Results 51 to 60 of about 1,077 (159)

Revisiting the Security of the Lightweight Stream Cipher Draco: New Observation and TMDTO Attacks

open access: yesIET Information Security
Draco is a lightweight small-state stream cipher proposed in 2022. It is designed to provide a 128-bit security level and be provably secure against time-memory-data trade-off (TMDTO) attacks. In this paper, we revisit the security of Draco against TMDTO
Ziyu Guan   +4 more
doaj   +1 more source

SOT-MTJ-Based Non-Volatile Flip-Flop With In-Memory Randomness for Application in Grain Stream Ciphers

open access: yesIEEE Access
This paper proposes a method for in-memory true random number generation (TRNG) by leveraging the dual functionality of spin-orbit torque based magnetic tunnel junction (SOT-MTJ) while showcasing its efficacy in hardware-efficient Grain stream ciphers ...
Arshid Nisar   +6 more
doaj   +1 more source

Performance and Statistical Analysis of Stream ciphers in GSM Communications

open access: yesJournal of Communications Software and Systems, 2020
For a stream cipher to be secure, the keystreamgenerated by it should be uniformly random with parameter 1/2.Statistical tests check whether the given sequence follow a certainprobability distribution.
Nagendar Yerukala   +2 more
doaj  

A Stream Cipher Based on Chaotic Permutations

open access: yesپژوهش‌های ریاضی, 2015
In this paper we introduce a word-based stream cipher consisting of a chaotic part operating as a chaotic permutation and a linear part, both of which designed on a finite field.
B Khadem, A Daneshgar, F Mohebipur
doaj  

On properties of GGHN stream cipher

open access: yesБезопасность информационных технологий, 2016
In this paper we discuss properties of а state transition function of the GGHN cryptosystem, which was proposed in 2005 in CISC as a modification of RC4. For describing the state transition function of GGNH we use automatic language.
Roman Damirovich Ginyatullin
doaj  

Quantum Security of Nonce-Based Encryption. [PDF]

open access: yesEntropy (Basel)
Mao S, Wang P, Jia Y, Liu G, Liu B.
europepmc   +1 more source

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