FR2044948A5 - - Google Patents

Info

Publication number
FR2044948A5
FR2044948A5 FR6917237A FR6917237A FR2044948A5 FR 2044948 A5 FR2044948 A5 FR 2044948A5 FR 6917237 A FR6917237 A FR 6917237A FR 6917237 A FR6917237 A FR 6917237A FR 2044948 A5 FR2044948 A5 FR 2044948A5
Authority
FR
France
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
FR6917237A
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.)
Siemens AG
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 FR2044948A5 publication Critical patent/FR2044948A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/58—Random or pseudo-random number generators
    • G06F7/582—Pseudo-random number generators
    • G06F7/584—Pseudo-random number generators using finite field arithmetic, e.g. using a linear feedback shift register
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/58—Indexing scheme relating to groups G06F7/58 - G06F7/588
    • G06F2207/581—Generating an LFSR sequence, e.g. an m-sequence; sequence may be generated without LFSR, e.g. using Galois Field arithmetic
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/58—Indexing scheme relating to groups G06F7/58 - G06F7/588
    • G06F2207/583—Serial finite field implementation, i.e. serial implementation of finite field arithmetic, generating one new bit or trit per step, e.g. using an LFSR or several independent LFSRs; also includes PRNGs with parallel operation between LFSR and outputs
FR6917237A 1969-05-08 1969-05-27 Expired FR2044948A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU58605 1969-05-08

Publications (1)

Publication Number Publication Date
FR2044948A5 true FR2044948A5 (en) 1971-02-26

Family

ID=19726028

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6917237A Expired FR2044948A5 (en) 1969-05-08 1969-05-27

Country Status (2)

Country Link
FR (1) FR2044948A5 (en)
LU (1) LU58605A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2368832A1 (en) * 1971-05-17 1978-05-19 Siemens Ag ELECTRICAL CIRCUIT TO PRODUCE A LARGE NUMBER OF DIFFERENT CODES
FR2519828A2 (en) * 1982-01-11 1983-07-18 Telediffusion Fse VIDEOTEX SYSTEM PROVIDED WITH MEANS FOR CONTROLLING ACCESS TO INFORMATION
BE1006678A3 (en) * 1990-03-28 1994-11-16 Ando Electric Circuit for the generation of M-PSEUDO RANDOM SEQUENCE PATTERN.
EP0670402A1 (en) * 1994-03-03 1995-09-06 Lectron Products, Inc. Rolling code encryption process for remote keyless entry system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4847800A (en) * 1987-10-23 1989-07-11 Control Data Corporation Input register for test operand generation

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2368832A1 (en) * 1971-05-17 1978-05-19 Siemens Ag ELECTRICAL CIRCUIT TO PRODUCE A LARGE NUMBER OF DIFFERENT CODES
FR2519828A2 (en) * 1982-01-11 1983-07-18 Telediffusion Fse VIDEOTEX SYSTEM PROVIDED WITH MEANS FOR CONTROLLING ACCESS TO INFORMATION
EP0083998A1 (en) * 1982-01-11 1983-07-20 Etablissement Public de Diffusion dit "Télédiffusion de France" Scramble or unscramble byte generator
US4543559A (en) * 1982-01-11 1985-09-24 Guillou Louis C Generator of encoding or decoding 8-bit bytes which can be used in a video system
BE1006678A3 (en) * 1990-03-28 1994-11-16 Ando Electric Circuit for the generation of M-PSEUDO RANDOM SEQUENCE PATTERN.
EP0670402A1 (en) * 1994-03-03 1995-09-06 Lectron Products, Inc. Rolling code encryption process for remote keyless entry system

Also Published As

Publication number Publication date
LU58605A1 (en) 1969-08-22

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Legal Events

Date Code Title Description
ST Notification of lapse