IT1021506B - Procedimento e disositivo per il cifraggio e decirraggio di informa zioni trasmesse in codice a piu passi in particolare informazioni trasmesse per telescrivente - Google Patents

Procedimento e disositivo per il cifraggio e decirraggio di informa zioni trasmesse in codice a piu passi in particolare informazioni trasmesse per telescrivente

Info

Publication number
IT1021506B
IT1021506B IT4083569A IT4083569A IT1021506B IT 1021506 B IT1021506 B IT 1021506B IT 4083569 A IT4083569 A IT 4083569A IT 4083569 A IT4083569 A IT 4083569A IT 1021506 B IT1021506 B IT 1021506B
Authority
IT
Italy
Prior art keywords
signal
cipher
resultant
binary value
binary
Prior art date
Application number
IT4083569A
Other languages
English (en)
Italian (it)
Original Assignee
Siemens 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
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1021506B publication Critical patent/IT1021506B/it

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
    • H04L9/06—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)
  • Storage Device Security (AREA)
  • Facsimile Transmission Control (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IT4083569A 1968-11-22 1969-10-16 Procedimento e disositivo per il cifraggio e decirraggio di informa zioni trasmesse in codice a piu passi in particolare informazioni trasmesse per telescrivente IT1021506B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681810398 DE1810398C1 (de) 1968-11-22 1968-11-22 Verfahren zum Ver- und Entschluesseln von in einem Mehrschritte-Code codierten Nachrichten,insbesondere Fernschreibnachrichten

Publications (1)

Publication Number Publication Date
IT1021506B true IT1021506B (it) 1978-02-20

Family

ID=5714055

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4083569A IT1021506B (it) 1968-11-22 1969-10-16 Procedimento e disositivo per il cifraggio e decirraggio di informa zioni trasmesse in codice a piu passi in particolare informazioni trasmesse per telescrivente

Country Status (6)

Country Link
BE (1) BE741438A (xx)
DE (1) DE1810398C1 (xx)
FR (1) FR2371126A5 (xx)
GB (1) GB1500680A (xx)
IT (1) IT1021506B (xx)
NL (1) NL6917353A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201721608D0 (en) 2017-12-21 2018-02-07 Nordic Semiconductor Asa A hardware cipher engine

Also Published As

Publication number Publication date
GB1500680A (en) 1978-02-08
NL6917353A (nl) 1978-01-31
BE741438A (xx) 1978-02-24
FR2371126A5 (fr) 1978-06-09
DE1810398C1 (de) 1978-04-27

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