Research

Watch · narrated walkthroughs

ML-KEM, End to End: From LWE to an IND-CCA Key-Encapsulation Mechanism

FIPS 203 is a KEM built by hardening a simple public-key scheme into active security. This series walks the whole construction - the underlying encryption, the KEM game, the Fujisaki-Okamoto transform, the silent decapsulation-failure attacks, and the implementation realities. Grounded in FIPS 203 and the primary papers.

Murali Chillakuru·5 episodes
  1. 1
    From LWE to a Public-Key Scheme: Compression, Rounding, and a Secret Hidden in Noise
    Watch ▸6:49
  2. 2
    KEMs and IND-CCA, Defined: What a Key-Encapsulation Mechanism Must Survive
    Watch ▸7:28
  3. 3
    The Fujisaki-Okamoto Transform: From Passive to Active Security by Re-Encryption
    Watch ▸7:16
  4. 4
    Decapsulation Failures and Their Consequences: Failure-Boosting Attacks
    Watch ▸7:08
  5. 5
    Implementation Realities: The NTT, Constant-Time Decapsulation, and the Parameter Sets
    Watch ▸7:36