Cryptanalysis -- See-In-The-Middle Attacks on Blockciphers ARIA and DEFAULT -- Implicit Key-stretching Security of Encryption Schemes -- Related-Key Differential Cryptanalysis of GMiMC Used in Post-Quantum Signatures -- Impossible Differential Cryptanalysis on Reduced-Round PRINCEcore -- Cyber Security -- Towards Constructing Consistent Pattern Strength Meters with User's Visual Perception -- Exploring Encrypted Keyboards to Defeat Client-Side Scanning in End-to-End Encryption Systems -- Differential Testing of Cryptographic Libraries with Hybrid Fuzzing -- Applied Cryptography -- Public Key Encryption with Hierarchical Authorized Keyword Search -- Private Evaluation of a Decision Tree based on Secret Sharing -- Reputation at Stake! A Trust Layer over Decentralized Ledger for Multiparty Computation and Reputation-Fair Lottery -- Fault and Side-Channel Attack -- Key recovery by side-channel information on the matrix-vector product in code-based cryptosystems -- Differential Fault Attack on AES using Maximum Four Bytes Faulty Ciphertexts -- Efficient Implementation -- A Performance Evaluation of IPsec with Post-Quantum Cryptography -- An Ultrafast Cryptographically Secure Pseudorandom Number Generator -- Time-Efficient Finite Field Microarchitecture Design for Curve448 and Ed448 on Cortex-M4 -- Signature Schemes -- Pointcheval-Sanders Signature-Based Synchronized Aggregate Signature -- Trapdoor Sanitizable and Redactable Signatures with Unlinkability, Invisibility and Strong Context-Hiding -- Group Testing Aggregate Signatures with Soundness -- Attribute-Based Signatures for Range of Inner Product and Its Applications -- Identity-based Interactive Aggregate Signatures from Lattices -- Post-Quantum Cryptography -- Analysis of (U,U+V)-code Problem with Gramian over Binary and Ternary Fields -- A Message RecoveryAttack on LWE/LWR-Based PKE/KEMs Using Amplitude-Modulated EM Emanations -- Preimage Sampling in the Higher-bit Approximate Setting With a Non-spherical Gaussian Sampler -- WOTSwana: A Generalized Sleeve Construction for Multiple Proofs of Ownership.

This book constitutes the refereed proceedings of the 25th International Conference, ICISC 2022, held in Seoul, South Korea, during November 30-December 2, 2022. The 24 full papers included in this book were carefully reviewed and selected from 69 submissions. They were organized in topical sections as follows: Public Key Encryption with Hierarchical Authorized Keyword Search, Implicit Key-stretching Security of Encryption Schemes.