Results 51 to 60 of about 8,113,742 (297)

A Trusted Security Key Management Server in LoRaWAN: Modelling and Analysis

Journal of Sensor and Actuator Networks, 2022
The traditional Long-Range Wide-Area Network (LoRaWAN) uses an Advanced Encryption Standard (AES) 128 bit symmetric key to secure entities and data against several attacks. However, due to the existence of heterogeneous applications, designing a globally
Koketso Ntshabele, Bassey Isong, Naison Gasela, Adnan M. Abu-Mahfouz   +3 more
doaj   +1 more source

Structural studies and functional engineering of NanX: an anhydro‐sialic acid transporter from Escherichia coli

FEBS Open Bio, EarlyView.
Biophysical characterisation shows that NanX, a membrane transport protein from the major facilitator superfamily (MFS), forms both monomers and dimers after purification. AlphaFold modelling and substrate docking provide information on residues likely involved in substrate recognition for NanX and another MFS member, NanT.
Michael C. Newton‐Vesty, Kelsi R. Hall, Zachary D. Tillett, Liam S. Turk, James S. Davies, Michael J. Currie, Hamish G. Brown, Sepideh Valimehr, Peter D. Mace, Andrew E. Whitten, Santosh Panjikar, Eric Hanssen, Rachel A. North, Renwick C.J. Dobson   +13 more
wiley   +1 more source

Secrecy and Performance Analysis of Symmetric Key Encryption Algorithms

International Journal of Information and Network Security (IJINS), 2012
There can be two vital criteria of selecting an algorithm to fulfil one’s encryption requirement. The security level of the cipher (secrecy) and the encryption time (performance). There is less focus on secrecy of ciphers as a security measurement, thus in this research, Shannon’s theories on secrecy of ciphers are used in-order to calculate the ...
openaire   +2 more sources

Identifying long cycles in finite alternating and symmetric groups acting on subsets [PDF]

, 2015
Let H be a permutation group on a set Λ, which is permutationally isomorphic to a finite alternating or symmetric group An or Sn acting on the k-element subsets of points from {1, . . . , n}, for some arbitrary but fixed k.
Praeger, Cheryl E., Linton, Stephen Alexander, Linton, Steve, Niemeyer, Alice C.   +3 more
core   +1 more source

Comparative assessment of crystallographic and cryo‐EM models in the Protein Data Bank

FEBS Open Bio, EarlyView.
Raw data obtained by X‐ray crystallography or cryo‐EM result in experimental maps, ultimately fitted by atomic models. Although the physical principles are different, the final results can be viewed, compared, and evaluated in the same way. With cryogenic electron microscopy (cryo‐EM) on track to surpass X‐ray crystallography as the preferred method ...
Alexander Wlodawer, Pawel Rubach, Zbigniew Dauter, Wojciech Dec, Dariusz Brzezinski, Marta Kulik, Wladek Minor, Mariusz Jaskolski   +7 more
wiley   +1 more source

Implementasi Protokol Diffie-Hellman Dan Algoritma RC4 Untuk Keamanan Pesan SMS

IJCCS (Indonesian Journal of Computing and Cybernetics Systems), 2015
Abstrack— SMS now becomes such a need for cellular phone users to communicate to other people. But the cellular phone users do not realize that the sent messages could be intercepted or changed by an unwanted party.
Decky Hendarsyah, Retantyo Wardoyo
doaj   +1 more source

Symmetric Presentations of Coxeter Groups [PDF]

, 2011
We apply the techniques of symmetric generation to establish the standard presentations of the finite simply laced irreducible finite Coxeter groups, that is, the Coxeter groups of types An, Dn and En, and show that these are naturally arrived at purely ...
Fairbairn, Ben, Ben Fairbairn
core   +1 more source

RNA Sequencing Resolves Cryptic Pathogenic Variants in Mitochondrial Disease

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Mitochondrial diseases are the most common inherited metabolic disorders, characterized by pronounced clinical and genetic heterogeneity that complicates molecular diagnosis. Although DNA‐based sequencing approaches have become standard in genetic testing, up to half of patients remain without a definitive diagnosis.
Zhimei Liu, Xin Duan, Fatemeh Peymani, Jia Wang, Chengjia Bao, Chaolong Xu, Ying Zou, Zixuan Zhang, Yunxi Zhang, Tongyue Li, Martin Pavlov, Junling Wang, Minhan Song, Tianyu Song, Xiaodi Han, Mingxi Sun, Danmin Shen, Ruoyu Duan, Huafang Jiang, Manting Xu, Holger Prokisch, Fang Fang   +21 more
wiley   +1 more source

New Approach for Modifying DES Algorithm by Using Multiple Keys Depend on Heuristic Search Algorithm [PDF]

Engineering and Technology Journal, 2013
In this paper, artificial search algorithm(breath algorithm ) are used to design a symmetric key cryptography system based on DES algorithm,the LFSRs and breath algorithm are applied to generate a pseudo-random numbers sequence (PNS) which is used during
Alaa K. Farhan, Suhad M.Kadhem, Noor Monem, Dena Saad   +3 more
doaj   +1 more source

NEW ALGORITHM OF BLOCK ENCRYPTION OF DATA WITH THE SYMMETRIC KEY

Bulletin of Kyiv Polytechnic Institute. Series Instrument Making, 2016
У цій статті, продовжуючи ідею розробки симетричних блокових алгоритмів шифрування даних, що не базовані на мережі Фейстеля, пропонується новий симетричний блоковий алгоритм.У запропонованому алгоритмі використовуються комбінації перетворень: побітного додавання по mod2, матричне перетворення по mod256, S-блоку і таблиці стиснення, здійснює шифрування ...
Akbarov, Davlatali E., Umarov, Shukhratzhon A.   +1 more
openaire   +3 more sources