Results 61 to 70 of about 393,601 (145)

Revisiting LWR: A Novel Reduction Through Quantum Approximations

IET Information Security, Volume 2025, Issue 1, 2025.
Pseudorandom functions (PRFs) are a very important tool in cryptography, and the learning with rounding (LWR) problem is one of the main issues in their construction. LWR problem, is to find s∈Zqn from ⌊As⌋p, where A∈Zqm×n and ⋅p:Zq→Zp is the rounding function.
Zhuang Shan, Leyou Zhang, Qiqi Lai, Youwen Zhu   +3 more
wiley   +1 more source

Improved FHE Bootstrapping and Its Applications in Discretized Neural Networks

IET Information Security, Volume 2025, Issue 1, 2025.
The inefficiency of bootstrapping is the primary bottleneck preventing fully homomorphic encryption (FHE) from practical applications. One of the main obstacles to improving the bootstrapping performance using hardware acceleration is the large storage overhead of the bootstrapping keys.
Kaixing Wang, Binwu Xiang, Jiang Zhang, Yi Deng, Dengguo Feng, Xueqin Liang   +5 more
wiley   +1 more source

Multikey Fully Homomorphic Encryption: Removing Noise Flooding in Distributed Decryption via the Smudging Lemma on Discrete Gaussian Distribution

IET Information Security, Volume 2025, Issue 1, 2025.
The current multikey fully homomorphic encryption (MKFHE) needs to add exponential noise in the distributed decryption phase to ensure the simulatability of partial decryption. Such a large noise causes the ciphertext modulus of the scheme to increase exponentially compared to the single‐key fully homomorphic encryption (FHE), further reducing the ...
Xiaokang Dai, Wenyuan Wu, Yong Feng, Xueqin Liang   +3 more
wiley   +1 more source

Post‐Quantum Digital Signatures for Enhanced Medical Image Security

IET Quantum Communication, Volume 6, Issue 1, January/December 2025.
This study explores the use of Sphincs+, Dilithium, and Falcon to enhance the security of medical images against quantum threats. By leveraging digital signatures for authentication and integrity verification, the proposed approach mitigates risks of tampering and ensures the reliability of healthcare records.
Kumar Sekhar Roy, Shweta Singh, Preethi Srivathsa, Ruhul Amin Hazarika, Sk Mahmudul Hassan, K. Susheel Kumar   +5 more
wiley   +1 more source

Optimized Design and Implementation of CRYSTALS‐KYBER Based on MLWE

Security and Communication Networks, Volume 2025, Issue 1, 2025.
CRYSTALS‐KYBER is a postquantum key exchange mechanism based on the MLWE problem. At present, it is a major challenge to realize CRYSTALS‐KYBER with high‐performance and low‐resource consumption on the FPGA platform. The design proposed in this paper aims at the high efficiency implementation of CRYSTALS‐KYBER based on the MLWE scheme.
Song Cheng, Jiansheng Chen, Jianyang Li, Kan Yao, Shunxian Gao, Kangkang Rui, Yijun Cui, Vincenzo Conti   +7 more
wiley   +1 more source

A variant of NTRU with non-invertible polynomials

, 2002
. We introduce a generalization of the NTRU cryptosystem and describe its advantages and disadvantages as compared with the original NTRU protocol. This extension helps to avoid the potential problem of finding “enough ” invertible polynomials within ...
Igor E. Shparlinski, William D. Banks
core   +1 more source

Quantum blockchain: Trends, technologies, and future directions

IET Quantum Communication, Volume 5, Issue 4, Page 516-542, December 2024.
This article surveys the current state of blockchain technology, emphasising its security, authentication protocols, AI integration, and the emerging field of quantum blockchain. It highlights how quantum computing can enhance blockchain security and the necessity for quantum‐resistant designs to ensure the robustness of blockchain networks against ...
Manjula Gandhi S, Chaitrali Mulay, Karthiganesh Durai, G. Murali, Jafar Ali Ibrahim Syed Masood, V. Vijayarajan, Kumar Gautam, N. S. Kalyan Chakravarthy, S. Suresh Kumar, Saurabh Agarwal, Murali S, Vijayasherly V, David Asirvatham, Sarfraz Brohi, Chandru Vignesh C, Anbuchelian S   +15 more
wiley   +1 more source

QIoTChain: Quantum IoT‐blockchain fusion for advanced data protection in Industry 4.0

IET Blockchain, Volume 4, Issue 3, Page 252-262, September 2024.
Data underpins modern society and the economy, enabling informed choices and innovation. Protecting data from tampering is crucial, leading to encryption using cryptography, blockchain, and zero trust models. Quantum computing advances aid post‐quantum security, yet adoption hurdles persist.
Aditya Kumar Sharma, Mritunjay Shall Peelam, Brijesh Kumar Chauasia, Vinay Chamola   +3 more
wiley   +1 more source

Indistinguishability under adaptive chosen-ciphertext attack secure double-NTRU-based key encapsulation mechanism. [PDF]

PeerJ Comput Sci, 2023
Seyhan K, Akleylek S.
europepmc   +1 more source

Comparison between Subfield and Straightforward Attacks on NTRU [PDF]

, 2016
Recently in two independent papers, Albrecht, Bai and Ducas and Cheon, Jeong and Lee presented two very similar attacks, that allow to break NTRU with larger parameters and GGH Multinear Map without zero encodings.
Pierre-Alain Fouque, Paul Kirchner
core   +1 more source