DE69529108D1 - Verschlüsselungseinrichtung - Google Patents

Verschlüsselungseinrichtung

Info

Publication number
DE69529108D1
DE69529108D1 DE69529108T DE69529108T DE69529108D1 DE 69529108 D1 DE69529108 D1 DE 69529108D1 DE 69529108 T DE69529108 T DE 69529108T DE 69529108 T DE69529108 T DE 69529108T DE 69529108 D1 DE69529108 D1 DE 69529108D1
Authority
DE
Germany
Prior art keywords
character stream
stream
option
presented
perturbation
Prior art date
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 - Lifetime
Application number
DE69529108T
Other languages
English (en)
Other versions
DE69529108T2 (de
Inventor
Jean Paul Boly
Rooij Peter Jacobus Nicolaa De
Gerrit Roelofsen
Tilburg Johan Van
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.)
Koninklijke KPN NV
Original Assignee
Koninklijke 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 Koninklijke KPN NV filed Critical Koninklijke KPN NV
Application granted granted Critical
Publication of DE69529108D1 publication Critical patent/DE69529108D1/de
Publication of DE69529108T2 publication Critical patent/DE69529108T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]

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)
  • Materials For Medical Uses (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Facsimile Transmission Control (AREA)
DE69529108T 1994-02-04 1995-01-27 Verschlüsselungseinrichtung Expired - Lifetime DE69529108T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9400176A NL9400176A (nl) 1994-02-04 1994-02-04 Cryptografische inrichting.

Publications (2)

Publication Number Publication Date
DE69529108D1 true DE69529108D1 (de) 2003-01-23
DE69529108T2 DE69529108T2 (de) 2003-09-25

Family

ID=19863790

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69529108T Expired - Lifetime DE69529108T2 (de) 1994-02-04 1995-01-27 Verschlüsselungseinrichtung

Country Status (5)

Country Link
EP (1) EP0666663B1 (de)
AT (1) ATE229715T1 (de)
CA (1) CA2141724A1 (de)
DE (1) DE69529108T2 (de)
NL (1) NL9400176A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1000741C2 (nl) * 1995-07-06 1997-01-08 Nederland Ptt Werkwijze voor het traceren van betalingsgegevens in een anoniem betalingssysteem, alsmede betalingssysteem waarin de werkwijze wordt toegepast
GB9903900D0 (en) 1999-02-19 1999-04-14 Digital Gramaphone And Wireles Data encoding/decoding device and apparatus using the same
JP4781852B2 (ja) 2006-03-07 2011-09-28 花王株式会社 しわ除去剤組成物

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4447672A (en) * 1980-10-06 1984-05-08 Nippon Electric Co., Ltd. Device for encrypting each input data bit by at least one keying bit decided by a code pattern and a bit pattern of a predetermined number of preceding encrypted bits
US4815130A (en) * 1986-10-03 1989-03-21 Communications Satellite Corporation Stream cipher system with feedback

Also Published As

Publication number Publication date
CA2141724A1 (en) 1995-08-03
EP0666663B1 (de) 2002-12-11
ATE229715T1 (de) 2002-12-15
NL9400176A (nl) 1995-09-01
EP0666663A1 (de) 1995-08-09
DE69529108T2 (de) 2003-09-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition