View source for Meta platforms technologies, llc (20240095376). HELPER DATA INTEGRITY CHECK AND TAMPER DETECTION USING SRAM-BASED PHYSICALLY UNCLONABLE FUNCTION simplified abstract

=HELPER DATA INTEGRITY CHECK AND TAMPER DETECTION USING SRAM-BASED PHYSICALLY UNCLONABLE FUNCTION=


==Organization Name==

[[:Category:meta platforms technologies, llc|meta platforms technologies, llc]]


[[Category:meta platforms technologies, llc]]

==Inventor(s)==

[[:Category:Sudhir Satpathy of Redmond WA (US)|Sudhir Satpathy of Redmond WA (US)]][[Category:Sudhir Satpathy of Redmond WA (US)]]

[[:Category:Renji George Thomas of Hillsboro OR (US)|Renji George Thomas of Hillsboro OR (US)]][[Category:Renji George Thomas of Hillsboro OR (US)]]

[[:Category:Shrirang Madhav Yardi of San Jose CA (US)|Shrirang Madhav Yardi of San Jose CA (US)]][[Category:Shrirang Madhav Yardi of San Jose CA (US)]]

==HELPER DATA INTEGRITY CHECK AND TAMPER DETECTION USING SRAM-BASED PHYSICALLY UNCLONABLE FUNCTION - A simplified explanation of the abstract==


This abstract first appeared for US patent application 20240095376 titled 'HELPER DATA INTEGRITY CHECK AND TAMPER DETECTION USING SRAM-BASED PHYSICALLY UNCLONABLE FUNCTION

==Simplified Explanation==

The abstract describes a method for using a physically unclonable function (PUF) array from a static random-access memory (SRAM) device to generate a cryptographic key, with the ability to detect alterations to helper data associated with the PUF array and disable access to protected data if tampering is detected.

* Identifying a PUF array from an SRAM device of a system-on-a-chip (SoC)
* Reading helper data from memory associated with the PUF array for generating a cryptographic key
* Determining if the helper data has been altered after initial generation
* Disabling access to protected data if alterations to the helper data are detected

== Potential Applications ==
The technology described in this patent application could be applied in various industries and scenarios, including:
* Secure data storage
* Authentication systems
* Anti-counterfeiting measures

== Problems Solved ==
This technology addresses several key issues, such as:
* Ensuring the integrity of cryptographic keys
* Detecting and preventing unauthorized access to protected data
* Enhancing security measures in SoC devices

== Benefits ==
The benefits of this technology include:
* Improved data security
* Enhanced protection against tampering and unauthorized access
* Increased trust in the integrity of cryptographic systems

== Potential Commercial Applications ==
The technology could be valuable in commercial applications such as:
* Secure IoT devices
* Payment processing systems
* Biometric authentication devices

== Possible Prior Art ==
One potential prior art in this field is the use of PUFs for generating unique identifiers and cryptographic keys in hardware security applications. Additionally, techniques for detecting tampering or alterations to cryptographic key generation processes may also exist in prior art.

=== Unanswered Questions ===

=== How does this technology compare to traditional cryptographic key generation methods? ===
This article does not provide a direct comparison between the proposed technology and traditional cryptographic key generation methods. It would be interesting to know the efficiency, security, and reliability differences between the two approaches.

=== What are the potential limitations or vulnerabilities of using PUF arrays for cryptographic key generation? ===
The article does not delve into the potential weaknesses or vulnerabilities of using PUF arrays for cryptographic key generation. Understanding the limitations of this technology is crucial for assessing its overall security and reliability.


==Original Abstract Submitted==

an example method includes identifying, by processing circuitry, a physically unclonable function (puf) array selected from a static random-access memory (sram) device of a system-on-a-chip (soc); reading, by the processing circuitry, from a memory, helper data associated with the puf array and usable for generating a cryptographic key based on the puf array; determining, by the processing circuitry, whether the helper data associated with the puf array has been altered after its initial generation by a test system; and in response to determining that the helper data associated with the puf array has been altered, disabling access to data, software, or functions protected by the cryptographic key generated based on the puf array.



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