DK0399587T3 - Fremgangsmåde til kodning af meddelelser, der hver gang består af en række af mindst et symbol - Google Patents

Fremgangsmåde til kodning af meddelelser, der hver gang består af en række af mindst et symbol

Info

Publication number
DK0399587T3
DK0399587T3 DK90201136.0T DK90201136T DK0399587T3 DK 0399587 T3 DK0399587 T3 DK 0399587T3 DK 90201136 T DK90201136 T DK 90201136T DK 0399587 T3 DK0399587 T3 DK 0399587T3
Authority
DK
Denmark
Prior art keywords
bits
series
register
contents
good statistical
Prior art date
Application number
DK90201136.0T
Other languages
English (en)
Inventor
Jean Paul Boly
Gerrit Roelofsen
Original Assignee
Nederland Ptt
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 Nederland Ptt filed Critical Nederland Ptt
Application granted granted Critical
Publication of DK0399587T3 publication Critical patent/DK0399587T3/da

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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • 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
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Facsimile Transmission Control (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Optical Communication System (AREA)
  • Peptides Or Proteins (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measuring Volume Flow (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
DK90201136.0T 1989-05-26 1990-05-21 Fremgangsmåde til kodning af meddelelser, der hver gang består af en række af mindst et symbol DK0399587T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8901323A NL8901323A (nl) 1989-05-26 1989-05-26 Werkwijze voor het vercijferen van een reeks telkens uit tenminste een symbool bestaande boodschappen.

Publications (1)

Publication Number Publication Date
DK0399587T3 true DK0399587T3 (da) 1994-06-27

Family

ID=19854718

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90201136.0T DK0399587T3 (da) 1989-05-26 1990-05-21 Fremgangsmåde til kodning af meddelelser, der hver gang består af en række af mindst et symbol

Country Status (9)

Country Link
EP (1) EP0399587B1 (da)
AT (1) ATE101950T1 (da)
DE (2) DE399587T1 (da)
DK (1) DK0399587T3 (da)
ES (1) ES2019572T3 (da)
FI (1) FI108324B (da)
GR (1) GR900300193T1 (da)
NL (1) NL8901323A (da)
NO (1) NO303610B1 (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7587044B2 (en) 1998-01-02 2009-09-08 Cryptography Research, Inc. Differential power analysis method and apparatus
US6278783B1 (en) 1998-06-03 2001-08-21 Cryptography Research, Inc. Des and other cryptographic, processes with leak minimization for smartcards and other cryptosystems
EP1933496A3 (en) * 1998-06-03 2012-06-13 Cryptography Research Inc. Improved DES and other cryptographic processes with leak minimization for smartcards and other cryptosystems
NL1011719C2 (nl) 1999-04-01 2000-10-03 Koninkl Kpn Nv Werkwijze voor het met toepassing van een functie en een sleutel vercijferen van een reeks symbolen.
GB2450131B (en) * 2007-06-13 2009-05-06 Ingenia Holdings Fuzzy Keys

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4301327A (en) * 1979-06-05 1981-11-17 Lee Lin Nan Reduction of message redundancy by multiple substitution: a message preprocessing scheme for secure communications
NL8203737A (nl) * 1982-09-27 1984-04-16 Nederlanden Staat Inrichting voor vercijfering van digitale signalen met een of meer des-schakelingen.
US4760599A (en) * 1985-11-07 1988-07-26 Nec Corporation Data encryptor

Also Published As

Publication number Publication date
NO303610B1 (no) 1998-08-03
EP0399587A1 (en) 1990-11-28
DE69006774T2 (de) 1994-08-11
ES2019572T3 (es) 1994-05-01
DE69006774D1 (de) 1994-03-31
FI902591A0 (fi) 1990-05-24
ES2019572A4 (es) 1991-07-01
GR900300193T1 (en) 1991-10-10
DE399587T1 (de) 1991-02-28
NO902337D0 (no) 1990-05-25
FI108324B (fi) 2001-12-31
NL8901323A (nl) 1990-12-17
EP0399587B1 (en) 1994-02-23
NO902337L (no) 1990-11-27
ATE101950T1 (de) 1994-03-15

Similar Documents

Publication Publication Date Title
US4322577A (en) Cryptosystem
JP3188940B2 (ja) 暗号化システム
JP2848036B2 (ja) 擬似ランダム信号の保護方法
WO2000051244A8 (en) A fuzzy commitment scheme
KR19990002840A (ko) 차분 해독법과 선형 해독법에 대해서 안전성을 보장하는 고속 블럭 암호 알고리즘
US20170366339A1 (en) Method of encryption with dynamic diffusion and confusion layers
Aung et al. A complex polyalphabetic cipher technique myanmar polyalphabetic cipher
DK0399587T3 (da) Fremgangsmåde til kodning af meddelelser, der hver gang består af en række af mindst et symbol
WO1994021066A1 (en) A method and apparatus for generating a digital message authentication code
Kaur et al. 3D (4 X 4 X 4)-Playfair Cipher
Selvakumar et al. Fundamental circuits and cut-sets used in cryptography
Balogun et al. Multiple Caesar cypher encryption algorithm
KR20160099864A (ko) 블록암호 lea 의 암호화/복호화 장치
Iqbal et al. Enhanced the security of playfair technique using excess 3 code (XS3) and ceasar cipher
JPH04335730A (ja) 暗号送信装置、暗号受信装置、暗号通信システム
Hassan et al. Network security by block ciphers
Chauhan Conversion of stream cipher into block cipher
RU2701128C1 (ru) Способ шифрования двоичной информации
JPH0591101A (ja) 暗号化装置及び復号化装置
Kallick A Modified Simple Substitution Cipher With Unbounded Unicity Distance
KR102123586B1 (ko) 균등분포를 갖는 무작위 행렬을 이용한 일회용 암호화 방법
Kuppusamy et al. Two‐Key Dependent Permutation for Use in Symmetric Cryptographic System
Hwang A new redundancy reducing cipher
Nagaraj et al. Formal method of encryption using 9’s complement
Vennila et al. An Extension to Traditional Qwerty Cryptographic Method