Hash chain

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Abbreviation(s) and Synonym(s):

None

Definition(s):

An append-only data structure where data is bundled into data blocks that include a hash of the previous data block’s data within the newest data block. This data structure provides evidence of tampering because any modification to a data block will change the hash digest recorded by the following data block.
Source(s):
NISTIR 8202

Glossary Comments

Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.

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See NISTIR 7298 Rev. 3 for additional details.

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Information Technology Laboratory

Computer Security Resource Center

Computer Security Resource Center

Hash chain

Glossary Comments