EP4025927A4 - A sensor array for reading a magnetic puf - Google Patents

A sensor array for reading a magnetic puf Download PDF

Info

Publication number
EP4025927A4
EP4025927A4 EP20860109.6A EP20860109A EP4025927A4 EP 4025927 A4 EP4025927 A4 EP 4025927A4 EP 20860109 A EP20860109 A EP 20860109A EP 4025927 A4 EP4025927 A4 EP 4025927A4
Authority
EP
European Patent Office
Prior art keywords
reading
sensor array
magnetic puf
puf
magnetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20860109.6A
Other languages
German (de)
French (fr)
Other versions
EP4025927A2 (en
Inventor
James Howard ELLIS, Jr.
Keith Bryan Hardin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lexmark International Inc
Original Assignee
Lexmark International Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lexmark International Inc filed Critical Lexmark International Inc
Priority claimed from PCT/US2020/049407 external-priority patent/WO2021046351A2/en
Publication of EP4025927A2 publication Critical patent/EP4025927A2/en
Publication of EP4025927A4 publication Critical patent/EP4025927A4/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/75—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by inhibiting the analysis of circuitry or operation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0052—Manufacturing aspects; Manufacturing of single devices, i.e. of semiconductor magnetic sensor chips
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/007—Environmental aspects, e.g. temperature variations, radiation, stray fields
    • G01R33/0082—Compensation, e.g. compensating for temperature changes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0094—Sensor arrays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/0206—Three-component magnetometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/07—Hall effect devices
    • G01R33/072—Constructional adaptation of the sensor to specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/10—Plotting field distribution ; Measuring field distribution
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
    • G06F21/57—Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/73—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by creating or determining hardware identification, e.g. serial numbers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/80—Recognising image objects characterised by unique random patterns
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0866—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving user or device identifiers, e.g. serial number, physical or biometrical information, DNA, hand-signature or measurable physical characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3271—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using challenge-response
    • H04L9/3278—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using challenge-response using physically unclonable functions [PUF]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
    • G01R33/1276—Measuring magnetic properties of articles or specimens of solids or fluids of magnetic particles, e.g. imaging of magnetic nanoparticles
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/22—Matching criteria, e.g. proximity measures

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Toxicology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Measuring Magnetic Variables (AREA)
EP20860109.6A 2019-09-06 2020-09-04 A sensor array for reading a magnetic puf Pending EP4025927A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962896883P 2019-09-06 2019-09-06
US201962942364P 2019-12-02 2019-12-02
PCT/US2020/049407 WO2021046351A2 (en) 2019-09-06 2020-09-04 A sensor array for reading a magnetic puf

Publications (2)

Publication Number Publication Date
EP4025927A2 EP4025927A2 (en) 2022-07-13
EP4025927A4 true EP4025927A4 (en) 2023-09-20

Family

ID=81044113

Family Applications (3)

Application Number Title Priority Date Filing Date
EP20860109.6A Pending EP4025927A4 (en) 2019-09-06 2020-09-04 A sensor array for reading a magnetic puf
EP20861493.3A Pending EP4025919A4 (en) 2019-09-06 2020-09-04 A sensor array for reading a magnetic puf
EP20866899.6A Pending EP4025926A4 (en) 2019-09-06 2020-09-04 A sensor array for reading a magnetic puf

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP20861493.3A Pending EP4025919A4 (en) 2019-09-06 2020-09-04 A sensor array for reading a magnetic puf
EP20866899.6A Pending EP4025926A4 (en) 2019-09-06 2020-09-04 A sensor array for reading a magnetic puf

Country Status (2)

Country Link
EP (3) EP4025927A4 (en)
CN (3) CN114364991A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130249542A1 (en) * 2012-03-21 2013-09-26 Yang Zhao Foldable substrate
US8750961B1 (en) * 2013-03-07 2014-06-10 Medtronic, Inc. Implantable medical device having a multi-axis magnetic sensor
US20160370441A1 (en) * 2013-03-12 2016-12-22 Innovaura Corporation Magnetic field imaging system
EP3246722A1 (en) * 2016-05-20 2017-11-22 Fundación IMDEA Nanociencia Systems and methods for obtaining unique identifiers and measuring displacements by sensing and analizing spatial magnetic field variations
US20180100902A1 (en) * 2014-11-03 2018-04-12 Melexis Technologies Nv Magnetic field sensor and method for making same
DE102017125732A1 (en) * 2016-11-04 2018-05-09 Analog Devices Global Unlimited Company Multidimensional measurement using magnetic sensors and related systems, methods and integrated circuits
DE102017223501A1 (en) * 2017-12-21 2019-06-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and device for detecting defects in electrical components or assemblies

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2955942B1 (en) * 2010-01-29 2013-01-04 Centre Nat Rech Scient INTEGRATED MAGNETOMETER AND METHOD FOR MANUFACTURING THE SAME
DE112013004975T5 (en) * 2012-10-12 2015-08-13 Memsic Inc. Monolithic three-axis magnetic field sensor
CN108535669A (en) * 2018-06-12 2018-09-14 福州大学 Hall device and its imbalance removing method applied to three-dimensional Hall sensor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130249542A1 (en) * 2012-03-21 2013-09-26 Yang Zhao Foldable substrate
US8750961B1 (en) * 2013-03-07 2014-06-10 Medtronic, Inc. Implantable medical device having a multi-axis magnetic sensor
US20160370441A1 (en) * 2013-03-12 2016-12-22 Innovaura Corporation Magnetic field imaging system
US20180100902A1 (en) * 2014-11-03 2018-04-12 Melexis Technologies Nv Magnetic field sensor and method for making same
EP3246722A1 (en) * 2016-05-20 2017-11-22 Fundación IMDEA Nanociencia Systems and methods for obtaining unique identifiers and measuring displacements by sensing and analizing spatial magnetic field variations
DE102017125732A1 (en) * 2016-11-04 2018-05-09 Analog Devices Global Unlimited Company Multidimensional measurement using magnetic sensors and related systems, methods and integrated circuits
DE102017223501A1 (en) * 2017-12-21 2019-06-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and device for detecting defects in electrical components or assemblies

Also Published As

Publication number Publication date
CN114364991A (en) 2022-04-15
CN114341660A (en) 2022-04-12
EP4025926A4 (en) 2023-11-08
EP4025926A2 (en) 2022-07-13
EP4025919A4 (en) 2023-11-01
CN114341659A (en) 2022-04-12
EP4025919A2 (en) 2022-07-13
EP4025927A2 (en) 2022-07-13

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