Semantic Units of the PREMIS Data Dictionary
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in the OWL Ontology ver. 1 is defined as:
DatatypeProperty hasSignatureValidationRules 
| Containers | Current |
|---|---|
| 1 - Object 1.8 - signatureInformation 1.8.1 - signature | 1.8.1.5 signatureValidationRules |
| Semantic unit | 1.8.1.5 signatureValidationRules |
|---|---|
| Definition | The operations to be performed in order to validate the digital signature. |
| Applicability | Bitstream, File |
| Obligation | Mandatory |
| Repeatability | Not repeatable |
| Rationale | The repository should not assume that the procedure for validating any particular signature will be known many years in the future without documentation. |
| Data constraint | None |
| Usage notes | This may include the canonicalization method used before calculating the message digest, if the object was normalized before signing. This value could also be a pointer to archive documentation. |