Apple inc. (20250097018). Secure Key Exchange
Secure Key Exchange
Organization Name
Inventor(s)
Thomas P. Mensch of Sunnyvale CA US
David Tamagno of Livermore CA US
Armaiti Ardeshiricham of San Diego CA US
Wade Benson of Sunnyvale CA US
Yannick L. Sierra of San Francisco CA US
Secure Key Exchange
This abstract first appeared for US patent application 20250097018 titled 'Secure Key Exchange
Original Abstract Submitted
techniques are disclosed relating to cryptographic key exchanges. in some embodiments, a first device belonging to a first device group receives a request to perform a key exchange to establish a shared secret with a second device belonging to a second device group. the first device verifies a key authorization data structure issued by a key authority, the key authorization data structure including a first public key of a first participant authority authorized to identify members of the first device group and a second public key of a second participant authority authorized to identify members of the second device group. in response to the verifying being successful, the first device performs the requested exchange using a public key pair attested to by the first participant authority as belonging to a member in the first device group.
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