Feistel Block Cipher - Feistel Cipher is not a specific scheme of block cipher. It is a design model from which many different block ciphers are derived. DES is just one example of a Feistel Cipher. A cryptographic system based on Feistel cipher structur
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Feistel cipher is also called Luby-Rackoff block cipher, which is used to construct a symmetric structure of block encryption algorithm. It was invented by the German cryptographer Horst Feistel while working at IBM. Feistel cipher is also called Feistel network. Many block encryption algorithms are...
The main works of this paper are as follows: Firstly, we summarize the basis theory of block cipher designing and analysis methods we have known, and mainly introduce Feistel structure. Secondly, based on the research and recognition of the preceding knowledge, this paper introduces a new chosen...
关键词轻量级分组密码,Feistel结构,PREsEI虹算法,依赖性测试,密码分析中图法分类号TP309,TN918 文献标识码ADOI10.11896/j.issra 1002-137X.2017.03.036Ultra-lightweight Block Cipher Algorithm(PFP)Based Oil Feistel StructureHUANG Yu-hual'3 DAI Xue-jUDl SHI Yang-yan91 LIU Ning-zhon91 ZENG Qing-xj2SU...
Generation of Round Key Using Random Number Generator approach and Use of unique round function for each round .Thus the existing Feistel structure has been modified to create a new block-cipher structure which incorporates effective key generation and round function approaches to provide effective data...
This paper focuses on how to build a secure tweakable block cipher from the Key-Alternating Feistel (KAF) structure, a dedicated Feistel structure with round functions of the form \\(F_i(k_i\\oplus x_i)\\), where \\(k_i\\) is the secret round key and \\(F_i\\) is a ...
We study a Viterbi search for the maximum differential characteristic probability (DCP_(max)) of a block cipher with a generalized Feistel structure, referred to as a generalized Feistel-type cipher (GFC). DCP_(max) is a security index of differential cryptanalysis. The upper bound of DCP_(ma...
AbstractThestructureofablockcipherisoneofthemostimportantfactorsinitssecurity.BasedontheformeranalysisofBalancedFeistelNetworks.theauthorsstudyUnbalancedFeistelNetworkswithContractingFunctions(UFN—C)byprovablesecuritytechniques.Asshowed,UFN—Cwithk+ 君,已阅读到文档的结尾了呢~~...
构造Feistel-SP结构高阶差分区分器的新方法 - 密码学报201403