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Related-Key Linear Cryptanalysis on SIMON
[article]
2018
IACR Cryptology ePrint Archive
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that is the xor of the key to be recovered and the specified key difference. ...
We present a general framework for the related-key linear attack that can be applied to iterative block ciphers with linear key schedules. ...
We are grateful to the anonymous reviewers for their help in improving the quality of the paper. ...
dblp:journals/iacr/LeeKK18
fatcat:2nv7ncz53fhd5g2m2ck5vvm2f4
Improved Differential Attacks on Reduced SIMON Versions
[article]
2014
IACR Cryptology ePrint Archive
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It has totally 10 versions corresponding to different block size 2n and key length l k , named as SIMON2n/l k . ...
Our attacks work on the reduced SIMON of all 10 suggested versions, which improve the best previous results by 2 to 4 rounds. ...
Differential cryptanalysis aims to analyze how particular XOR differences in plaintext pairs affect the XOR differences of the resultant ciphertext pairs. ...
dblp:journals/iacr/WangWJZ14
fatcat:eqpk47twxnhbtbxrhdnuf5xype
Scrutinizing and Improving Impossible Differential Attacks: Applications to CLEFIA, Camellia, LBlock and Simon
[chapter]
2014
Lecture Notes in Computer Science
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Impossible differential cryptanalysis has shown to be a very powerful form of cryptanalysis against block ciphers. ...
These advances lead to the improvement of previous attacks against well known ciphers such as CLEFIA-128 and Camellia, while also to new attacks against 23-round LBlock and all members of the Simon family ...
The way that the different key bits in the target set are related is determined by the key schedule. ...
doi:10.1007/978-3-662-45611-8_10
fatcat:dkoq7okngncznadjy3r7f4bor4
Deep Learning Assisted Differential Cryptanalysis for the Lightweight Cipher SIMON
2021
KSII Transactions on Internet and Information Systems
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In this paper, we are committed to evaluating the safety of SIMON cipher under the neural differential cryptanalysis. ...
For the key-recovery attack, the correct key was recovered with a success rate of 23%, and the data complexity and computation complexity are as low as 2 8 and 2 20.1 respectively. ...
As the key schedule is irrelevant to our differential analysis, we omit its description and refer the readers to [19] . ...
doi:10.3837/tiis.2021.02.012
fatcat:6ivrb3nmabau5cqv7b4moamy6q
Automatic Security Evaluation and (Related-key) Differential Characteristic Search: Application to SIMON, PRESENT, LBlock, DES(L) and Other Bit-Oriented Block Ciphers
[chapter]
2014
Lecture Notes in Computer Science
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The application of the methods to PRESENT80/128, LBlock, SIMON, DES(L) and example source code are presented in Appendices. ...
We successfully prove that the 24-round PRESENT-80 is secure enough to resist against standard related-key differential attacks based on differential characteristic, and the probability of the best related-key ...
s method [12] is only applicable to ciphers with linear key schedule. ...
doi:10.1007/978-3-662-45611-8_9
fatcat:cpqyacb5evf5fojnbowdaly4im
Rotational-XOR Rectangle Cryptanalysis on Round-Reduced Simon
2020
Security and Communication Networks
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Finally, we construct related-key rectangle distinguishers for round-reduced versions of Simon with block lengths of 32, 48, and 64, and we suggest a five- or six-round key recovery attack. ...
In this paper, we apply the Rotational-XOR-difference (RXD) approach to a non-ARX cipher Simon and evaluate its security. ...
rotational attack is basically in the related-key model and the δ values (RXDs) of the round keys vary according to the round constants z i 's XORed in the key schedule ...
doi:10.1155/2020/5968584
fatcat:fyxvwxqfajgbjhx4clfcdrbiei
Truncated differential based known-key attacks on round-reduced SIMON
2016
Designs, Codes and Cryptography
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To the best of our knowledge, these are the first known-key results on the block cipher Simon. ...
With these techniques, we launch basic known-key attacks on round-reduced Simon. We also involve some key guessing technique and further extend the basic attacks to more rounds. ...
The key schedule as well as other details of Simon is not used in this paper and we refer interested readers to [10] . ...
doi:10.1007/s10623-016-0242-3
fatcat:bt4o5a7acjcujibz5u2aj4m3ye
Conditional Differential Cryptanalysis of Trivium and KATAN
[chapter]
2012
Lecture Notes in Computer Science
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For the KATAN family we focus on its security in the related-key scenario and obtain practical key-recovery attacks for 120, 103 and 90 of 254 rounds of KATAN32, KATAN48 and KATAN64, respectively. ...
We improve the technique by using automatic tools to find and analyze the involved conditions. ...
We thank the reviewers of SAC 2011 for their helpful comments encouraging us to describe our analysis in more detail. ...
doi:10.1007/978-3-642-28496-0_12
fatcat:7b2mapgg2bfzziqhcairvvrw4m
Bright - Proposed Family of Lightweight Block Ciphers for IoT-Enabled Smart Environment
2019
VOLUME-8 ISSUE-10, AUGUST 2019, REGULAR ISSUE
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Round permutation in BRIGHT results in stronger and faster diffusion and provides resistance against linear, differential, impossible differential, related-key rectangle, biclique, MITM, and statistical ...
For this, we have used the concept of key whitening that helps to resist against attacks like MITM and brute-force. ...
Differential Cryptanalysis It is also known as a chosen-plaintext attack which is used mainly in block ciphers to analyze how input differences lead to output differences. ...
doi:10.35940/ijitee.i7778.078919
fatcat:4w7yxfomwnaazl63fsb6i3hvcy
Revisiting Lightweight Block Ciphers: Review, Taxonomy and Future directions
[article]
2021
IACR Cryptology ePrint Archive
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the field and has been a go-to option ever since. ...
Over the period of past two decades or so, a bulk of lightweight block ciphers have been proposed due to the growing need and demand in lightweight cryptography. ...
The permutation in the key scheduling is carefully chosen in order for the cipher to be secure in opposition to related-key differential attacks and MITM attacks. ...
dblp:journals/iacr/DarLH21
fatcat:e7degswt35gefavnsbmu53r7ky
CHAM: A Family of Lightweight Block Ciphers for Resource-Constrained Devices
[chapter]
2018
Lecture Notes in Computer Science
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-Numbers of round keys are far fewer than the numbers of rounds, and round functions reuse them iteratively. This reduces the memory size necessary to store the round keys. ...
Bearing this in mind, we analyze the security of CHAM against various attacks, including differential cryptanalysis and linear cryptanalysis. ...
We denote a (RK) differential characteristic by (∆ key ), ∆ in → ∆ out , where ∆ key is the difference of the secret key, and ∆ in and ∆ out are the input and output differences, respectively. ...
doi:10.1007/978-3-319-78556-1_1
fatcat:fcilmpcigjd27bujxww2kicu24
The Simeck Family of Lightweight Block Ciphers
[chapter]
2015
Lecture Notes in Computer Science
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In addition, we also give the security evaluation of Simeck with respect to many traditional cryptanalysis methods, including differential attacks, linear attacks, impossible differential attacks, meet-in-the-middle ...
We use a slightly modified version of Simon's round function, and reuse it in the key schedule like Speck does. ...
Acknowledgments The authors would like to thank the anonymous reviewers for their helpful and constructive comments that greatly contributed to improving the final version of the paper. ...
doi:10.1007/978-3-662-48324-4_16
fatcat:npxwugbsdbddvkdcqxky7z4qai
STP Models of Optimal Differential and Linear Trail for S-box Based Ciphers
[article]
2019
IACR Cryptology ePrint Archive
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And we found that there is no 5-round AES-128 single-key truncated impossible differential considering key schedule, where input and output differences have only one active byte respectively. ...
Meanwhile, the STP-based model for single-key impossible differentials considering key schedule is proposed, which traces the propagation of values from plaintext to ciphertext instead of propagations ...
Applications to Word-Oriented Block Ciphers Truncated Impossible Differentials for AES-128 under Key Schedule. ...
dblp:journals/iacr/LiuLLHHYW19
fatcat:u5c2s4y5ujb6zadbcyi7m5srnq
Lightweight Cryptography Algorithms for Resource-Constrained IoT Devices: A Review, Comparison and Research Opportunities
2021
IEEE Access
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IoT is becoming more common and popular due to its wide range of applications in various domains. They collect data from the real environment and transfer it over the networks. ...
To provide a holistic view of the area, in this paper, we have compared the existing algorithms in terms of implementation cost, hardware and software performances and attack resistance properties. ...
The optimized sub-key generation technique of EPCBC enhances its immunity against related-key differential attacks. ...
doi:10.1109/access.2021.3052867
fatcat:lidatyjdtrh4jirpxnnvgwsupi
Improved Top-Down Techniques in Differential Cryptanalysis
[chapter]
2015
Lecture Notes in Computer Science
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In addition, we show how to use our new techniques to attack a 1-key version of the iterated Even-Mansour scheme in the related key setting, obtaining the first generic attack on 4 rounds of this well-studied ...
The fundamental problem of differential cryptanalysis is to find the highest entries in the Difference Distribution Table ( DDT ) of a given mapping F over n-bit values, and in particular to find the highest ...
One such algorithm is impossible differential cryptanalysis of Feistel structures [18] and its various extensions, which use a data structure similar to H to iterate over pairs with related input and ...
doi:10.1007/978-3-319-22174-8_8
fatcat:7vrlssyjr5bsrllghs2ebmggky
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