CH476430A - Encryption or decryption device for multiplex link - Google Patents

Encryption or decryption device for multiplex link

Info

Publication number
CH476430A
CH476430A CH1539366A CH1539366A CH476430A CH 476430 A CH476430 A CH 476430A CH 1539366 A CH1539366 A CH 1539366A CH 1539366 A CH1539366 A CH 1539366A CH 476430 A CH476430 A CH 476430A
Authority
CH
Switzerland
Prior art keywords
encryption
decryption device
multiplex link
multiplex
link
Prior art date
Application number
CH1539366A
Other languages
French (fr)
Inventor
Vasseur Jean-Pierre
Original Assignee
Csf
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 Csf filed Critical Csf
Publication of CH476430A publication Critical patent/CH476430A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/22Arrangements affording multiple use of the transmission path using time-division multiplexing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic 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
    • H04L9/0618Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0637Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0877Generation of secret information including derivation or calculation of cryptographic keys or passwords using additional device, e.g. trusted platform module [TPM], smartcard, USB or hardware security module [HSM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/12Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12Details relating to cryptographic hardware or logic circuitry

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Storage Device Security (AREA)
  • Facsimile Transmission Control (AREA)
CH1539366A 1965-11-08 1966-10-24 Encryption or decryption device for multiplex link CH476430A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR37619A FR1463957A (en) 1965-11-08 1965-11-08 Encryption system for multiplex link

Publications (1)

Publication Number Publication Date
CH476430A true CH476430A (en) 1969-07-31

Family

ID=8592050

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1539366A CH476430A (en) 1965-11-08 1966-10-24 Encryption or decryption device for multiplex link

Country Status (6)

Country Link
BE (1) BE689357A (en)
CH (1) CH476430A (en)
DE (1) DE1263812B (en)
FR (1) FR1463957A (en)
GB (1) GB1134791A (en)
NL (1) NL6615730A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784743A (en) * 1972-08-23 1974-01-08 Bell Telephone Labor Inc Parallel data scrambler

Also Published As

Publication number Publication date
FR1463957A (en) 1966-07-22
NL6615730A (en) 1967-05-09
BE689357A (en) 1967-05-08
GB1134791A (en) 1968-11-27
DE1263812B (en) 1968-03-21

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Legal Events

Date Code Title Description
PL Patent ceased