1. Separation of data or information into two or more parts, each part constantly kept under control of separate authorized individuals or teams so that no one individual or team will know the whole data. 2. A process by which a cryptographic key is split into multiple key components, individually sharing no knowledge of the original key, which can be subsequently input into, or output from, a cryptographic module by separate entities and combined to recreate the original cryptographic key. Source: NIST SP 800-57 Part 1 Rev 3 (adapted)
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1. Separation of data or information into two or more parts, each part constantly kept under control of separate authorized individuals or teams so that no one individual or team will know the whole data. 2. A process by which a cryptographic key is split into multiple key components, individually sharing no knowledge of the original key, which can be subsequently input into, or output from, a cryptographic module by separate entities and combined to recreate the original cryptographic key. Source: NIST SP 800-57 Part 1 Rev 3 (adapted)
Cite this term
Election Security Glossary. (2026). Split Knowledge. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/split-knowledge
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