Method and devices for the registration of a customer-specific acquistion of services

摘要

to capture the procurement of services, a service is a computer (br) of the service a aufforderungsmeldung (c (br)) using elliptic curves cryptography based on services data becomes (dat (br)) is generated (s1) and (s2) funkbasiert sent out.in customer media (km) from the aufforderungsmeldung (c (br)) by means of the elliptic curves cryptography and a kundenmedium (km) stored private key (priv (km)) authentisierungsbeleg (r (km)) is created (s4).in the customer media (km) will also through the elliptical curves cryptography from a random number (rn) and a public key (pub (kv) of a kundenvertragspartners (kv), a symmetric key (key (km) is generated (s7).in the customer media (km) will respond (dat (km)) is generated (s9), which is one of the authentisierungsbeleg (r (km) and a situation. with the symmetric key generated and encrypted key (km) antwortmeldungsteil (rciph (km) and using the elliptical ku rven cryptography from the random number generated (s6) kurvenpunkt (c (100) comprises.the antwortmeldungen of customer media (km) from the computer (br) to a data center (rkv) of the kundenvertragspartners (kv) is transmitted (s12).