358 matches found
Applied Post Quantum Cryptography: a Practical Approach for Generating Certificates in Industrial Environments
The transition to post-quantum cryptography PQC presents significant challenges for certificate-based identity management in industrial environments, where secure onboarding of devices relies on long-lived and interoperable credentials. This work analyzes the integration of PQC into X.509...
Post-Quantum Cryptography: an Analysis of Code-Based and Lattice-Based Cryptosystems
Most modern cryptographic systems, such as RSA and the Diffie-Hellman Key Exchange, rely on "trapdoor" mathematical functions that are presumed to be computationally difficult with existing tools. However, quantum computers will be able to break these systems using Shor's Algorithm, necessitating...
PQS-BFL: a Post-Quantum Secure Blockchain-Based Federated Learning Framework
Federated Learning FL enables collaborative model training while preserving data privacy, but its classical cryptographic underpinnings are vulnerable to quantum attacks. This vulnerability is particularly critical in sensitive domains like healthcare. This paper introduces PQS-BFL Post-Quantum...
MST3 Encryption Improvement with Three-Parameter Group of Hermitian Function Field
This scholarly work presents an advanced cryptographic framework utilizing automorphism groups as the foundational structure for encryption scheme implementation. The proposed methodology employs a three-parameter group construction, distinguished by its application of logarithmic signatures...
Complexity of Post-Quantum Cryptography in Embedded Systems and Its Optimization Strategies
With the rapid advancements in quantum computing, traditional cryptographic schemes like Rivest-Shamir-Adleman RSA and elliptic curve cryptography ECC are becoming vulnerable, necessitating the development of quantum-resistant algorithms. The National Institute of Standards and Technology NIST ha...
Post Quantum Cryptography (PQC) Signatures without Trapdoors
Some of our current public key methods use a trap door to implement digital signature methods. This includes the RSA method, which uses Fermat's little theorem to support the creation and verification of a digital signature. The problem with a back-door is that the actual trap-door method could, ...
A Scalable Framework for Post-Quantum Authentication in Public Key Infrastructures
This work explores the performance and scalability of a hierarchical certificate authority framework with automated certificate issuance employing post-quantum cryptographic PQC signature algorithms. The system is designed for compatibility with both classical and PQC algorithms, promoting...
A Unified Hardware Accelerator for Fast Fourier Transform and Number Theoretic Transform
The Number Theoretic Transform NTT is an indispensable tool for computing efficient polynomial multiplications in post-quantum lattice-based cryptography. It has strong resemblance with the Fast Fourier Transform FFT, which is the most widely used algorithm in digital signal processing. In this...
CVE-2025-29779
Post-Quantum Secure Feldman's Verifiable Secret Sharing provides a Python implementation of Feldman's Verifiable Secret Sharing VSS scheme. In versions 0.8.0b2 and prior, the secureredundantexecution function in feldmanvss.py attempts to mitigate fault injection attacks by executing a function...
Post-Quantum Secure Feldman Verifiable Secret Sharing 安全漏洞
Post-Quantum Secure Feldman Verifiable Secret Sharing is a Verifiable Secret Sharing VSS for Post-Quantum Secure Feldman in Python by the individual developer David Osipov. A security vulnerability exists in Post-Quantum Secure Feldman Verifiable Secret Sharing 0.7.6b0 and earlier versions, which...
CVE-2025-29779: Use of a Cryptographic Primitive with a Risky Implementation
Post-Quantum Secure Feldman's Verifiable Secret Sharing provides a Python implementation of Feldman's Verifiable Secret Sharing VSS scheme. In versions 0.8.0b2 and prior, the secureredundantexecution function in feldmanvss.py attempts to mitigate fault injection attacks by executing a function...
Post-Quantum Secure Feldman Verifiable Secret Sharing 安全漏洞
Post-Quantum Secure Feldman Verifiable Secret Sharing is a Verifiable Secret Sharing VSS for Post-Quantum Secure Feldman in Python by the individual developer David Osipov. A security vulnerability exists in Post-Quantum Secure Feldman Verifiable Secret Sharing 0.7.6b0 and earlier versions, which...
CVE-2025-29780: Observable Discrepancy
Post-Quantum Secure Feldman's Verifiable Secret Sharing provides a Python implementation of Feldman's Verifiable Secret Sharing VSS scheme. In versions 0.8.0b2 and prior, the feldmanvss library contains timing side-channel vulnerabilities in its matrix operations, specifically within the...
Google Cloud KMS Adds Quantum-Safe Digital Signatures to Defend Against Future Threats
Google Cloud has announced quantum-safe digital signatures in Google Cloud Key Management Service Cloud KMS for software-based keys as a way to bulletproof encryption systems against the threat posed by cryptographically-relevant quantum computers. The feature, currently in preview, coexists with...
CVE-2024-54137
liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. A correctness error has been identified in the reference implementation of the HQC key encapsulation mechanism. Due to an indexing error, part of the secret key is incorrectly treat...
CVE-2024-54137
CVE-2024-54137 affects liboqs HQC KEM. A correctness error in the HQC decapsulation path caused part of the secret key to be treated as non-secret, resulting in an incorrect shared secret when decapsulating malformed ciphertexts. The fix is implemented in liboqs 0.12.0, as referenced by multiple ...
CVE-2024-54137 liboqs has a correctness error in HQC decapsulation
liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. A correctness error has been identified in the reference implementation of the HQC key encapsulation mechanism. Due to an indexing error, part of the secret key is incorrectly treat...
CVE-2024-54137: Exposure of Sensitive Information to an Unauthorized Actor
liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. A correctness error has been identified in the reference implementation of the HQC key encapsulation mechanism. Due to an indexing error, part of the secret key is incorrectly treat...
Google Chrome Switches to ML-KEM for Post-Quantum Cryptography Defense
Google has announced that it will be switching from KYBER to ML-KEM in its Chrome web browser as part of its ongoing efforts to defend against the risk posed by cryptographically relevant quantum computers CRQCs. "Chrome will offer a key share prediction for hybrid ML-KEM codepoint 0x11EC," David...
CVE-2024-37305
A flaw was found in oqs-provider, which is an OpenSSL 3 provider that contains post-quantum algorithms. The issue occurs from the way oqs-provider handles lengths decoded with DECODEUINT32 at the start of serialized hybrid traditional + post-quantum keys and signatures. As a result, malformed inp...