Patent ID: 11926284
Assignee: KABUSHIKI KAISHA TOSHIBA
Field: Digital communication (Electrical engineering)
Classification: CPC B  G  H | IPC B  G  H

Claim 0:
1. A method for controlling access to a resource, the method performed by a system comprising a first component, a second component and a third component, wherein:
the first component comprises a first cryptographic key;
the second component comprises a second cryptographic key; and
the method comprises:
transmitting, by the third component, a signal;
generating, by the first component, a first channel observation;
generating, by the second component, a second channel observation;
generating, by the second component, a first data value based on the second channel observation and the second cryptographic key;
transmitting, by the second component, to the first component, the second channel observation and the first data value;
verifying the second component, by the first component, based on the second channel observation, the first cryptographic key and the first data value; and
allowing access to the resource in response to determining that the second component is: 1) permitted to gain access to the resource; and 2) located proximate to the first component.