Primary definition
Document containing plain text and code equivalents in a systematic arrangement, or a technique of machine encryption using a word substitution technique. (CNSSI-4009) (NISTIR)
Also known asCipher Book · Encoding Manual · Cryptographic Codebook · Substitution Codebook · Encryption Codebook
1 sources cited4 related termsReviewed Aug 10, 2026
— The Cyber GlossaryView source
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TCG
Document containing plain text and code equivalents in a systematic arrangement, or a technique of machine encryption using a word substitution technique. (CNSSI-4009) (NISTIR)
The Cyber Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Code Book. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/code-book
Sources
1 cited · last checked Aug 10, 2026
01
The Cyber Glossary
The Cyber Glossary
Single-source
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