157 matches found
Lattice Semiconductor ispVM System 安全漏洞
Lattice Semiconductor ispVM System is a programming and debugging software toolset from Lattice Semiconductor, USA. A security vulnerability exists in Lattice Semiconductor ispVM System version 18.0.2, which originates from a buffer overflow when processing .xcf files and could lead to the...
Linux Distros Unpatched Vulnerability : CVE-2020-10932
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Arm Mbed TLS before 2.16.6 and 2.7.x before 2.7.15. An attacker that can get precise enough side-channel measurements can recover the...
On the Security of a Code-Based PIR Scheme
Private Information Retrieval PIR schemes allow clients to retrieve files from a database without disclosing the requested file's identity to the server. In the pursuit of post-quantum security, most recent PIR schemes rely on hard lattice problems. In contrast, the so called CB-cPIR scheme stand...
NIST Post-Quantum Cryptography Standard Algorithms Based on Quantum Random Number Generators
In recent years, the advancement of quantum computing technology has posed potential security threats to RSA cryptography and elliptic curve cryptography. In response, the National Institute of Standards and Technology NIST published several Federal Information Processing Standards FIPS of...
HexaMorphHash HMH - Homomorphic Hashing for Secure and Efficient Cryptographic Operations in Data Integrity Verification
In the realm of big data and cloud computing, distributed systems are tasked with proficiently managing, storing, and validating extensive datasets across numerous nodes, all while maintaining robust data integrity. Conventional hashing methods, though straightforward, encounter substan tial...
Quantum-Resistant Domain Name System: a Comprehensive System-Level Study
The Domain Name System DNS plays a foundational role in Internet infrastructure, yet its core protocols remain vulnerable to compromise by quantum adversaries. As cryptographically relevant quantum computers become a realistic threat, ensuring DNS confidentiality, authenticity, and integrity in t...
Robust and Verifiable MPC with Applications to Linear Machine Learning Inference
In this work, we present an efficient secure multi-party computation MPC protocol that provides strong security guarantees in settings with dishonest majority of participants who may behave arbitrarily. Unlike the popular MPC implementation known as SPDZ Crypto '12, which only ensures security wi...
CVE-2015-9533
The Easy Digital Downloads EDD Lattice theme for WordPress, as used with EDD 1.8.x before 1.8.7, 1.9.x before 1.9.10, 2.0.x before 2.0.5, 2.1.x before 2.1.11, 2.2.x before 2.2.9, and 2.3.x before 2.3.7, has XSS because addqueryarg is misused...
Quantum-Resilient Blockchain for Secure Transactions in UAV-Assisted Smart Agriculture Networks
The integration of unmanned aerial vehicles UAVs into smart agriculture has enabled real-time monitoring, data collection, and automated farming operations. However, the high mobility, decentralized nature, and low-power communication of UAVs pose significant security challenges, particularly in...
Extensible Post Quantum Cryptography Based Authentication
Cryptography underpins the security of modern digital infrastructure, from cloud services to health data. However, many widely deployed systems will become vulnerable after the advent of scalable quantum computing. Although quantum-safe cryptographic primitives have been developed, such as...
Decentralized Multi-Authority Attribute-Based Inner-Product Functional Encryption: Noisy and Evasive Constructions from Lattices
We study multi-authority attribute-based functional encryption for noisy inner-product functionality, and propose two new primitives: 1 multi-authority attribute-based noisy inner-product functional encryption MA-ABNIPFE, which generalizes existing multi-authority attribute-based IPFE schemes by...
Post-Quantum Secure Decentralized Random Number Generation Protocol with Two Rounds of Communication in the Standard Model
Randomness plays a vital role in numerous applications, including simulation, cryptography, distributed systems, and gaming. Consequently, extensive research has been conducted to generate randomness. One such method is to design a decentralized random number generator DRNG, a protocol that enabl...
Cryptanalysis of a Lattice-Based PIR Scheme for Arbitrary Database Sizes
Private Information Retrieval PIR schemes enable users to securely retrieve files from a server without disclosing the content of their queries, thereby preserving their privacy. In 2008, Melchor and Gaborit proposed a PIR scheme that achieves a balance between communication overhead and...
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...
Energy-Efficient NTT Sampler for Kyber Benchmarked on FPGA
Kyber is a lattice-based key encapsulation mechanism selected for standardization by the NIST Post-Quantum Cryptography PQC project. A critical component of Kyber's key generation process is the sampling of matrix elements from a uniform distribution over the ring Rq . This step is one of the mos...
An Algebraic Approach to Asymmetric Delegation and Polymorphic Label Inference (Technical Report)
Language-based information flow control IFC enables reasoning about and enforcing security policies in decentralized applications. While information flow properties are relatively extensional and compositional, designing expressive systems that enforce such properties remains challenging. In...
Blockchain Meets Adaptive Honeypots: a Trust-Aware Approach to Next-Gen IoT Security
Edge computing-based Next-Generation Wireless Networks NGWN-IoT offer enhanced bandwidth capacity for large-scale service provisioning but remain vulnerable to evolving cyber threats. Existing intrusion detection and prevention methods provide limited security as adversaries continually adapt the...
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...
Breaking ECDSA with Two Affinely Related Nonces
The security of the Elliptic Curve Digital Signature Algorithm ECDSA depends on the uniqueness and secrecy of the nonce, which is used in each signature. While it is well understood that nonce $k$ reuse across two distinct messages can leak the private key, we show that even if a distinct value i...
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...