Multi-destination challenge-response security tokens

    公开(公告)号:US12231585B2

    公开(公告)日:2025-02-18

    申请号:US17745906

    申请日:2022-05-17

    Abstract: In one embodiment, a secure challenge-response method includes requesting respective token challenges from devices, receiving the respective token challenges from the devices, providing the respective token challenges to a signing server, receiving from the signing server a signature of the respective token challenges signed with a private key of the signing server, and providing to a given device of the devices a request to perform an operation, the request including the signature and the respective token challenges.

    Device control transfer
    4.
    发明公开

    公开(公告)号:US20240205021A1

    公开(公告)日:2024-06-20

    申请号:US18497000

    申请日:2023-10-30

    CPC classification number: H04L9/3247 H04L9/0825 H04L9/3263

    Abstract: In one embodiment, a device includes a memory to store a first public key indicating security ownership of the device by a first owner, an interface to receive a signature of an intermediate public key signed by a first owner signing service with a first private key, and processing circuitry to load the intermediate public key in the memory, responsively to authenticating the signature, and remove the first public key from the memory, and wherein the interface is to receive a second public key and a signature of the second public key signed by a second owner signing service with an intermediate private key, the processing circuitry is to load a second public key in the memory indicating ownership has been transferred to the second owner responsively to authenticating the signature of the second public key with the intermediate public key, and remove the intermediate public key from the memory.

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