DE1180558B - Digitales Rechengeraet zur Erzeugung einer Schluesselimpulsfolge fuer die Verschluesselung von Nachrichtensignalen - Google Patents

Digitales Rechengeraet zur Erzeugung einer Schluesselimpulsfolge fuer die Verschluesselung von Nachrichtensignalen

Info

Publication number
DE1180558B
DE1180558B DEP31247A DEP0031247A DE1180558B DE 1180558 B DE1180558 B DE 1180558B DE P31247 A DEP31247 A DE P31247A DE P0031247 A DEP0031247 A DE P0031247A DE 1180558 B DE1180558 B DE 1180558B
Authority
DE
Germany
Prior art keywords
pulses
memory
output
input
feedback circuit
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.)
Pending
Application number
DEP31247A
Other languages
German (de)
English (en)
Inventor
Dipl-Ing Gustav Guanella
Rudolf Schweizer
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.)
Patelhold Patenverwertungs and Elektro-Holding AG
Original Assignee
Patelhold Patenverwertungs and Elektro-Holding 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 Patelhold Patenverwertungs and Elektro-Holding AG filed Critical Patelhold Patenverwertungs and Elektro-Holding AG
Publication of DE1180558B publication Critical patent/DE1180558B/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/156—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/13—Linear codes
    • H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes
    • 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)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Probability & Statistics with Applications (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Dc Digital Transmission (AREA)
  • Analogue/Digital Conversion (AREA)
  • Storage Device Security (AREA)
DEP31247A 1963-01-30 1963-03-02 Digitales Rechengeraet zur Erzeugung einer Schluesselimpulsfolge fuer die Verschluesselung von Nachrichtensignalen Pending DE1180558B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH116563A CH407219A (de) 1963-01-30 1963-01-30 Digitaler Impulsumsetzer zur Erzeugung einer Schlüsselimpulsfolge für die Verschlüsselung von Nachrichtensignalen

Publications (1)

Publication Number Publication Date
DE1180558B true DE1180558B (de) 1964-10-29

Family

ID=4203987

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP31247A Pending DE1180558B (de) 1963-01-30 1963-03-02 Digitales Rechengeraet zur Erzeugung einer Schluesselimpulsfolge fuer die Verschluesselung von Nachrichtensignalen

Country Status (9)

Country Link
US (1) US3925612A (US20020128544A1-20020912-P00008.png)
JP (1) JPS432420B1 (US20020128544A1-20020912-P00008.png)
AT (1) AT241529B (US20020128544A1-20020912-P00008.png)
BE (1) BE643066A (US20020128544A1-20020912-P00008.png)
CH (1) CH407219A (US20020128544A1-20020912-P00008.png)
DE (1) DE1180558B (US20020128544A1-20020912-P00008.png)
FR (1) FR1394119A (US20020128544A1-20020912-P00008.png)
GB (1) GB1022977A (US20020128544A1-20020912-P00008.png)
NL (1) NL302458A (US20020128544A1-20020912-P00008.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4434322A (en) 1965-08-19 1984-02-28 Racal Data Communications Inc. Coded data transmission system
US4231113A (en) * 1968-03-11 1980-10-28 International Business Machines Corporation Anti-jam communications system
US3657699A (en) * 1970-06-30 1972-04-18 Ibm Multipath encoder-decoder arrangement
US4266243A (en) * 1979-04-25 1981-05-05 Westinghouse Electric Corp. Scrambling system for television sound signals
US4661980A (en) * 1982-06-25 1987-04-28 The United States Of America As Represented By The Secretary Of The Navy Intercept resistant data transmission system
FR2542951B1 (fr) * 1983-03-18 1990-03-02 Alsthom Atlantique Systeme de codage d'informations de securite de la voie vers des trains en vue de leur commande
US4785410A (en) * 1985-06-05 1988-11-15 Clarion Co., Ltd. Maximum length shift register sequences generator
US4736424A (en) * 1986-09-22 1988-04-05 Rockwell International Corporation Data scrambling apparatus
US4815130A (en) * 1986-10-03 1989-03-21 Communications Satellite Corporation Stream cipher system with feedback
JPH0727325B2 (ja) * 1987-02-13 1995-03-29 沖電気工業株式会社 暗号化装置
US5864491A (en) * 1997-11-10 1999-01-26 Telefonaktiebolaget L M Ericsson Apparatus and associated method for generating a pseudo random number
GB2342016B (en) * 1998-09-23 2003-06-25 Sony Uk Ltd Interfacing digital signals
JP5098358B2 (ja) * 2007-02-22 2012-12-12 富士通セミコンダクター株式会社 プロセッシングエレメント及びそれを備えたリコンフィギャラブル回路
US9761049B2 (en) * 2014-03-28 2017-09-12 Intel Corporation Determination of mobile display position and orientation using micropower impulse radar

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069657A (en) * 1958-06-11 1962-12-18 Sylvania Electric Prod Selective calling system
US3093796A (en) * 1959-10-28 1963-06-11 Everett C Westerfield Automatic signal time compressor with gate means for controlling rate of shift register output

Also Published As

Publication number Publication date
US3925612A (en) 1975-12-09
GB1022977A (en) 1966-03-16
AT241529B (de) 1965-07-26
CH407219A (de) 1966-02-15
FR1394119A (fr) 1965-04-02
NL302458A (US20020128544A1-20020912-P00008.png)
JPS432420B1 (US20020128544A1-20020912-P00008.png) 1968-01-29
BE643066A (US20020128544A1-20020912-P00008.png) 1964-05-15

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