Silva rerum de cifris et clavibus

arXiv Cryptography (cs.CR) | 01.10.2026

Time-space lower bounds for breaking quantum cryptography

arXiv Cryptography (cs.CR) | 01.10.2026

Homomorphic Advantage Operator: Stabilizing Reinforcement Learning Under Fully Homomorphic Encryption Constraints

arXiv Cryptography (cs.CR) | 01.10.2026

Can AI Oversight Be Zero Knowledge?

arXiv Cryptography (cs.CR) | 01.10.2026

System-Level Optimization Beyond Cryptographic Kernels: An ML-KEM Case Study on Arm Cortex-M7

arXiv Cryptography (cs.CR) | 01.10.2026

Combining Homomorphic Encryption and Differential Privacy in Federated Learning for Model Inspection and Availability

arXiv Cryptography (cs.CR) | 01.10.2026

OverAct: Measuring and Mitigating Proactive Over-Authorization in LLM Tool-Calling Agents

IACR ePrint Archive | 30.09.2026

zk-BAN: An efficient anonymous blocklisting system with signature-based revocation

IACR ePrint Archive | 30.09.2026

Defeating Time-Average Selfish Mining Across Epoch Boundaries in Nakamoto Consensus

IACR ePrint Archive | 30.09.2026

Slashable Secrecy for Witness Encryption over Ethereum Finality

IACR ePrint Archive | 30.09.2026

Attacking UOV-based Signatures over divided power algebras

IACR ePrint Archive | 30.09.2026

Exact SVP on Haar-Random Lattices at the Heuristic Sieving Exponents

IACR ePrint Archive | 29.09.2026

UC PAKE and Concrete Security

arXiv Cryptography (cs.CR) | 30.09.2026

Semi-Quantum Cryptography with Certified Deletion

arXiv Cryptography (cs.CR) | 30.09.2026

On The Simplest Quantum-Secure Block Cipher

arXiv Cryptography (cs.CR) | 30.09.2026

Need for Coherent Access in Constructing Quantum Cryptography

arXiv Cryptography (cs.CR) | 30.09.2026

On quantum interactive proofs with a laconic prover

arXiv Cryptography (cs.CR) | 30.09.2026

Identity-Bound Governance Under Execution Uncertainty: An Accountability Proof Block for LLM Agent Persistent Halts, with Cryptographic Implementation and Cross-Model Calibration

IACR ePrint Archive | 29.09.2026

Consensus in One Shot: Fast Agreement Beyond Classical Limits

IACR ePrint Archive | 29.09.2026

Kopis: A KEM for Obfuscation

IACR ePrint Archive | 29.09.2026

Chinese NGCC Algorithms: The First Week of AI Cryptanalysis

IACR ePrint Archive | 29.09.2026

The Illusion of Payload Blindness: Why MEV Mitigations Fail in Practice

IACR ePrint Archive | 29.09.2026

THEMIS: A Co-Designed System for Encrypted Transformer Inference

IACR ePrint Archive | 29.09.2026

Levis: Extension-Free Multi-Key Fully Homomorphic Encryption in the Plain Model

IACR ePrint Archive | 29.09.2026

NOMOS: Secure Non-Interactive $k$NN under CKKS

IACR ePrint Archive | 29.09.2026

A Provable Subexponential-Time Algorithm for LWE from $n+o(n)$ Samples via Wagner-Style Gaussian Sampling

IACR ePrint Archive | 29.09.2026

PQMZ: Formally Verified Falcon-PKR for Post-Quantum Cryptographic Migration in Zcash

IACR ePrint Archive | 29.09.2026

Supersingularity and Superspeciality Verification of Abelian Surfaces

IACR ePrint Archive | 29.09.2026

Superposition Key-Recovery Attacks on Dilithium and Fiat-Shamir Signature Schemes

IACR ePrint Archive | 29.09.2026

Affine-Padding Rabin-Oracle Factoring in $L_n\!\left(\frac{1}{3},\sqrt[3]{\frac{32}{9}}\right)$

IACR ePrint Archive | 29.09.2026

Improved Differential-Linear Cryptanalysis of Orthros, Gleeok, ZIP-AES, and ZIP-GIFT

arXiv Cryptography (cs.CR) | 29.09.2026

Epistemic Typing as a PostgreSQL Table Access Method: Adversarial Conflict Resolution Under Confidence Forgery and Sybil Coordination

IACR ePrint Archive | 28.09.2026

Generic Bounds for Multi-Instance Problems: The Strange Case of Inverse Diffie-Hellman

IACR ePrint Archive | 28.09.2026

Batch Decryption from New Standard Assumptions

IACR ePrint Archive | 28.09.2026

Adaptively UC-Secure Oblivious Transfer from Group Actions

IACR ePrint Archive | 28.09.2026

Decryption Failures in NGCC Lattice KEMs: Correlated Blocks, Omitted Compression Noise, and Failure Boosting under a Query Cap

IACR ePrint Archive | 28.09.2026

Cyclotomic Cosets: Hidden Subgroup and Quantum Sieving Algorithm for Prime-Power Moduli

IACR ePrint Archive | 28.09.2026

ML-DSA masking sweetened with SUCRE: Shuffle-and-Unmask Countermeasure for REjection sampling

IACR ePrint Archive | 28.09.2026

Geometric Forgeries: Structural Cryptanalysis of MAYO

IACR ePrint Archive | 28.09.2026

Binding Humans to Keys: A Secure Decentralized Proof of Personhood Protocol

IACR ePrint Archive | 28.09.2026

An improved near-capacity lower bound for Reed-Solomon lists on multiplicative subgroups

IACR ePrint Archive | 28.09.2026

An Operator-Norm Approach to Security with Quantum Advice

IACR ePrint Archive | 28.09.2026

TPOKÉ: Threshold Public-Key Encryption from POKÉ via Isogeny Sharing

IACR ePrint Archive | 28.09.2026

Error Propagation-Aware Scale Design for Efficient Homomorphic Encryption-Based LLM Inference

IACR ePrint Archive | 28.09.2026

Quantum Security of XOR of Permutations via Fourier Analysis

IACR ePrint Archive | 28.09.2026

Improved Cryptanalysis of Local PRGs

arXiv Cryptography (cs.CR) | 28.09.2026

INTCC: A Framework for Interactive Confidential Computing

arXiv Cryptography (cs.CR) | 28.09.2026

LLM-Assisted Automatic Security Proofs for Cryptographic Protocols: How Far Are We?

arXiv Cryptography (cs.CR) | 28.09.2026

Zero Knowledge Proofs in Quantum Networks

arXiv Cryptography (cs.CR) | 28.09.2026

Efficient TCitH-Based Alternatives to SLH-DSA: Cross-Layer ASIC Design of Mirath

IACR ePrint Archive | 27.09.2026

One Unverified Coordinate Is Enough: Key Recovery from Faulty Fujisaki–Okamoto Rejection Checks in ML-KEM

IACR ePrint Archive | 27.09.2026

Threshold Signatures with Identifiable Abort from One-way Functions

IACR ePrint Archive | 27.09.2026

Lower Bounds on Random-Oracle-Model Signature Length

IACR ePrint Archive | 27.09.2026

A Complete Classification of Whole-Output Linear Structures in FEILIAN-Type Components

IACR ePrint Archive | 27.09.2026

Practical Null-Branch Witness Attacks on In-the-Head Signatures

IACR ePrint Archive | 27.09.2026

Enhanced Embarrassingly Parallel Attacks against EC-HMQV-C and ECMQV

IACR ePrint Archive | 27.09.2026

Mind the Gap: Proving and Improving RPKI

IACR ePrint Archive | 27.09.2026

Cryptanalysis of the ICCS NGCC Round-1 Public-Key Candidates

IACR ePrint Archive | 27.09.2026

Truncated Differential Preimage Attacks via Differential-Linear Correlations

IACR ePrint Archive | 27.09.2026

Indistinguishability of Sum of Permutations: A Fourier Analytic Route to Classical and Quantum Security

IACR ePrint Archive | 27.09.2026

Local Rewriting under Assumed Erasure

arXiv Cryptography (cs.CR) | 27.09.2026

No Free Efficiency: Revisiting the Trade-off Between Training Efficiency and Model Vulnerability

arXiv Cryptography (cs.CR) | 27.09.2026

RAISE: Reinforcing Access Control Policy Synthesis in LLMs via Symbolic Evaluation

IACR ePrint Archive | 26.09.2026

Adelic reduction of module lattices

IACR ePrint Archive | 26.09.2026

A Fiat-Shamir Transformation for Private-Coin Protocols

IACR ePrint Archive | 26.09.2026

FALCON++: Shorter Signatures without NTRU Smoothing Estimates

IACR ePrint Archive | 26.09.2026

Breaking the G\'omez-Torrecillas--Lobillo--Navarro Cryptosystem: LLL Recovers the Secret Key Within Seconds

IACR ePrint Archive | 26.09.2026

The Tower of Babel: Large Language Models for Side-channel Analysis

IACR ePrint Archive | 26.09.2026

Linear Key Recovery in the BAG-Loong Reference Implementation

IACR ePrint Archive | 26.09.2026

Dimension-4 SQIsign at Round-3 Parameters: Sizes and Costs of the Compact Format

IACR ePrint Archive | 25.09.2026

Threshold Key Encapsulation Mechanisms via MPC: ML-KEM Compatibility and Optimization

arXiv Cryptography (cs.CR) | 26.09.2026

Curv-Tail: Lightweight Long-Tailed Encrypted Traffic Classification with Discrete Packet-Length Encoding and Lorentz Prototypes

IACR ePrint Archive | 25.09.2026

Incrementally Verifiable Computation without Extraction

IACR ePrint Archive | 25.09.2026

Codetta: High-Capacity, Keyless, and Undetectable Multi-Agent Collusion

IACR ePrint Archive | 25.09.2026

Interactive Proofs of Proximity for Model Evaluation

IACR ePrint Archive | 25.09.2026

On the Multi-User Security of CSI-FiSh with Tight Reductions

IACR ePrint Archive | 25.09.2026

Quantum security analysis of unrestricted isogeny-based group actions

arXiv Cryptography (cs.CR) | 25.09.2026

The planted tensor problem over finite fields: algorithms and cryptography

arXiv Cryptography (cs.CR) | 25.09.2026

Peregrino: A Full-Hardware Accelerator for the Complete Falcon Post-Quantum Digital Signature Scheme on Resource-Constrained Edge Devices

arXiv Cryptography (cs.CR) | 25.09.2026

BenX: Resource-Sharing Permutations for Computational Integrity

arXiv Cryptography (cs.CR) | 25.09.2026

Werracle: Sub-Cent Intra-Block AI Reflex Oracles and Flash-Loan Circuit Breakers for EVM Smart Contracts

IACR ePrint Archive | 24.09.2026

DKG Is All You Need

arXiv Cryptography (cs.CR) | 24.09.2026

Encryptability As a Coordinate Choice: Depth-One Homomorphic Federated Learning of Quantum Neural Networks

arXiv Cryptography (cs.CR) | 24.09.2026

Computational Cryptography from Pseudoentanglement

IACR ePrint Archive | 23.09.2026

Stay in Your Lane: Fast Arithmetic over Large Finite Rings with CKKS

arXiv Cryptography (cs.CR) | 23.09.2026

Pinpointing Super-Quadratic Quantum Enumeration Speedups: Exact and Certified Evaluation of the Guessing-Moment Exponent under Product-Distribution Advice

arXiv Cryptography (cs.CR) | 23.09.2026

Multi-View Fusion for Encrypted C2 Detection: A Leakage-Controlled Measurement Study of Evaluation Pitfalls

IACR ePrint Archive | 22.09.2026

Structural Analysis of Seven Hash Functions Submitted to the NGCC

IACR ePrint Archive | 22.09.2026

Fully Anonymous Perfect Secret-Sharing

HackerNoon - Cryptography | 22.09.2026

IAM for Autonomous Systems: Here's What You Need to Know

arXiv Cryptography (cs.CR) | 22.09.2026

Cryptographic Security Is Not Enough: Privacy Gaps in the Renegade Decentralized Dark Pool

arXiv Cryptography (cs.CR) | 22.09.2026

ACTS: A multi-tier benchmark evaluating LLM cipher identification under controlled blind conditions

arXiv Cryptography (cs.CR) | 22.09.2026

On the Construction of Trapdoor Claw-Free Functions with Certifiable Key

arXiv Cryptography (cs.CR) | 22.09.2026

FASTAR: FRI Accelerator for Scalable Transparent ARguments of Knowledge

IACR ePrint Archive | 21.09.2026

BitZ: proofs and commitments in arbitrary rings through binary fields

arXiv Cryptography (cs.CR) | 21.09.2026

Quantum ROP: Using Quantum Algorithms for ROP Chain Selection in Exploit Construction

arXiv Cryptography (cs.CR) | 21.09.2026

Prefix Puncturable Signatures with Smaller Signing Key from HIBS

arXiv Cryptography (cs.CR) | 20.09.2026

Benchmarking Post-Quantum Cryptography in Lightweight Virtualization Environments on Embedded Hardware

IACR ePrint Archive | 18.09.2026

Refining Probabilistic-Linearization TIDA for 5-Round SHA3-384 Collision Attacks (Full Version)

arXiv Cryptography (cs.CR) | 18.09.2026

HE-Guardrail: A Homomorphic Guardrail Against Jailbreak Attacks for Encrypted Large Language Model Inference

arXiv Cryptography (cs.CR) | 18.09.2026

Transcript-Bound Combiners for Downgrade-Resilient Hybrid Post-Quantum Key Establishment: Definition, Proof, and Embedded-Device Cost

arXiv Cryptography (cs.CR) | 18.09.2026

TrustBOM: A Scalable Architecture for Confidentiality-Preserving SBOMs Across Organizations

arXiv Cryptography (cs.CR) | 18.09.2026

ServeGuard: Verifiable, Bounded-Residual Confinement of Operator-Invisible Channels Without Revealing the Certified Read Factor

arXiv Cryptography (cs.CR) | 17.09.2026

Towards TEE-Certified DP: Verifiable Differentially Private Training on Legacy GPUs

IACR ePrint Archive | 16.09.2026

Hamming Ideals and Grobner Bases for ISD-like Syndrome Decoding

arXiv Cryptography (cs.CR) | 16.09.2026

Scaling Zero Knowledge UNSAT Verification via Normalized Chaining

arXiv Cryptography (cs.CR) | 16.09.2026

Locus: A Framework for Exploring and Optimizing Point Addition Hardware for Zero-Knowledge Proofs

arXiv Cryptography (cs.CR) | 16.09.2026

SEEK: Secure and Efficient Encrypted Keyword Search For Privacy-Preserving Messaging Protocols

arXiv Cryptography (cs.CR) | 16.09.2026

Witness Encryption via Prime-Order Generic Groups

arXiv Cryptography (cs.CR) | 16.09.2026

A Global Readiness and Sovereignty Capability Model for Post-Quantum Cryptography Migration

arXiv Cryptography (cs.CR) | 15.09.2026

Closing the Loop: Bidirectional Fully Encrypted Protocols

arXiv Cryptography (cs.CR) | 15.09.2026

GAUGE: A Formal Framework for Measuring Cryptographic Security under Heterogeneous Adversary Cost Models

IACR ePrint Archive | 14.09.2026

CauchyFold: Residue-Optimal High-Arity Lattice Folding via Scaled Cauchy Challenges

arXiv Cryptography (cs.CR) | 14.09.2026

Analyzing Multi-Factor Authentication Through Cryptographic Security Properties

arXiv Cryptography (cs.CR) | 14.09.2026

Large Universe Subset Predicate Encryption with IND-CCA Security (with Constant-size Ciphertext and Keys)

arXiv Cryptography (cs.CR) | 14.09.2026

Efficient Branch-and-Bound Testing and Verification of zkVMs

arXiv Cryptography (cs.CR) | 13.09.2026

Cryptanalytic Extraction of Neural Networks Without Known Architecture Assumption

IACR ePrint Archive | 12.09.2026

LibFWHT: From Exact Walsh Spectra to Key Dependence in Differential-Linear Correlations

arXiv Cryptography (cs.CR) | 12.09.2026

Transparent Identity Verification Approach Using MPC and Efficient Credential Status Handling

arXiv Cryptography (cs.CR) | 12.09.2026

PQLN: Post-Quantum Security for the Bitcoin Lightning Network's Off-Chain Surfaces

IACR ePrint Archive | 11.09.2026

Improving GIJS Key Recovery for Classic McEliece

IACR ePrint Archive | 11.09.2026

Properties of the Me Operation and Me-Scalar Multiplication on Elliptic Curves over Finite Fields

IACR ePrint Archive | 10.09.2026

Arithmetic for Large-Characteristic Finite Fields in CKKS

HackerNoon - Cryptography | 08.09.2026

Can chess moves be verified on-chain? — The answer is zero-knowledge proofs

HackerNoon - Cryptography | 08.09.2026

How TOR Hides You - Onion Routing, Circuits and Hidden Services : Down The Rabbit Hole Part 3

IACR ePrint Archive | 05.09.2026

What to Guess in Key-Recovery Attacks?

IACR ePrint Archive | 03.09.2026

Correction of parameters in ``Computing Optimal Ate Pairings on Elliptic Curves with Embedding Degree 9, 15 and 27''

IACR ePrint Archive | 02.09.2026

HEAT: Faster Fully Homomorphic Inference via Approximations-Weights Co-Adaptation

HackerNoon - Cryptography | 01.09.2026

Why AI Governance Needs a Decentralized Quality Assurance Layer

HackerNoon - Cryptography | 01.09.2026

Pakistan Is Moving at Startup Speed on Digital Assets. The World Is Starting to Notice

IACR ePrint Archive | 25.08.2026

On Removing Interaction from Quantum Proofs

IACR ePrint Archive | 19.08.2026

Non-Local Search-to-Decision Reduction over $\mathbb{F}_2$, and More

NIST IT News | 06.08.2026

New 5G White Paper Available: Initial Non-Access Stratum Message Security

HackerNoon - Cryptography | 05.08.2026

The Real Cryptography Behind a Fictional Quantum Machine

HackerNoon - Cryptography | 31.07.2026

Verifiable AI: How Tamper-Evident Receipts Can Protect Your Business From the Next AI Failure

Heise Verschlüsselung | 31.07.2026

heise+ | Streit um Post-Quantum-Schlüsselverfahren: Mit oder ohne Sicherheitsgurt?

Heise Quantencomputer | 31.07.2026

heise+ | Streit um Post-Quantum-Schlüsselverfahren: Mit oder ohne Sicherheitsgurt?

IACR ePrint Archive | 29.07.2026

Silent Distributed Cryptography for DNFs and Threshold Policies from Lattices

HackerNoon - Cryptography | 22.07.2026

Open Inference Needs More Than Open Weights

NIST IT News | 22.07.2026

Securing AI Data Center: Architecture, Security Posture, and Emerging Standards

IACR ePrint Archive | 17.07.2026

IBE and PIR from Isogenies

HackerNoon - Cryptography | 16.07.2026

Amnesia: What If a Messenger Was Designed to Forget?

HackerNoon - Cryptography | 15.07.2026

How to Build and Recover a 2-of-3 MPC Signing Cluster

HackerNoon - Cryptography | 14.07.2026