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Embedded Universal Integrated Circuit Card Supporting Two-Factor Authentication

  • US 20150163056A1
  • Filed: 12/06/2013
  • Published: 06/11/2015
  • Est. Priority Date: 11/19/2013
  • Status: Active Grant
First Claim
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1. A method for authentication, the method performed by a module, the method comprising:

  • recording a first key and an identity, and sending the identity;

    receiving a profile, wherein the module uses the first key to decrypt a first portion of the profile, and wherein the first portion includes a first key K and a network module identity;

    sending the network module identity, receiving a first pseudo-random number (RAND), processing a first response value (RES) using the first key K, and sending the first RES;

    receiving a second key, wherein the module uses the second key to decrypt a second portion of the profile, and wherein the second portion includes a second key K; and

    ,receiving a second RAND, processing a second RES using the second key K, and sending the second RES.

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