RU2020106575A - Генерирование удостоверения аттестации ключа с обеспечением анонимности устройства - Google Patents

Генерирование удостоверения аттестации ключа с обеспечением анонимности устройства Download PDF

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RU2020106575A
RU2020106575A RU2020106575A RU2020106575A RU2020106575A RU 2020106575 A RU2020106575 A RU 2020106575A RU 2020106575 A RU2020106575 A RU 2020106575A RU 2020106575 A RU2020106575 A RU 2020106575A RU 2020106575 A RU2020106575 A RU 2020106575A
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computing device
attestation
public
pair
key
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Саурав СИНХА
Виктор Уоррен ХЕЛЛЕР
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МАЙКРОСОФТ ТЕКНОЛОДЖИ ЛАЙСЕНСИНГ, ЭлЭлСи
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    • 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
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/33—User authentication using certificates
    • 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
    • G06F21/72—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 in cryptographic circuits
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0407—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the identity of one or more communicating identities is hidden
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0435—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/061—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key exchange, e.g. in peer-to-peer networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
    • 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
    • H04L9/006—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving public key infrastructure [PKI] trust models
    • 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
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0825—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
    • 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
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0827—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving distinctive intermediate devices or communication paths
    • 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
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • H04L9/0897—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage involving additional devices, e.g. trusted platform module [TPM], smartcard or USB
    • 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
    • H04L9/321—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 involving a third party or a trusted authority
    • 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
    • H04L9/3263—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 involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
    • H04L9/3265—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 involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements using certificate chains, trees or paths; Hierarchical trust model
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/42—Anonymization, e.g. involving pseudonyms

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  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
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Claims (39)

1. Способ, реализуемый в службе аттестации, при этом способ содержит этапы, на которых:
принимают от первого вычислительного устройства первый запрос на сертификат аттестации для первого вычислительного устройства, причем данный запрос включает в себя информацию, описывающую аппаратные средства и/или программное обеспечение первого вычислительного устройства;
верифицируют принятую информацию;
выбирают пару асимметричных ключей из совокупности пар асимметричных ключей, причем выбранная пара ключей также выбирается для множества дополнительных вычислительных устройств;
генерируют сертификат аттестации для первого вычислительного устройства, связывающий общедоступный ключ выбранной пары ключей с сертификатом аттестации;
зашифровывают секретный ключ выбранной пары ключей для первого вычислительного устройства; и
возвращают зашифрованный секретный ключ выбранной пары ключей и сертификат аттестации на первое вычислительное устройство.
2. Способ по п.1, в котором при упомянутом шифровании секретного ключа выбранной пары ключей для первого вычислительного устройства секретный ключ выбранной пары ключей зашифровывают с использованием общедоступного ключа пары общедоступного/секретного ключей доверенного безопасного компонента первого вычислительного устройства.
3. Способ по п.1 или 2, в котором при упомянутом выборе пары асимметричных ключей пару асимметричных ключей выбирают случайным или псевдослучайным образом из упомянутой совокупности пар асимметричных ключей.
4. Способ по любому одному из пп.1–3, дополнительно содержащий этап, на котором генерируют, перед приемом первого запроса, пары асимметричных ключей в упомянутой совокупности пар асимметричных ключей.
5. Способ по любому одному из пп.1–4, дополнительно содержащий этап, на котором изменяют пары асимметричных ключей в упомянутой совокупности пар асимметричных ключей с одним или более интервалами.
6. Способ по любому одному из пп.1–5, дополнительно содержащий этапы, на которых:
принимают от второго вычислительного устройства второй запрос на сертификат аттестации для второго вычислительного устройства, причем второй запрос включает в себя информацию, описывающую аппаратные средства и/или программное обеспечение второго вычислительного устройства;
верифицируют принятую информацию, описывающую аппаратные средства и/или программное обеспечение второго вычислительного устройства;
выбирают из упомянутой совокупности пар асимметричных ключей ту же самую пару ключей, что была выбрана для первого вычислительного устройства;
генерируют сертификат аттестации для второго вычислительного устройства, связывающий общедоступный ключ выбранной пары ключей с сертификатом аттестации для второго вычислительного устройства;
зашифровывают секретный ключ выбранной пары ключей для второго вычислительного устройства; и
возвращают зашифрованный секретный ключ выбранной пары ключей и сертификат аттестации для второго вычислительного устройства на второе вычислительное устройство.
7. Способ по любому одному из пп.1–6, в котором в сертификате аттестации нет имени или идентификатора первого вычислительного устройства.
8. Способ, реализуемый в вычислительном устройстве, при этом способ содержит этапы, на которых:
отправляют в службу аттестации запрос на сертификат аттестации для вычислительного устройства, причем данный запрос включает в себя информацию, описывающую аппаратные средства и/или программное обеспечение вычислительного устройства;
принимают от службы аттестации пару общедоступного/секретного ключей и сертификат аттестации, который связывает эту пару общедоступного/секретного ключей с доверенным безопасным компонентом вычислительного устройства;
сохраняют в безопасном хранилище доверенного безопасного компонента секретный ключ пары общедоступного/секретного ключей; и
генерируют, без осуществления доступа к службе аттестации, одну или более дополнительных пар общедоступного/секретного ключей и один или более дополнительных сертификатов аттестации, причем все дополнительные сертификаты аттестации привязаны к службе аттестации.
9. Способ по п.8, в котором принятая пара общедоступного/секретного ключей представляет собой ту же самую пару общедоступного/секретного ключей, что обеспечивается службой аттестации на множество других вычислительных устройств.
10. Способ по п.8 или 9, дополнительно содержащий этап, на котором генерируют одно из одной или более дополнительных пар общедоступного/секретного ключей и одного или более дополнительных сертификатов аттестации для каждого веб–сайта, доступ к которому осуществляется веб–браузером вычислительного устройства.
11. Способ по любому одному из пп.8–10, дополнительно содержащий этап, на котором генерируют одно из одной или более дополнительных пар общедоступного/секретного ключей и одного или более дополнительных сертификатов аттестации для каждой из множества различных систем доверяющей стороны, доступ к которым осуществляется вычислительным устройством.
12. Способ по любому одному из пп.8–11, дополнительно содержащий этап, на котором расшифровывают пару общедоступного/секретного ключей, принятую от службы аттестации, с использованием секретного ключа доверенного безопасного компонента.
13. Способ по любому одному из пп.8–12, в котором доверенный безопасный компонент содержит модуль доверенной платформы.
14. Система, содержащая:
один или более процессоров; и
машиночитаемый носитель информации, на котором сохранено множество инструкций, которые при их исполнении одним или более процессорами предписывают одному или более процессорам:
принимать от первого вычислительного устройства первый запрос на сертификат аттестации для первого вычислительного устройства, причем данный запрос включает в себя информацию, описывающую аппаратные средства и/или программное обеспечение первого вычислительного устройства;
верифицировать принятую информацию;
выбирать пару асимметричных ключей из совокупности пар асимметричных ключей, причем выбранная пара асимметричных ключей также выбирается для множества дополнительных вычислительных устройств;
генерировать сертификат аттестации для первого вычислительного устройства, связывающий общедоступный ключ выбранной пары ключей с сертификатом аттестации;
зашифровывать секретный ключ выбранной пары ключей для первого вычислительного устройства; и
возвращать зашифрованный секретный ключ выбранной пары ключей и сертификат аттестации на первое вычислительное устройство.
15. Система по п.14, при этом при упомянутом шифровании секретного ключа выбранной пары ключей для первого вычислительного устройства секретный ключ выбранной пары ключей зашифровывается с использованием общедоступного ключа пары общедоступного/секретного ключей доверенного безопасного компонента первого вычислительного устройства, причем доверенный безопасный компонент содержит модуль доверенной платформы.
RU2020106575A 2017-07-13 2018-05-28 Генерирование удостоверения аттестации ключа с обеспечением анонимности устройства RU2763516C2 (ru)

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US15/649,085 2017-07-13
US15/649,085 US10819696B2 (en) 2017-07-13 2017-07-13 Key attestation statement generation providing device anonymity
PCT/US2018/034795 WO2019013886A1 (en) 2017-07-13 2018-05-28 GENERATION OF KEY CERTIFICATION DECLARATION PROVIDING DEVICE ANONYMAT

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