Patent ID: 11902436
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 4:
5. A system, comprising:
one or more processors; and
memory including instructions that, as a result of being executed by the one or more processors, cause the system to:
obtain a first request to use a cryptographic key to perform a first cryptographic operation, the first request from a client device that is associated with a principal of a customer of a computing resource service provider;
provide a first challenge to the client device;
obtaining, as a result of an input from the principal being obtained by the client device, a first challenge response;
determine whether the first challenge response is valid;
as a result of a determination that the first challenge response is valid and that the request complies with a usage rate limitation associated with the cryptographic key, performing the first cryptographic operation; and
provide a response to the first request.