Checking guide

You have received a record to check

Verify files and signature offline, without accessing the sender’s servers. You need the record, the appropriate verifier and trusted public keys obtained through a reliable separate channel.

A signed record for offline verificationChoose the files for the record. In this fictional example, two document versions are selected. Sign the manifest and its hashes. Files are inventoried and their hashes are included in the signed manifest. Verify files and signature offline. The recipient uses the record, the verifier and public trust information.v1v2SignedItemsCheck
Choose the files for the record.

In this fictional example, two document versions are selected.

Interactive diagramFictional example · Simulation
  1. Know what was sent

    Identify the documents, retained versions and date covered by the record.

  2. Gather what you need

    Keep the record, the checking software and the information supplied for checking its origin. Confirm how to obtain that information from a reliable source.

  3. Run the check

    Use the software supplied for the record to check what was received.

  4. Read the result

    Distinguish a completed check from a failed check, missing information or a document that was not included.

  5. Keep the result

    Retain the result and the materials needed to repeat the check later.

The check covers listed files, their hashes, the signature and trusted keys. Keep the report with the manifest to document the scope examined.

Return to Evidence Pack

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Illustrated history

Example of history applied to this page.

  1. Document created

    An initial version of this presentation brings together the software pages and the contract example.

    This is the starting point of the history shown here.

  2. Section added

    Seven situations explain how to find a document, prepare an audit or review a decision.

    Each example distinguishes what can be found from the limits that need checking.

  3. Document linked

    The contract has five stages that can be explored by swiping or using the buttons.

    A vertical gesture on the document still lets the page scroll normally.

  4. Sentence changed

    The presentation pages use more familiar words.

    The comparison below shows the home-page sentence before and after this change.

    See the changed sentence

    Before

    KARL Core keeps document versions and recorded decisions. Software for businesses, installed on your servers.

    After

    KARL Core is software for your business. It keeps document versions and recorded approvals so you can find what changed.
  5. Illustration added

    Illustrations explain levels, versions and links between documents.

    They support the explanations in this preview.