GB2401763B - Trusted authority for identifer-based cryptography - Google Patents

Trusted authority for identifer-based cryptography

Info

Publication number
GB2401763B
GB2401763B GB0417136A GB0417136A GB2401763B GB 2401763 B GB2401763 B GB 2401763B GB 0417136 A GB0417136 A GB 0417136A GB 0417136 A GB0417136 A GB 0417136A GB 2401763 B GB2401763 B GB 2401763B
Authority
GB
United Kingdom
Prior art keywords
identifer
trusted authority
based cryptography
cryptography
trusted
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.)
Expired - Lifetime
Application number
GB0417136A
Other versions
GB2401763A (en
GB0417136D0 (en
Inventor
Keith Alexander Harrison
Liqun Chen
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Development Co LP
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 GBGB0215590.1A external-priority patent/GB0215590D0/en
Application filed by Hewlett Packard Development Co LP filed Critical Hewlett Packard Development Co LP
Publication of GB0417136D0 publication Critical patent/GB0417136D0/en
Publication of GB2401763A publication Critical patent/GB2401763A/en
Application granted granted Critical
Publication of GB2401763B publication Critical patent/GB2401763B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
    • H04L9/3073—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing
    • 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
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/26—Testing cryptographic entity, e.g. testing integrity of encryption key or encryption algorithm

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mathematical Physics (AREA)
  • Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Storage Device Security (AREA)
GB0417136A 2002-07-05 2003-07-04 Trusted authority for identifer-based cryptography Expired - Lifetime GB2401763B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0215590.1A GB0215590D0 (en) 2002-07-05 2002-07-05 Method and apparatus for generating a cryptographic key
GB0315696A GB2390515B (en) 2002-07-05 2003-07-04 Method and apparatus for use in relation to verifying an association between two parties

Publications (3)

Publication Number Publication Date
GB0417136D0 GB0417136D0 (en) 2004-09-01
GB2401763A GB2401763A (en) 2004-11-17
GB2401763B true GB2401763B (en) 2005-08-10

Family

ID=33301216

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0417136A Expired - Lifetime GB2401763B (en) 2002-07-05 2003-07-04 Trusted authority for identifer-based cryptography

Country Status (1)

Country Link
GB (1) GB2401763B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2416283B (en) * 2004-07-15 2007-03-07 Hewlett Packard Development Co Trusted authority for identifier-based cryptography
GB2422277A (en) * 2005-01-14 2006-07-19 Hyun Ku Yeun Key exchange using a secret value pre-established between devices
CN110708167A (en) * 2019-10-14 2020-01-17 杭州云萃流图网络科技有限公司 Method, device, equipment and medium for generating public key and private key

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003017559A2 (en) * 2001-08-13 2003-02-27 Board Of Trustees Of The Leland Stanford Junior University Systems and methods for identity-based encryption and related cryptographic techniques

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003017559A2 (en) * 2001-08-13 2003-02-27 Board Of Trustees Of The Leland Stanford Junior University Systems and methods for identity-based encryption and related cryptographic techniques

Also Published As

Publication number Publication date
GB2401763A (en) 2004-11-17
GB0417136D0 (en) 2004-09-01

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20160825 AND 20160831

PE20 Patent expired after termination of 20 years

Expiry date: 20230703