Information Security and Cryptology

The two-volume set LNCS 15543 and 15544 constitutes revised selected papers of the 20th International Conference on Information Security and Cryptology, Inscrypt 2024, held in Kunming, China, during December 1416, 2024. The 47 full papers presented in these proceedings were carefully reviewed and selected from 156 submissions. The papers were organized in the following topical sections: Part I : Big data and cloud security; Foundations of Cryptography; Implementation of Cryptosystems; Key Exchange; AI and Security; Security Analysis; Privacy-enhancing technologies; Watermarking. Part II : Public Key Cryptosystems; Security Protocols Analysis; Symmetric Cryptanalysis; Quantum and Post Quantum Cryptography.

Inhalt

.- Public Key Cryptosystems.

.- Extended Policy-based Sanitizable Signatures.

.- Practical Generic Construction of Fully Collision Resistant Chameleon Hash and Instantiations.

.- Quasi-Linearly Homomorphic Signature for Data Integrity Auditing in Cloud Storage.

.- Generalized Cryptanalysis of Cubic Pell RSA.

.- On Concrete Security Treatment of Signatures Based on Multiple Discrete Logarithms.

.- Hierarchical Functional Encryption for Quadratic Transformation.

.- Solving Modular Linear Equations via Automated Coppersmith and its Applications.

.- How to Construct Public Timeline for RSA-formed Time-Lock Cryptography.

.- Security Protocols Analysis.

.- Permutation Argument via Bases Transformation.

.- Efficient and Verifiable Multi-Server Framework for Secure Information Classification and Storage.

.- Formal Analysis of WAPI Authentication and Key Agreement Protocol.

.- Symmetric Cryptanalysis.

.- Committing Security of AEAD Based on Stream Cipher.

.- Integral Attacks Against DIBO Structures: A Low-Complexity Key Extraction Method.

.- Cube Attacks against Trivium, Kreyvium and ACORN with Practical Complexity..

.- Improving the Search Algorithm for the Best Differential/Linear Trails of Bit-Permutation-Based Ciphers.

.- A Note on Neutral Bits for ARX Ciphers from the Perspective of BCT.

.- An Automatic Search Method For 4-bit S-box Towards Considering Cryptographic Properties and Hardware Area Simultaneously.

.- Revisiting Truncated Differential Attack from the Perspective of Equivalent Propagation Equations: Improved attacks on TWINE and LBlock.

.- Cryptanalysis of BAKSHEESH Block Cipher.

.- Quantum and Post Quantum Cryptography.

.- Quantum Cryptanalysis of Generalized Unbalanced Feistel Structures: Distinguisher and Key Recovery Attack.

.- Simplified Periodic Distinguishers Searching: Application to GFS-4F/2F and TWINE.

.- Fast Fourier Transform and Gaussian Sampling Instructions Designed for FALCON.

.- Quantum Public-Key Encryption of Quantum States, and More.