Abrégé

There is provided a circuit for a physical unclonable function comprising: first and second outputs; a cell comprising a plurality of CMOS devices; and a plurality of switching devices, the plurality of switching devices operable to connect a gate terminal of each of the plurality of CMOS devices to one of the first and second outputs, wherein a quantity of the plurality CMOS devices is a multiple of two, and wherein the circuit is configured such that each of the first and second output is connected to an equal quantity of the plurality of CMOS devices.

Classes IPC  ?

• H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système
• G06F 30/36 - Conception de circuits au niveau analogique
• G06F 30/373 - Optimisation de la conception
• G06F 30/38 - Conception de circuits au niveau mixte des signaux analogiques et numériques
• H03K 19/0185 - Dispositions pour le couplageDispositions pour l'interface utilisant uniquement des transistors à effet de champ
• H03K 19/0948 - Circuits logiques, c.-à-d. ayant au moins deux entrées agissant sur une sortieCircuits d'inversion utilisant des éléments spécifiés utilisant des dispositifs à semi-conducteurs utilisant des transistors à effet de champ utilisant des transistors MOSFET utilisant des dispositifs CMOS

Produits et services

Chipcards; electronic chips for the manufacture of integrated circuits; silicon chips; computer chips; semiconductors; semiconductor chips; photo-semiconductors; microchips; blank electronic chip cards; encoded electronic chip cards containing programming used to enable the chip to be used in digital security, and/or to verify the identity of the chip for use in secure digital protocols; transistors; single electron transistors; integrated circuits; Encoded smart cards containing integrated circuit chips with programming used for use in digital security, and to verify the identity of the chip for use in secure digital protocols; RFID chips; labels with integrated RFID chips; tamper evident semiconductor and computer chips; tamper resistant semiconductor and computer chips; computer chipsets for use in transmitting data to and from a central processing unit; computer chipsets for storing and retrieving secret data based on queries from a central processing unit; printed circuit boards; computer hardware for use in cryptography; computer hardware for use in cryptography key management; computer hardware for use in quantum key distribution; computer hardware for use in quantum entanglement; downloadable software for use in digital security; recorded software for use in digital security; Downloadable computer software for encryption; Downloadable computer security software for use in digital security; Downloadable computer software for use in cryptography; Downloadable computer software to provide end-to-end encryption; Downloadable computer software for secure wireless communication; Downloadable computer application software for use in digital security; Downloadable computer software for use in public key infrastructure; Downloadable identity and access management (IAM) software; Downloadable computer software for use in authentication and digital signatures; Downloadable computer software for use in cryptography key management; Downloadable computer software for use in post-quantum cryptography; Downloadable computer software for use in quantum-safe cryptography; Downloadable computer software for use in quantum key distribution; Downloadable computer software for use in quantum entanglement; Downloadable computer random number generator software; random number generator hardware; Downloadable computer software for operating quantum computers; quantum computing hardware; Downloadable computer software for commerce over a global communications network for use in digital security; Downloadable computer software for the creation, development and maintenance of blockchain and cryptocurrencies; Electronic photon detectors; single-photon emitters; smart meters; blank smart cards; Downloadable software using artificial intelligence (AI) for generating algorithms for use in digital security, for use in network traffic analysis, for cryptoanalysis, and/or for digital security analysis of software Software as a service (SAAS) services featuring software for use in digital security; Scientific and technological services, namely, research and design in the field of computer chips for digital security; Computer security services in the nature of industrial analysis and research in the field of digital security; design and development of computer hardware and software; design and development of quantum computer hardware and software

Abrégé

Methods, apparatuses, devices and computer readable media are provided in relation to device enrolment. In one example, an electronic device is provided. The electronic device comprises a security module having a physical unclonable function (PUF). The security module is configured to establish an enrolment key pair (EPK, ESK) based on a first challenge and response to the PUF, the enrolment key pair comprising an enrolment public key (EPK) and an enrolment secret key (ESK). The electronic device is configured to establish a device key pair (DPK, DSK) based on a second challenge and response to the PUF, the device key pair comprising a device public key (DPK) and a device secret key (DSK). The electronic device further comprises one or more memories having installed thereon a primary trusted root certificate. The electronic device further comprises one or more processors configured to, over a secure connection, transmit a certificate signing request (CSR) to a server for a certificate certifying that the DPK is associated with a device identifier, the CSR comprising the device identifier and the DPK, wherein the CSR is signed using the DSK and wherein the device identifier is based on a function of the EPK. The one or more processors are further configured to, over the secure connection, receive a device certificate associating the DPK with the device identifier. The one or more processors are further configured to verify that the device certificate is a descendant of the primary trusted root certificate. The one or more processors are further configured to in response to the verification, install the device certificate in memory.

Classes IPC  ?

• H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système
• H04L 9/30 - Clé publique, c.-à-d. l'algorithme de chiffrement étant impossible à inverser par ordinateur et les clés de chiffrement des utilisateurs n'exigeant pas le secret

Abrégé

Methods, apparatuses, devices and computer readable media are provided in relation to enrolment. In one example, an electronic device is provided. The electronic device comprises a security module having a physical unclonable function (PUF). The security module is configured to establish an enrolment key pair (EPK,ESK) based on a first challenge and response to the PUF, the enrolment key pair comprising an enrolment public key (EPK) and an enrolment secret key (ESK). The electronic device further comprises one or more memories. The electronic device further comprises one or more processors configured to, over a secure connection, transmit a certificate signing request (CSR) comprising a device identifier and the EPK to a server for a certificate certifying that the EPK is associated with the device identifier, wherein the CSR is signed using the ESK, and wherein the device identifier is based on a function of the EPK. The one or more processors are further configured to, over the secure connection, receive a temporary enrolment device certificate certifying that the EPK is associated with the device identifier and including a validity period. The one or more processors are further configured to install the temporary enrolment device certificate in memory.

Classes IPC  ?

• H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système
• H04L 9/14 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité utilisant plusieurs clés ou algorithmes
• H04L 9/30 - Clé publique, c.-à-d. l'algorithme de chiffrement étant impossible à inverser par ordinateur et les clés de chiffrement des utilisateurs n'exigeant pas le secret

Abrégé

Methods, apparatuses, devices and computer readable media are provided in relation to firmware encryption. In one example, a method is provided, the method for providing firmware to an electronic device. The electronic device comprises a security module having a physical unclonable function (PUF), the security module configured to establish a firmware key pair (FPK, FSK) based on a challenge and response to the PUF, the firmware key pair comprising a firmware public key (FPK) and a firmware secret key (FSK). The method comprises causing a hash of the firmware to be signed using a secret key of a key pair to obtain a signature over the hash, the key pair comprising a public key and the secret key, wherein the public key is embedded securely in the electronic device. The method further comprises encrypting the firmware and the signature over the hash using a server encryption key. The method further comprises encrypting a server decryption key using the FPK, the server decryption key for decrypting the encrypted firmware and the encrypted signature. The method further comprises communicating the encrypted firmware, the encrypted signature, and the encrypted server decryption key to a third party for installation on the electronic device.

Classes IPC  ?

• H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système
• H04L 9/30 - Clé publique, c.-à-d. l'algorithme de chiffrement étant impossible à inverser par ordinateur et les clés de chiffrement des utilisateurs n'exigeant pas le secret

Abrégé

A method is provided for determining a unique identifier of a device, the device including a quantum tunnelling barrier unique to the device. The method comprises applying a potential difference across the quantrum tunnelling barrier, the potential difference sufficient to enable tunnelling barrier. The method further comprises measuring an electrical signal, the electrical signal representative of a tunnelling current through the quantrum tunnelling barrier. The method further comprises determining, from the measured electrical signal, a unique identifier for the device. Related apparatuses, systems, computer-readable media and methods are also provided herein.

Classes IPC  ?

• H04B 10/00 - Systèmes de transmission utilisant des ondes électromagnétiques autres que les ondes hertziennes, p. ex. les infrarouges, la lumière visible ou ultraviolette, ou utilisant des radiations corpusculaires, p. ex. les communications quantiques
• G06N 10/00 - Informatique quantique, c.-à-d. traitement de l’information fondé sur des phénomènes de mécanique quantique
• H01L 23/00 - Détails de dispositifs à semi-conducteurs ou d'autres dispositifs à l'état solide
• H04B 10/07 - Dispositions pour la surveillance ou le test de systèmes de transmissionDispositions pour la mesure des défauts de systèmes de transmission
• H04L 9/08 - Répartition de clés
• H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système
• H01L 29/12 - Corps semi-conducteurs caractérisés par les matériaux dont ils sont constitués
• H01L 29/423 - Electrodes caractérisées par leur forme, leurs dimensions relatives ou leur disposition relative ne transportant pas le courant à redresser, à amplifier ou à commuter
• H01L 29/66 - Types de dispositifs semi-conducteurs
• H04J 14/00 - Systèmes multiplex optiques

Abrégé

Methods, apparatuses, devices and computer readable media are provided in relation to enrolment. In one example, an electronic device is provided. The electronic device comprises a security module having a physical unclonable function (PUF). The security module is configured to establish an enrolment key pair (EPK,ESK) based on a first challenge and response to the PUF, the enrolment key pair comprising an enrolment public key (EPK) and an enrolment secret key (ESK). The electronic device further comprises one or more memories. The electronic device further comprises one or more processors configured to, over a secure connection, transmit a certificate signing request (CSR) comprising a device identifier and the EPK to a server for a certificate certifying that the EPK is associated with the device identifier, wherein the CSR is signed using the ESK, and wherein the device identifier is based on a function of the EPK. The one or more processors are further configured to, over the secure connection, receive a temporary enrolment device certificate certifying that the EPK is associated with the device identifier and including a validity period. The one or more processors are further configured to install the temporary enrolment device certificate in memory.

Classes IPC  ?

• H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système

Abrégé

P308380WO 50 ABSTRACT SECURE ROOT-OF-TRUST ENROLMENT AND IDENTITY MANAGEMENT OF EMBEDDED DEVICES Methods, apparatuses, devices and computer readable media are provided in relation to device enrolment. In one example, an electronic device is provided. The electronic device comprises a security module having a physical unclonable function (PUF). The security module is configured to establish an enrolment key pair (EPK, ESK) based on a first challenge and response to the PUF, the enrolment key pair comprising an enrolment public key (EPK) and an enrolment secret key (ESK). The electronic device is configured to establish a device key pair (DPK, DSK) based on a second challenge and response to the PUF, the device key pair comprising a device public key (DPK) and a device secret key (DSK). The electronic device further comprises one or more memories having installed thereon a primary trusted root certificate. The electronic device further comprises one or more processors configured to, over a secure connection, transmit a certificate signing request (CSR) to a server for a certificate certifying that the DPK is associated with a device identifier, the CSR comprising the device identifier and the DPK, wherein the CSR is signed using the DSK and wherein the device identifier is based on a function of the EPK. The one or more processors are further configured to, over the secure connection, receive a device certificate associating the DPK with the device identifier. The one or more processors are further configured to verify that the device certificate is a descendant of the primary trusted root certificate. The one or more processors are further configured to in response to the verification, install the device certificate in memory. [FIGURE 10]

Classes IPC  ?

• H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système

Abrégé

Methods, apparatuses, devices and computer readable media are provided in relation to firmware encryption. In one example, a method is provided, the method for providing firmware to an electronic device. The electronic device comprises a security module having a physical unclonable function (PUF), the security module configured to establish a firmware key pair (FPK, FSK) based on a challenge and response to the PUF, the firmware key pair comprising a firmware public key (FPK) and a firmware secret key (FSK). The method comprises causing a hash of the firmware to be signed using a secret key of a key pair to obtain a signature over the hash, the key pair comprising a public key and the secret key, wherein the public key is embedded securely in the electronic device. The method further comprises encrypting the firmware and the signature over the hash using a server encryption key. The method further comprises encrypting a server decryption key using the FPK, the server decryption key for decrypting the encrypted firmware and the encrypted signature. The method further comprises communicating the encrypted firmware, the encrypted signature, and the encrypted server decryption key to a third party for installation on the electronic device.

Classes IPC  ?

• H04L 9/06 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité l'appareil de chiffrement utilisant des registres à décalage ou des mémoires pour le codage par blocs, p. ex. système DES
• H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système

Abrégé

A method is disclosed for determining an identifier value of a device, the device comprising an array of individually addressable cells, each cell comprising an electronic component having a quantum tunnelling barrier. The method comprises, for each cell of a selection of the individually addressable cells of the array, applying a potential difference across the electronic component of the cell, the potential difference sufficient to enable tunnelling of charge carriers through the quantum tunnelling barrier. The method further comprises, for each cell of a selection of the individually addressable cells of the array, comparing an electrical signal representative of a quantum tunnelling current through the quantum tunnelling barrier with a reference electrical signal. The method further comprises, for each cell of a selection of the individually addressable cells of the array determining, from the comparison, an identifier value for the cell. The method further comprises determining, from the identifier values of each cell of the selection of individually addressable cells, an identifier value for the device. Devices, apparatuses, controllers, and computer-readable media are also described.

Classes IPC  ?

• G06F 21/44 - Authentification de programme ou de dispositif
• G06N 10/00 - Informatique quantique, c.-à-d. traitement de l’information fondé sur des phénomènes de mécanique quantique
• H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système

Abrégé

A three-input fully differential amplifier (200) comprising a first input terminal (202), a second input terminal (204) and a reference input terminal (210). The three-input fully differential amplifier (200) further comprising a first output terminal (206) and a second output terminal (208). The three-input fully differential amplifier (200) further comprising a first differential amplifier (216) comprising an inverting input being connected to the first input terminal (202), a non¬ inverting input being connected to the reference input terminal (210) and a first output being connected to the first output terminal (206). The three-input fully differential amplifier (200) further comprising a second differential amplifier (226) comprising a non-inverting input being connected to the reference input terminal (210), an inverting input being connected to the second input terminal (204) and a second output being connected to the second output terminal (208).

Classes IPC  ?

• H03F 3/45 - Amplificateurs différentiels

Abrégé

A differential impedance to voltage converter (600) is described herein. Some examples describe a differential impedance to voltage converter circuit having multiple feedbacks (602, 604) and cross-coupled connections (606, 608). Some examples describe a differential impedance to voltage converter circuit having an offset storage mode and an impedance to voltage conversion mode. A system for converting impedance to voltage is also described.

Classes IPC  ?

• H03F 3/45 - Amplificateurs différentiels
• H03F 1/34 - Circuits à contre-réaction avec ou sans réaction
• G01R 1/30 - Combinaison structurelle d'appareils de mesures électriques avec des circuits électroniques fondamentaux, p. ex. avec amplificateur

Abrégé

Electronic circuitry for converting a impedance to a voltage is described herein. Some examples describe an impedance to voltage converter circuit (300) having input offset storage (306). Some examples describe a differential impedance to voltage converter circuit having input offset storage. Some examples describe a differential impedance to voltage converter circuit having both input offset storage and bootstrapping. A system for converting an impedance to a voltage is also described.

Classes IPC  ?

• H03F 3/45 - Amplificateurs différentiels
• H03F 1/08 - Modifications des amplificateurs pour réduire l'influence défavorable de l'impédance interne des éléments amplificateurs
• G01R 19/00 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe

Produits et services

Chipcards; electronic chips; silicon chips; computer chips; silicon chips printed with circuits for use in security and identity verification; semiconductors; semiconductor chips; photo-semiconductors; microchips; electronic chip cards; transistors; single electron transistors; integrated circuits; integrated circuit chips; blank electronic chip cards; RFID chips; labels with integrated RFID chips; tamper evident chips; tamper-resistant chips; computer chipsets for use in transmitting data to and from a central processing unit; computer chipsets for storing and retrieving secret data based on queries from a central processing unit; printed circuit boards; computer hardware for use in cryptography; computer hardware for use in cryptography key management; computer hardware for use in quantum key distribution; computer hardware for use in quantum entanglement; downloadable software; pre-recorded software; encryption software; security software; software for use in cryptography; software to provide end-to-end encryption; software for secure wireless communication; application software; software for use in public key infrastructure; software for use in identity and access management; software for use in authentication and digital signatures; software for use in cryptography key management; software for use in post-quantum cryptography; software for use in quantum-safe cryptography; software for use in quantum key distribution; software for use in quantum entanglement; random number generator software; random number generator hardware; quantum computing software; quantum computing hardware; software for commerce over a global communications network; software for the creation, development and maintenance of blockchain and cryptocurrencies; photon detectors; single-photon emitters; smart meters; smart cards; data processing apparatus with artificial intelligence. Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; design and development of quantum computer hardware and software; software as a service; software installation services; information, advisory and consultancy services relating to all of the aforesaid. Licensing to others of intellectual property rights in the design of circuits printed onto silicon chips and computer chips for use in security and identity verification.

Produits et services

Chipcards; electronic chips; silicon chips; computer chips; silicon chips printed with circuits for use in security and identity verification; semiconductors; semiconductor chips; photo-semiconductors; microchips; electronic chip cards; transistors; single electron transistors; integrated circuits; integrated circuit chips; blank electronic chip cards; RFID chips; labels with integrated RFID chips; tamper evident chips; tamper-resistant chips; computer chipsets for use in transmitting data to and from a central processing unit; computer chipsets for storing and retrieving secret data based on queries from a central processing unit; printed circuit boards; computer hardware for use in cryptography; computer hardware for use in cryptography key management; computer hardware for use in quantum key distribution; computer hardware for use in quantum entanglement; random number generator hardware; quantum computing hardware; photon detectors; single-photon emitters; smart meters; smart cards; data processing apparatus with artificial intelligence. Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; design and development of quantum computer hardware and software; software as a service; software installation services; information, advisory and consultancy services relating to all of the aforesaid. Licensing to others of intellectual property rights in the design of circuits printed onto silicon chips and computer chips for use in security and identity verification.

Produits et services

Encryption software; security software; software for use in cryptography; software to provide end-to-end encryption; software for secure wireless communication; software for use in public key infrastructure; software for use in identity and access management; software for use in authentication and digital signatures; software for use in cryptography key management; software for use in post-quantum cryptography; software for use in quantum-safe cryptography; software for use in quantum key distribution; software for use in quantum entanglement; random number generator software; quantum computing software; software for the creation, development and maintenance of blockchain and cryptocurrencies. Software as a service in the fields of security, cryptography, for use in cryptography key management, for use in post-quantum cryptography, for use in quantum-safe cryptography, for use in quantum key distribution, for use in quantum entanglement, for random number generation, for quantum computing software, for the creation, development and maintenance of blockchain and cryptocurrencies, to provide end-to-end encryption, for secure wireless communication, for use in public key infrastructure, for use in identity and access management, and for use in authentication and digital signatures; design and development of computer software for use in the fields of security, cryptography, to provide end-to-end encryption, for secure wireless communication, for use in public key infrastructure, for use in identity and access management, for use in authentication and digital signatures, for use in cryptography key management, for use in post-quantum cryptography, for use in quantum-safe cryptography, for use in quantum key distribution, for use in quantum entanglement, for random number generation, for quantum computing software, for the creation, development and maintenance of blockchain and cryptocurrencies.

Produits et services

Downloadable software for ensuring the security of IoT technologies; Downloadable software for secure wireless communication; Downloadable software for use in post-quantum cryptography; Downloadable software for use in quantum-safe cryptography; Downloadable software for use in quantum key distribution; Downloadable software for use in quantum entanglement; Downloadable quantum computing software Software as a service (SAAS) services featuring software for use in the fields of post-quantum cryptography, quantum-safe cryptography, quantum key distribution, quantum entanglement, quantum computing, and for secure wireless communication; design and development of computer software for use in the fields of post-quantum cryptography, for use in quantum-safe cryptography, for use in quantum key distribution, for use in quantum entanglement, for quantum computing, and for secure wireless communication

Produits et services

Chipcards; encoded electronic chip cards containing security software; silicon chips; computer chips; silicon chips printed with circuits for use in security and identity verification; semiconductors; semiconductor chips; photo-semiconductors; microchips; blank electronic chip cards; transistors; single electron transistors; integrated circuits; integrated circuit chips for use in digital security andto verify the identity of the chip for use in secure digital protocols; blank electronic chip cards; radio frequency identification (RFID) chips being microchips; labels with integrated RFID chips; tamper evident computer chips; tamper-resistant computer chips; computer chipsets for use in transmitting data to and from a central processing unit; computer chipsets for storing and retrieving secret data based on queries from a central processing unit; printed circuit boards; computer hardware for use in cryptography; computer hardware for use in cryptography key management; computer hardware for use in quantum key distribution; computer hardware for use in quantum entanglement; computer hardware for generating random numbers; computer hardware for quantum computing; smart meters, namely, gas, water and electricity smart meters; blank smart cards; data processing apparatus with artificial intelligence Scientific and technological services, namely, research and design in the field of digital security and research and design of chips for digital security; industrial analysis and research services in the field of digital security; research services in the field of information and telecommunications technology; design and development of computer hardware and software; design and development of quantum computing computer hardware and software; software as a service (SAAS) services featuring software for digital security; installation of digital security software; information, advisory and consultancy services relating to digital security Licensing to others of intellectual property rights in the design of circuits printed onto silicon chips and computer chips for use in security and identity verification

Abrégé

A method is disclosed for determining an identifier value of a device, the device comprising an array of individually addressable cells, each cell comprising an electronic component having a quantum tunnelling barrier. The method comprises, for each cell of a selection of the individually addressable cells of the array, applying a potential difference across the electronic component of the cell, the potential difference sufficient to enable tunnelling of charge carriers through the quantum tunnelling barrier. The method further comprises, for each cell of a selection of the individually addressable cells of the array, comparing an electrical signal representative of a quantum tunnelling current through the quantum tunnelling barrier with a reference electrical signal. The method further comprises, for each cell of a selection of the individually addressable cells of the array determining, from the comparison, an identifier value for the cell. The method further comprises determining, from the identifier values of each cell of the selection of individually addressable cells, an identifier value for the device. Devices, apparatuses, controllers, and computer-readable media are also described.

Classes IPC  ?

• H04L 9/08 - Répartition de clés
• G09C 1/00 - Appareils ou méthodes au moyen desquels une suite donnée de signes, p. ex. un texte intelligible, est transformée en une suite de signes inintelligibles en transposant les signes ou groupes de signes ou en les remplaçant par d'autres suivant un système préétabli
• H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système
• H03K 17/06 - Modifications pour assurer un état complètement conducteur

Abrégé

A method is provided for determining a unique identifier of a device, the device including a quantum tunnelling barrier unique to the device. The method comprises applying a potential difference across the quantum tunnelling barrier, the potential difference sufficient to enable tunnelling of charge carriers through the quantum tunnelling barrier. The method further comprises measuring an electrical signal, the electrical signal representative of a tunnelling current through the quantum tunnelling barrier, the tunnelling current characteristic of the quantum tunnelling barrier. The method further comprises determining, from the measured electrical signal, a unique identifier for the device. Related apparatuses, systems, computer-readable media and methods are also provided herein.

Classes IPC  ?

• H04B 10/00 - Systèmes de transmission utilisant des ondes électromagnétiques autres que les ondes hertziennes, p. ex. les infrarouges, la lumière visible ou ultraviolette, ou utilisant des radiations corpusculaires, p. ex. les communications quantiques
• G06N 10/00 - Informatique quantique, c.-à-d. traitement de l’information fondé sur des phénomènes de mécanique quantique
• H04L 9/08 - Répartition de clés
• H01L 23/00 - Détails de dispositifs à semi-conducteurs ou d'autres dispositifs à l'état solide
• H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système
• H04B 10/07 - Dispositions pour la surveillance ou le test de systèmes de transmissionDispositions pour la mesure des défauts de systèmes de transmission
• H01L 29/12 - Corps semi-conducteurs caractérisés par les matériaux dont ils sont constitués
• H01L 29/423 - Electrodes caractérisées par leur forme, leurs dimensions relatives ou leur disposition relative ne transportant pas le courant à redresser, à amplifier ou à commuter
• H01L 29/66 - Types de dispositifs semi-conducteurs

Abrégé

Electronic / electrical switching circuits are described, the electronic switching circuits for controlling the flow of a current between a first terminal and a second terminal. A switching circuit comprises the first terminal. The switching circuit further comprises the second terminal. The switching circuit further comprises a third terminal at substantially the same potential as the second terminal. The switching circuit further comprises a first switching element connected between the first terminal and the second terminal. The switching circuit further comprises a second switching element connected between the first terminal and the third terminal. The switching circuit further comprises a control terminal electronically coupled to the first switching element and the second switching element, the control terminal for coupling to a control potential to switch the electronic switching circuit between a first mode and a second mode. In the first mode, the first switching element is configured to enable current flow between the first terminal and the second terminal. In the first mode, the second switching element is configured to impede current flow between the first terminal and the third terminal. In the second mode, the first switching element is configured to impede current flow between the first terminal and the second terminal. In the second mode, the second switching element is configured to enable current flow between the first terminal and the third terminal.Devices including such switching circuits, methods of operating such switching circuits, and computer-readable media are also described.

Classes IPC  ?

• H03K 17/06 - Modifications pour assurer un état complètement conducteur
• H03K 17/58 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des diodes tunnel

Abrégé

A method is provided for determining a unique identifier of a device, the device including a quantum tunnelling barrier unique to the device.The method comprises applying a potential difference across the quantum tunnelling barrier, the potential difference sufficient to enable tunnelling of charge carriers through the quantum tunnelling barrier. The method further comprises measuring an electrical signal, the electrical signal representative of a tunnelling current through the quantum tunnelling barrier, the tunnelling current characteristic of the quantum tunnelling barrier. The method further comprises determining, from the measured electrical signal, a unique identifier for the device.Related apparatuses, systems, computer-readable media and methods are also provided herein.

Classes IPC  ?

• H04L 9/08 - Répartition de clés
• G06F 7/58 - Générateurs de nombres aléatoires ou pseudo-aléatoires
• G06N 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
• H01L 33/06 - DISPOSITIFS À SEMI-CONDUCTEURS NON COUVERTS PAR LA CLASSE - Détails caractérisés par les corps semi-conducteurs ayant une structure à effet quantique ou un superréseau, p.ex. jonction tunnel au sein de la région électroluminescente, p.ex. structure de confinement quantique ou barrière tunnel
• H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système
• G09C 1/00 - Appareils ou méthodes au moyen desquels une suite donnée de signes, p. ex. un texte intelligible, est transformée en une suite de signes inintelligibles en transposant les signes ou groupes de signes ou en les remplaçant par d'autres suivant un système préétabli

Produits et services

Chipcards; electronic chips for the manufacture of integrated circuits; silicon chips; computer chips; semiconductors; semiconductor chips; photo-semiconductors; microchips; blank electronic chip cards; encoded electronic chip cards containing programming used to enable the chip to be used in digital security, and/or to verify the identity of the chip for use in secure digital protocols; transistors; single electron transistors; integrated circuits; integrated circuit chips for use in digital security, and/or to verify the identity of the chip for use in secure digital protocols; blank electronic chip cards; RFID chips; labels with integrated RFID chips; tamper evident semiconductor and computer chips; tamper resistant semiconductor and computer chips; computer chipsets for use in transmitting data to and from a central processing unit; computer chipsets for storing and retrieving secret data based on queries from a central processing unit; printed circuit boards; computer hardware for use in cryptography; computer hardware for use in cryptography key management; computer hardware for use in quantum key distribution; computer hardware for use in quantum entanglement; downloadable software for use in digital security; pre-recorded software for use in digital security; encryption software; security software for use in digital security; software for use in cryptography; software to provide end-to-end encryption; software for secure wireless communication; application software for use in digital security; software for use in public key infrastructure; software for use in identity and access management; software for use in authentication and digital signatures; software for use in cryptography key management; software for use in post-quantum cryptography; software for use in quantum-safe cryptography; software for use in quantum key distribution; software for use in quantum entanglement; random number generator software; random number generator hardware; quantum computing software; quantum computing hardware; software for commerce over a global communications network for use in digital security; software for the creation, development and maintenance of blockchain and cryptocurrencies; photon detectors; single-photon emitters; smart meters; blank smart cards; artificial intelligence apparatus for generating algorithms for use in digital security, for use in network traffic analysis, for cryptoanalysis, and/or for digital security analysis of software Software as a service featuring software for digital security; scientific and technological services in the field of digital security and research and design relating thereto, namely, research into and design of chips for digital security; industrial analysis and research services in the field of digital security; design and development of computer hardware and software; design and development of quantum computer hardware and software

Produits et services

Chipcards; electronic chips; silicon chips; computer chips; semiconductors; semiconductor chips; photo-semiconductors; microchips; electronic chip cards; transistors; single electron transistors; integrated circuits; integrated circuit chips; blank electronic chip cards; RFID chips; labels with integrated RFID chips; tamper evident chips; tamper resistant chips; computer chipsets for use in transmitting data to and from a central processing unit; computer chipsets for storing and retrieving secret data based on queries from a central processing unit; printed circuit boards; computer hardware for use in cryptography; computer hardware for use in cryptography key management; computer hardware for use in quantum key distribution; computer hardware for use in quantum entanglement; downloadable software; pre-recorded software; encryption software; security software; software for use in cryptography; software to provide end-to-end encryption; software for secure wireless communication; application software; software for use in public key infrastructure; software for use in identity and access management; software for use in authentication and digital signatures; software for use in cryptography key management; software for use in post-quantum cryptography; software for use in quantum-safe cryptography; software for use in quantum key distribution; software for use in quantum entanglement; random number generator software; random number generator hardware; quantum computing software; quantum computing hardware; software for commerce over a global communications network; software for the creation, development and maintenance of blockchain and cryptocurrencies; photon detectors; single-photon emitters; smart meters; smart cards; artificial intelligence apparatus. Software as a service; scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; design and development of quantum computer hardware and software.