BE834839A - Procede pour former des sequences de bits paraleatoires - Google Patents
Procede pour former des sequences de bits paraleatoiresInfo
- Publication number
- BE834839A BE834839A BE161223A BE161223A BE834839A BE 834839 A BE834839 A BE 834839A BE 161223 A BE161223 A BE 161223A BE 161223 A BE161223 A BE 161223A BE 834839 A BE834839 A BE 834839A
- Authority
- BE
- Belgium
- Prior art keywords
- paralleating
- bits
- forming sequences
- sequences
- forming
- Prior art date
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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Tests Of Electronic Circuits (AREA)
- Logic Circuits (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Error Detection And Correction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742451711 DE2451711C3 (de) | 1974-10-31 | Verfahren zum Erzeugen zufallsähnlicher Binärzeichenfolgen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE834839A true BE834839A (fr) | 1976-02-16 |
Family
ID=5929670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE161223A BE834839A (fr) | 1974-10-31 | 1975-10-24 | Procede pour former des sequences de bits paraleatoires |
Country Status (9)
Country | Link |
---|---|
US (1) | US4032763A (fr) |
BE (1) | BE834839A (fr) |
CA (1) | CA1030270A (fr) |
CH (1) | CH604439A5 (fr) |
FR (1) | FR2290090A1 (fr) |
GB (1) | GB1517170A (fr) |
IT (1) | IT1043579B (fr) |
NL (1) | NL181245C (fr) |
NO (1) | NO141294C (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4142239A (en) * | 1977-06-29 | 1979-02-27 | The United States Of America As Represented By The Secretary Of The Army | Apparatus for generating digital streams having variable probabilities of error |
US4225935A (en) * | 1977-08-30 | 1980-09-30 | Sperry Corporation | Coding method and system with enhanced security |
US4202051A (en) * | 1977-10-03 | 1980-05-06 | Wisconsin Alumni Research Foundation | Digital data enciphering and deciphering circuit and method |
US4222514A (en) * | 1978-11-30 | 1980-09-16 | Sperry Corporation | Digital tester |
US4325129A (en) * | 1980-05-01 | 1982-04-13 | Motorola Inc. | Non-linear logic module for increasing complexity of bit sequences |
JPS5719806A (en) * | 1980-07-09 | 1982-02-02 | Toyota Central Res & Dev Lab Inc | Fluctuation driving device |
WO1983003723A1 (fr) * | 1982-04-05 | 1983-10-27 | Motorola Inc | Module logique non lineaire permettant d'accroitre la complexite de sequences de bits |
DE3484187D1 (de) * | 1983-12-24 | 1991-04-04 | Ant Nachrichtentech | Verfahren zum erzeugen zufallsaehnlicher binaerzeichenfolgen. |
CH664056A5 (de) * | 1984-11-02 | 1988-01-29 | Borer Communications Ag | Verfahren und vorrichtung fuer die umwandlung einer digitalen datensequenz in die verschluesselte form. |
US4933916A (en) * | 1985-11-01 | 1990-06-12 | Canadian Patents And Development Limited | Phase measurements using pseudo-random code |
FR2604809B1 (fr) * | 1986-10-07 | 1988-12-02 | Thomson Csf | Carte de controle permettant d'engendrer des codes secrets de grande longueur |
NL8700930A (nl) * | 1987-04-17 | 1988-11-16 | Hollandse Signaalapparaten Bv | Systeem van orthogonaal werkende codegeneratoren, radio's voorzien van een codegenerator en codegeneratoren van zo'n systeem. |
US5675649A (en) * | 1995-11-30 | 1997-10-07 | Electronic Data Systems Corporation | Process for cryptographic key generation and safekeeping |
EP1111785A1 (fr) * | 1999-12-22 | 2001-06-27 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Procédé et dispositif pour générer des séquences de bruit pseudo-aléatoires commandé par une horloge autogénérée |
DE10339999B4 (de) * | 2003-08-29 | 2005-07-14 | Infineon Technologies Ag | Pseudozufallszahlengenerator |
US7668613B2 (en) * | 2007-09-28 | 2010-02-23 | Rockwell Automation Technologies, Inc. | MES appliance integrated with control modules |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3366779A (en) * | 1965-07-20 | 1968-01-30 | Solartron Electronic Group | Random signal generator |
US3700806A (en) * | 1967-09-18 | 1972-10-24 | Csf | Key generators for cryptographic devices |
FR1576416A (fr) * | 1968-04-10 | 1969-08-01 | ||
US3609327A (en) * | 1969-10-22 | 1971-09-28 | Nasa | Feedback shift register with states decomposed into cycles of equal length |
BE757240A (fr) * | 1969-11-12 | 1971-03-16 | Ceskoslovenska Akademie Ved | Dispositif de connexion du generateur de la sequence binomiale accidentelle avec la convergence perfectionnee de la probabilite d'apparition de deux grandeurs vers la valeur 0 |
US3633015A (en) * | 1970-03-09 | 1972-01-04 | Francis F Lee | Adjustable cycle length pseudorandom sequence generator |
US3911216A (en) * | 1973-12-17 | 1975-10-07 | Honeywell Inf Systems | Nonlinear code generator and decoder for transmitting data securely |
US3920894A (en) * | 1974-03-11 | 1975-11-18 | Bell Telephone Labor Inc | Pseudo-random parallel word generator |
-
1975
- 1975-10-07 NO NO753376A patent/NO141294C/no unknown
- 1975-10-21 CH CH1363675A patent/CH604439A5/xx not_active IP Right Cessation
- 1975-10-22 IT IT28567/75A patent/IT1043579B/it active
- 1975-10-24 BE BE161223A patent/BE834839A/fr not_active IP Right Cessation
- 1975-10-30 US US05/627,312 patent/US4032763A/en not_active Expired - Lifetime
- 1975-10-30 GB GB45003/75A patent/GB1517170A/en not_active Expired
- 1975-10-30 FR FR7533246A patent/FR2290090A1/fr active Granted
- 1975-10-31 CA CA238,775A patent/CA1030270A/fr not_active Expired
- 1975-10-31 NL NLAANVRAGE7512813,A patent/NL181245C/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL7512813A (nl) | 1976-05-04 |
NL181245C (nl) | 1987-07-01 |
US4032763A (en) | 1977-06-28 |
IT1043579B (it) | 1980-02-29 |
DE2451711A1 (de) | 1976-05-13 |
CH604439A5 (fr) | 1978-09-15 |
CA1030270A (fr) | 1978-04-25 |
NO753376L (fr) | 1976-05-03 |
NL181245B (nl) | 1987-02-02 |
DE2451711B2 (de) | 1976-10-07 |
FR2290090A1 (fr) | 1976-05-28 |
NO141294B (no) | 1979-10-29 |
FR2290090B1 (fr) | 1979-03-16 |
GB1517170A (en) | 1978-07-12 |
NO141294C (no) | 1980-02-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: LICENTIA PATENT-VERWALTUNGS G.M.B.H. Effective date: 19901031 |