×

Security considerations for the LTE of UMTS

  • US 8,832,449 B2
  • Filed: 03/21/2007
  • Issued: 09/09/2014
  • Est. Priority Date: 03/22/2006
  • Status: Active Grant
First Claim
Patent Images

1. A method for providing message protection, the method comprising:

  • generating, by a transmitter, a ciphered message based upon at least one counter, a message, and a ciphering key;

    generating, by the transmitter, an unciphered message authentication code (MAC) based upon the at least one counter, an integrity protection key, and the ciphered message; and

    transmitting, by the transmitter, security protected data comprising the unciphered MAC and the ciphered message over a transmission medium,wherein the generation of the ciphered message and the generation of the unciphered MAC occur independently, andwherein the ciphering key and the integrity protection key are generated using authentication parameters including a random challenge and an authentication token.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×