Method for authenticating devices in a medical network
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United States of America Patent
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Jun 4, 2019
Grant Date -
Jan 11, 2018
app pub date -
Nov 11, 2016
filing date -
Jul 5, 2016
priority date (Note) -
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Abstract
A computer implemented method and system are provided for verifying authenticity of a medical component endpoint. The method is under control of one or more computer systems configured with specific executable instructions. The method receives, at a local medical equipment (LME) node, a cipher message combination that includes a challenge and a corresponding valid response, the LME node is unable to independently calculate the valid response. The method conveys the challenge, from the LME node, to a medical component endpoint that includes an authentication circuit, receives a candidate response from the component endpoint, where the candidate response is generated by the authentication circuit based on the challenge and determines whether the candidate response matches the valid response from the corresponding cipher message combination. The method further authenticates the component endpoint based on whether the candidate and valid responses match.
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