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MAC-I calculation at enodeb

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How can we calculate short MAC-I at enodeb side? Is there any API for it, then What are it's inputs?

posted May 15, 2018 by Shruti

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1 Answer

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Please check LTE security specification (33.401) to get more details on MAC-I calculation. There are parameters such as COUNT, BEARER ID, DIRECTION, MESSAGE are provided as input parameter to integrity algorithm along with the generated RRCint key and integrity function returns 32-bit MAC-I.

answer May 15, 2018 by Vimal Kumar Mishra
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