DE60020953D1 - Verfahren und vorrichtung zur effizienten längensteuerung eines schlüssels - Google Patents

Verfahren und vorrichtung zur effizienten längensteuerung eines schlüssels

Info

Publication number
DE60020953D1
DE60020953D1 DE60020953T DE60020953T DE60020953D1 DE 60020953 D1 DE60020953 D1 DE 60020953D1 DE 60020953 T DE60020953 T DE 60020953T DE 60020953 T DE60020953 T DE 60020953T DE 60020953 D1 DE60020953 D1 DE 60020953D1
Authority
DE
Germany
Prior art keywords
key
length control
efficient length
efficient
control
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
DE60020953T
Other languages
English (en)
Other versions
DE60020953T2 (de
Inventor
Joakim Persson
Ben Smeets
Mattias Hansson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60020953D1 publication Critical patent/DE60020953D1/de
Publication of DE60020953T2 publication Critical patent/DE60020953T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Computer Security & Cryptography (AREA)
  • Accounting & Taxation (AREA)
  • General Physics & Mathematics (AREA)
  • Strategic Management (AREA)
  • Physics & Mathematics (AREA)
  • General Business, Economics & Management (AREA)
  • Finance (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Lock And Its Accessories (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Computer And Data Communications (AREA)
DE60020953T 1999-04-26 2000-04-11 Verfahren und vorrichtung zur effizienten längensteuerung eines schlüssels Expired - Lifetime DE60020953T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US13094499P 1999-04-26 1999-04-26
US130944P 1999-04-26
US461766 1999-12-15
US09/461,766 US6947560B1 (en) 1999-04-26 1999-12-15 Method and device for effective key length control
PCT/EP2000/003284 WO2000065768A1 (en) 1999-04-26 2000-04-11 Method and device for effective key length control

Publications (2)

Publication Number Publication Date
DE60020953D1 true DE60020953D1 (de) 2005-07-28
DE60020953T2 DE60020953T2 (de) 2005-12-01

Family

ID=26828998

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60020953T Expired - Lifetime DE60020953T2 (de) 1999-04-26 2000-04-11 Verfahren und vorrichtung zur effizienten längensteuerung eines schlüssels

Country Status (12)

Country Link
US (1) US6947560B1 (de)
EP (1) EP1171971B1 (de)
JP (1) JP4668428B2 (de)
CN (2) CN1282323C (de)
AR (1) AR023605A1 (de)
AT (1) ATE298481T1 (de)
AU (1) AU4913000A (de)
BR (1) BR0010029B1 (de)
CO (1) CO5300374A1 (de)
DE (1) DE60020953T2 (de)
MY (1) MY123139A (de)
WO (1) WO2000065768A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6931130B1 (en) 1999-10-07 2005-08-16 International Business Machines Corporation Dynamically adjustable software encryption
US7360122B2 (en) * 2002-02-22 2008-04-15 Bea Systems, Inc. Method for initiating a sub-system health check
US7287075B2 (en) * 2002-02-22 2007-10-23 Bea Systems, Inc. System for monitoring managed server health
JP4655452B2 (ja) * 2003-03-24 2011-03-23 富士ゼロックス株式会社 情報処理装置
ATE387773T1 (de) * 2003-05-23 2008-03-15 Nxp Bv Verfahren und vorrichtung für eine hadwareimplementierung der schlüsselexpansionsfunktion mit wenig speicher
US7570641B2 (en) * 2005-08-23 2009-08-04 Macrovision Corporation Techniques for watermarking and distributing content
US8183980B2 (en) * 2005-08-31 2012-05-22 Assa Abloy Ab Device authentication using a unidirectional protocol
US7873166B2 (en) * 2005-09-13 2011-01-18 Avaya Inc. Method for undetectably impeding key strength of encryption usage for products exported outside the U.S
US20080037775A1 (en) * 2006-03-31 2008-02-14 Avaya Technology Llc Verifiable generation of weak symmetric keys for strong algorithms
EP2316180A4 (de) 2008-08-11 2011-12-28 Assa Abloy Ab Sichere wiegand-kommunikation
US20170070481A1 (en) * 2015-09-03 2017-03-09 Pilixo Limited Communication channel security against packet sniffing
US10452877B2 (en) 2016-12-16 2019-10-22 Assa Abloy Ab Methods to combine and auto-configure wiegand and RS485
US11621837B2 (en) 2020-09-03 2023-04-04 Theon Technology Llc Secure encryption of data using partial-key cryptography
US11310042B2 (en) 2020-09-11 2022-04-19 Crown Sterling Limited, LLC Methods of storing and distributing large keys
US11552780B2 (en) 2020-12-23 2023-01-10 Theon Technologies, Inc. Homomorphic one-time pad encryption
US11755772B2 (en) 2021-09-20 2023-09-12 Crown Sterling Limited, LLC Securing data in a blockchain with a one-time pad
US11943336B2 (en) 2021-11-22 2024-03-26 Theon Technology Llc Use of gradient decent function in cryptography
US11791988B2 (en) 2021-11-22 2023-10-17 Theon Technology Llc Use of random entropy in cryptography
US11902420B2 (en) 2021-11-23 2024-02-13 Theon Technology Llc Partial cryptographic key transport using one-time pad encryption

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3371947D1 (en) * 1982-12-20 1987-07-09 Radiotechnique Sa Generator of random number sequences
US4797921A (en) * 1984-11-13 1989-01-10 Hitachi, Ltd. System for enciphering or deciphering data
JPH0727325B2 (ja) * 1987-02-13 1995-03-29 沖電気工業株式会社 暗号化装置
US5008938A (en) * 1990-03-09 1991-04-16 Motorola, Inc. Encryption apparatus
US5199072A (en) 1992-02-03 1993-03-30 Motorola, Inc. Method and apparatus for restricting access within a wireless local area network
US5278905A (en) 1992-05-13 1994-01-11 At&T Bell Laboratories Method and apparatus for processor base encryption
US5323464A (en) * 1992-10-16 1994-06-21 International Business Machines Corporation Commercial data masking
US5345507A (en) * 1993-09-08 1994-09-06 International Business Machines Corporation Secure message authentication for binary additive stream cipher systems
US5799087A (en) * 1994-04-28 1998-08-25 Citibank, N.A. Electronic-monetary system
CN1089205C (zh) * 1994-09-24 2002-08-14 西安电子科技大学 一种高速数据置乱方法
CN101359350B (zh) * 1995-02-13 2012-10-03 英特特拉斯特技术公司 用于安全地管理在数据项上的操作的方法
US5729559A (en) * 1995-03-27 1998-03-17 Motorola, Inc. Method and apparatus for correcting errors using multiple estimates
US5778074A (en) * 1995-06-29 1998-07-07 Teledyne Industries, Inc. Methods for generating variable S-boxes from arbitrary keys of arbitrary length including methods which allow rapid key changes
MX9800726A (es) * 1995-07-27 1998-04-30 Nextlevel Systems Inc Sistema criptografico con coeficiente de trabajo oculto.
US5657390A (en) * 1995-08-25 1997-08-12 Netscape Communications Corporation Secure socket layer application program apparatus and method
US5631962A (en) 1995-10-23 1997-05-20 Motorola, Inc. Circuit and method of encrypting key validation
US5724428A (en) * 1995-11-01 1998-03-03 Rsa Data Security, Inc. Block encryption algorithm with data-dependent rotations
US5727063A (en) * 1995-11-27 1998-03-10 Bell Communications Research, Inc. Pseudo-random generator
US5883956A (en) 1996-03-28 1999-03-16 National Semiconductor Corporation Dynamic configuration of a secure processing unit for operations in various environments
WO1997037461A1 (en) * 1996-04-01 1997-10-09 Hewlett-Packard Company Transmitting messages over a network
US5815573A (en) * 1996-04-10 1998-09-29 International Business Machines Corporation Cryptographic key recovery system
US5710814A (en) * 1996-07-23 1998-01-20 Cheyenne Property Trust Cryptographic unit touch point logic
US5850443A (en) * 1996-08-15 1998-12-15 Entrust Technologies, Ltd. Key management system for mixed-trust environments
US5862159A (en) * 1996-09-11 1999-01-19 Texas Instruments Incorporated Parallelized cyclical redundancy check method
US5937066A (en) * 1996-10-02 1999-08-10 International Business Machines Corporation Two-phase cryptographic key recovery system
US6252958B1 (en) * 1997-09-22 2001-06-26 Qualcomm Incorporated Method and apparatus for generating encryption stream ciphers

Also Published As

Publication number Publication date
CN1558592A (zh) 2004-12-29
EP1171971A1 (de) 2002-01-16
US6947560B1 (en) 2005-09-20
CN1282323C (zh) 2006-10-25
AR023605A1 (es) 2002-09-04
ATE298481T1 (de) 2005-07-15
WO2000065768A1 (en) 2000-11-02
DE60020953T2 (de) 2005-12-01
AU4913000A (en) 2000-11-10
CO5300374A1 (es) 2003-07-31
BR0010029B1 (pt) 2014-02-04
JP4668428B2 (ja) 2011-04-13
CN1332524C (zh) 2007-08-15
BR0010029A (pt) 2002-01-15
JP2002543667A (ja) 2002-12-17
EP1171971B1 (de) 2005-06-22
CN1348646A (zh) 2002-05-08
MY123139A (en) 2006-05-31

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8364 No opposition during term of opposition