ATE269614T1 - Kryptografische datenverarbeitung unter verwendung einer kaskadierung kryptografischer elemente in einer rückkoppelung - Google Patents

Kryptografische datenverarbeitung unter verwendung einer kaskadierung kryptografischer elemente in einer rückkoppelung

Info

Publication number
ATE269614T1
ATE269614T1 AT95200632T AT95200632T ATE269614T1 AT E269614 T1 ATE269614 T1 AT E269614T1 AT 95200632 T AT95200632 T AT 95200632T AT 95200632 T AT95200632 T AT 95200632T AT E269614 T1 ATE269614 T1 AT E269614T1
Authority
AT
Austria
Prior art keywords
cryptographic
processing
starting value
data packets
basis
Prior art date
Application number
AT95200632T
Other languages
English (en)
Inventor
Lange Martin Klaas De
Jean Paul Boly
Original Assignee
Koninkl Kpn Nv
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 Koninkl Kpn Nv filed Critical Koninkl Kpn Nv
Application granted granted Critical
Publication of ATE269614T1 publication Critical patent/ATE269614T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478Provisions for broadband connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic 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
    • H04L9/065Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/54Store-and-forward switching systems 
    • H04L12/56Packet switching systems
    • H04L12/5601Transfer mode dependent, e.g. ATM
    • H04L2012/5672Multiplexing, e.g. coding, scrambling
    • H04L2012/5673Coding or scrambling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/54Store-and-forward switching systems 
    • H04L12/56Packet switching systems
    • H04L12/5601Transfer mode dependent, e.g. ATM
    • H04L2012/5687Security aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Storage Device Security (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT95200632T 1994-03-18 1995-03-15 Kryptografische datenverarbeitung unter verwendung einer kaskadierung kryptografischer elemente in einer rückkoppelung ATE269614T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9400428A NL9400428A (nl) 1994-03-18 1994-03-18 Inrichting voor het cryptografisch bewerken van datapakketten, alsmede werkwijze voor het genereren van cryptografische bewerkingsdata.

Publications (1)

Publication Number Publication Date
ATE269614T1 true ATE269614T1 (de) 2004-07-15

Family

ID=19863961

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95200632T ATE269614T1 (de) 1994-03-18 1995-03-15 Kryptografische datenverarbeitung unter verwendung einer kaskadierung kryptografischer elemente in einer rückkoppelung

Country Status (7)

Country Link
US (1) US5809147A (de)
EP (1) EP0673133B1 (de)
AT (1) ATE269614T1 (de)
CA (1) CA2144831C (de)
DE (1) DE69533147T2 (de)
ES (1) ES2223047T3 (de)
NL (1) NL9400428A (de)

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Also Published As

Publication number Publication date
CA2144831A1 (en) 1995-09-19
EP0673133A1 (de) 1995-09-20
ES2223047T3 (es) 2005-02-16
DE69533147D1 (de) 2004-07-22
EP0673133B1 (de) 2004-06-16
DE69533147T2 (de) 2005-07-21
US5809147A (en) 1998-09-15
NL9400428A (nl) 1995-11-01
CA2144831C (en) 1998-10-06

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