EP1179243A4 - Moteur cryptographique utilisant la conversion de base de numeration, des operations logiques et un generateur de nombres pseudo-aleatoires pour des matrices de donnees de fa on a augmenter la dispersion dans le texte chiffre - Google Patents

Moteur cryptographique utilisant la conversion de base de numeration, des operations logiques et un generateur de nombres pseudo-aleatoires pour des matrices de donnees de fa on a augmenter la dispersion dans le texte chiffre

Info

Publication number
EP1179243A4
EP1179243A4 EP99927081A EP99927081A EP1179243A4 EP 1179243 A4 EP1179243 A4 EP 1179243A4 EP 99927081 A EP99927081 A EP 99927081A EP 99927081 A EP99927081 A EP 99927081A EP 1179243 A4 EP1179243 A4 EP 1179243A4
Authority
EP
European Patent Office
Prior art keywords
prng
ciphertext
logic operations
cryptographic engine
data arrays
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.)
Withdrawn
Application number
EP99927081A
Other languages
German (de)
English (en)
Other versions
EP1179243A1 (fr
Inventor
Richard C Satterfield
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from PCT/US1999/010967 external-priority patent/WO2000070819A1/fr
Publication of EP1179243A1 publication Critical patent/EP1179243A1/fr
Publication of EP1179243A4 publication Critical patent/EP1179243A4/fr
Withdrawn legal-status Critical Current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
    • H04L9/0618—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
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
    • 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
    • H04L2209/04—Masking or blinding
    • 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)
EP99927081A 1999-05-18 1999-05-18 Moteur cryptographique utilisant la conversion de base de numeration, des operations logiques et un generateur de nombres pseudo-aleatoires pour des matrices de donnees de fa on a augmenter la dispersion dans le texte chiffre Withdrawn EP1179243A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1999/010967 WO2000070819A1 (fr) 1998-02-07 1999-05-18 Moteur cryptographique utilisant la conversion de base de numeration, des operations logiques et un generateur de nombres pseudo-aleatoires pour des matrices de donnees de façon a augmenter la dispersion dans le texte chiffre

Publications (2)

Publication Number Publication Date
EP1179243A1 EP1179243A1 (fr) 2002-02-13
EP1179243A4 true EP1179243A4 (fr) 2005-07-20

Family

ID=22272781

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99927081A Withdrawn EP1179243A4 (fr) 1999-05-18 1999-05-18 Moteur cryptographique utilisant la conversion de base de numeration, des operations logiques et un generateur de nombres pseudo-aleatoires pour des matrices de donnees de fa on a augmenter la dispersion dans le texte chiffre

Country Status (3)

Country Link
EP (1) EP1179243A4 (fr)
JP (1) JP2003500681A (fr)
CA (1) CA2371452A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005309148A (ja) * 2004-04-22 2005-11-04 Hitachi Ltd データ変換装置およびデータ変換方法
KR20070042511A (ko) * 2004-06-14 2007-04-23 디 유니버시티 오브 노스 캐롤라이나 앳 그린스보로 디지털 콘텐트 보안 시스템 및 방법
CN113542196B (zh) * 2020-04-16 2023-03-24 北京威努特技术有限公司 一种数据报文加密判定方法、装置、系统及存储介质

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
RIVEST R L: "THE RC5 ENCRYPTION ALGORITHM", FAST SOFTWARE ENCRYPTION. INTERNATIONAL WORKSHOP, 1995, pages 86 - 95, XP000890159 *
SCHNEIER, B.: "Applied Cryptography, Protocols, Algorithms and Source Code in C, Second Edition", 1996, JOHN WILEY & SONS, INC., NEW YORK, XP002329180, 218930 *
See also references of WO0070819A1 *

Also Published As

Publication number Publication date
JP2003500681A (ja) 2003-01-07
CA2371452A1 (fr) 2000-11-23
EP1179243A1 (fr) 2002-02-13

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