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Block cipher mode of operation

In cryptography, a block cipher mode of operation is an algorithm that uses a block cipher to provide information security such as confidentiality or authenticity. A block cipher by itself is only suitable for the secure cryptographic transformation (encryption or decryption) of one fixed-length group of bits called a block. A mode of operation describes…

History & Standards

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History and standardization

21 related topics

Overview

35 related topics

Other modes and other cryptographic primitives

9 related topics

Padding

7 related topics

Key facts & relationships

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Decryption parallelizable
Yes
Encryption parallelizable
Yes
Partial last block
Yes
Random read access
Yes

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Overview

History and standardization

Initialization vector (IV)

Padding

Common modes

Error propagation

Other modes and other cryptographic primitives

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Map overview Semantic statistics

Block cipher mode of operation

Nodes90
Edges89
Triples17
Avg. degree1.98
Density0.022222
Components1

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Block cipher mode of operation

Top relations

Decryption parallelizable · 1
Block cipher mode of operation → Yes
Encryption parallelizable · 1
Block cipher mode of operation → Yes
Partial last block · 1
Block cipher mode of operation → Yes
Random read access · 1
Block cipher mode of operation → Yes
is a · 1
Block cipher mode of operation → algorithm that uses a block cipher to provide information security such as confidentiality or authenticity

Important terminology Word statistics

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Important terminology

block modes plaintext mode encryption cipher ciphertext iv cbc used operation data bit initialization authentication decryption message vector encrypted key

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Block cipher mode of operationDecryption parallelizableYes1.00infobox
Block cipher mode of operationEncryption parallelizableYes1.00infobox
Block cipher mode of operationPartial last blockYes1.00infobox
Block cipher mode of operationRandom read accessYes1.00infobox
Block cipher mode of operationis aalgorithm that uses a block cipher to provide information security such as confidentiality or authenticity0.90text
confidentiality or authenticityinstance ofa block cipher mode of operation is an algorithm that uses a block cipher to provide information security0.80text
CBC-MACinstance ofModification or tampering can be detected with a separate message authentication code0.80text
or a digital signatureinstance ofModification or tampering can be detected with a separate message authentication code0.80text
ciphertext stealing or residual block terminationinstance ofMost sophisticated are CBC-specific schemes0.80text
which do not cause any extra ciphertextinstance ofMost sophisticated are CBC-specific schemes0.80text
at the expense of some additional complexityinstance ofMost sophisticated are CBC-specific schemes0.80text
being only used onceinstance ofmay have requirements0.80text

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