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Hash Value

What is Hash Value?

A fixed-size string produced by a hash function from input data of any size. Hash values are used for data integrity verification, password storage, digital signatures, and blockchain technology.

Information Security

Frameworks that govern hash value

ISO 27001:2022View framework →NIST Cybersecurity Framework 2.0View framework →CIS Controls v8View framework →

What the standards actually require on hash value

Requirements naming hash value across 4 standards, quoted from the control text.

ISO/IEC 27050-3:20201 control

Recommendations for collection (text not held): choose among the available tools and methods, from forensic imaging that recovers deleted material to targeted exports by the user, according to the device, the data, the matter and the jurisdiction;

iso-iec-27050-3-2020::6.4.5 · 6.4.5 Guidance for ESI collection →
PCI DSS 4.01 control

Where hashing is used to make PAN unreadable (the first method listed in Requirement 3.5.1), the hashes must be keyed cryptographic hashes over the entire PAN, supported by key-management processes and procedures that meet Requirements 3.6 and 3.7.

3.5.1.1 · 3.5.1.1 PAN hashes are keyed cryptographic hashes →
Philippines Cybercrime Prevention Act (RA 10175)1 control

An internet service provider or internet content host must install available technology, programs or software, such as hash-value matching, so that access to or transmission of any form of child pornography is blocked or filtered.

philippines-cybercrime-prevention-act-ra-10175::IRR Sec. 31(1) · IRR Sec. 31(1) Blocking and filtering child sexual abuse material →
UNECE WP.29 R1561 control

A process whereby all initial and updated software versions, with their integrity validation data, and the relevant hardware components of a type approved system can be uniquely identified.

unece-wp-29-r156::7.1.1.2 · 7.1.1.2 Unique identification of software versions, integrity data and hardware of type approved systems →

Questions people ask about hash value

What is Hash Value?
A fixed-size string produced by a hash function from input data of any size. Hash values are used for data integrity verification, password storage, digital signatures, and blockchain technology.
Why is Hash Value important for compliance?
Hash Value is a key concept in Information Security. Understanding hash value helps organizations meet regulatory requirements, reduce risk, and demonstrate due diligence during audits. Our compliance platform maps 1,016 frameworks with 316K cross-framework control mappings.
Which compliance frameworks address Hash Value?
Hash Value appears in the requirement text of ISO/IEC 27050-3:2020, PCI DSS 4.0, Philippines Cybercrime Prevention Act (RA 10175), UNECE WP.29 R156. Across these standards we have identified 4 controls that name it directly, each linked to the control text on the compliance platform.
Where can I learn more about Hash Value?
Explore our compliance framework pages to see how hash value applies across different standards and regulations. Our implementation guides provide step-by-step guidance, and the compliance platform offers AI-powered analysis of how this concept maps across 1,016 frameworks.

See how Hash Value applies across compliance frameworks

Our platform maps 1,016 frameworks with 316K cross-framework control mappings. Explore how this concept is addressed across standards.

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Written and maintained by Gerard Blokdyk, The Art of Service.