11-Round impossible differential algebraic attack for serpent encryption algorithm

2010 ◽  
Vol 15 (3) ◽  
pp. 232-236
Author(s):  
Zhihua Hu ◽  
Zhongping Qin
Keyword(s):  
Encryption Algorithm ◽  
Algebraic Attack ◽  
Impossible Differential

scholarly journals Different Types of Attacks on Block Ciphers

2020 ◽  
Vol 9 (3) ◽  
pp. 28-31
Keyword(s):  
Block Cipher ◽  
Classical Method ◽  
System Of Nonlinear Equations ◽  
Algebraic Attack ◽  
Differential Attack ◽  
Different Types ◽  
Important Challenge ◽  
Impossible Differential ◽  
Linear Differential ◽  
Truncated Differential

Cryptanalysis is a very important challenge that faces cryptographers. It has several types that should be well studied by cryptographers to be able to design cryptosystem more secure and able to resist any type of attacks. This paper introduces six types of attacks: Linear, Differential , Linear-Differential, Truncated differential Impossible differential attack and Algebraic attacks. In this paper, algebraic attack is used to formulate the substitution box(S-box) of a block cipher to system of nonlinear equations and solve this system by using a classical method called Grobner  Bases . By Solving these equations, we made algebraic attack on S-box.

DEVELOPMENT AND ANALYSIS OF THE ENCRYPTION ALGORITHM IN NONPOSITIONAL POLYNOMIAL NOTATIONS

2018 ◽  
Vol 6 (2) ◽  
pp. 19-33 ◽  
Author(s):  
R.G. Biyashev ◽  
◽  
M.N. Kalimoldayev ◽  
S.E. Nyssanbayeva ◽  
N.A. Kapalova ◽  
...  
Keyword(s):  
Encryption Algorithm

A Constructive Method of Algebraic Attack with Less Keystream Bits

2011 ◽  
Vol E94-A (10) ◽  
pp. 2059-2062
Author(s):  
Xiaoyan ZHANG ◽  
Qichun WANG ◽  
Bin WANG ◽  
Haibin KAN
Keyword(s):  
Constructive Method ◽  
Algebraic Attack

ANALYSIS OF ASYMMETRIC NTRU PRIME IIT UKRAINE ENCRYPTION ALGORITHM WITH REGARDS TO KNOWN ATTACKS

2018 ◽  
Vol 77 (9) ◽  
pp. 799-816
Author(s):  
I. D. Gorbenko ◽  
O. G. Kachko ◽  
M. V. Yesina
Keyword(s):  
Encryption Algorithm

Image Encryption Algorithm Based on Substitution Principle and Shuffling Scheme

2020 ◽  
Vol 38 (3B) ◽  
pp. 98-103
Author(s):  
Atyaf S. Hamad ◽  
Alaa K. Farhan
Keyword(s):  
Image Encryption ◽  
Chaotic Map ◽  
Logistic Map ◽  
Encryption Algorithm ◽  
Second Phase ◽  
Cipher Text ◽  
The Face ◽  
Substitution Principle ◽  
2D Logistic Map ◽  
Image Encryption Algorithm

This research presents a method of image encryption that has been designed based on the algorithm of complete shuffling, transformation of substitution box, and predicated image crypto-system. This proposed algorithm presents extra confusion in the first phase because of including an S-box based on using substitution by AES algorithm in encryption and its inverse in Decryption. In the second phase, shifting and rotation were used based on secrete key in each channel depending on the result from the chaotic map, 2D logistic map and the output was processed and used for the encryption algorithm. It is known from earlier studies that simple encryption of images based on the scheme of shuffling is insecure in the face of chosen cipher text attacks. Later, an extended algorithm has been projected. This algorithm performs well against chosen cipher text attacks. In addition, the proposed approach was analyzed for NPCR, UACI (Unified Average Changing Intensity), and Entropy analysis for determining its strength.

Image Encryption Algorithm with Plaintext Related Chaining

2019 ◽  
Vol 38 (3) ◽  
pp. 647-678 ◽  
Author(s):  
Ľuboš Ovseník ◽  
Ján Turán ◽  
Tomáš Huszaník ◽  
Jakub Oravec ◽  
Ondrej Kováč ◽  
...  
Keyword(s):  
Image Encryption ◽  
Encryption Algorithm ◽  
Image Encryption Algorithm
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