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Certification method using an embedded UICC certificate, provisioning and MNO changing methods using the certification method, embedded UICC therefor, MNO system, and recording medium

  • US 9,451,459 B2
  • Filed: 09/04/2012
  • Issued: 09/20/2016
  • Est. Priority Date: 09/05/2011
  • Status: Active Grant
First Claim
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1. A method of certifying an embedded universal integrated circuit card (eUICC) cooperating with a mobile network operator (MNO) system and a subscription manager (SM), the method comprising:

  • storing, by the eUICC, an eUICC certificate used for the MNO system or the SM to verify an identity of the eUICC; and

    transmitting, by the eUICC, the eUICC certificate to the MNO system or the SM,wherein the SM comprises a subscription manager-secure routing (SM-SR) and a subscription manager-data preparation (SM-DP), both of which perform an encryption function such that the eUICC certificate is double encrypted upon a condition that both the SM-SR and SM-DP are instructed to perform said encryption.

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