Results 61 to 70 of about 6,241,434 (232)
Security analysis of an encryption scheme based on nonpositional polynomial notations
Open Engineering, 2016 The aim of the research was to conduct a cryptographic analysis of an encryption scheme developed on the basis of nonpositional polynomial notations to estimate the algorithm strength. Nonpositional polynomial notations (NPNs) are residue number systems (
Kapalova Nursulu +1 more
doaj +1 more source
An Efficient Known Plaintext Attack on FEA-M
, 2003 Yi et al. have proposed a cipher called the fast encryption algorithm for multimedia (FEA-M). Recently Mihaljevic and Kohno pointed out that FEA-M is insecure. However, their attacks are not efficient: their chosen plaintext attack and known plaintext attack require 237-bit chosen plaintext and 260-bit known plaintext, respectively.
Hongjun Wu 0001 +2 more
openaire +2 more sources
Comparison Between Algebraic Cryptanalysis on DES and NTRU
InPrime, 2023 Algebraic cryptanalysis is a cryptanalysis method that aims to exploit the algebraic structure of an encryption algorithm to obtain the secret key. Algebraic cryptanalysis becomes interesting because it uses a small amount of known plaintext, which in ...
Fadila Paradise, Kiki Ariyanti Sugeng
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On Matrix‐Based Cryptography Using Matrix Norm and Special Integer Sequences
Mathematische Nachrichten, EarlyView.ABSTRACT In this paper, a novel matrix‐based encryption approach based on the Affine Hill cipher is presented. The key matrix is constructed using the Narayana integer sequence, and the Frobenius norm of the key matrix is used as a scaling factor in the key construction.
Melih Göcen +1 more
wiley +1 more source
Entropy, 2021 Digital images can be large in size and contain sensitive information that needs protection. Compression using compressed sensing performs well, but the measurement matrix directly affects the signal compression and reconstruction performance.
Chunyang Sun, Erfu Wang, Bing Zhao
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Linear cryptanalysis of pseudorandom functions [PDF]
, 2015 Relatório de projeto de pesquisa.In this paper, we study linear relations propagating across block ciphers from the key input to the ciphertext (for a fixed plaintext block).
Freitas, Daniel Santana de +4 more
core
A secured cloud‐medical data sharing with A‐BRSA and Salp ‐Ant Lion Optimisation Algorithm
CAAI Transactions on Intelligence Technology, EarlyView.Abstract Sharing medical data among healthcare providers, researchers, and patients is crucial for efficient healthcare services. Cloud‐assisted smart healthcare (s‐healthcare) systems have made it easier to store EHRs effectively. However, the traditional encryption algorithms used to secure this data can be vulnerable to attacks if the encryption key
Adel Binbusayyis +7 more
wiley +1 more source
A Known-Plaintext Attack on Two-Key Triple Encryption [PDF]
, 1990 A chosen-plaintext attack on two-key triple encryption noted by Merkle and Hellman is extended to a known-plaintext attack. The known-plaintext attack has lower memory requirements than the chosen-plaintext attack, but has a greater running ...
Paul C. Van Oorschot, Michael J. Wiener
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Analisis Perbandingan Known Plaintext dan Chosen Plaintext Pada Metode Hill Chiper
Buletin Sistem Informasi dan Teknologi Islam, 2020 Hill Cipher yang merupakan polyalphabetic cipher dapat dikategorikan sebagai block cipher karena teks yang akan diproses akan dibagi menjadi blok-blok dengan ukuran tertentu. Setiap karakter dalam satu blok akan saling mempengaruhi karakter lainnya dalam proses enkripsi dan dekripsinya, sehingga karakter yang sama tidak dipetakan menjadi karakter yang ...
Abdul Rauf Tuasikal +2 more
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Applied Sciences, 2022 Cyberattacks widely occur by using malicious documents. A malicious document is an electronic document containing malicious codes along with some plain-text data that is human-readable.
Jiwon Hong, Dongho Jeong, Sang-Wook Kim
doaj +1 more source