GB2186469B - A public key enciphering and deciphering system using stream ciphers - Google Patents

A public key enciphering and deciphering system using stream ciphers

Info

Publication number
GB2186469B
GB2186469B GB8603349A GB8603349A GB2186469B GB 2186469 B GB2186469 B GB 2186469B GB 8603349 A GB8603349 A GB 8603349A GB 8603349 A GB8603349 A GB 8603349A GB 2186469 B GB2186469 B GB 2186469B
Authority
GB
United Kingdom
Prior art keywords
public key
stream ciphers
deciphering system
key enciphering
enciphering
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
Application number
GB8603349A
Other versions
GB2186469A (en
Inventor
D D Buckley
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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB8603349A priority Critical patent/GB2186469B/en
Publication of GB2186469A publication Critical patent/GB2186469A/en
Application granted granted Critical
Publication of GB2186469B publication Critical patent/GB2186469B/en
Expired 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
    • H04L9/3006—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

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)
GB8603349A 1986-02-11 1986-02-11 A public key enciphering and deciphering system using stream ciphers Expired GB2186469B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8603349A GB2186469B (en) 1986-02-11 1986-02-11 A public key enciphering and deciphering system using stream ciphers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8603349A GB2186469B (en) 1986-02-11 1986-02-11 A public key enciphering and deciphering system using stream ciphers

Publications (2)

Publication Number Publication Date
GB2186469A GB2186469A (en) 1987-08-12
GB2186469B true GB2186469B (en) 1989-11-01

Family

ID=10592868

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8603349A Expired GB2186469B (en) 1986-02-11 1986-02-11 A public key enciphering and deciphering system using stream ciphers

Country Status (1)

Country Link
GB (1) GB2186469B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITCZ20020011A1 (en) * 2002-12-10 2004-06-11 Antonio Salvatore Pacile YIELD CERTIFICATION SYSTEM

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309569A (en) * 1979-09-05 1982-01-05 The Board Of Trustees Of The Leland Stanford Junior University Method of providing digital signatures
GB2094113A (en) * 1981-02-09 1982-09-08 Western Electric Co Improvements in or relating to cryptography
US4471164A (en) * 1981-10-13 1984-09-11 At&T Bell Laboratories Stream cipher operation using public key cryptosystem

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309569A (en) * 1979-09-05 1982-01-05 The Board Of Trustees Of The Leland Stanford Junior University Method of providing digital signatures
GB2094113A (en) * 1981-02-09 1982-09-08 Western Electric Co Improvements in or relating to cryptography
US4471164A (en) * 1981-10-13 1984-09-11 At&T Bell Laboratories Stream cipher operation using public key cryptosystem

Also Published As

Publication number Publication date
GB2186469A (en) 1987-08-12

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980211