Results 51 to 60 of about 2,395,070 (371)

Cryptanalysis of a chaotic block cipher with external key and its improved version [PDF]

open access: yes, 2006
Recently, Pareek et al. proposed a symmetric key block cipher using multiple one-dimensional chaotic maps. This paper reports some new findings on the security problems of this kind of chaotic cipher: 1) a number of weak keys exists; 2) some important ...
Alvarez   +12 more
core   +2 more sources

Counter Mode of the Shannon Block Cipher Based on MPF Defined over a Non-Commuting Group

open access: yesMathematics, 2022
In this paper, we present a counter mode of a Shannon block cipher based on the matrix power function. We make use of the matrix power function to define a single round symmetric cipher.
Aleksejus Mihalkovich   +2 more
doaj   +1 more source

A New Type of Cipher: DICING_csb [PDF]

open access: yes, 2007
In this paper, we will propose a new type of cipher named DICING_csb, which is derived from our previous stream cipher DICING. It has applied a stream of subkey and an encryption form of block ciphers, so it may be viewed as a combinative of stream ...
Li, An-Ping
core   +2 more sources

Between Droughts and Floods: The Seasonal Response of Freshwater Snails in Artificial Reservoirs in the Brazilian Semiarid Region

open access: yesPopulation Ecology, EarlyView.
We investigate the seasonal dynamics of two freshwater snails, Biomphalaria straminea and Melanoides tuberculata, in artificial reservoirs of the Brazilian semiarid region. Despite regulated hydrology, B. straminea exhibited strong seasonal fluctuations associated with dry periods, while M. tuberculata maintained stable populations throughout the year,
Lucas Henrique Sousa da Silva   +6 more
wiley   +1 more source

Designing a Block Cipher in Galois Extension Fields for IoT Security

open access: yesIoT, 2021
This paper focuses on a block cipher adaptation of the Galois Extension Fields (GEF) combination technique for PRNGs and targets application in the Internet of Things (IoT) space, an area where the combination technique was concluded as a quality stream ...
Kiernan George, Alan J. Michaels
doaj   +1 more source

Secure Algorithms for SAKA Protocol in the GSM Network [PDF]

open access: yes, 2017
This paper deals with the security vulnerabilities of the cryptographic algorithms A3, A8, and A5 existing in the GSM network. We review these algorithms and propose new secure algorithms named NewA3, NewA8, and NewA5 algorithms with respect to the A3 ...
Chaudhari, N.S., Saxena, N.
core   +1 more source

The New Block Cipher Design (Tigris Cipher) [PDF]

open access: yesInternational Journal of Computer Network and Information Security, 2015
Abstract—In the present paper we have proposed a new variant of AES cipher with high level of security and an elegant construction called TIGRIS cipher. The TIGRIS name has been derived from one of the two famous rivers in Iraq. The proposed TIGRIS cipher is a revision for the proposed Euphrates cipher which has already been published.
Abdul Monem S. Rahma   +2 more
openaire   +1 more source

Moving in the Dark: Enlightening the Spatial Population Ecology of European Cave Salamanders

open access: yesPopulation Ecology, EarlyView.
We assessed individual interactions, movement ecology and activity patterns of a subterranean population of Speleomantes strinatii, applying spatial capture–recapture modeling to a photographic dataset of 104 individuals. ABSTRACT Space use and movement are fundamental aspects of organisms' ecology, mirroring individual fitness, behavior, and life ...
Giacomo Rosa   +2 more
wiley   +1 more source

BRISK: Dynamic Encryption Based Cipher for Long Term Security

open access: yesSensors, 2021
Several emerging areas like the Internet of Things, sensor networks, healthcare and distributed networks feature resource-constrained devices that share secure and privacy-preserving data to accomplish some goal.
Ashutosh Dhar Dwivedi
doaj   +1 more source

Pengembangan Modul Enkripsi dan Dekripsi pada Php dengan Modifikasi Metode Kriptografi Vigenere Cipher dan Cipher Block Chaining (Studi Kasus pada Geekybyte.com) [PDF]

open access: yes, 2014
Penggunaan fungsi hash pada pengamanan data atau informasi pada sebuah web site sudah tidak aman lagi, karena memiliki kelemahan berupa collision. Pengamanan yang dilakukan tidak tergantung pada kerahasiaan metode atau algortima yang digunakan, tetapi ...
Aribowo, E. (Eko)   +1 more
core  

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