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Verification path

General Counsel

Which state was signed, by which key, under which identity evidence?

Ask in this order

  1. Is the file structurally valid?
  2. Does its exact state match the protected hash?
  3. Is any signature mathematically valid?
  4. Is the key trusted and its real-world identity actually verified?
  5. Is time independently trusted?
  6. Is the document or key still current?