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RC5

In cryptography, RC5 is a symmetric-key block cipher notable for its simplicity. Designed by Ronald Rivest in 1994, According to Ron Rivest, RC stands for "Ron's Code" but its documentation gives only RC5 as its name. The Advanced Encryption Standard (AES) candidate RC6 was based on RC5.

Standards, Description & Cryptanalysis

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Block sizes
32, 64 or 128 bits (64 suggested)
Designers
Ron Rivest
First published
1994
Key sizes
0 to 2040 bits (128 suggested)
Rounds
1-255 (12 suggested originally)
Structure
Feistel-like network

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Overview

Description

Algorithm

Cryptanalysis

Advanced semantic analysis

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Map overview Semantic statistics

RC5

Nodes32
Edges31
Triples28
Avg. degree1.94
Density0.0625
Components1

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RC5

Top relations

related to Description · 7
RC5 → Feistel-like, OR, RC2, RC5-w/r/b, The, Unlike, XOR
related to Cryptanalysis · 5
RC5 → As, Distributed, November, The, Twelve-round RC5
related to External links · 5
RC5 → Helger Lipmaa's, Laboratories FAQ, RC6, Rivests's, What
is a · 2
RC5 → symmetric-key block cipher notable for its simplicity, use of data-dependent rotations
related to Algorithm · 2
RC5 → All, Rivest's
Block sizes · 1
RC5 → 32, 64 or 128 bits (64 suggested)
Designers · 1
RC5 → Ron Rivest
First published · 1
RC5 → 1994
Key sizes · 1
RC5 → 0 to 2040 bits (128 suggested)
Rounds · 1
RC5 → 1-255 (12 suggested originally)

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Important terminology

key encryption rounds code algorithm block number using rivest bits rc6 32 64 words given decryption 12 cipher bytes used

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
RC5Block sizes32, 64 or 128 bits (64 suggested)1.00infobox
RC5DesignersRon Rivest1.00infobox
RC5First published19941.00infobox
RC5Key sizes0 to 2040 bits (128 suggested)1.00infobox
RC5Rounds1-255 (12 suggested originally)1.00infobox
RC5StructureFeistel-like network1.00infobox
RC5SuccessorsRC6, Akelarre1.00infobox
RC5is asymmetric-key block cipher notable for its simplicity0.90text
RC5is ause of data-dependent rotations0.90text
RC5related to AlgorithmAll0.60section
RC5related to AlgorithmRivest's0.60section
RC5related to CryptanalysisTwelve-round RC50.60section

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