NO892196L - Koding- og dekodingsinnretning for transmisjonssystemer med hoey bit-hastighet. - Google Patents

Koding- og dekodingsinnretning for transmisjonssystemer med hoey bit-hastighet.

Info

Publication number
NO892196L
NO892196L NO89892196A NO892196A NO892196L NO 892196 L NO892196 L NO 892196L NO 89892196 A NO89892196 A NO 89892196A NO 892196 A NO892196 A NO 892196A NO 892196 L NO892196 L NO 892196L
Authority
NO
Norway
Prior art keywords
circuit
signal
encoding
generator
random
Prior art date
Application number
NO89892196A
Other languages
English (en)
Norwegian (no)
Other versions
NO892196D0 (no
Inventor
Adriano Butti
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of NO892196D0 publication Critical patent/NO892196D0/no
Publication of NO892196L publication Critical patent/NO892196L/no

Links

Classifications

    • 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
    • H04L9/065Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
    • 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
    • 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
    • H04L2209/34Encoding or coding, e.g. Huffman coding or error correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
NO89892196A 1988-06-01 1989-05-31 Koding- og dekodingsinnretning for transmisjonssystemer med hoey bit-hastighet. NO892196L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20822/88A IT1217755B (it) 1988-06-01 1988-06-01 Dispositivo di cifratura e decifratura per sistemi di trasmissione ad alta velocita,

Publications (2)

Publication Number Publication Date
NO892196D0 NO892196D0 (no) 1989-05-31
NO892196L true NO892196L (no) 1989-12-04

Family

ID=11172567

Family Applications (1)

Application Number Title Priority Date Filing Date
NO89892196A NO892196L (no) 1988-06-01 1989-05-31 Koding- og dekodingsinnretning for transmisjonssystemer med hoey bit-hastighet.

Country Status (5)

Country Link
EP (1) EP0345845A3 (de)
AU (1) AU611562B2 (de)
IT (1) IT1217755B (de)
NO (1) NO892196L (de)
ZA (1) ZA894106B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6490353B1 (en) 1998-11-23 2002-12-03 Tan Daniel Tiong Hok Data encrypting and decrypting apparatus and method
US6895090B1 (en) 1999-04-30 2005-05-17 Texas Instruments Incorporated Pseudo-noise sequence with insertion having variant length and position
US11100236B2 (en) * 2019-06-26 2021-08-24 Seagate Technology Llc Distributed data security

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1190809A (en) * 1967-06-26 1970-05-06 Ericsson Telefon Ab L M Improvements in and relating to the Generation of a Pulse Code
US4484027A (en) * 1981-11-19 1984-11-20 Communications Satellite Corporation Security system for SSTV encryption
DE3360921D1 (en) * 1982-04-30 1985-11-07 British Telecomm Broadcasting encrypted signals
JPS5941939A (ja) * 1982-07-28 1984-03-08 コミユニケ−シヨンズ・サテライト・コ−ポレ−シヨン 通信方式
DE3870558D1 (de) * 1987-09-04 1992-06-04 Ascom Radiocom Ag Verfahren zur erzeugung und verteilung von geheimschluesseln.

Also Published As

Publication number Publication date
EP0345845A3 (de) 1991-07-31
ZA894106B (en) 1990-03-28
AU3516589A (en) 1989-12-07
AU611562B2 (en) 1991-06-13
NO892196D0 (no) 1989-05-31
EP0345845A2 (de) 1989-12-13
IT8820822A0 (it) 1988-06-01
IT1217755B (it) 1990-03-30

Similar Documents

Publication Publication Date Title
US5200979A (en) High speed telecommunication system using a novel line code
US4791669A (en) Encryption/decryption system
US5193115A (en) Pseudo-random choice cipher and method
US7180958B2 (en) Technique for utilizing spare bandwidth resulting from the use of a transition-limiting code in a multi-level signaling system
US7697687B2 (en) Streaming implementation of AlphaEta physical layer encryption
US4408325A (en) Transmitting additional signals using violations of a redundant code used for transmitting digital signals
US6430230B1 (en) Methods of encoding payload bits for transmission
GB1561369A (en) Binary data receiver
US3873971A (en) Random error correcting system
US4431865A (en) Digital signal enciphering and deciphering apparatus and system
US5703882A (en) Cyclic line coding apparatus for error detection and frame recovery
EP0524235B1 (de) Verfahren zur synchronisation der pseudozufallsbinärfolge in einem entwürfler
JPH0715484A (ja) データ通信方法および装置
JPS59183559A (ja) デイジタル伝送装置
NO892196L (no) Koding- og dekodingsinnretning for transmisjonssystemer med hoey bit-hastighet.
NO304869B1 (no) Kommunikasjonssystem, samt fremgangsmÕte for Õ overf°re datategn mellom en sender og en mottaker
GB2174577A (en) Digital communication system
US20040150545A1 (en) Coding method
US4868831A (en) Zero byte time slot interchange (ZBTSI) encoder
Arazi Self synchronizing digital scramblers
CA1161513A (en) System for enciphering and deciphering a digital signal
RU1793553C (ru) Устройство передачи и приема команд согласовани скоростей
RU2180770C2 (ru) Способ формирования ключа шифрования/дешифрования
KR100209314B1 (ko) 동기식 스트림 암호의 동기방법 및 그 장치
Lee et al. A Zero Suppression Algorithm for Synchronous Stream Cipher