Results 21 to 30 of about 2,707,155 (337)

Dynamic Rounds Chaotic Block Cipher Based on Keyword Abstract Extraction [PDF]

open access: yesEntropy, 2018
According to the keyword abstract extraction function in the Natural Language Processing and Information Retrieval Sharing Platform (NLPIR), the design method of a dynamic rounds chaotic block cipher is presented in this paper, which takes into account ...
Juan Wang, Qun Ding
doaj   +2 more sources

Loong: A Family of Involutional Lightweight Block Cipher Based on SPN Structure

open access: yesIEEE Access, 2019
In past few years, as security ciphers in the Internet of Things (IoT), the research of lightweight block cipher has attracted tremendous attention in cryptography. The SPN structure has been widely used in the design of block cipher.
Bo-Tao Liu   +4 more
doaj   +2 more sources

Iterative Block Ciphers from Tweakable Block Ciphers with Long Tweaks

open access: yesIACR Transactions on Symmetric Cryptology, 2020
We consider a problem of constructing a secure block cipher from a tweakable block cipher (TBC) with long tweaks. Given a TBC with n-bit blocks and Γn-bit tweaks for Γ ≥ 1, one of the constructions by Minematsu in DCC 2015 shows that a simple iteration ...
Ryota Nakamichi, Tetsu Iwata
doaj   +3 more sources

Linear Key-schedule’s Properties of the Smallpresent Block Cipher

open access: yesБезопасность информационных технологий, 2013
SmallPresent block cipher was presented to investigate attacks on the PRESENT block cipher in details. In the paper the resistance to linear cryptanalysis of this cipher with arbitrary linear key-schedule is under consideration.
Georgy Igorevich Khoruzhenko   +1 more
doaj   +1 more source

New mode of operation inspired by the braid of long hair [PDF]

open access: yesRevista Română de Informatică și Automatică, 2023
In cryptography, a mode of operation is the way of processing plaintext and encrypted text blocks within a block cipher algorithm, or it is the presentation of a method of chaining blocks in a block cipher.
Hana ALI-PACHA   +2 more
doaj   +1 more source

Optimally Secure Tweakable Block Ciphers with a Large Tweak from n-bit Block Ciphers

open access: yesIACR Transactions on Symmetric Cryptology, 2023
We consider the design of a tweakable block cipher from a block cipher whose inputs and outputs are of size n bits. The main goal is to achieve 2n security with a large tweak (i.e., more than n bits). Previously, Mennink at FSE’15 and Wang et al.
Yaobin Shen, François-Xavier Standaert
doaj   +1 more source

Chaghri - A FHE-friendly Block Cipher

open access: yesConference on Computer and Communications Security, 2022
The Recent progress in practical applications of secure computation protocols has also attracted attention to the symmetric-key primitives underlying them.
T. Ashur, M. Mahzoun, Dilara Toprakhisar
semanticscholar   +1 more source

PRESENT: An Ultra-Lightweight Block Cipher

open access: yesWorkshop on Cryptographic Hardware and Embedded Systems, 2007
With the establishment of the AES the need for new block ciphers has been greatly diminished; for almost all block cipher applications the AES is an excellent and preferred choice.
A. Bogdanov   +7 more
semanticscholar   +2 more sources

BipBip: A Low-Latency Tweakable Block Cipher with Small Dimensions

open access: yesIACR Trans. Cryptogr. Hardw. Embed. Syst., 2022
Recently, a memory safety concept called Cryptographic Capability Computing (C3) has been proposed. C3 is the first memory safety mechanism that works without requiring extra storage for metadata and hence, has the potential to significantly enhance the ...
Yanis Belkheyar   +4 more
semanticscholar   +1 more source

Time-based One-Time Password Scheme for PLC [PDF]

open access: yesJisuanji gongcheng, 2021
To solve the problem that existing Time-based One-Time Password(TOTP) schemes cannot run efficiently on Programmable Logic Controller(PLC), a TOTP scheme called BC-TOTP is proposed based on block cipher.
BAO Zhiting, KE Junming, YANG Zheng, LONG Hua, HUANG Dong
doaj   +1 more source

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