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FIELD GUIDE / PRACTICAL STEPS

How to Verify a File with SHA-256

Compare local file checksums with a trusted publisher’s value.

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Work through this in order

  1. Obtain the expected SHA-256 hash from an authentic source
  2. Choose the exact file you downloaded
  3. Calculate the digest locally
  4. Compare every hexadecimal character
  5. If values differ download again from a trusted source

Use the matching tool

Inspect a local copy with SHA-256 File Checksum. After the check, save or repair files only using trusted software that supports the format.