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Related-Tweakey Impossible Differential Attack on Reduced-Round Deoxys-BC-256
related-tweakey impossible di erential attack tweakable block cipher Deoxys-BC-256
2018/7/17
Deoxys-BC is the internal tweakable block cipher of Deoxys, a third-round authenticated encryption candidate at the CAESAR competition. In this study, by adequately studying the tweakey schedule, we s...
Impossible Differential Attack on QARMA Family of Block Ciphers
impossible differential attack truncated differential QARMA
2018/4/12
QARMA is a family of lightweight tweakable block ciphers, which is used to support a software protection feature in the ARMv8 architecture. In this paper, we study the security of QARMA family against...
MILP-Aided Related-Tweak/Key Impossible Differential Attack and Its applications to QARMA, Joltik-BC
Tweakable block cipher Impossible differential attack Related-Tweakey
2018/2/9
In this paper, we study the relation of single-key impossible differentials with the related-tweakey/key ones and propose an interesting algorithm that can efficiently derive longer related-tweakey/ke...
Impossible Differential Attack on Midori128 Using Rebound-like Technique
cryptanalysis lightweight block cipher impossible differential
2017/4/5
Midori is a family of lightweight block cipher proposed by Banik et al. in ASIACRYPT 2015 and it is optimized with respect to the energy consumed by the circuit per bit in encryption or decryption ope...
Impossible Differential Attack on Simpira v2
Simpira-4 impossible differential attack Super S-box
2016/12/29
Simpira v2 is a family of cryptographic permutations proposed at ASIACRYPT 2016 which can be used to construct high throughput block ciphers using the Even-Mansour construction, permutation-based hash...
Related-Key Impossible-Differential Attack on Reduced-Round SKINNY
Symmetric cryptography cryptanalysis tweakable block cipher
2016/12/7
At CRYPTO'16, Beierle et al. presented SKINNY, a family of lightweight tweakable block ciphers intended to compete with SIMON. SKINNY can be implemented efficiently in both soft- and hardware, possess...
New Impossible Differential Attack on $\text{SAFER}_{+}$ and $\text{SAFER}_{++}$
SAFER\scriptsize +\normalsize SAFER\scriptsize ++\normalsize
2013/2/21
SAFER\scriptsize + \normalsize was a candidate block cipher for AES with 128-bit block size and a variable key sizes of 128, 192 or 256 bits. Bluetooth uses customized versions of SAFER\scriptsize + \...
Security of Reduced-Round Camellia against Impossible Differential Attack
Camellia Block Cipher Impossible Differential Cryptanalysis
2012/3/26
Camellia is one of the widely used block ciphers, which has been selected as an international standard by ISO/IEC. By using some interesting properties of $FL/FL^{-1}$ functions, we introduce new 7-ro...