Method to manage subscriptions in a provisioning server
US10313855B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2015 |
| Grant date | Jun 4, 2019 |
| Priority date | — |
| Expiry date | Mar 7, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/069
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a method to manage subscriptions in a provisioning server (PS) able to communicate with a Hardware Security Module (HSM) having an HSM key (K). Said method being such that the HSM comprising a load and a reload function, the secure device key ((Ke1)K) and the storage key ((Ks)K) as encrypted and stored are provided (S1) to one of said functions, said functions outputting, the storage key ((Ks)Ke1)K) encrypted using the provided secure device (SE1) key (Ke1) and the HSM key K, and an APDU_putkey command ((APDU_PUTKEY((Ks)Ke1))Ke1), encrypted using the provided secure device (SE1) key (Ke1), to put the retrieved storage key ((Ks)Ke1) also encrypted using the provided secure device key (Ke1), the storage key as previously stored ((Ks)K) is overwritten (S6) with the storage key (((Ks)Ke1)K) encrypted using the secure device key (Ke1) and the HSM key (K) returned by the function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.