A small private notebook. Most entries trace the same idea from its historical motivation through to its modern restatement, sometimes pausing on a specific theorem or attack along the way.
- 2026-05-21 Quantum computing and Shor's algorithm in plain words
- 2026-05-12 The Diffie–Hellman key exchange and its discrete-logarithm cousin
- 2026-05-02 SHA-3 and the Keccak sponge construction
- 2026-04-18 AES, the substitution-permutation lineage, and why we still use it
- 2026-04-04 Hash functions and the avalanche effect
- 2026-03-21 The birthday paradox in cryptanalysis
- 2026-03-07 Elliptic curve cryptography: an unhurried walk through the basics
- 2026-02-22 RSA and public-key cryptography
- 2026-02-08 A short history of the Caesar cipher
- 2026-01-25 Information theory and Shannon's source coding theorem