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

Claim 14:
15. The non-transitory computer-readable storage medium of claim 13, wherein the instructions further cause the computer system to:
as a result of obtaining the request, obtain one or more grants associated with the request, the one or more grants specifying the usage rate limitation for the cryptographic key; and wherein:
the challenge is generated as a result of a determination that the principal is subject to the usage rate limitation for the cryptographic key;
the challenge includes one or more other cryptographic operations to be performed by the client device to compute a value;
the challenge response is determined to be valid at least in part by comparing the computed value with an expected value;
the cryptographic operation is performed to obtain output data; and
the output data is provided to the client device through the response.