Kuhn, D.
(2022),
A Data Structure for Integrity Protection with Erasure Capability, OTHER, National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.CSWP.25, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=934681
(Accessed October 31, 2024)
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A Data Structure for Integrity Protection with Erasure Capability
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Abstract
This document describes a data structure, referred to as a data block matrix, that supports the ongoing addition of hash-linked records while also allowing for the deletion of arbitrary records, thereby preserving hash-based integrity assurance that other blocks are unchanged. The block matrix data structure may have utility for incorporation into applications requiring integrity protection that currently use permissioned blockchains. This capability could, for example, be useful in meeting privacy requirements, such as the European Union General Data Protection Regulation (GDPR), which requires that organizations make it possible to delete all information related to a particular individual at that person's request.Citation
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Keywords
blockchain, computer security, data structure, distributed ledger, hash, integrity protection.
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Created May 20, 2022, Updated November 29, 2022