Storage
Stamp validation
Conservation
Digital File
Validation
- Integrity: Verification of the hash with respect to the original document
- Expiration: It is verified that the digital signature certificate is valid on the current date and time with respect to the chronological stamp
- Trust: It is verified that the digital signature certificate has been issued by a trusted open digital certification authority
- Revocation: It is verified, via OCSP or CRL protocol, that the digital certificate is valid at the time of signature generation.