DE69114324T2 - Einrichtung zur Blockchiffrierung, welche auf der Anwendung eines nichtlinearen Pseudozufallsfolgengenerators beruht. - Google Patents

Einrichtung zur Blockchiffrierung, welche auf der Anwendung eines nichtlinearen Pseudozufallsfolgengenerators beruht.

Info

Publication number
DE69114324T2
DE69114324T2 DE69114324T DE69114324T DE69114324T2 DE 69114324 T2 DE69114324 T2 DE 69114324T2 DE 69114324 T DE69114324 T DE 69114324T DE 69114324 T DE69114324 T DE 69114324T DE 69114324 T2 DE69114324 T2 DE 69114324T2
Authority
DE
Germany
Prior art keywords
data
keystream
shift register
processing
indication
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 - Fee Related
Application number
DE69114324T
Other languages
English (en)
Other versions
DE69114324D1 (de
Inventor
Paul Moroney
Christopher John Bennett
Daniel Ray Kindred
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.)
Arris Technology Inc
Original Assignee
Arris Technology Inc
General Instrument Corp
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 Arris Technology Inc, General Instrument Corp filed Critical Arris Technology Inc
Application granted granted Critical
Publication of DE69114324D1 publication Critical patent/DE69114324D1/de
Publication of DE69114324T2 publication Critical patent/DE69114324T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H04L9/0668—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 producing a non-linear pseudorandom sequence
    • 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
    • H04L9/0625—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation with splitting of the data block into left and right halves, e.g. Feistel based algorithms, DES, FEAL, IDEA or KASUMI
    • 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
DE69114324T 1990-02-21 1991-02-06 Einrichtung zur Blockchiffrierung, welche auf der Anwendung eines nichtlinearen Pseudozufallsfolgengenerators beruht. Expired - Fee Related DE69114324T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/482,644 US5054067A (en) 1990-02-21 1990-02-21 Block-cipher cryptographic device based upon a pseudorandom nonlinear sequence generator

Publications (2)

Publication Number Publication Date
DE69114324D1 DE69114324D1 (de) 1995-12-14
DE69114324T2 true DE69114324T2 (de) 1996-06-20

Family

ID=23916864

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69114324T Expired - Fee Related DE69114324T2 (de) 1990-02-21 1991-02-06 Einrichtung zur Blockchiffrierung, welche auf der Anwendung eines nichtlinearen Pseudozufallsfolgengenerators beruht.

Country Status (10)

Country Link
US (1) US5054067A (de)
EP (1) EP0443752B1 (de)
JP (1) JP3566311B2 (de)
KR (1) KR0175663B1 (de)
AT (1) ATE130144T1 (de)
AU (1) AU634857B2 (de)
CA (1) CA2036489C (de)
DE (1) DE69114324T2 (de)
IE (1) IE69271B1 (de)
NO (1) NO303257B1 (de)

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US6304657B1 (en) * 1999-05-26 2001-10-16 Matsushita Electric Industrial Co., Ltd. Data encryption apparatus using odd number of shift-rotations and method
ATE403992T1 (de) 1999-06-22 2008-08-15 Hitachi Ltd Kryptografisches gerät und verfahren
US7058817B1 (en) 1999-07-02 2006-06-06 The Chase Manhattan Bank System and method for single sign on process for websites with multiple applications and services
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US6477252B1 (en) * 1999-08-29 2002-11-05 Intel Corporation Digital video content transmission ciphering and deciphering method and apparatus
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JP3770584B2 (ja) * 2000-10-31 2006-04-26 シャープ株式会社 暗号鍵生成回路
JP3724399B2 (ja) * 2001-01-23 2005-12-07 株式会社日立製作所 疑似乱数生成装置またはそれを用いた暗号復号処理装置
US8849716B1 (en) 2001-04-20 2014-09-30 Jpmorgan Chase Bank, N.A. System and method for preventing identity theft or misuse by restricting access
US7689506B2 (en) 2001-06-07 2010-03-30 Jpmorgan Chase Bank, N.A. System and method for rapid updating of credit information
KR100403820B1 (ko) * 2001-07-03 2003-10-30 삼성에스디에스 주식회사 암호화 처리장치 그 방법
US7266839B2 (en) 2001-07-12 2007-09-04 J P Morgan Chase Bank System and method for providing discriminated content to network users
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US7987501B2 (en) 2001-12-04 2011-07-26 Jpmorgan Chase Bank, N.A. System and method for single session sign-on
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US20180165441A1 (en) 2002-03-25 2018-06-14 Glenn Cobourn Everhart Systems and methods for multifactor authentication
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US20080109502A1 (en) * 2004-09-30 2008-05-08 Benjamin Aaron Gittins Method And Apparatus For Partitioning Of A Bitstream
US8099369B2 (en) * 2004-12-08 2012-01-17 Ngna, Llc Method and system for securing content in media systems
KR100675837B1 (ko) * 2004-12-13 2007-01-29 한국전자통신연구원 고속 ｇｃｍ-ａｅｓ 블록 암호화 장치 및 방법
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US7933410B2 (en) * 2005-02-16 2011-04-26 Comcast Cable Holdings, Llc System and method for a variable key ladder
DE102006030325B4 (de) * 2006-06-30 2009-12-31 Gerhard Kosel Verfahren für die Konstruktion eines Schlüsselstrom-Generators zur Erzeugung von Pseudo-Zufallszahlen für kryptographische Anwendungen
US7934083B2 (en) * 2007-09-14 2011-04-26 Kevin Norman Taylor Configurable access kernel
US8712040B2 (en) * 2010-01-22 2014-04-29 Harlan J. Brothers Data-conditioned encryption method
US10084818B1 (en) 2012-06-07 2018-09-25 Amazon Technologies, Inc. Flexibly configurable data modification services
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CN107113163B (zh) * 2014-12-17 2021-01-22 瑞典爱立信有限公司 流加密技术
US11115185B2 (en) * 2019-03-22 2021-09-07 Rosemount Aerospace Inc. Highly secure WAIC baseband signal transmission with byte displacement approach
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Also Published As

Publication number Publication date
AU634857B2 (en) 1993-03-04
IE69271B1 (en) 1996-08-21
IE910405A1 (en) 1991-08-28
ATE130144T1 (de) 1995-11-15
AU7100291A (en) 1991-08-22
CA2036489C (en) 2001-04-17
EP0443752A2 (de) 1991-08-28
DE69114324D1 (de) 1995-12-14
NO303257B1 (no) 1998-06-15
US5054067A (en) 1991-10-01
KR0175663B1 (ko) 1999-05-15
EP0443752A3 (en) 1992-10-21
EP0443752B1 (de) 1995-11-08
NO910658D0 (no) 1991-02-19
CA2036489A1 (en) 1991-08-22
JPH04215689A (ja) 1992-08-06
NO910658L (no) 1991-08-22
JP3566311B2 (ja) 2004-09-15

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee