FR1422421A - Method for synchronizing the encryption and decryption of binary coded messages in the form of pulses - Google Patents

Method for synchronizing the encryption and decryption of binary coded messages in the form of pulses

Info

Publication number
FR1422421A
FR1422421A FR999595A FR999595A FR1422421A FR 1422421 A FR1422421 A FR 1422421A FR 999595 A FR999595 A FR 999595A FR 999595 A FR999595 A FR 999595A FR 1422421 A FR1422421 A FR 1422421A
Authority
FR
France
Prior art keywords
decryption
synchronizing
encryption
pulses
binary coded
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
FR999595A
Other languages
French (fr)
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.)
Gretag AG
Original Assignee
Gretag AG
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
Priority claimed from CH1593863A external-priority patent/CH422047A/en
Application filed by Gretag AG filed Critical Gretag AG
Priority to FR999595A priority Critical patent/FR1422421A/en
Priority claimed from US04/420,393 external-priority patent/US4145569A/en
Application granted granted Critical
Publication of FR1422421A publication Critical patent/FR1422421A/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
    • H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
    • 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
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR999595A 1963-12-24 1964-12-22 Method for synchronizing the encryption and decryption of binary coded messages in the form of pulses Expired FR1422421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR999595A FR1422421A (en) 1963-12-24 1964-12-22 Method for synchronizing the encryption and decryption of binary coded messages in the form of pulses

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1593863A CH422047A (en) 1963-12-24 1963-12-24 Process for synchronizing the encryption and decryption of messages displayed in pulses
US04/420,393 US4145569A (en) 1963-12-24 1964-12-22 Method and apparatus for synchronizing the ciphering and deciphering of binary-coded messages
FR999595A FR1422421A (en) 1963-12-24 1964-12-22 Method for synchronizing the encryption and decryption of binary coded messages in the form of pulses

Publications (1)

Publication Number Publication Date
FR1422421A true FR1422421A (en) 1965-12-24

Family

ID=27177410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR999595A Expired FR1422421A (en) 1963-12-24 1964-12-22 Method for synchronizing the encryption and decryption of binary coded messages in the form of pulses

Country Status (1)

Country Link
FR (1) FR1422421A (en)

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