GB2331898B - Fair escrow cryptosystems - Google Patents

Fair escrow cryptosystems

Info

Publication number
GB2331898B
GB2331898B GB9725452A GB9725452A GB2331898B GB 2331898 B GB2331898 B GB 2331898B GB 9725452 A GB9725452 A GB 9725452A GB 9725452 A GB9725452 A GB 9725452A GB 2331898 B GB2331898 B GB 2331898B
Authority
GB
United Kingdom
Prior art keywords
cryptosystems
escrow
fair
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 - Fee Related
Application number
GB9725452A
Other versions
GB2331898A (en
GB9725452D0 (en
Inventor
Wenbo Mao
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.)
HP Inc
Original Assignee
HP 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
Application filed by HP Inc filed Critical HP Inc
Priority to GB9725452A priority Critical patent/GB2331898B/en
Publication of GB9725452D0 publication Critical patent/GB9725452D0/en
Publication of GB2331898A publication Critical patent/GB2331898A/en
Application granted granted Critical
Publication of GB2331898B publication Critical patent/GB2331898B/en
Anticipated expiration legal-status Critical
Application status is Expired - Fee Related legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communication
    • H04L9/30Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3006Public 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
    • H04L9/302Public 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communication
    • H04L9/30Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3006Public 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
    • H04L9/3013Public 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 discrete logarithm problem, e.g. ElGamal or Diffie-Hellman systems
GB9725452A 1997-12-01 1997-12-01 Fair escrow cryptosystems Expired - Fee Related GB2331898B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9725452A GB2331898B (en) 1997-12-01 1997-12-01 Fair escrow cryptosystems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9725452A GB2331898B (en) 1997-12-01 1997-12-01 Fair escrow cryptosystems

Publications (3)

Publication Number Publication Date
GB9725452D0 GB9725452D0 (en) 1998-01-28
GB2331898A GB2331898A (en) 1999-06-02
GB2331898B true GB2331898B (en) 2003-03-12

Family

ID=10822969

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9725452A Expired - Fee Related GB2331898B (en) 1997-12-01 1997-12-01 Fair escrow cryptosystems

Country Status (1)

Country Link
GB (1) GB2331898B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2217959B1 (en) * 2003-02-14 2006-02-01 Araceli Queiruga Dios Procedure and encryption device through an rsa type cryptosystem.

Citations (2)

* 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
US5666414A (en) * 1996-03-21 1997-09-09 Micali; Silvio Guaranteed partial key-escrow

Patent Citations (2)

* 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
US5666414A (en) * 1996-03-21 1997-09-09 Micali; Silvio Guaranteed partial key-escrow

Also Published As

Publication number Publication date
GB2331898A (en) 1999-06-02
GB9725452D0 (en) 1998-01-28

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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 20120329 AND 20120404

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20121201