Week 3c: Key Distribution & Web of Trust

Goal Master public key distribution methods: exporting and importing keys, using keyservers safely, and understanding the Web of Trust model for decentralized identity verification. Prerequisites: Week 3b (Encryption & Signatures) This is Part 3 of 4 - Covers key distribution, keyservers, and web of trust. 1. Public Key Distribution and Import Export Your Public Key # Export in ASCII armor (shareable format) gpg --armor --export [email protected] > alice-public-key.asc # View the exported key cat alice-public-key.asc Output: ...

October 14, 2025 · 6 min · Cypherpunk School

Week 3d: Key Management & Modern Alternatives

Goal Complete your GPG mastery with key lifecycle management (rotation, revocation, backup), practical email encryption, and understanding when to use modern alternatives like age for simpler use cases. Prerequisites: Week 3c (Key Distribution & Web of Trust) This is Part 4 of 4 - Covers key management, email encryption, and modern alternatives. 1. Key Management: Rotation, Revocation, and Backup Extending Key Expiration Your key expires in 2 years. Before expiration: ...

October 14, 2025 · 6 min · Cypherpunk School