Progress in Cryptology – LATINCRYPT 2021

<p>Quantum Cryptography.- Tight Bounds for Simon's Algorithm.- Constructions for Quantum Indistinguishability Obfuscation.- On Forging SPHINCS+-Haraka Signatures on a Fault-tolerant Quantum Computer.- Post-Quantum Cryptography.- Post-Quantum Key-Blinding for Authentication in Anonymity Networks.- Implementing and measuring KEMTLS.- A Monolithic Hardware Implementation of Kyber: Comparing Apples to Apples in PQC Candidates.- Attribute-Based Access Control for Inner Product Functional Encryption from LWE.- Asymmetric Cryptanalysis.- Classical Attacks on a Variant of the RSA Cryptosystem.- Improved attacks against key reuse in learning with errors key exchange.- Cryptanalysis and Side-Channel Analysis.- Differential-ML Distinguisher: Machine Learning based Generic Extension for Differential Cryptanalysis.- Train or Adapt a Deeply Learned Profile.- Autocorrelations of vectorial Boolean functions.- Automatic Search for Bit-based Division Property.- TEDT2 - Highly Secure Leakage-resilient TBC-based Authenticated Encryption.- Distributed Cryptographic Protocols.- Weight-Based Nakamoto-Style Blockchains.- LOVE a Pairing.- Implementing Secure Reporting of Sexual Misconduct - Revisiting WhoToo.- Stronger Notions and a More E cient Construction of Threshold Ring Signatures.- Improved Threshold Signatures, Proactive Secret Sharing, and Input Certification from LSS Isomorphisms.- Multiparty Computation.- Full-Threshold Actively-Secure Multiparty Arithmetic Circuit Garbling.- The Cost of IEEE Arithmetic in Secure Computation.- Honest Majority MPC with Abort with Minimal Online Communication. </p>