Forward Cipher

nounid 2638·updated May 12, 2026

candidate

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

One of the two functions of the block cipher algorithm that is determined by the choice of a cryptographic key. The term “forward cipher operation” is used for TDEA, while the term “forward transformation” is used for DEA.

MWE

Classifications

per-axis with provenance

Entity Type

Control0%rule-basedmulti_axis_classifier_low_confidence.v1

Sensitivity

—50%llm-generatedllm:claude-haiku-4-5

Information Class

unclassified

Variants

3 surface forms

plural: Forward Ciphers
possessive: Forward Cipher's
pluralpossessive: Forward Ciphers'

Framework definitions

2 senses across 2 frameworks

NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →

§1: One of the two functions of the block cipher algorithm that is determined by the choice of a cryptographic key. The term “forward cipher operation” is used for TDEA, while the term “forward transformation” is used for DEA.

NIST SP 800-671 senseview framework →

§1: One of the two functions of the block cipher algorithm that is determined by the choice of a cryptographic key. The term “forward cipher operation” is used for TDEA, while the term “forward transformation” is used for DEA.

Outgoing relationships

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Incoming relationships

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