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Apparatus and method for encapsulation of profile certificate private keys or other data

A technology for private keys and data, applied in the field of encapsulated devices, can solve problems such as difficulty in storing multiple profiles

Inactive Publication Date: 2020-04-10
HONEYWELL INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While these profiles are often highly sensitive, it can be difficult to securely store multiple profiles in one device

Method used

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  • Apparatus and method for encapsulation of profile certificate private keys or other data
  • Apparatus and method for encapsulation of profile certificate private keys or other data
  • Apparatus and method for encapsulation of profile certificate private keys or other data

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Embodiment Construction

[0015] discussed below Figure 1 to Figure 7 The various embodiments used to describe the principles of the invention in this patent document are by way of illustration only and should not be construed in any way as limiting the scope of the invention. Those skilled in the art will understand that the principles of the invention may be implemented in any type of suitably arranged device or system.

[0016] As mentioned above, devices routinely need to store sensitive data in a secure manner, such as the profiles used by the device to access different remote services. Some conventional devices have incorporated cryptographic circuitry that can securely store private cryptographic keys or other data. However, cryptographic chips generally include a very limited amount of internal memory to store data. This limits the number or types of cryptographic keys that can be stored in a cryptographic chip. This can be a problem in many situations, such as when a device needs to store ...

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PUM

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Abstract

A method includes generating (412, 610) a first encryption key based on a first cryptographic operation (408, 606) performed by cryptographic circuitry (214) and involving a cryptographic key (302) securely stored in a memory (218) of the cryptographic circuitry. The method also includes encrypting (416, 614) data to be protected using the first encryption key and storing (420, 618) the encrypteddata on a persistent storage device (212) external to the cryptographic circuitry. The method could also include retrieving (502, 702) the encrypted data from the persistent storage device. The methodcould further include generating (508, 708) a second encryption key based on a second cryptographic operation (504, 704) performed by the cryptographic circuitry and involving the cryptographic key,where the second encryption key matches the first encryption key. In addition, the method could include decrypting (510, 710) the encrypted data using the second encryption key.

Description

technical field [0001] This disclosure relates generally to computing and networking security. More specifically, the present disclosure relates to apparatus and methods for encapsulation of profile certificate private keys or other data. Background technique [0002] It is becoming increasingly common for computing devices and other devices to communicate with multiple remote services over public or private networks. An example of this trend can be seen in so-called Internet of Things ("IoT") devices, which generally refer to physical devices such as appliances, vehicles, construction equipment, and other components that are networked to exchange data. Industrial Internet of Things (“IIoT”) devices are IoT devices such as sensors, actuators, controllers, and other devices in industrial process control and automation systems that are used to enable large and complex Industrial process automation. [0003] IoT or other devices are often required to present security credent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08H04L9/32
CPCH04L63/0442H04L63/0823H04L63/0435H04L63/061H04L63/0869H04L9/0844H04L63/0853H04L63/102
Inventor 卢卡斯·波汉卡米查尔·霍基斯克吉里·巴桑特
Owner HONEYWELL INT INC