-algorithm-cryptography.
See https://www.brandonchecketts.com/archives/ssh-ed25519-key-best-practices-for-2025.
See https://smallstep.com/blog/use-ssh-certificates.
See https://kenmoini.com/post/2022/04/diy-ca-with-small-step.
See https://jite.eu/2020/2/17/step-ca.
See https://kmanu225.gitbook.io/cs.
See https://kmanu225.gitbook.io/cs/cybersecurity/secrets-management/pki-demo.
See https://smallstep.com/docs/step-ca/certificate-authority-server-production.
See https://wiki.familybrown.org/ssh-certs.
See https://www.whatsdoom.com/posts/2020/02/23/build-your-own-certificate-authority.
See https://www.whatsdoom.com/posts/2020/02/29/ssh-certificates-with-step-ca.
See https://i.am.eddmil.es/posts/ssh-certificates.4

See https://rogerkeizer.medium.com/wsl2-ansible-the-fun-way-to-automate-your-windows-11-machine-e37ef00b0ed3.

1. All Things Secured

https://www.youtube.com/@AllThingsSecured

2. Another Roof

https://www.youtube.com/@AnotherRoof

The 8-Year Battle Royale that Saved Encryption 2:42:28
- Part 1 - What Quantum Computers Can (and Can’t) Do 12:29
- Part 2 - The Curves that Break Encryption 34:14
- Part 3 - Quantum-Secure Encryption is Here. And it’s WILD 38:41
- [Part 4 - ^]

Why is This Curve Called "The Witch"?

3. Cyber Hashira

https://www.youtube.com/@CyberHashira

4. Rob Braxman Tech

Password Complexity is a Lie - Here’s What Actually Keeps You Safe
https://haveibeenpwned.com
- dhkiestra@protonmail.com is OK.
- dkiestra@xs4all.nl has been pawned (5 data breaches).
- dkiestra@gmail.com has been pawned (2 data breaches).
- dkiestra@hotmail.com is OK.
- douwe@shoklo-unit.com is OK.