Journal

Writing

On AI, web development, and things I'm building. 6 articles

· 8 min read

The Lock Anyone Can Close

RSA, public keys, and the strange mathematics of a one-way door.

cryptographysecurity
· 9 min read

Trust Is a Chain

Digital signatures, certificates, and who vouches for the vouchers.

cryptographysecurity
· 7 min read

What You Can't Unhash

Why some transformations are meant to be one-way, and what that makes possible.

cryptographysecurity
· 8 min read

The Same Key Locks and Unlocks

How symmetric encryption works, from a single flipped bit to the algorithm securing your laptop right now.

cryptographysecurity
· 5 min read

The Three Pillars of Cryptography

Confidentiality, integrity, and authentication, the three fundamental properties that every secure communication system must address.

cryptographysecurity