GB2387301B - Private-key cryptosystem and other applications - Google Patents

Private-key cryptosystem and other applications

Info

Publication number
GB2387301B
GB2387301B GB0207701A GB0207701A GB2387301B GB 2387301 B GB2387301 B GB 2387301B GB 0207701 A GB0207701 A GB 0207701A GB 0207701 A GB0207701 A GB 0207701A GB 2387301 B GB2387301 B GB 2387301B
Authority
GB
United Kingdom
Prior art keywords
private
applications
key cryptosystem
cryptosystem
key
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
GB0207701A
Other versions
GB2387301A (en
GB0207701D0 (en
Inventor
Clive Neil Galley
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0207701A priority Critical patent/GB2387301B/en
Publication of GB0207701D0 publication Critical patent/GB0207701D0/en
Publication of GB2387301A publication Critical patent/GB2387301A/en
Application granted granted Critical
Publication of GB2387301B publication Critical patent/GB2387301B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
GB0207701A 2002-04-02 2002-04-02 Private-key cryptosystem and other applications Expired - Lifetime GB2387301B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0207701A GB2387301B (en) 2002-04-02 2002-04-02 Private-key cryptosystem and other applications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0207701A GB2387301B (en) 2002-04-02 2002-04-02 Private-key cryptosystem and other applications

Publications (3)

Publication Number Publication Date
GB0207701D0 GB0207701D0 (en) 2002-05-15
GB2387301A GB2387301A (en) 2003-10-08
GB2387301B true GB2387301B (en) 2005-02-09

Family

ID=9934182

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0207701A Expired - Lifetime GB2387301B (en) 2002-04-02 2002-04-02 Private-key cryptosystem and other applications

Country Status (1)

Country Link
GB (1) GB2387301B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2391772B (en) * 2002-08-10 2005-05-11 Clive Neil Galley Public-key cryptosystem

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995019672A2 (en) * 1994-01-13 1995-07-20 Bankers Trust Company Cryptographic system and method with key escrow feature
WO1999009700A1 (en) * 1997-08-14 1999-02-25 Mordhai Barkan System and method for reliable key transfer
US5889861A (en) * 1995-01-12 1999-03-30 Kokusai Denshin Denwa Co., Ltd Identity confidentiality method in radio communication system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995019672A2 (en) * 1994-01-13 1995-07-20 Bankers Trust Company Cryptographic system and method with key escrow feature
US5889861A (en) * 1995-01-12 1999-03-30 Kokusai Denshin Denwa Co., Ltd Identity confidentiality method in radio communication system
WO1999009700A1 (en) * 1997-08-14 1999-02-25 Mordhai Barkan System and method for reliable key transfer

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
http://www.dtc.umn.edu/ïodlyzko/doc/arch/break.mi.scheme.pdf, "Fast cryptanalysis of the Matsumoto-Imai public key scheme", Delsarte et al., 13/04/1998, See the abstract *
http://www.math.rutgers.edu/ïgreenfie/teaching/display/L6.html, "The mathematics of communication", Benjamin Franklin, last modified 26/05/2000, see lecture à6 *
The Math Forum @ Drexel, Ask Dr Math 'The Log of a Negative Number' answer by Doctor Barrus, available from http://mathforum.org/library/drmath/view/55564.html *

Also Published As

Publication number Publication date
GB2387301A (en) 2003-10-08
GB0207701D0 (en) 2002-05-15

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20051221

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100402

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: APPLICATION FILED

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: APPLICATION WITHDRAWN

Effective date: 20120203