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New Observations on Invariant Subspace Attack
Invariant subspace attack AES-like Lightweight block ciphers
2017/3/28
Invariant subspace attack is a novel cryptanalytic technique which breaks several recently proposed lightweight block ciphers. In this paper, we propose a new method to bound the dimension of some inv...
Invariant Subspace Attack Against Midori64 and The Resistance Criteria for S-box Designs
Midori Block Cipher Invariant Subspace Attack
2016/12/8
We present an invariant subspace attack on the block cipher Midori64, proposed at Asiacrypt 2015. Our analysis shows that Midori64 has a class of 2^{32} weak keys. Under any such key, the cipher can b...
In this paper, we present an invariant subspace attack against
block cipher Midori64 which has recently been proposed by Banik et al. at
Asiacrypt 2015 to achieve low energy consumption. We show tha...