Cryptography

A Holistic Framework for Impossible Boomerang Attacks

Bootstrapping (T)FHE Ciphertexts via Automorphisms: Closing the Gap Between Binary and Gaussian Keys

Learning from Functionality Outputs: Private Join and Compute in the Real World

Multi-Authority Functional Encryption with Bounded Collusions from Standard Assumptions

Polynomial Inversion Algorithms in Constant Time for Post-Quantum Cryptography

Revisiting Beimel-Weinreb Weighted Threshold Secret Sharing Schemes

Secure Showing of Partial Attributes

Shuffle Shamir Secret Shares Uniformly with Linear Online Communication

The Nonlinear Filter Model of Stream Cipher Redivivus

Wiretapping LLMs: Network Side-Channel Attacks on Interactive LLM Services