The verification service allows users to verify file integrity against an issued timestamp token.
User is able to choose either to verify a file or only file's digest calculated externally.
Upload files
The user is able to verify a file integrity by uploading the file itself and a corresponding timestamp token to the system. The file can be uploaded using the "Drag and drop" mechanism, or by clicking the "Choose a file" button and selecting the file from a local storage.
Submit file digest
The user is able to verify a file integrity by providing file's digest and a corresponding timestamp token to the system. The file's digest must be calculate externaly, for example using sha256sum command line program.
Submitted digest must be HEX-encoded string.
Verification result
Depending on the input files, the system may notify the user that the file and the timestamp token match or do not match.
Security
When a user is using additional services security he will be asked to submit the authorization code sent by the system.
If the submitted secure code is valid, the system will perform the operation. Otherwise the user will be notified about the invalid user input.
Secure code is valid for 2 minutes after it is sent to the user.