作者: Joacim Tullberg , Stefan Lundberg , Fredrik Ternerot , Christian Gehrmann
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摘要: A method for restricting access to media data generated by a camera comprising: setting non-public initial user key, KICU, in the camera, providing client with establishing an authenticated relation between and sending authentication message including information based on from checking if operational key (K OCU ) is set performing, response act of acts a)-d) only not set: a) acquiring ), b) c) client, d) indicating that set.