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Secure e-Payment Portal Solutions Using Mobile Technologies and ...

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3.2 Third Generation <strong>Mobile</strong> Communications: 3G3.2.3.2 Authentication <strong>and</strong> Key Arrangement (AKA) <strong>and</strong> MILENAGE• An overview of the 3G authentication process in AuC is shown in Figure3.4Figure 3.4: 3G generation of authentication data at AuC/HLR [97]• Anoverview ofthe3GauthenticationprocessinUSIMisshown inFigure3.5In this section the Authentication <strong>and</strong> Key Arrangement (AKA) is given detailedexplanation,because AKAhasanimportant roleintheproposed systemprotocols in chapter 7.An overview of 3G authentication <strong>and</strong> key arrangement process is shown inFigure 3.6.77

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