Unlock instant, AI-driven research and patent intelligence for your innovation.

System and method for generating secret information using high-reliability physically unclonable functions

A technology of secret information and reliability, which is applied in digital transmission systems, transmission systems, secure communication devices, etc., and can solve problems such as incompatible complexity levels and adding low-code devices

Active Publication Date: 2021-01-12
SECURE IC
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] Current error correction techniques used in PUFs add a level of complexity that is incompatible with low-code devices

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • System and method for generating secret information using high-reliability physically unclonable functions
  • System and method for generating secret information using high-reliability physically unclonable functions
  • System and method for generating secret information using high-reliability physically unclonable functions

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0085] Embodiments of the present invention provide an electronic system for generating secret information comprising a physically unclonable function (PUF) circuit configured to provide a physical The difference between two values ​​of a variable, the system is configured to apply a set of challenges during the enrollment phase and measure the difference in the physical variable provided by the PUF in response to each challenge.

[0086]The system may include a helper data generator configured to generate helper data comprising a set of bits, the bits of helper data being generated in association with each applied challenge. The helper data generator may be configured to generate each helper data bit based on a physical variable difference provided by the PUF in response to application of the associated challenge.

[0087] In one embodiment, the system may include a secret generator for extracting the secret from the helper data.

[0088] In one embodiment, the system may in...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

Embodiments of the present invention provide an electronic system for generating secret information comprising a physically unclonable function (PUF) circuit configured to provide the PUF in response to a challenge applied to the PUF circuit The difference between two values ​​of a physical variable. The system is configured to apply a set of challenges during the enrollment phase and measure the difference in physical variables provided by the PUF in response to each challenge. The system also includes: - a helper data generator (2) configured to generate helper data comprising a set of bits, the bits of the helper data being generated in association with each applied challenge, the helper data The generator is configured to generate each helper data bit based on a physical variable difference provided by the PUF in response to application of the associated challenge, the system further comprising a secret information generator (3 ).

Description

technical field [0001] The present invention relates generally to the field of data and device security, and in particular to methods and devices for generating secret information from physically unclonable functions (PUFs). Background technique [0002] PUFs are increasingly used in many electronic devices that contain secret data, to enhance security and to make such devices resistant to attacks on the device. Different types of attacks can be directed externally at electronic devices in an attempt to access such data, such as side-channel attacks, electromigration (such as power consumption, electromagnetic radiation, duration of operation, etc.), imaging, fault injection, etc. [0003] PUFs are used in many applications such as identification, authentication and key generation. While there are traditional methods for securing electronic devices used to store secret bits in memory, each instance of a physically unclonable function (PUF) device has a unique and unpredicta...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/32
CPCH04L9/3278G09C1/00H04L9/0866H04L2209/12H04L9/0861
Inventor J-L·当热P·阮
Owner SECURE IC