Results 31 to 40 of about 123,825 (281)

Cycle-Consistent Deep Generative Hashing for Cross-Modal Retrieval

open access: yes, 2018
In this paper, we propose a novel deep generative approach to cross-modal retrieval to learn hash functions in the absence of paired training samples through the cycle consistency loss.
Shao, Ling, Wang, Yang, Wu, Lin
core   +1 more source

Can There Be a Two Way Hash Function?

open access: yesIEEE Access
It is computationally impossible for one-way hash functions to obtain the original data again. In this study, Two Way Hash Function (TWHF) is proposed which provides the security properties of one-way hash functions. TWHF aims to hash/encrypt and decrypt
Timucin Koroglu, Refik Samet
doaj   +1 more source

Fast Counterfeit RFID Tags Detection With Slot Constraints

open access: yesIEEE Access, 2023
RFID tags are prone to counterfeit attacks in supply chain scenarios. The attacker often uses counterfeit tags to replace stolen tags to avoid being detected by the inventory process.
Bing Zhang, Xu Hu, Shan Gao
doaj   +1 more source

Hash Functions Using Chaotic Iterations

open access: yesJournal of Algorithms & Computational Technology, 2010
In this paper, a novel formulation of discrete chaotic iterations in the field of dynamical systems is given. Their topological properties are studied: it is mathematically proven that, under some conditions, these iterations have a chaotic behavior as ...
Jacques M. Bahi, Christophe Guyeux
doaj   +1 more source

Deck-Based Wide Block Cipher Modes and an Exposition of the Blinded Keyed Hashing Model

open access: yesIACR Transactions on Symmetric Cryptology, 2020
We present two tweakable wide block cipher modes from doubly-extendable cryptographic keyed (deck) functions and a keyed hash function: double-decker and docked-double-decker.
Aldo Gunsing, Joan Daemen, Bart Mennink
doaj   +1 more source

A Novel Hash Function Based on a Chaotic Sponge and DNA Sequence

open access: yesIEEE Access, 2021
Many chaos-based hash functions have convoluted designs that are not based on proper design principles, complicating the verification of security claims.
Moatsum Alawida   +5 more
doaj   +1 more source

On hash functions using checksums [PDF]

open access: yes, 2008
We analyse the security of iterated hash functions that compute an input dependent checksum which is processed as part of the hash computation. We show that a large class of such schemes, including those using non-linear or even one-way checksum ...
J. Hoch   +7 more
core   +3 more sources

Verification of Implementations of Cryptographic Hash Functions

open access: yesIEEE Access, 2017
Cryptographic hash functions have become the basis of modern network computing for identity authorization and secure computing; protocol consistency of cryptographic hash functions is one of the most important properties that affect the security and ...
Dexi Wang   +5 more
doaj   +1 more source

The Usefulness of Multilevel Hash Tables with Multiple Hash Functions in Large Databases [PDF]

open access: yes, 2009
In this work, attempt is made to select three good hash functions which uniformly distribute hash values that permute their internal states and allow the input bits to generate different output bits.
Akinwale, A. T., Ibharalu, F. T.
core   +1 more source

Regular and almost universal hashing: an efficient implementation [PDF]

open access: yes, 2016
Random hashing can provide guarantees regarding the performance of data structures such as hash tables---even in an adversarial setting. Many existing families of hash functions are universal: given two data objects, the probability that they have the ...
Ignatchenko, Sergey   +2 more
core   +2 more sources

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