Results 11 to 20 of about 91,922 (250)
Efficient Constructions for One-way Hash Chains [PDF]
, 2003 Abstract: "One-way chains are an important cryptographic primitive in many security applications. Lamport first proposed to use one-way chains for one-time password authentication [19]. Subsequently, researchers proposed one-way chains as a basic building block for digital cash, for extending the lifetime of digital certificates, for constructing one ...
Markus Jakobsson +2 more
openaire +4 more sources
A Survey of RFID Authentication Protocols Based on Hash-Chain Method [PDF]
, 2008 Security and privacy are the inherent problems in RFID communications. There are several protocols have been proposed to overcome those problems. Hash chain is commonly employed by the protocols to improve security and privacy for RFID authentication ...
Chang, Elizabeth +3 more
core +4 more sources
Selective Location Blinding Using Hash Chains [PDF]
, 2011 Location-based applications require a user's movements and positions to provide customized services. However, location is a sensitive piece of information that should not be revealed unless strictly necessary. In this paper we propose a procedure that allows a user to control the precision in which his location information is exposed to a service ...
Lenzini, Gabriele +2 more
openaire +5 more sources
Individual Displacements in Hashing with Coalesced Chains [PDF]
Combinatorics, Probability and Computing, 2008 We study the asymptotic distribution of the displacements in hashing with coalesced chains, for both late-insertion and early-insertion. Asymptotic formulas for means and variances follow. The method uses Poissonization and some stochastic calculus.
Svante Janson
openaire +5 more sources
A Key Distribution Scheme for WSN Based on Hash Chains and Deployment Knowledge [PDF]
International Journal of Distributed Sensor Networks, 2015 Based on the deployment knowledge and the irreversibility of some hash chains, a novel pairwise key distribution scheme (DKH-KD) for wireless sensor networks is proposed.
Lin You +3 more
doaj +2 more sources
Digital signatures over hash-entangled chains [PDF]
SN Applied Sciences, 2019 In this work we introduce a new approach for digital signature based on hash chains. The method is supported on the well known security principles of hash functions. Some main advantages of this public key system include security and estimated efficiency through the so called signature chains.
Luis Adrián Lizama-Pérez
openaire +3 more sources
CHAIN: Exploring Global-Local Spatio-Temporal Information for Improved Self-Supervised Video Hashing [PDF]
, 2023 Compressing videos into binary codes can improve retrieval speed and reduce storage overhead. However, learning accurate hash codes for video retrieval can be challenging due to high local redundancy and complex global dependencies between video frames, especially in the absence of labels.
Rukai Wei +5 more
arxiv +3 more sources
Hey, That's My Model! Introducing Chain & Hash, An LLM Fingerprinting Technique [PDF]
arXivAmid growing concerns over the ease of theft and misuse of Large Language Models (LLMs), the need for fingerprinting models has increased. Fingerprinting, in this context, means that the model owner can link a given model to their original version, thereby identifying if their model is being misused or has been completely stolen.
Mark Russinovich, Ahmed Salem
arxiv +3 more sources
An Ordered Universal Accumulator Based on a Hash Chain
Applied SciencesCryptographic accumulators are now fundamental for secure applications across blockchain, IoT, and big data, powering anonymous credentials, streamlining key management, and enabling efficient data filtering. However, existing accumulator methods, like RSA, bilinear pairing, and Merkle trees, are hampered by storage bloat, computational burdens, and ...
Wenbao Jiang +3 more
openaire +3 more sources
DeCoTa: a lightweight decentralized cross-chain transfer scheme based on hash-locking. [PDF]
Sci RepZou H, Sun H, Chen S, Ren W, Zheng X.
europepmc +2 more sources