Digital certificate producing method for secured electronic transaction field, involves producing certificate using digital data having data for identifying generation unit of private key and/or units for storing private key on medium

摘要

The method involves producing a digital certificate during which a certification authority regroups, in a set of data, a public key and a digital data having a data for identifying an owner of the public key and an associated private key. The digital data has a data for identifying generation units of the private key and/or units for storing the private key on a medium and/or a unit for signature with the private key. Independent claims are also included for the following: (A) a digital certificate of X509 type (B) a method of utilization of a digital certificate.