HUP1700499A1 - Symmetric key stream cipher method and apparatus - Google Patents

Symmetric key stream cipher method and apparatus

Info

Publication number
HUP1700499A1
HUP1700499A1 HUP1700499A HUP1700499A1 HU P1700499 A1 HUP1700499 A1 HU P1700499A1 HU P1700499 A HUP1700499 A HU P1700499A HU P1700499 A1 HUP1700499 A1 HU P1700499A1
Authority
HU
Hungary
Prior art keywords
symmetric key
key stream
stream cipher
cipher method
symmetric
Prior art date
Application number
Other languages
Hungarian (hu)
Inventor
Doemoesi Pal Bela Dr
Horvath Geza Dr
Original Assignee
Intelligens Tech Kft
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 Intelligens Tech Kft filed Critical Intelligens Tech Kft
Priority to HUP1700499 priority Critical patent/HUP1700499A1/en
Priority to EP18753227.0A priority patent/EP3639464B1/en
Priority to HUE18753227A priority patent/HUE054442T2/en
Priority to PCT/IB2018/054284 priority patent/WO2018229666A1/en
Priority to US16/621,300 priority patent/US11165563B2/en
Publication of HUP1700499A1 publication Critical patent/HUP1700499A1/en

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
    • G09C1/04—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system with sign carriers or indicators moved relative to one another to positions determined by a permutation code, or key, so as to indicate the appropriate corresponding clear or ciphered text
    • 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)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
HUP1700499 2017-06-15 2017-11-30 Symmetric key stream cipher method and apparatus HUP1700499A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
HUP1700499 HUP1700499A1 (en) 2017-11-30 2017-11-30 Symmetric key stream cipher method and apparatus
EP18753227.0A EP3639464B1 (en) 2017-06-15 2018-06-13 Symmetric key stream cipher cryptographic method and device
HUE18753227A HUE054442T2 (en) 2017-06-15 2018-06-13 Symmetric key stream cipher cryptographic method and device
PCT/IB2018/054284 WO2018229666A1 (en) 2017-06-15 2018-06-13 Symmetric key stream cipher cryptographic method and device
US16/621,300 US11165563B2 (en) 2017-06-15 2018-06-13 Symmetric key stream cipher cryptographic method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUP1700499 HUP1700499A1 (en) 2017-11-30 2017-11-30 Symmetric key stream cipher method and apparatus

Publications (1)

Publication Number Publication Date
HUP1700499A1 true HUP1700499A1 (en) 2019-05-28

Family

ID=89992581

Family Applications (1)

Application Number Title Priority Date Filing Date
HUP1700499 HUP1700499A1 (en) 2017-06-15 2017-11-30 Symmetric key stream cipher method and apparatus

Country Status (1)

Country Link
HU (1) HUP1700499A1 (en)

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Legal Events

Date Code Title Description
FH92 Termination of representative

Representative=s name: PINTZ ES TARSAI SZABADALMI, VEDJEGY ES JOGI IR, HU

FD9A Lapse of provisional protection due to non-payment of fees