| 摘要 |
<p>One embodiment of a method for file authentication and versioning includes receiving a request to retrieve a data element identified by a content identifier, identifying a storage location associated with the content identifier, retrieving a data element stored at the storage location, calculating a second content identifier of the retrieved data element, comparing the content identifier and the second content identifier, if the content identifier and the second content identifier match, providing a preview of the retrieved data element and a representation of the content identifier to be displayed to a user. The representation of the content identifier may be an alphanumeric string derived from the content identifier or a graphic representation, such as a barcode, derived from the content identifier.</p> |
