IL63102A - System for enciphering messages - Google Patents

System for enciphering messages

Info

Publication number
IL63102A
IL63102A IL63102A IL6310281A IL63102A IL 63102 A IL63102 A IL 63102A IL 63102 A IL63102 A IL 63102A IL 6310281 A IL6310281 A IL 6310281A IL 63102 A IL63102 A IL 63102A
Authority
IL
Israel
Prior art keywords
enciphering
messages
enciphering messages
Prior art date
Application number
IL63102A
Other languages
English (en)
Other versions
IL63102A0 (en
Original Assignee
Oak Industries Inc
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 Oak Industries Inc filed Critical Oak Industries Inc
Publication of IL63102A0 publication Critical patent/IL63102A0/xx
Publication of IL63102A publication Critical patent/IL63102A/xx

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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/601—Broadcast encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Circuits Of Receivers In General (AREA)
IL63102A 1980-06-19 1981-06-15 System for enciphering messages IL63102A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16098580A 1980-06-19 1980-06-19

Publications (2)

Publication Number Publication Date
IL63102A0 IL63102A0 (en) 1981-09-13
IL63102A true IL63102A (en) 1984-03-30

Family

ID=22579317

Family Applications (1)

Application Number Title Priority Date Filing Date
IL63102A IL63102A (en) 1980-06-19 1981-06-15 System for enciphering messages

Country Status (11)

Country Link
JP (1) JPS5730438A (nl)
AU (1) AU539774B2 (nl)
BR (1) BR8103848A (nl)
CA (1) CA1162623A (nl)
DE (1) DE3124150C2 (nl)
FR (1) FR2485305A1 (nl)
GB (1) GB2079109B (nl)
GR (1) GR74584B (nl)
IL (1) IL63102A (nl)
MX (1) MX150514A (nl)
NL (1) NL8102940A (nl)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1177558A (en) * 1982-04-15 1984-11-06 Groupe Videotron Ltee. (Le) Cable network data transmission system
US4531020A (en) * 1982-07-23 1985-07-23 Oak Industries Inc. Multi-layer encryption system for the broadcast of encrypted information
JPH0614641B2 (ja) * 1983-03-29 1994-02-23 富士通株式会社 鍵情報配送処理方式
JPS6032449A (ja) * 1983-08-01 1985-02-19 Matsushita Electric Ind Co Ltd 暗号化デジタル放送装置
EP0167442A3 (en) * 1984-06-29 1986-12-30 Fairchild Weston Systems Inc. Secure communication system
US4751732A (en) * 1984-07-06 1988-06-14 Kabushiki Kaisha Toshiba Broadcasting system
JPS6120442A (ja) * 1984-07-09 1986-01-29 Toshiba Corp 有料放送方式
DE3439120A1 (de) * 1984-10-25 1986-05-07 Philips Kommunikations Industrie AG, 8500 Nürnberg Verfahren zur identifizierung einer teilnehmerstation eines fernmeldenetzes
DE3501178A1 (de) * 1985-01-16 1986-07-17 Blaupunkt-Werke Gmbh, 3200 Hildesheim Verfahren und schaltungsanordnung zur verhinderung des unberechtigten empfangs verschluesselter fernsehsignale
JPH0685517B2 (ja) * 1985-06-28 1994-10-26 ソニー株式会社 情報サ−ビスシステム
US4866770A (en) * 1986-07-08 1989-09-12 Scientific Atlanta, Inc. Method and apparatus for communication of video, audio, teletext, and data to groups of decoders in a communication system
DE3715081A1 (de) * 1987-05-06 1988-11-17 Siemens Ag Verfahren zur verschluesselung von digitalen bildsignalen
DE3731532A1 (de) * 1987-09-18 1989-03-30 Siemens Ag Verfahren zur uebertragung von verschluesselten bildsignalen
DE3822354A1 (de) * 1988-07-01 1990-01-04 Siemens Ag Verfahren und anordnung zur verwuerfelung von bildsignalen
DE4419634A1 (de) * 1994-06-04 1995-12-07 Esd Vermoegensverwaltungsgesel Entschlüsselungseinrichtung von digitalen Informationen und Verfahren zur Durchführung der Ver- und Entschlüsselung dieser
DE4420967C2 (de) * 1994-06-16 2000-02-10 Esd Vermoegensverwaltungsgesel Entschlüsselungseinrichtung von digitalen Informationen und Verfahren zur Durchführung der Ver- und Entschlüsselung dieser mit Hilfe der Entschlüsselungseinrichtung
DE4420970A1 (de) * 1994-06-16 1995-12-21 Esd Vermoegensverwaltungsgesel Entschlüsselungseinrichtung von Entschlüsselungsalgorithmen und Verfahren zur Durchführung der Ver- und Entschlüsselung derselben
DE19619299A1 (de) * 1996-05-13 1997-12-18 Siemens Ag Schlüsselverteilung im FDDI-Übertragungsnetz
DE19649292A1 (de) * 1996-11-28 1998-06-04 Deutsche Telekom Ag Verfahren zum Sichern eines durch eine Schlüsselhierarchie geschützten Systems
GB2393367B (en) * 1999-04-16 2004-05-26 Fujitsu Ltd Optical line terminal
JP4201430B2 (ja) 1999-04-16 2008-12-24 富士通株式会社 光加入者線終端装置
GB2355819A (en) * 1999-10-26 2001-05-02 Marconi Comm Ltd Authentication of data and software
GB2367726B (en) * 2000-10-07 2003-04-23 Complementary Tech Ltd Communications with remote embedded applications

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH516854A (de) * 1969-11-29 1971-12-15 Ciba Geigy Ag Verfahren und Vorrichtung zur chiffrierten Übermittlung von Informationen
DE2706421C2 (de) * 1977-02-16 1979-03-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum Einstellen von Schlüsseltextgeneratoren in Chiffriergeräten
CH604432A5 (nl) * 1977-03-16 1978-09-15 Europ Handelsges Anst

Also Published As

Publication number Publication date
GR74584B (nl) 1984-06-29
AU7187181A (en) 1981-12-24
GB2079109A (en) 1982-01-13
BR8103848A (pt) 1982-03-09
FR2485305A1 (fr) 1981-12-24
JPS63976B2 (nl) 1988-01-09
AU539774B2 (en) 1984-10-18
GB2079109B (en) 1984-04-11
MX150514A (es) 1984-05-16
JPS5730438A (en) 1982-02-18
DE3124150C2 (de) 1985-03-28
IL63102A0 (en) 1981-09-13
CA1162623A (en) 1984-02-21
NL8102940A (nl) 1982-01-18
DE3124150A1 (de) 1982-03-18

Similar Documents

Publication Publication Date Title
IL63102A (en) System for enciphering messages
DE3160571D1 (en) Laser object-designation system
DE3162403D1 (en) Method and system for transmitting signed messages
ZA815926B (en) Event-logging system
GB2077482B (en) Coolant system decontamination
BG35575A1 (en) Multimicroprocessor system
DE3165462D1 (en) Teledistribution system
JPS5752292A (en) Time division exchange system
GB8330118D0 (en) Micro-cryogenic system
DE3265045D1 (en) Message transmission system
ZA817511B (en) Low-energy extruder-pump system
JPS56163850A (en) Following system for relative location
GB2082359B (en) Lamp-dimming system
GB2072114B (en) Blade retention system
GB2075043B (en) Surfactant system
DE3265317D1 (en) Laser system
JPS57005629A (en) Feeding system
HUT34649A (en) Sinchronizing system
GB2105954B (en) System for tele-locating regenerative repeaters
JPS5713481A (en) Character generating system
IL70514A (en) Switch-while-scan system
GB2077213B (en) Conveying system
GB2108752B (en) Laser system
CS192781A1 (en) System dalkoveho ovladani barviciho zarizeni u tiskovych stroju
GB2074808B (en) Missile-guidance system