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- Product_cipher abstract "In cryptography, a product cipher combines two or more transformations in a manner intending that the resulting cipher is more secure than the individual components to make it resistant to cryptanalysis. The product cipher combines a sequence of simple transformations such as substitution, permutation, and modular arithmetic. The concept of product ciphers is due to Claude Shannon, who presented the idea in his foundational paper, Communication Theory of Secrecy Systems.For transformation involving reasonable number of n message symbols, both of the foregoing cipher systems (the S-box and P-box) are by themselves wanting. Shannon suggested using a combination of S-box and P-box transformation—a product cipher. The combination could yield a cipher system more powerful than either one alone. This approach of alternatively applying substitution and permutation transformation has been used by IBM in the Lucifer cipher system, and has become the standard for national data encryption standards such as the Data Encryption Standard and the Advanced Encryption Standard. A product cipher that uses only substitutions and permutations is called a SP-network. Feistel ciphers are an important class of product ciphers.".
- Product_cipher wikiPageExternalLink part5.
- Product_cipher wikiPageID "598557".
- Product_cipher wikiPageRevisionID "564794866".
- Product_cipher hasPhotoCollection Product_cipher.
- Product_cipher subject Category:Block_ciphers.
- Product_cipher type Abstraction100002137.
- Product_cipher type BlockCiphers.
- Product_cipher type Cipher106254239.
- Product_cipher type Communication100033020.
- Product_cipher type Message106253690.
- Product_cipher comment "In cryptography, a product cipher combines two or more transformations in a manner intending that the resulting cipher is more secure than the individual components to make it resistant to cryptanalysis. The product cipher combines a sequence of simple transformations such as substitution, permutation, and modular arithmetic.".
- Product_cipher label "Chiffrement par produit".
- Product_cipher label "Cifrario del prodotto".
- Product_cipher label "Product cipher".
- Product_cipher label "乘积密码".
- Product_cipher sameAs Chiffrement_par_produit.
- Product_cipher sameAs Cifrario_del_prodotto.
- Product_cipher sameAs m.02v04h.
- Product_cipher sameAs Q1053352.
- Product_cipher sameAs Q1053352.
- Product_cipher sameAs Product_cipher.
- Product_cipher wasDerivedFrom Product_cipher?oldid=564794866.
- Product_cipher isPrimaryTopicOf Product_cipher.