GB1351572A - System and method for enciphering a block of data - Google Patents

System and method for enciphering a block of data

Info

Publication number
GB1351572A
GB1351572A GB2535172A GB2535172A GB1351572A GB 1351572 A GB1351572 A GB 1351572A GB 2535172 A GB2535172 A GB 2535172A GB 2535172 A GB2535172 A GB 2535172A GB 1351572 A GB1351572 A GB 1351572A
Authority
GB
United Kingdom
Prior art keywords
ciphering
register
segments
operations
block
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
Application number
GB2535172A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1351572A publication Critical patent/GB1351572A/en
Expired 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
    • H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Communication Control (AREA)
GB2535172A 1971-06-30 1972-05-31 System and method for enciphering a block of data Expired GB1351572A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15817471A 1971-06-30 1971-06-30

Publications (1)

Publication Number Publication Date
GB1351572A true GB1351572A (en) 1974-05-01

Family

ID=22566950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2535172A Expired GB1351572A (en) 1971-06-30 1972-05-31 System and method for enciphering a block of data

Country Status (6)

Country Link
US (1) US3798360A (enExample)
JP (1) JPS5425785B1 (enExample)
DE (1) DE2231835C3 (enExample)
FR (1) FR2143971B1 (enExample)
GB (1) GB1351572A (enExample)
IT (1) IT956497B (enExample)

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3958081A (en) * 1975-02-24 1976-05-18 International Business Machines Corporation Block cipher system for data security
US3962539A (en) * 1975-02-24 1976-06-08 International Business Machines Corporation Product block cipher system for data security
US4004089A (en) * 1975-02-28 1977-01-18 Ncr Corporation Programmable cryptic device for enciphering and deciphering data
US4255811A (en) * 1975-03-25 1981-03-10 International Business Machines Corporation Key controlled block cipher cryptographic system
US4177355A (en) * 1975-04-24 1979-12-04 International Business Machines Corporation Array device for data scrambling
US4196310A (en) * 1976-04-09 1980-04-01 Digital Data, Inc. Secure SCA broadcasting system including subscriber actuated portable receiving terminals
US4078152A (en) * 1976-04-26 1978-03-07 International Business Machines Corporation Block-cipher cryptographic system with chaining
CH607506A5 (enExample) * 1976-06-01 1978-12-29 Europ Handelsges Anst
US4195200A (en) * 1976-06-30 1980-03-25 International Business Machines Corporation Key controlled block-cipher cryptographic system employing a multidirectional shift matrix
US4316055A (en) * 1976-12-30 1982-02-16 International Business Machines Corporation Stream/block cipher crytographic system
SE7714587L (sv) * 1977-12-21 1979-06-22 Brendstrom Hugo System for meddelanden
US4262329A (en) * 1978-03-27 1981-04-14 Computation Planning, Inc. Security system for data processing
DE2926013C2 (de) * 1979-06-27 1983-01-05 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Ausgabe von binärkodierten Nachrichten an einen empfangsbefugten Personenkreis
US4369434A (en) * 1979-12-20 1983-01-18 Gretag Aktiengesellschaft Enciphering/deciphering system
US4352129A (en) * 1980-02-01 1982-09-28 Independent Broadcasting Authority Digital recording apparatus
US4447890A (en) * 1980-07-14 1984-05-08 Pitney Bowes Inc. Remote postage meter systems having variable user authorization code
NL8203737A (nl) * 1982-09-27 1984-04-16 Nederlanden Staat Inrichting voor vercijfering van digitale signalen met een of meer des-schakelingen.
DE3244537A1 (de) * 1982-12-02 1984-06-07 Ant Nachrichtentech Verfahren zur ver- und entschluesselung von datenbloecken
US4649266A (en) * 1984-03-12 1987-03-10 Pitney Bowes Inc. Method and apparatus for verifying postage
US20040071278A1 (en) * 1985-07-10 2004-04-15 Ronald A. Katz Multiple format telephonic interface control system
US4724541A (en) * 1985-07-24 1988-02-09 Mallick Brian C Data-dependent binary encoder/decoder
US4835713A (en) * 1985-08-06 1989-05-30 Pitney Bowes Inc. Postage meter with coded graphic information in the indicia
US4850019A (en) * 1985-11-08 1989-07-18 Nippon Telegraph And Telephone Corporation Data randomization equipment
US5050213A (en) * 1986-10-14 1991-09-17 Electronic Publishing Resources, Inc. Database usage metering and protection system and method
JPH0727325B2 (ja) * 1987-02-13 1995-03-29 沖電気工業株式会社 暗号化装置
US5369401A (en) * 1989-03-23 1994-11-29 F.M.E. Corporation Remote meter operation
US5077660A (en) * 1989-03-23 1991-12-31 F.M.E. Corporation Remote meter configuration
US5058025A (en) * 1989-03-23 1991-10-15 F.M.E. Corporation Emergency post office setting for remote setting meter
US5107455A (en) * 1989-03-23 1992-04-21 F.M.E. Corporation Remote meter i/o configuration
US5003596A (en) * 1989-08-17 1991-03-26 Cryptech, Inc. Method of cryptographically transforming electronic digital data from one form to another
GB2288519A (en) * 1994-04-05 1995-10-18 Ibm Data encryption
US6948070B1 (en) 1995-02-13 2005-09-20 Intertrust Technologies Corporation Systems and methods for secure transaction management and electronic rights protection
US7133845B1 (en) * 1995-02-13 2006-11-07 Intertrust Technologies Corp. System and methods for secure transaction management and electronic rights protection
US6658568B1 (en) * 1995-02-13 2003-12-02 Intertrust Technologies Corporation Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management
US7069451B1 (en) 1995-02-13 2006-06-27 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US20060206397A1 (en) * 1995-02-13 2006-09-14 Intertrust Technologies Corp. Cryptographic methods, apparatus and systems for storage media electronic right management in closed and connected appliances
US5943422A (en) * 1996-08-12 1999-08-24 Intertrust Technologies Corp. Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels
US5892900A (en) * 1996-08-30 1999-04-06 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US7143290B1 (en) * 1995-02-13 2006-11-28 Intertrust Technologies Corporation Trusted and secure techniques, systems and methods for item delivery and execution
US7095854B1 (en) * 1995-02-13 2006-08-22 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US7124302B2 (en) 1995-02-13 2006-10-17 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US6157721A (en) * 1996-08-12 2000-12-05 Intertrust Technologies Corp. Systems and methods using cryptography to protect secure computing environments
US7133846B1 (en) * 1995-02-13 2006-11-07 Intertrust Technologies Corp. Digital certificate support system, methods and techniques for secure electronic commerce transaction and rights management
ATE412945T1 (de) 1995-02-13 2008-11-15 Intertrust Tech Corp Systeme und verfahren für ein sicheres übertragungsmanagement und elektronischerrechtsschutz
US7165174B1 (en) 1995-02-13 2007-01-16 Intertrust Technologies Corp. Trusted infrastructure support systems, methods and techniques for secure electronic commerce transaction and rights management
US6980655B2 (en) * 2000-01-21 2005-12-27 The Chamberlain Group, Inc. Rolling code security system
CA2193846C (en) 1995-05-17 2004-02-17 Bradford L. Farris Rolling code security system
US7492905B2 (en) 1995-05-17 2009-02-17 The Chamberlain Group, Inc. Rolling code security system
US6690796B1 (en) 1995-05-17 2004-02-10 The Chamberlain Group, Inc. Rolling code security system
US5583939A (en) * 1995-06-01 1996-12-10 Chung N. Chang Secure, swift cryptographic key exchange
US5835592A (en) * 1995-06-01 1998-11-10 Chang; Chung Nan Secure, swift cryptographic key exchange
US5727062A (en) * 1995-07-06 1998-03-10 Ritter; Terry F. Variable size block ciphers
US5799082A (en) * 1995-11-07 1998-08-25 Trimble Navigation Limited Secure authentication of images
US5764770A (en) * 1995-11-07 1998-06-09 Trimble Navigation Limited Image authentication patterning
US6282362B1 (en) 1995-11-07 2001-08-28 Trimble Navigation Limited Geographical position/image digital recording and display system
US5684876A (en) * 1995-11-15 1997-11-04 Scientific-Atlanta, Inc. Apparatus and method for cipher stealing when encrypting MPEG transport packets
US20010011253A1 (en) * 1998-08-04 2001-08-02 Christopher D. Coley Automated system for management of licensed software
US20060265337A1 (en) * 1996-02-26 2006-11-23 Graphon Corporation Automated system for management of licensed digital assets
US6089460A (en) * 1996-09-13 2000-07-18 Nippon Steel Corporation Semiconductor device with security protection function, ciphering and deciphering method thereof, and storage medium for storing software therefor
US6857099B1 (en) * 1996-09-18 2005-02-15 Nippon Steel Corporation Multilevel semiconductor memory, write/read method thereto/therefrom and storage medium storing write/read program
US5966444A (en) * 1996-12-06 1999-10-12 Yuan; Chuan K. Method and system for establishing a cryptographic key agreement using linear protocols
US5909494A (en) * 1997-02-14 1999-06-01 At&T Corp. System and method for constructing a cryptographic pseudo random bit generator
US5920861A (en) * 1997-02-25 1999-07-06 Intertrust Technologies Corp. Techniques for defining using and manipulating rights management data structures
US7062500B1 (en) 1997-02-25 2006-06-13 Intertrust Technologies Corp. Techniques for defining, using and manipulating rights management data structures
US5987130A (en) * 1997-03-31 1999-11-16 Chang; Chung Nan Simiplified secure swift cryptographic key exchange
US7092914B1 (en) * 1997-11-06 2006-08-15 Intertrust Technologies Corporation Methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information
US6112181A (en) * 1997-11-06 2000-08-29 Intertrust Technologies Corporation Systems and methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information
US6259789B1 (en) 1997-12-12 2001-07-10 Safecourier Software, Inc. Computer implemented secret object key block cipher encryption and digital signature device and method
US7233948B1 (en) 1998-03-16 2007-06-19 Intertrust Technologies Corp. Methods and apparatus for persistent control and protection of content
US7050580B1 (en) * 1998-05-07 2006-05-23 Ferre Herrero Angel Jose Randomization-encryption system
US6275587B1 (en) * 1998-06-30 2001-08-14 Adobe Systems Incorporated Secure data encoder and decoder
JP2000066587A (ja) * 1998-08-24 2000-03-03 Toshiba Corp データ処理装置及び通信システム並びに記録媒体
JP4317607B2 (ja) * 1998-12-14 2009-08-19 株式会社日立製作所 情報処理装置、耐タンパ処理装置
US6957330B1 (en) * 1999-03-01 2005-10-18 Storage Technology Corporation Method and system for secure information handling
WO2000065767A1 (en) * 1999-04-27 2000-11-02 Mischenko Valentin Alexandrovi Method for encrypting information and device for realization of the method
US7430670B1 (en) 1999-07-29 2008-09-30 Intertrust Technologies Corp. Software self-defense systems and methods
US7243236B1 (en) 1999-07-29 2007-07-10 Intertrust Technologies Corp. Systems and methods for using cryptography to protect secure and insecure computing environments
US6920221B1 (en) 1999-08-29 2005-07-19 Intel Corporation Method and apparatus for protected exchange of status and secret values between a video source application and a video hardware interface
US7068786B1 (en) * 1999-08-29 2006-06-27 Intel Corporation Dual use block/stream cipher
US6731758B1 (en) 1999-08-29 2004-05-04 Intel Corporation Digital video content transmission ciphering and deciphering method and apparatus
EP1281254A4 (en) * 2000-04-20 2003-06-04 Noel D Matchett CRYPTOGRAPHIC SYSTEM FOR DATA ENCRYPTION STANDARD
US7050583B2 (en) * 2001-03-29 2006-05-23 Etreppid Technologies, Llc Method and apparatus for streaming data using rotating cryptographic keys
US6996725B2 (en) * 2001-08-16 2006-02-07 Dallas Semiconductor Corporation Encryption-based security protection for processors
US7376235B2 (en) * 2002-04-30 2008-05-20 Microsoft Corporation Methods and systems for frustrating statistical attacks by injecting pseudo data into a data system
JP2005050160A (ja) * 2003-07-29 2005-02-24 Yazaki Corp ハードウェアプロテクトキー及び情報処理システム
US7539305B2 (en) * 2004-03-05 2009-05-26 International Business Machines Corporation Schryption method and device
US8422667B2 (en) 2005-01-27 2013-04-16 The Chamberlain Group, Inc. Method and apparatus to facilitate transmission of an encrypted rolling code
US9148409B2 (en) 2005-06-30 2015-09-29 The Chamberlain Group, Inc. Method and apparatus to facilitate message transmission and reception using different transmission characteristics
US12149618B2 (en) 2005-01-27 2024-11-19 The Chamberlain Group Llc Method and apparatus to facilitate transmission of an encrypted rolling code
JP4667108B2 (ja) * 2005-04-11 2011-04-06 パナソニック株式会社 データ処理装置
FR2931326A1 (fr) * 2008-05-16 2009-11-20 St Microelectronics Rousset Verification d'integrite d'une cle de chiffrement
US10652743B2 (en) 2017-12-21 2020-05-12 The Chamberlain Group, Inc. Security system for a moveable barrier operator
US11074773B1 (en) 2018-06-27 2021-07-27 The Chamberlain Group, Inc. Network-based control of movable barrier operators for autonomous vehicles
CA3107457A1 (en) 2018-08-01 2020-02-06 The Chamberlain Group, Inc. Movable barrier operator and transmitter pairing over a network
US10997810B2 (en) 2019-05-16 2021-05-04 The Chamberlain Group, Inc. In-vehicle transmitter training

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496291A (en) * 1966-06-17 1970-02-17 Int Standard Electric Corp Enciphering teleprinter text for telex channels

Also Published As

Publication number Publication date
US3798360A (en) 1974-03-19
JPS5425785B1 (enExample) 1979-08-30
DE2231835A1 (de) 1973-01-11
IT956497B (it) 1973-10-10
FR2143971B1 (enExample) 1975-06-13
DE2231835C3 (de) 1980-05-29
DE2231835B2 (de) 1979-09-06
FR2143971A1 (enExample) 1973-02-09

Similar Documents

Publication Publication Date Title
GB1351572A (en) System and method for enciphering a block of data
US4375579A (en) Database encryption and decryption circuit and method using subkeys
US4206315A (en) Digital signature system and apparatus
EP0002578B1 (en) Data communication method
US4074066A (en) Message verification and transmission error detection by block chaining
US3796830A (en) Recirculating block cipher cryptographic system
US5113444A (en) Random choice cipher system and method
US4281215A (en) Method and apparatus for securing data transmissions
US5548648A (en) Encryption method and system
GB1480859A (en) Block ciphers
EP0002579B1 (en) A method of creating a secure data file
US4434322A (en) Coded data transmission system
US4203166A (en) Cryptographic file security for multiple domain networks
US4249180A (en) Past dependent microcomputer cipher apparatus
GB1351574A (en) Data processing system
US4791669A (en) Encryption/decryption system
US4760598A (en) Coded data transmission system
US20120134490A1 (en) Selective Data Encryption and Decryption Method and Apparatus
GB1178026A (en) Key Material Generator for Cryptographic Equipment
Morris et al. Assessment of the national bureau of standards proposed federal data encryption standard
DE69529887T2 (de) Datenwiedergabevorrichtung
CN101138194B (zh) 数据处理设备
US6088449A (en) Tri-signature security architecture systems and methods
GB1512925A (en) Method and apparatus for use in the synchronization of a deciphering device functioning as receiver with an enciphering device functioning as transmitter
CN101138193A (zh) 数据处理设备

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee