GB0309157D0 - Cryptographic method and apparatus - Google Patents

Cryptographic method and apparatus

Info

Publication number
GB0309157D0
GB0309157D0 GB0309157A GB0309157A GB0309157D0 GB 0309157 D0 GB0309157 D0 GB 0309157D0 GB 0309157 A GB0309157 A GB 0309157A GB 0309157 A GB0309157 A GB 0309157A GB 0309157 D0 GB0309157 D0 GB 0309157D0
Authority
GB
United Kingdom
Prior art keywords
cryptographic method
cryptographic
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.)
Withdrawn
Application number
GB0309157A
Other versions
GB2401006A (en
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
Application filed by Hewlett Packard Development Co LP filed Critical Hewlett Packard Development Co LP
Priority to GB0309157A priority Critical patent/GB2401006A/en
Priority to GB0311786A priority patent/GB2401009A/en
Publication of GB0309157D0 publication Critical patent/GB0309157D0/en
Priority to EP04252330A priority patent/EP1471680B1/en
Priority to DE602004001273T priority patent/DE602004001273T2/en
Priority to US10/831,549 priority patent/US7574596B2/en
Publication of GB2401006A publication Critical patent/GB2401006A/en
Withdrawn legal-status Critical Current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
    • H04L9/0816—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)
    • H04L9/083—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 central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • 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
    • H04L9/3006—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
    • H04L9/302—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes
    • 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
GB0309157A 2003-04-23 2003-04-23 Cryptographic method and apparatus Withdrawn GB2401006A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB0309157A GB2401006A (en) 2003-04-23 2003-04-23 Cryptographic method and apparatus
GB0311786A GB2401009A (en) 2003-04-23 2003-05-22 Identifier-based encryption
EP04252330A EP1471680B1 (en) 2003-04-23 2004-04-21 Identifier-Based Encryption method and apparatus
DE602004001273T DE602004001273T2 (en) 2003-04-23 2004-04-21 Method and device for identification-based encryption
US10/831,549 US7574596B2 (en) 2003-04-23 2004-04-22 Cryptographic method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0309157A GB2401006A (en) 2003-04-23 2003-04-23 Cryptographic method and apparatus

Publications (2)

Publication Number Publication Date
GB0309157D0 true GB0309157D0 (en) 2003-05-28
GB2401006A GB2401006A (en) 2004-10-27

Family

ID=9957116

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0309157A Withdrawn GB2401006A (en) 2003-04-23 2003-04-23 Cryptographic method and apparatus
GB0311786A Withdrawn GB2401009A (en) 2003-04-23 2003-05-22 Identifier-based encryption

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0311786A Withdrawn GB2401009A (en) 2003-04-23 2003-05-22 Identifier-based encryption

Country Status (1)

Country Link
GB (2) GB2401006A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7895666B1 (en) * 2006-09-01 2011-02-22 Hewlett-Packard Development Company, L.P. Data structure representation using hash-based directed acyclic graphs and related method
GB2457491A (en) * 2008-02-15 2009-08-19 Listertalent Ltd Identifying a remote network user having a password
US11232093B2 (en) 2012-03-02 2022-01-25 Pure Storage, Inc. Slice migration in a dispersed storage network

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9903124D0 (en) * 1999-02-11 1999-04-07 Nokia Telecommunications Oy An authentication method
EP1425874B1 (en) * 2001-08-13 2010-04-21 Board Of Trustees Of The Leland Stanford Junior University Systems and methods for identity-based encryption and related cryptographic techniques
GB0216690D0 (en) * 2002-07-18 2002-08-28 Hewlett Packard Co Method and appatatus for encrypting data
GB0221639D0 (en) * 2002-09-17 2002-10-30 Hewlett Packard Co Method and apparatus for printing

Also Published As

Publication number Publication date
GB2401006A (en) 2004-10-27
GB0311786D0 (en) 2003-06-25
GB2401009A (en) 2004-10-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)