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Skipjack (cipher)

In cryptography, Skipjack is a block cipher — an algorithm for encryption — developed by the United States National Security Agency (NSA). Initially a classified encryption algorithm, it was developed for use in the controversial Clipper chip. In 1998, the algorithm was declassified.

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Block sizes
64 bits
Designers
NSA
First published
1998 (declassified)
Key sizes
80 bits
Rounds
32
Structure
unbalanced Feistel network

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Overview

History of Skipjack

Description

Cryptanalysis

In pop culture

Advanced semantic analysis

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Map overview Semantic statistics

Skipjack (cipher)

Nodes38
Edges37
Triples6
Avg. degree1.95
Density0.052632
Components1

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Skipjack (cipher)

Top relations

Block sizes · 1
Skipjack (cipher) → 64 bits
Designers · 1
Skipjack (cipher) → NSA
First published · 1
Skipjack (cipher) → 1998 (declassified)
Key sizes · 1
Skipjack (cipher) → 80 bits
Rounds · 1
Skipjack (cipher) → 32
Structure · 1
Skipjack (cipher) → unbalanced Feistel network

Important terminology Word statistics

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Important terminology

skipjack algorithm encryption cipher nsa rounds use 1998 key declassified developed published cryptanalysis history differential block cryptography classified used many

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Skipjack (cipher)Block sizes64 bits1.00infobox
Skipjack (cipher)DesignersNSA1.00infobox
Skipjack (cipher)First published1998 (declassified)1.00infobox
Skipjack (cipher)Key sizes80 bits1.00infobox
Skipjack (cipher)Rounds321.00infobox
Skipjack (cipher)Structureunbalanced Feistel network1.00infobox

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    Min side: 3
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