Title:
セキュリティパラメータに基づくワーキングセキュリティキーの生成
Document Type and Number:
Japanese Patent JP6509197
Kind Code:
B2
Abstract:
Techniques for improving security of an electronics device are disclosed. In one aspect of the present disclosure, security of a device may be improved by generating a working key based on a hardware secret key and at least one security parameter of the device, e.g., with a key derivation function. The security parameter(s) may be related to software to be authenticated on the device and/or other aspects of security for the wireless device. The security parameter(s) may indicate whether the software is authorized and/or at least one operating function authorized for the software. At least one security function may be performed for the device based on the working key. For example, the working key may be used to encrypt, sign, decrypt, or verify data for the device. The working key may be used directly or indirectly by the software for the at least one security function.
Inventors:
Asafu Ashkenazi
Application Number:
JP2016510706A
Publication Date:
May 08, 2019
Filing Date:
April 16, 2014
Export Citation:
Assignee:
Qualcomm, Inc.
International Classes:
H04L9/08; G06F21/12; G06F21/60
Domestic Patent References:
| JP2008152764A | ||||
| JP2003248629A | ||||
| JP2009294859A | ||||
| JP2006092533A |
Foreign References:
| WO2011138852A1 | ||||
| US20090202069 |
Attorney, Agent or Firm:
Yasuhiko Murayama
Kuroda Shinpei
Kuroda Shinpei