NO910658L - Kryptografisk anordning for blokkvis cifferbehandling basert paa pseudo-tilfeldige ulineaere sekvenser - Google Patents

Kryptografisk anordning for blokkvis cifferbehandling basert paa pseudo-tilfeldige ulineaere sekvenser

Info

Publication number
NO910658L
NO910658L NO91910658A NO910658A NO910658L NO 910658 L NO910658 L NO 910658L NO 91910658 A NO91910658 A NO 91910658A NO 910658 A NO910658 A NO 910658A NO 910658 L NO910658 L NO 910658L
Authority
NO
Norway
Prior art keywords
data
keystream
shift register
processing
indication
Prior art date
Application number
NO91910658A
Other languages
English (en)
Other versions
NO303257B1 (no
NO910658D0 (no
Inventor
Paul Moroney
Christopher John Bennett
Daniel Ray Kindred
Original Assignee
Gen 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 Gen Instrument Corp filed Critical Gen Instrument Corp
Publication of NO910658D0 publication Critical patent/NO910658D0/no
Publication of NO910658L publication Critical patent/NO910658L/no
Publication of NO303257B1 publication Critical patent/NO303257B1/no

Links

Classifications

    • 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
    • H04L9/0656Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
    • H04L9/0668Pseudorandom 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
    • 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
    • H04L9/0618Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0625Block 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12Details relating to cryptographic hardware or logic circuitry
NO910658A 1990-02-21 1991-02-19 Kryptografisk anordning for blokk-behandling basert pÕ pseudo-tilfeldige ulineµre sekvenser NO303257B1 (no)

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 (3)

Publication Number Publication Date
NO910658D0 NO910658D0 (no) 1991-02-19
NO910658L true NO910658L (no) 1991-08-22
NO303257B1 NO303257B1 (no) 1998-06-15

Family

ID=23916864

Family Applications (1)

Application Number Title Priority Date Filing Date
NO910658A NO303257B1 (no) 1990-02-21 1991-02-19 Kryptografisk anordning for blokk-behandling basert pÕ pseudo-tilfeldige ulineµre sekvenser

Country Status (10)

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

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US6049608A (en) * 1996-12-31 2000-04-11 University Technology Corporation Variable length nonlinear feedback shift registers with dynamically allocated taps
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US6108421A (en) * 1998-03-06 2000-08-22 Harris Corporation Method and apparatus for data encryption
US6269163B1 (en) 1998-06-15 2001-07-31 Rsa Security Inc. Enhanced block ciphers with data-dependent rotations
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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
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US6477252B1 (en) * 1999-08-29 2002-11-05 Intel Corporation Digital video content transmission ciphering and deciphering method and apparatus
DE60022165T2 (de) * 2000-04-26 2006-02-16 Alcatel Verfahren zur Erzeugung einer pseudozufälligen Sequenz von Mehrträger-Datensymbolen und Sender und Empfänger dafür
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
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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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US20180165441A1 (en) 2002-03-25 2018-06-14 Glenn Cobourn Everhart Systems and methods for multifactor authentication
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US7934083B2 (en) * 2007-09-14 2011-04-26 Kevin Norman Taylor Configurable access kernel
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Also Published As

Publication number Publication date
EP0443752A2 (en) 1991-08-28
IE910405A1 (en) 1991-08-28
AU7100291A (en) 1991-08-22
ATE130144T1 (de) 1995-11-15
DE69114324T2 (de) 1996-06-20
CA2036489A1 (en) 1991-08-22
NO303257B1 (no) 1998-06-15
AU634857B2 (en) 1993-03-04
JP3566311B2 (ja) 2004-09-15
EP0443752B1 (en) 1995-11-08
IE69271B1 (en) 1996-08-21
EP0443752A3 (en) 1992-10-21
DE69114324D1 (de) 1995-12-14
US5054067A (en) 1991-10-01
JPH04215689A (ja) 1992-08-06
NO910658D0 (no) 1991-02-19
KR0175663B1 (ko) 1999-05-15
CA2036489C (en) 2001-04-17

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