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On the indifferentiability of key-alternating ciphers
Even-Mansour ideal cipher key-alternating cipher indif- ferentiability
2016/1/23
The Advanced Encryption Standard (AES) is the most widely used block cipher. The high level structure of AES can be viewed as a (10-round) key-alternating cipher, where a t-round key-alternating ci-ph...
Indifferentiability of Confusion-Diffusion Networks
Indifferentiability Confusion-Diffusion Networks
2016/1/22
We show the first positive results for the indifferentiability security of the confusion-diffusion networks (which are extensively used in the design of block ciphers and hash functions).In particular...
Feistel Networks: Indifferentiability at 10 Rounds
Feistel Networks Indifferentiability Rounds
2016/1/22
We prove that a (balanced) 10-round Feistel network is indifferentiable from a random permutation. In a previous seminal result, Holenstein et al. [17] had established indifferentiability of Feistel a...