EP4042630A4 - Executing entity-specific cryptographic code in a cryptographic coprocessor - Google Patents

Executing entity-specific cryptographic code in a cryptographic coprocessor Download PDF

Info

Publication number
EP4042630A4
EP4042630A4 EP20874322.9A EP20874322A EP4042630A4 EP 4042630 A4 EP4042630 A4 EP 4042630A4 EP 20874322 A EP20874322 A EP 20874322A EP 4042630 A4 EP4042630 A4 EP 4042630A4
Authority
EP
European Patent Office
Prior art keywords
cryptographic
coprocessor
executing entity
code
specific
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
EP20874322.9A
Other languages
German (de)
French (fr)
Other versions
EP4042630A1 (en
Inventor
Wael Ibrahim
Manish DELIWALA
Manik BISWAS
Subrahmanyam VISHNUVAJHALA
Andrew Lei
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.)
American Express Travel Related Services Co Inc
Original Assignee
American Express Travel Related Services Co 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
Priority claimed from US16/669,002 external-priority patent/US20210111901A1/en
Priority claimed from US16/668,973 external-priority patent/US11341280B2/en
Application filed by American Express Travel Related Services Co Inc filed Critical American Express Travel Related Services Co Inc
Publication of EP4042630A1 publication Critical patent/EP4042630A1/en
Publication of EP4042630A4 publication Critical patent/EP4042630A4/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services
    • 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
    • G06F21/60—Protecting data
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
    • 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
    • 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
    • H04L63/12—Applying verification of the received information
    • H04L63/126—Applying verification of the received information the source of the received data
    • 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
    • H04L9/3234—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 additional secure or trusted devices, e.g. TPM, smartcard, USB or software token
    • 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
    • H04L9/3247—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 digital signatures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/02—Payment architectures, schemes or protocols involving a neutral party, e.g. certification authority, notary or trusted third party [TTP]
    • 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
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
EP20874322.9A 2019-10-11 2020-09-30 Executing entity-specific cryptographic code in a cryptographic coprocessor Pending EP4042630A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962914272P 2019-10-11 2019-10-11
US201962914275P 2019-10-11 2019-10-11
US16/669,002 US20210111901A1 (en) 2019-10-11 2019-10-30 Executing entity-specific cryptographic code in a trusted execution environment
US16/668,973 US11341280B2 (en) 2019-10-11 2019-10-30 Executing entity-specific cryptographic code in a cryptographic coprocessor
PCT/US2020/053520 WO2021071719A1 (en) 2019-10-11 2020-09-30 Executing entity-specific cryptographic code in a cryptographic coprocessor

Publications (2)

Publication Number Publication Date
EP4042630A1 EP4042630A1 (en) 2022-08-17
EP4042630A4 true EP4042630A4 (en) 2023-10-11

Family

ID=75437590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20874322.9A Pending EP4042630A4 (en) 2019-10-11 2020-09-30 Executing entity-specific cryptographic code in a cryptographic coprocessor

Country Status (5)

Country Link
EP (1) EP4042630A4 (en)
JP (1) JP7385025B2 (en)
KR (1) KR20220069042A (en)
CN (1) CN114556344A (en)
WO (1) WO2021071719A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001125481A (en) * 1999-10-25 2001-05-11 Toshiba Corp Cryptographic communication terminal, cryptographic communication center device, cryptographic communication system, and recording medium
US20110131420A1 (en) * 2009-11-30 2011-06-02 Ali Valiuddin Y Computing entities, platforms and methods operable to perform operations selectively using different cryptographic algorithms
US8966243B2 (en) * 2010-12-22 2015-02-24 Tencent Technology (Shenzhen) Company Limited Method and system for data encryption and decryption in data transmission through the web

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001338271A (en) 2000-03-23 2001-12-07 Matsushita Electric Ind Co Ltd Ic card and ic card utilizing system
DE10107373A1 (en) 2001-02-16 2002-08-29 Infineon Technologies Ag Security module with volatile memory for storing an algorithm code
US7657033B2 (en) * 2004-12-10 2010-02-02 Fiske Software Llc Cryptography related to keys
KR20090059602A (en) * 2007-12-07 2009-06-11 한국전자통신연구원 Encrypting device having session memory bus
CN103297958B (en) * 2012-02-22 2017-04-12 华为技术有限公司 Security context establishing method, device and system
US10243727B2 (en) * 2013-10-31 2019-03-26 Ati Technologies Ulc Method and system for constant time cryptography using a co-processor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001125481A (en) * 1999-10-25 2001-05-11 Toshiba Corp Cryptographic communication terminal, cryptographic communication center device, cryptographic communication system, and recording medium
US20110131420A1 (en) * 2009-11-30 2011-06-02 Ali Valiuddin Y Computing entities, platforms and methods operable to perform operations selectively using different cryptographic algorithms
US8966243B2 (en) * 2010-12-22 2015-02-24 Tencent Technology (Shenzhen) Company Limited Method and system for data encryption and decryption in data transmission through the web

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021071719A1 *

Also Published As

Publication number Publication date
KR20220069042A (en) 2022-05-26
EP4042630A1 (en) 2022-08-17
CN114556344A (en) 2022-05-27
JP7385025B2 (en) 2023-11-21
JP2022551586A (en) 2022-12-12
WO2021071719A1 (en) 2021-04-15

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RIN1 Information on inventor provided before grant (corrected)

Inventor name: LEI, ANDREW

Inventor name: VISHNUVAJHALA, SUBRAHMANYAM

Inventor name: BISWAS, MANIK

Inventor name: DELIWALA, MANISH

Inventor name: IBRAHIM, WAEL

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