FR1463957A - Encryption system for multiplex link - Google Patents

Encryption system for multiplex link

Info

Publication number
FR1463957A
FR1463957A FR37619A FR37619A FR1463957A FR 1463957 A FR1463957 A FR 1463957A FR 37619 A FR37619 A FR 37619A FR 37619 A FR37619 A FR 37619A FR 1463957 A FR1463957 A FR 1463957A
Authority
FR
France
Prior art keywords
encryption system
multiplex link
multiplex
link
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
FR37619A
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR37619A priority Critical patent/FR1463957A/en
Application granted granted Critical
Publication of FR1463957A publication Critical patent/FR1463957A/en
Priority to CH1539366A priority patent/CH476430A/en
Priority to GB4792666A priority patent/GB1134791A/en
Priority to DE1966C0040607 priority patent/DE1263812B/en
Priority to BE689357D priority patent/BE689357A/xx
Priority to NL6615730A priority patent/NL6615730A/xx
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing
    • 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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0877—Generation 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]
    • 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
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12—Details 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)
FR37619A 1965-11-08 1965-11-08 Encryption system for multiplex link Expired FR1463957A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR37619A FR1463957A (en) 1965-11-08 1965-11-08 Encryption system for multiplex link
CH1539366A CH476430A (en) 1965-11-08 1966-10-24 Encryption or decryption device for multiplex link
GB4792666A GB1134791A (en) 1965-11-08 1966-10-25 Ciphering or deciphering system for multiplex communication link
DE1966C0040607 DE1263812B (en) 1965-11-08 1966-11-05 Arrangement for the simultaneous encryption and / or decryption of several telegraphy transmission channels
BE689357D BE689357A (en) 1965-11-08 1966-11-07
NL6615730A NL6615730A (en) 1965-11-08 1966-11-08

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
FR1463957A true FR1463957A (en) 1966-07-22

Family

ID=8592050

Family Applications (1)

Application Number Title Priority Date Filing Date
FR37619A Expired FR1463957A (en) 1965-11-08 1965-11-08 Encryption system 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
CH476430A (en) 1969-07-31
NL6615730A (en) 1967-05-09
BE689357A (en) 1967-05-08
GB1134791A (en) 1968-11-27
DE1263812B (en) 1968-03-21

Similar Documents

Publication Publication Date Title
FR1440883A (en) Transmission system
FR1393008A (en) Adjustment system for developing substance
CH396072A (en) Locomotive for suspended transport system
FR1415040A (en) Supervision device for redundant system
FR1418522A (en) Communication system for conferences
FR1453673A (en) Memory-file system
FR1539001A (en) Radiotelephone link system
FR1400491A (en) Hydraulic distribution system for excavator
FR1491630A (en) Photometric system for spectrophotometer
FR1463957A (en) Encryption system for multiplex link
FR1473891A (en) Rotary shaker system for combine harvesters
FR1469184A (en) Multiplex bilateral encrypted link
FR1489542A (en) Joint system for fittings
FR1390340A (en) Safety system for machines
FI45392C (en) Multiplex rail for time multiplex transmission system.
FR1504288A (en) Balanced brake system
FR1479321A (en) Safety system for mower
FR1395694A (en) Safety system for press
FR1426698A (en) Adjustable shoe closure system
FR1454740A (en) Support system for mines
FR1425176A (en) Transmission system for vehicles
FR1457498A (en) Synchronized communication system
FR1470027A (en) Time division communication system
FR1433013A (en) Protection circuit for alternator-rectifier system
FR1443738A (en) Regulation system