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6 posts

September 9, 20269:00 AM7 min read

Cryptography

Calculate age passphrase attack times, understand the assumptions, and see why random selection matters more than password length alone.

September 7, 20268:30 AM4 min read

Cryptography

Compare a passphrase with an age key pair, make your own keys, and encrypt one file for two recipients.

September 5, 20269:05 AM5 min read

Cryptography

Learn how age encrypts file contents, what an authentication tag checks, and what happens when one byte changes.

September 4, 20268:40 AM4 min read

Cryptography

Learn how scrypt derives an age wrapping key, why each attempt uses time and memory, and what a slow calculation cannot prevent.

September 2, 20269:20 AM5 min read

Cryptography

Read an age file header one field at a time, with simple definitions for the salt, encrypted file key, and authentication code.

September 1, 20268:15 AM4 min read

Cryptography

A first file encryption example with age, from readable text to an encrypted file and back, with instructions for each command.

Showing 1 to 6 of 6 posts