New Laptop Configuration (Second Edition)
Updated guide for setting up a new macOS laptop including GPG/SSH key backup, Homebrew, Zsh, Neovim, and password store configuration.
Posts tagged security
Staying Anonymous
Tools and techniques for limiting your online exposure, covering encrypted DNS, VPNs, Tor, and browser privacy.
Authentication with AWS Cognito
A deep dive into AWS Cognito covering user pools, identity pools, and building an authentication system for web applications.
Security with Python
Building a Python encryption library using scrypt for key derivation, covering KDF, PBKDF2, and digest generation.
Hashing, Encryption and Encoding
A concise reference explaining the differences between hashing, encryption, and encoding with practical examples.
Key Architecture
An overview of a layered personal security architecture using GPG keys, encrypted password stores, and SSH key management.
Terminal Password Manager
Setting up Pass, a GPG-based command-line password manager, as a free and secure alternative to GUI tools like 1Password.
Multiple SSH Keys for Different GitHub Accounts
How to configure multiple SSH keys on one machine to work with separate GitHub accounts.
Client Cert Authentication
How to configure nginx with client certificate authentication using Docker, including CA and CRL setup.
Security basics with GPG, OpenSSH, OpenSSL and Keybase
A hands-on guide to cryptographic keys, PKI, GPG, OpenSSH, OpenSSL, and Keybase for encrypting and signing data.