FIELD: information technologies.
SUBSTANCE: checking method of certificate validity, which includes the key connected to network devices, involves the step of receiving the encoded content and validity index connected to that content in the network. Certificate validity is evaluated from the time index included in the certificate where the time index has the value corresponding to the certificate issuing date, and from validity index connected to the above encoded content.
EFFECT: simplifying the checking process of certificate validity, which provides access to data without reducing data access security.
20 cl, 12 dwg
