公开(公告)号：US11689363B2

公开(公告)日：2023-06-27

申请号：US17304020

申请日：2021-06-14

Applicant: NXP B.V.

Inventor： Sujash Sen Gupta ,  Venkatesh H Nayak G ,  Hugues Jean Marie de Perthuis

IPC: H04L9/08

CPC classification number: H04L9/088 ,  H04L9/0861

Abstract: In accordance with a first aspect of the present disclosure, a method is conceived for setting permissions for cryptographic keys in a cryptographic processing system, comprising: generating at least one cryptographic key to be protected; assigning one or more configurable properties to said cryptographic key; wherein the configurable properties define at least one of a permission of performing a first set of predefined operations on the cryptographic key and a permission of using the cryptographic key for performing a second set of predefined operations. In accordance with a second aspect of the present disclosure, a corresponding computer program is provided. In accordance with a third aspect of the present disclosure, a corresponding cryptographic processing system is provided.

公开(公告)号：US20210399880A1

公开(公告)日：2021-12-23

申请号：US17304020

申请日：2021-06-14

Applicant: NXP B.V.

Inventor： Sujash Sen Gupta ,  Venkatesh H Nayak G ,  Hugues Jean Marie de Perthuis

IPC: H04L9/08

Abstract: In accordance with a first aspect of the present disclosure, a method is conceived for setting permissions for cryptographic keys in a cryptographic processing system, comprising: generating at least one cryptographic key to be protected; assigning one or more configurable properties to said cryptographic key; wherein the configurable properties define at least one of a permission of performing a first set of predefined operations on the cryptographic key and a permission of using the cryptographic key for performing a second set of predefined operations. In accordance with a second aspect of the present disclosure, a corresponding computer program is provided. In accordance with a third aspect of the present disclosure, a corresponding cryptographic processing system is provided.