ES2097742T3 - Generador de serie de claves. - Google Patents

Generador de serie de claves.

Info

Publication number
ES2097742T3
ES2097742T3 ES89304574T ES89304574T ES2097742T3 ES 2097742 T3 ES2097742 T3 ES 2097742T3 ES 89304574 T ES89304574 T ES 89304574T ES 89304574 T ES89304574 T ES 89304574T ES 2097742 T3 ES2097742 T3 ES 2097742T3
Authority
ES
Spain
Prior art keywords
stage
polynomial code
shifted
logic elements
shift register
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
ES89304574T
Other languages
English (en)
Inventor
David S Brown
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 ES2097742T3 publication Critical patent/ES2097742T3/es
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
    • 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
    • H04L2209/12—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)
  • Error Detection And Correction (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Lock And Its Accessories (AREA)
  • Telephone Function (AREA)
  • Cosmetics (AREA)
  • Shift Register Type Memory (AREA)
  • Storage Device Security (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

GENERADOR DE CLAVES QUE INCLUYE AL MENOS DOS ESTRUCTURAS DE REGISTRO DE DESPLAZAMIENTO DE RETROALIMENTACION (10,12). CADA ESTRUCTURA TIENE UNA ENTRADA, UNAS FASES DE ENTRADA, INTERMEDIA Y DE SALIDA A TRAVES DE LAS CUALES LOS BITS DE DATOS SE DESPLAZAN EN SERIE EN RESPUESTA A UNA SEÑAL DE RELOJ, UNA PLURALIDAD DE ELEMENTOS LOGICOS (36,38,39) SITUADOS RESPECTIVAMENTE ENTRE PARES PREDETERMINADOS DE FASES DE REGISTRO, UN ELEMENTO (48) PARA ALIMENTAR EL BIT DE DATOS DESPLAZADO DESDE LA FASE DE SALIDA A LA FASE DE ENTRADA Y A ALGUNOS DE LOS ELEMENTOS LOGICOS DE ACUERDO CON UN CODIGO POLINOMIAL. LOS ELEMENTOS LOGICOS (36,38,39) PROCESAN UN BIT DE DATOS DESPLAZADO DESDE LA FASE PRECEDENTE SIENDO EL BIT DE DATOS REALIMENTADO DESDE LA FASE DE SALIDA DE ACUERDO CON EL CODIGO POLINOMIAL PARA SU ENTRADA EN LA SIGUIENTE FASE DE REGISTRO. LA ESTRUCTURA INCLUYE ADEMAS UNOS ELEMENTOS (16,29,30) PARA PROCESAR LOS BITS DE DATOS DESPLAZADOS DE UNA FASE PREDETERMINADA DE CADA ESTRUCTURA DE REGISTRO DE DESPLAZAMIENTO PARA PROPORCIONAR UNA SERIE DE CLAVES (44), Y UNOS ELEMENTOS (31,32) PARA VARIAR EL CODIGO POLINOMIAL DE AL MENOS UNA (10) DE LAS ESTRUCTURAS DE REGISTRO DE DESPLAZAMIENTO APLICANDO A LOS ELEMENTOS LOGICOS (39) UNA SEÑAL DE CODIGO POLINOMIAL QUE VARIA DE ACUERDO CON EL CONTENIDO DE LOS BITS DE DATOS DESPLAZADOS DE UNA FASE DE REGISTRO PREDETERMINADA. EL CODIGO POLINOMIAL DE UNA (12) DE LAS ESTRUCTURAS DE RESGISTRO DE DESPLAZAMIENTO NO VARIA EN RESPUESTA A LA SEÑAL DE CODIGO POLINOMIAL. LOS BITS QUE ORIGINAN LA SEÑAL DE CODIGO POLINOMIAL A VARIAR NO ESTAN INCLUIDOS EN LA SERIE DE CLAVES.
ES89304574T 1988-05-17 1989-05-05 Generador de serie de claves. Expired - Lifetime ES2097742T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/194,850 US4860353A (en) 1988-05-17 1988-05-17 Dynamic feedback arrangement scrambling technique keystream generator

Publications (1)

Publication Number Publication Date
ES2097742T3 true ES2097742T3 (es) 1997-04-16

Family

ID=22719132

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89304574T Expired - Lifetime ES2097742T3 (es) 1988-05-17 1989-05-05 Generador de serie de claves.

Country Status (11)

Country Link
US (1) US4860353A (es)
EP (1) EP0342832B1 (es)
JP (1) JP3024702B2 (es)
AT (1) ATE104100T1 (es)
AU (1) AU608439B2 (es)
CA (1) CA1331789C (es)
DE (1) DE68914322T2 (es)
DK (1) DK174597B1 (es)
ES (1) ES2097742T3 (es)
IE (1) IE62615B1 (es)
NO (1) NO300909B1 (es)

Families Citing this family (37)

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US5054067A (en) * 1990-02-21 1991-10-01 General Instrument Corporation Block-cipher cryptographic device based upon a pseudorandom nonlinear sequence generator
SE465797B (sv) * 1990-03-07 1991-10-28 Ericsson Telefon Ab L M Foerfarande att oeverfoera synkroniseringsinformation vid krypterad oeverfoering i ett mobilradiosystem
US5008938A (en) * 1990-03-09 1991-04-16 Motorola, Inc. Encryption apparatus
US5081679A (en) * 1990-07-20 1992-01-14 Ericsson Ge Mobile Communications Holding Inc. Resynchronization of encryption systems upon handoff
US5091942A (en) * 1990-07-23 1992-02-25 Ericsson Ge Mobile Communications Holding, Inc. Authentication system for digital cellular communications
NZ238651A (en) * 1990-07-20 1994-04-27 Ericsson Ge Mobile Communicat Encryption system for digital cellular communications
US5148485A (en) * 1990-07-20 1992-09-15 Ericsson Ge Mobile Communications Holding, Inc. Encrypton system for digital cellular communications
US5237612A (en) * 1991-03-29 1993-08-17 Ericsson Ge Mobile Communications Inc. Cellular verification and validation system
US5241598A (en) * 1991-05-22 1993-08-31 Ericsson Ge Mobile Communications, Inc. Rolling key resynchronization in cellular verification and validation system
US5210770A (en) * 1991-09-27 1993-05-11 Lockheed Missiles & Space Company, Inc. Multiple-signal spread-spectrum transceiver
JPH08505275A (ja) * 1992-12-30 1996-06-04 テルストラ・コーポレイション・リミテッド 暗号ストリームを発生させるための装置及び方法
US5365588A (en) * 1993-03-12 1994-11-15 Hughes Aircraft Company High speed encryption system and method
CA2128115C (en) * 1993-07-20 1999-08-10 Keiichi Iwamura Encryption apparatus, communication system using the same and method therefor
US5345507A (en) * 1993-09-08 1994-09-06 International Business Machines Corporation Secure message authentication for binary additive stream cipher systems
ES2078178B1 (es) * 1993-12-31 1998-02-01 Alcatel Standard Electrica Dispositivo de cifrado de datos.
US5557678A (en) * 1994-07-18 1996-09-17 Bell Atlantic Network Services, Inc. System and method for centralized session key distribution, privacy enhanced messaging and information distribution using a split private key public cryptosystem
US5838792A (en) * 1994-07-18 1998-11-17 Bell Atlantic Network Services, Inc. Computer system for centralized session key distribution, privacy enhanced messaging and information distribution using a split private key public cryptosystem
US5748735A (en) * 1994-07-18 1998-05-05 Bell Atlantic Network Services, Inc. Securing E-mail communications and encrypted file storage using yaksha split private key asymmetric cryptography
DE19757370C2 (de) * 1997-12-22 2000-03-23 Siemens Ag Verfahren zur taktilen Erzeugung pseudo-zufälliger Datenworte
JP2001527728A (ja) * 1998-03-05 2001-12-25 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 疑似ランダムノイズ発生器用のマスク発生多項式
KR100756435B1 (ko) * 1999-11-23 2007-09-07 제너럴 인스트루먼트 코포레이션 키스트림 생성방법 및 장치
US6961427B1 (en) 1999-11-23 2005-11-01 General Instrument Corporation Methods and apparatus for keystream generation
GB0121793D0 (en) * 2001-09-08 2001-10-31 Amphion Semiconductor Ltd An apparatus for generating encryption/decryption keys
US6862446B2 (en) * 2003-01-31 2005-03-01 Flarion Technologies, Inc. Methods and apparatus for the utilization of core based nodes for state transfer
US7620179B2 (en) 2004-01-29 2009-11-17 Comcast Cable Holdings, Llc System and method for security processing media streams
US8151110B2 (en) * 2004-08-05 2012-04-03 Digital Keystone, Inc. Methods and apparatuses for configuring products
US7711954B2 (en) * 2004-08-05 2010-05-04 Digital Keystone, Inc. Methods and apparatuses for configuring products
US20060031873A1 (en) * 2004-08-09 2006-02-09 Comcast Cable Holdings, Llc System and method for reduced hierarchy key management
US8099369B2 (en) * 2004-12-08 2012-01-17 Ngna, Llc Method and system for securing content in media systems
US7383438B2 (en) * 2004-12-18 2008-06-03 Comcast Cable Holdings, Llc System and method for secure conditional access download and reconfiguration
US7933410B2 (en) * 2005-02-16 2011-04-26 Comcast Cable Holdings, Llc System and method for a variable key ladder
US20060200412A1 (en) * 2005-02-23 2006-09-07 Comcast Cable Holdings, Llc System and method for DRM regional and timezone key management
US7934083B2 (en) * 2007-09-14 2011-04-26 Kevin Norman Taylor Configurable access kernel
US8879733B2 (en) * 2012-07-10 2014-11-04 Infineon Technologies Ag Random bit stream generator with guaranteed minimum period
US8861725B2 (en) * 2012-07-10 2014-10-14 Infineon Technologies Ag Random bit stream generator with enhanced backward secrecy
US9027159B2 (en) 2012-10-29 2015-05-05 Arris Technology, Inc. Handshake protocol to control actors and functions in a cable set-top-box system to propagate acceptance of an IP license to securely authenticate software application program interfaces (APIs)
RU2653470C1 (ru) * 2017-06-27 2018-05-08 Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский национальный исследовательский технический университет им. А.Н. Туполева - КАИ" (КНИТУ-КАИ) Способ передачи криптограммы в системе связи и устройство для его осуществления

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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US434322A (en) * 1890-08-12 Seam-compressing machine
US4343967A (en) * 1950-02-28 1982-08-10 General Dynamics Corporation Electronics Division Autokey code generator
US4434322A (en) * 1965-08-19 1984-02-28 Racal Data Communications Inc. Coded data transmission system
US3781473A (en) * 1971-04-15 1973-12-25 Datotek Random digital code generator
US3911330A (en) * 1974-08-27 1975-10-07 Nasa Nonlinear nonsingular feedback shift registers
US4274085A (en) * 1979-06-28 1981-06-16 Motorola, Inc. Flexible mode DES system
US4760598A (en) * 1981-07-23 1988-07-26 Racal Data Communications Inc. Coded data transmission system
CH664056A5 (de) * 1984-11-02 1988-01-29 Borer Communications Ag Verfahren und vorrichtung fuer die umwandlung einer digitalen datensequenz in die verschluesselte form.
US4797921A (en) * 1984-11-13 1989-01-10 Hitachi, Ltd. System for enciphering or deciphering data
US4785410A (en) * 1985-06-05 1988-11-15 Clarion Co., Ltd. Maximum length shift register sequences generator

Also Published As

Publication number Publication date
IE62615B1 (en) 1995-02-22
NO891934D0 (no) 1989-05-12
DK174597B1 (da) 2003-07-14
DE68914322D1 (de) 1994-05-11
AU608439B2 (en) 1991-03-28
ATE104100T1 (de) 1994-04-15
NO891934L (no) 1989-11-20
DE68914322T2 (de) 1995-11-23
DK237189D0 (da) 1989-05-16
NO300909B1 (no) 1997-08-11
US4860353A (en) 1989-08-22
AU3485989A (en) 1989-11-23
IE891503L (en) 1989-11-17
DK237189A (da) 1989-11-18
EP0342832A3 (en) 1991-05-29
CA1331789C (en) 1994-08-30
JPH0222693A (ja) 1990-01-25
JP3024702B2 (ja) 2000-03-21
EP0342832B1 (en) 1994-04-06
EP0342832A2 (en) 1989-11-23

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