Advances in Cryptology EUROCRYPT 2025

This eight-volume set, LNCS 15601-15608, constitutes the proceedings of the 44th Annual International Conference on the Theory and Applications of Cryptographic Techniques, EUROCRYPT 2025, held in Madrid, Spain, during May 48, 2025.

The 123 papers included in these proceedings were carefully reviewed and selected from 602 submissions. They are organized in topical sections as follows:
Part I: Secure Multiparty Computation I
Part II: Public-Key Cryptography and Key-Exchange
Part III: Advanced Cryptographic Schemes
Part IV: (Non-)Interactive Proofs and Zero-Knowledge
Part V: Secure Multiparty Computation II
Part VI: MPC II: Private Information Retrieval and Garbling; Algorithms and Attacks
Part VII: Theoretical Foundations
Part VIII: Real-World Cryptography

Inhalt

Public-Key Cryptography and Key-Exchange: Somewhat Homomorphic Encryption from Linear Homomorphism and Sparse LPN.- Leveraging Small Message Spaces for CCA1 Security in Additively Homomorphic and BGN-type Encryption.- Post-Quantum PKE from Unstructured Noisy Linear Algebraic Assumptions: Beyond LWE and Alekhnovich's LPN.- POKÉ: A Compact and Efficient PKE from Higher-dimensional Isogenies.- Re-Randomize and Extract: A Novel Commitment Construction Framework Based on Group Actions.- A reduction from Hawk to the principal ideal problem in a quaternion algebra.- Cryptanalysis of rank-2 module-LIP: a single real embedding is all it takes.- Do Not Disturb a Sleeping Falcon: Floating-Point Error Sensitivity of the Falcon Sampler and Its Consequences.- (Un)breakable curses - re-encryption in the Fujisaki-Okamoto transform.- Generic Anamorphic Encryption, Revisited: New Limitations and Constructions.- Glacius: Threshold Schnorr Signatures from DDH with Full Adaptive Security.- Stronger Security for Threshold Blind Signatures.- Non-Interactive Blind Signatures from RSA Assumption and More.- PAKE Combiners and E cient Post-Quantum Instantiations.- Hybrid Password Authentication Key Exchange in the UC Framework.- Under What Conditions Is Encrypted Key Exchange Actually Secure?