9798-5Revision CheckerISO/IEC DIS 9798-5
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Clause 2

Thirty-one terms, and the four that carry the work

ISO/IEC DIS 9798-5 · The revision frame · replaced

The 2009 edition defines thirty-one terms. Four of them do most of the work in a review: accreditation exponent, adaptation parameter, coupon and witness. Each names a number or a step that a design note will otherwise describe in its own words, and the mismatch is what an auditor finds.

What it asks
Use the defined terms in the design note and the test plan, and define any local synonym once. Where a term was added or changed by the fourth edition, cite the new definition rather than the 2009 one, and keep the older definition available for systems that have not migrated.
What the revision does
The fourth edition revisits the term set. The public record does not list the additions or changes, so this page records the 2009 set as the baseline to compare against. The 2009 wording is therefore superseded at publication.
Who it binds
The author of the internal standard and the reviewer who reads the design note.
Evidence an auditor samples
  • The glossary, with each defined term and the edition it comes from (cryptography standard)
  • The design note that uses the terms consistently (architecture)
  • The mapping from local synonyms to defined terms (engineering wiki)
The test you can run
Take a design note and underline every noun that names a number or a step. If any of them is not a defined term, the note is speaking its own language.
Common failures
  • The glossary is copied from a textbook rather than the edition in force.
  • A local synonym is used in the test plan and the defined term in the design note.
How to close it
Keep one glossary per edition and link it from every document. A term is not adopted until the design note, the test plan and the code comment use the same word for the same object. Put the glossary, with each defined term and the edition it comes from in the register first, then work down the evidence list until every line has a date.
Where it sits against the 2009 edition
The clause exists today as Clause 2 in the 2009 edition. The fourth edition replaces it, and the public record stops before the new wording, so the obligation below is the one in force.

For the file, this row closes when the glossary, with each defined term and the edition it comes from exists with a date, a named holder and a pointer, and when the test above has been run and recorded. The author of the internal standard and the reviewer who reads the design note. owns that answer for Clause 2.