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Identity Management
Configuring and Implementing Authorization in OpenEdge : User ID patterns as ACLs and ABL permissions checking : Data-integrity seal

Data-integrity seal

A message digest, digital signature, or HMAC that is attached to a block of data to provide validation of the block's data integrity and originator. The seal dates back to when the state of data-integrity technology was based on wax seals that were placed on paper documents. The wax seals were embedded with an imprint that was unique to the person who generated the document. Examples in computer technology include a database record, disk file, etc.