Author

Fahad Ahmad

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Open access 2026

Key Recovery from Embedded Symmetric-Cipher Key Schedules via Sequential Peeling on Lagrangian Submanifolds

: We show that a symmetric-cipher key schedule embedded onto a Lagrangian submanifold leaks its key in closed form. In the Lagrangian Balanced Encryption (LBE) construction, each schedule byte sets the kick strength of one iterate of the Chirikov standard map, and the difficulty of identifying a Lagrangian from limited...

Victoria Mellor, Fahad Ahmad · Computers, Materials & C... · 0 citations

Open access Aug 2026

FINGERTRAP: A Self-Defending Cryptographic Protocol for Network Communications

The full protocol is described, game-based security arguments under an explicit adversarial model are provided, analytic cost estimates for the friction mechanism are given, the denial-of-service surface and a two-layer mitigation strategy are analysed, and a post-quantum extension is specified using hybrid X25519/ML-K...

Victoria Mellor, Mo Adda, Fahad Ahmad · Electronics · 0 citations