IT1257882B - Dispositivo a codice - Google Patents

Dispositivo a codice

Info

Publication number
IT1257882B
IT1257882B IT02086390A IT2086390A IT1257882B IT 1257882 B IT1257882 B IT 1257882B IT 02086390 A IT02086390 A IT 02086390A IT 2086390 A IT2086390 A IT 2086390A IT 1257882 B IT1257882 B IT 1257882B
Authority
IT
Italy
Prior art keywords
code device
code
Prior art date
Application number
IT02086390A
Other languages
English (en)
Other versions
IT9020863A0 (it
IT9020863A1 (it
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
Priority claimed from DE19893924144 external-priority patent/DE3924144C1/de
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of IT9020863A0 publication Critical patent/IT9020863A0/it
Publication of IT9020863A1 publication Critical patent/IT9020863A1/it
Application granted granted Critical
Publication of IT1257882B publication Critical patent/IT1257882B/it

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
    • H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
    • 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
    • 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
    • H04L2209/80—Wireless

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Amplifiers (AREA)
  • Glass Compositions (AREA)
  • Discharge Of Articles From Conveyors (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IT02086390A 1989-07-20 1990-07-05 Dispositivo a codice IT1257882B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893924144 DE3924144C1 (de) 1988-07-29 1989-07-20 Schlüsseleinrichtung

Publications (3)

Publication Number Publication Date
IT9020863A0 IT9020863A0 (it) 1990-07-05
IT9020863A1 IT9020863A1 (it) 1992-01-05
IT1257882B true IT1257882B (it) 1996-02-16

Family

ID=6385531

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02086390A IT1257882B (it) 1989-07-20 1990-07-05 Dispositivo a codice

Country Status (5)

Country Link
US (1) US5511124A (it)
FR (1) FR2723280A1 (it)
GB (2) GB9011290D0 (it)
IT (1) IT1257882B (it)
NL (1) NL9001602A (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5363448A (en) * 1993-06-30 1994-11-08 United Technologies Automotive, Inc. Pseudorandom number generation and cryptographic authentication
US5377270A (en) * 1993-06-30 1994-12-27 United Technologies Automotive, Inc. Cryptographic authentication of transmitted messages using pseudorandom numbers
US5680131A (en) * 1993-10-29 1997-10-21 National Semiconductor Corporation Security system having randomized synchronization code after power up
GB2293719A (en) * 1994-09-29 1996-04-03 Northern Telecom Ltd A secure communications system
JP4045777B2 (ja) * 2001-10-30 2008-02-13 株式会社日立製作所 情報処理装置
US8396178B1 (en) 2010-08-31 2013-03-12 Siklu Communication ltd. Distributing clock associated with a wired data connection over wireless interfaces using frequency correction at the transmitter side
US8311171B1 (en) * 2010-08-31 2012-11-13 Siklu Communication ltd. Distributing clock associated with a wired communication channel over wireless interfaces by sending a clock correction message to the receiving side

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886313A (en) * 1972-09-29 1975-05-27 Datotek Voice security method and system
US4365110A (en) * 1979-06-05 1982-12-21 Communications Satellite Corporation Multiple-destinational cryptosystem for broadcast networks
US4369434A (en) * 1979-12-20 1983-01-18 Gretag Aktiengesellschaft Enciphering/deciphering system
US4401854A (en) * 1981-08-03 1983-08-30 Bell Telephone Laboratories, Incorporated Simultaneous transmission of an analog message signal and a digital data signal
JPH0775343B2 (ja) * 1986-02-14 1995-08-09 株式会社日立製作所 同期検出回路及び方法
US5003599A (en) * 1989-02-07 1991-03-26 Simulation Laboratories, Inc. In-band framing method and apparatus

Also Published As

Publication number Publication date
GB9011290D0 (en) 1995-11-08
US5511124A (en) 1996-04-23
GB9015840D0 (en) 1995-11-22
GB2292504B (en) 1996-04-17
NL9001602A (nl) 1997-03-03
IT9020863A0 (it) 1990-07-05
IT9020863A1 (it) 1992-01-05
GB2292504A (en) 1996-02-21
FR2723280A1 (fr) 1996-02-02

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970730