EP4042630A4 - Executing entity-specific cryptographic code in a cryptographic coprocessor - Google Patents
Executing entity-specific cryptographic code in a cryptographic coprocessor Download PDFInfo
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Bioethics (AREA)
- Software Systems (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- Storage Device Security (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Strategic Management (AREA)
- General Business, Economics & Management (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962914275P | 2019-10-11 | 2019-10-11 | |
US201962914272P | 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)
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)
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 |
-
2020
- 2020-09-30 JP JP2022520312A patent/JP7385025B2/en active Active
- 2020-09-30 EP EP20874322.9A patent/EP4042630A4/en active Pending
- 2020-09-30 CN CN202080071365.7A patent/CN114556344A/en active Pending
- 2020-09-30 KR KR1020227013092A patent/KR20220069042A/en unknown
- 2020-09-30 WO PCT/US2020/053520 patent/WO2021071719A1/en unknown
Patent Citations (3)
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)
Title |
---|
See also references of WO2021071719A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR20220069042A (en) | 2022-05-26 |
WO2021071719A1 (en) | 2021-04-15 |
EP4042630A1 (en) | 2022-08-17 |
JP2022551586A (en) | 2022-12-12 |
CN114556344A (en) | 2022-05-27 |
JP7385025B2 (en) | 2023-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20220331 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
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 |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230509 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20230911 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04L 9/40 20220101ALI20230905BHEP Ipc: H04L 9/32 20060101ALI20230905BHEP Ipc: G06F 21/60 20130101ALI20230905BHEP Ipc: H04L 9/08 20060101AFI20230905BHEP |