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A3 - Authentication Algorithm A3

Authentication algorithm used in conjunction with Ki , the authentication key, and RAND , the random number generated in the AuC (Authentication Centre) to produce the SRES (Signed Response). This variable is used by the network to authenticate a MS (Mobile Station) requesting network resources.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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