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Permutation box and Transposition cipher

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between Permutation box and Transposition cipher

Permutation box vs. Transposition cipher

In cryptography, a permutation box (or P-box) is a method of bit-shuffling used to permute or transpose bits across S-boxes inputs, retaining diffusion while transposing. In cryptography, a transposition cipher is a method of encryption by which the positions held by units of plaintext (which are commonly characters or groups of characters) are shifted according to a regular system, so that the ciphertext constitutes a permutation of the plaintext.

Similarities between Permutation box and Transposition cipher

Permutation box and Transposition cipher have 7 things in common (in Unionpedia): Block cipher, Ciphertext, Confusion and diffusion, Cryptography, Permutation, Plaintext, Substitution cipher.

Block cipher

In cryptography, a block cipher is a deterministic algorithm operating on fixed-length groups of bits, called a block, with an unvarying transformation that is specified by a symmetric key.

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Ciphertext

In cryptography, ciphertext or cyphertext is the result of encryption performed on plaintext using an algorithm, called a cipher.

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Confusion and diffusion

In cryptography, confusion and diffusion are two properties of the operation of a secure cipher identified by Claude Shannon in his 1945 classified report A Mathematical Theory of Cryptography. These properties, when present, work to thwart the application of statistics and other methods of cryptanalysis.

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Cryptography

Cryptography or cryptology (from κρυπτός|translit.

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Permutation

In mathematics, the notion of permutation relates to the act of arranging all the members of a set into some sequence or order, or if the set is already ordered, rearranging (reordering) its elements, a process called permuting.

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Plaintext

In cryptography, plaintext or cleartext is unencrypted information, as opposed to information encrypted for storage or transmission.

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Substitution cipher

In cryptography, a substitution cipher is a method of encrypting by which units of plaintext are replaced with ciphertext, according to a fixed system; the "units" may be single letters (the most common), pairs of letters, triplets of letters, mixtures of the above, and so forth.

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The list above answers the following questions

Permutation box and Transposition cipher Comparison

Permutation box has 13 relations, while Transposition cipher has 32. As they have in common 7, the Jaccard index is 15.56% = 7 / (13 + 32).

References

This article shows the relationship between Permutation box and Transposition cipher. To access each article from which the information was extracted, please visit:

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