FR1334704A - Message encryption device - Google Patents

Message encryption device

Info

Publication number
FR1334704A
FR1334704A FR910492A FR910492A FR1334704A FR 1334704 A FR1334704 A FR 1334704A FR 910492 A FR910492 A FR 910492A FR 910492 A FR910492 A FR 910492A FR 1334704 A FR1334704 A FR 1334704A
Authority
FR
France
Prior art keywords
encryption device
message encryption
message
encryption
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
FR910492A
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 CH1140961A external-priority patent/CH392617A/en
Application filed by Gretag AG filed Critical Gretag AG
Priority to FR910492A priority Critical patent/FR1334704A/en
Application granted granted Critical
Publication of FR1334704A publication Critical patent/FR1334704A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • 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
    • H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR910492A 1961-10-02 1962-09-26 Message encryption device Expired FR1334704A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR910492A FR1334704A (en) 1961-10-02 1962-09-26 Message encryption device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1140961A CH392617A (en) 1961-10-02 1961-10-02 Arrangement for the encryption of messages transmitted in pulse form
FR910492A FR1334704A (en) 1961-10-02 1962-09-26 Message encryption device

Publications (1)

Publication Number Publication Date
FR1334704A true FR1334704A (en) 1963-08-09

Family

ID=25708278

Family Applications (1)

Application Number Title Priority Date Filing Date
FR910492A Expired FR1334704A (en) 1961-10-02 1962-09-26 Message encryption device

Country Status (1)

Country Link
FR (1) FR1334704A (en)

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