Semantic Units of the PREMIS Data Dictionary
Go back to the main page
Go back to the index of PREMIS Semantic Units
in the OWL Ontology ver. 1 is defined as:
FunctionalProperty hasMessageDigestAlgorithm 
| Containers | Current |
|---|---|
| 1 - Object 1.5 - objectCharacteristics 1.5.2 - fixity | 1.5.2.1 messageDigestAlgorithm |
| Semantic unit | 1.5.2.1 messageDigestAlgorithm |
|---|---|
| Definition | The specific algorithm used to construct the message digest for the digital object. |
| Applicability | Bitstream, File |
| Obligation | Mandatory |
| Repeatability | Not repeatable |
| Data constraint | Value should be taken from a controlled vocabulary. A controlled vocabulary list is available at: |
| Controlled vocabulary | http://id.loc.gov/vocabulary/preservation/cryptographicHashFunctions.html |
| Examples | MD5 Adler-32 HAVAL SHA-1 SHA-256 SHA-384 SHA-512 TIGER WHIRLPOOL MD5 Adler-32 HAVAL SHA-1 SHA-256 SHA-384 SHA-512 TIGER WHIRLPOOL |