ATE176970T1 - System und anordnung zum blockweisen verschlüsseln/entschlüsseln von daten - Google Patents

System und anordnung zum blockweisen verschlüsseln/entschlüsseln von daten

Info

Publication number
ATE176970T1
ATE176970T1 AT95901624T AT95901624T ATE176970T1 AT E176970 T1 ATE176970 T1 AT E176970T1 AT 95901624 T AT95901624 T AT 95901624T AT 95901624 T AT95901624 T AT 95901624T AT E176970 T1 ATE176970 T1 AT E176970T1
Authority
AT
Austria
Prior art keywords
blocks
pct
decryption
encryption
encrypting
Prior art date
Application number
AT95901624T
Other languages
English (en)
Inventor
Gideon Jacobus Kuehn
Donald Watts Davies
Simon Paul Ashley Rix
Original Assignee
Irdeto Bv
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 Irdeto Bv filed Critical Irdeto Bv
Application granted granted Critical
Publication of ATE176970T1 publication Critical patent/ATE176970T1/de

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
    • 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
    • H04L2209/125—Parallelization or pipelining, e.g. for accelerating processing of cryptographic operations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Television Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
AT95901624T 1993-10-14 1994-10-07 System und anordnung zum blockweisen verschlüsseln/entschlüsseln von daten ATE176970T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9301784A NL9301784A (nl) 1993-10-14 1993-10-14 Systeem voor het versleutelen en ontsleutelen van digitale informatie.

Publications (1)

Publication Number Publication Date
ATE176970T1 true ATE176970T1 (de) 1999-03-15

Family

ID=19863011

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95901624T ATE176970T1 (de) 1993-10-14 1994-10-07 System und anordnung zum blockweisen verschlüsseln/entschlüsseln von daten

Country Status (11)

Country Link
US (1) US5799089A (de)
EP (1) EP0723726B1 (de)
AT (1) ATE176970T1 (de)
AU (1) AU683325B2 (de)
DE (1) DE69416684T2 (de)
DK (1) DK0723726T3 (de)
ES (1) ES2130570T3 (de)
GR (1) GR3030117T3 (de)
NL (1) NL9301784A (de)
WO (1) WO1995010906A1 (de)
ZA (1) ZA947822B (de)

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US5974144A (en) * 1998-02-25 1999-10-26 Cipheractive Ltd. System for encryption of partitioned data blocks utilizing public key methods and random numbers
RU2140713C1 (ru) * 1998-12-28 1999-10-27 Государственное унитарное предприятие Специализированный центр программных систем "Спектр" Способ блочного криптографического преобразования двоичной информации
US8055894B2 (en) * 1999-11-09 2011-11-08 Google Inc. Process and streaming server for encrypting a data stream with bandwidth based variation
US6449719B1 (en) * 1999-11-09 2002-09-10 Widevine Technologies, Inc. Process and streaming server for encrypting a data stream
US6870929B1 (en) * 1999-12-22 2005-03-22 Juniper Networks, Inc. High throughput system for encryption and other data operations
US7165175B1 (en) * 2000-09-06 2007-01-16 Widevine Technologies, Inc. Apparatus, system and method for selectively encrypting different portions of data sent over a network
US7362859B1 (en) * 2000-10-06 2008-04-22 Sandia Corporation Enhancement of utilization of encryption engine
US7043473B1 (en) 2000-11-22 2006-05-09 Widevine Technologies, Inc. Media tracking system and method
US7150045B2 (en) 2000-12-14 2006-12-12 Widevine Technologies, Inc. Method and apparatus for protection of electronic media
DE10129285C2 (de) * 2001-06-18 2003-01-09 Hans-Joachim Mueschenborn Verschlüsselungsverfahren mit beliebig wählbaren Einmalschlüsseln
US7328345B2 (en) * 2002-01-29 2008-02-05 Widevine Technologies, Inc. Method and system for end to end securing of content for video on demand
US7299292B2 (en) * 2002-03-29 2007-11-20 Widevine Technologies, Inc. Process and streaming server for encrypting a data stream to a virtual smart card client system
FR2838894A1 (fr) * 2002-04-19 2003-10-24 St Microelectronics Sa Chiffrement du contenu d'une memoire externe a un processeur
RU2227375C2 (ru) * 2002-07-12 2004-04-20 Государственный научно-исследовательский испытательный институт проблем технической защиты информации Государственной технической комиссии при Президенте Российской Федерации Способ передачи дискретной информации в вычислительной сети
US7594271B2 (en) * 2002-09-20 2009-09-22 Widevine Technologies, Inc. Method and system for real-time tamper evidence gathering for software
US7007170B2 (en) * 2003-03-18 2006-02-28 Widevine Technologies, Inc. System, method, and apparatus for securely providing content viewable on a secure device
US7356143B2 (en) * 2003-03-18 2008-04-08 Widevine Technologies, Inc System, method, and apparatus for securely providing content viewable on a secure device
US20040199771A1 (en) * 2003-04-04 2004-10-07 Widevine Technologies, Inc. Method for tracing a security breach in highly distributed content
KR100446336B1 (ko) * 2003-05-20 2004-09-01 엔에이치엔(주) 데이터 암호화 방법 및 장치
US7406174B2 (en) * 2003-10-21 2008-07-29 Widevine Technologies, Inc. System and method for n-dimensional encryption
US7257225B2 (en) * 2003-12-29 2007-08-14 American Express Travel Related Services Company, Inc. System and method for high speed reversible data encryption
US7526643B2 (en) * 2004-01-08 2009-04-28 Encryption Solutions, Inc. System for transmitting encrypted data
US8031865B2 (en) * 2004-01-08 2011-10-04 Encryption Solutions, Inc. Multiple level security system and method for encrypting data within documents
US7752453B2 (en) * 2004-01-08 2010-07-06 Encryption Solutions, Inc. Method of encrypting and transmitting data and system for transmitting encrypted data
EP1607891A1 (de) 2004-06-17 2005-12-21 ABN AMRO Bank N.V. System zum Verwalten von Geschäftsprozessen mittels eines Rechnersystems
US9609279B2 (en) 2004-09-24 2017-03-28 Google Inc. Method and system for providing secure CODECS
US20080015999A1 (en) * 2005-02-04 2008-01-17 Widevine Technologies, Inc. Securely ingesting encrypted content into content servers
JP2006279644A (ja) * 2005-03-30 2006-10-12 Fujitsu Ltd 暗号化システム、暗号化装置、復号化装置、暗号化・復号化方法、暗号化方法および復号化方法
US20070067643A1 (en) * 2005-09-21 2007-03-22 Widevine Technologies, Inc. System and method for software tamper detection
US8065733B2 (en) * 2005-09-23 2011-11-22 Google, Inc. Method for evolving detectors to detect malign behavior in an artificial immune system
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US7817608B2 (en) * 2005-09-23 2010-10-19 Widevine Technologies, Inc. Transitioning to secure IP communications for encoding, encapsulating, and encrypting data
DE602005022001D1 (de) * 2005-11-08 2010-08-05 Irdeto Access Bv Verfahren zur Verschlüsselung und Entschlüsselung von Dateneinheiten
JP4482630B2 (ja) * 2005-11-21 2010-06-16 インターナショナル・ビジネス・マシーンズ・コーポレーション 通信装置および通信方法
US8689016B2 (en) 2005-12-02 2014-04-01 Google Inc. Tamper prevention and detection for video provided over a network to a client
WO2007069236A2 (en) * 2005-12-14 2007-06-21 Nds Limited Method and system for usage of block cipher encryption
US8526612B2 (en) * 2006-01-06 2013-09-03 Google Inc. Selective and persistent application level encryption for video provided to a client
US20070180231A1 (en) * 2006-01-31 2007-08-02 Widevine Technologies, Inc. Preventing entitlement management message (EMM) filter attacks
US8356178B2 (en) * 2006-11-13 2013-01-15 Seagate Technology Llc Method and apparatus for authenticated data storage
US8621093B2 (en) * 2007-05-21 2013-12-31 Google Inc. Non-blocking of head end initiated revocation and delivery of entitlements non-addressable digital media network
US8243924B2 (en) 2007-06-29 2012-08-14 Google Inc. Progressive download or streaming of digital media securely through a localized container and communication protocol proxy
US8868464B2 (en) 2008-02-07 2014-10-21 Google Inc. Preventing unauthorized modification or skipping of viewing of advertisements within content
EP2506487B1 (de) 2011-03-30 2013-10-23 Nagravision S.A. Verfahren zur Verschlüsselung mit bidirektionaler Unterschiedsausbreitung
US8751800B1 (en) 2011-12-12 2014-06-10 Google Inc. DRM provider interoperability
ES2523423B1 (es) 2013-04-10 2015-11-24 Crypto Solutions, S.L. Dispositivo de cifrado simetrico y procedimiento empleado
WO2015013440A1 (en) * 2013-07-23 2015-01-29 Battelle Memorial Institute Systems and methods for securing real-time messages
CN103401680B (zh) * 2013-07-24 2016-06-15 大连理工大学 一种矩阵旋转移位数字加密方法
US20250390597A1 (en) * 2024-06-25 2025-12-25 Sandisk Technologies Llc Authenticating a host computer system to access a data storage device

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US4918728A (en) * 1989-08-30 1990-04-17 International Business Machines Corporation Data cryptography operations using control vectors
US5294208A (en) * 1991-12-31 1994-03-15 Insilco Corporation Notebook-type personal organizer
US5301231A (en) * 1992-02-12 1994-04-05 International Business Machines Corporation User defined function facility
US5345508A (en) * 1993-08-23 1994-09-06 Apple Computer, Inc. Method and apparatus for variable-overhead cached encryption
US5455862A (en) * 1993-12-02 1995-10-03 Crest Industries, Inc. Apparatus and method for encrypting communications without exchanging an encryption key
US5438622A (en) * 1994-01-21 1995-08-01 Apple Computer, Inc. Method and apparatus for improving the security of an electronic codebook encryption scheme utilizing an offset in the pseudorandom sequence
US5511123A (en) * 1994-08-04 1996-04-23 Northern Telecom Limited Symmetric cryptographic system for data encryption

Also Published As

Publication number Publication date
AU1078395A (en) 1995-05-04
DK0723726T3 (da) 1999-10-25
EP0723726A1 (de) 1996-07-31
NL9301784A (nl) 1995-05-01
GR3030117T3 (en) 1999-07-30
DE69416684T2 (de) 1999-09-02
EP0723726B1 (de) 1999-02-24
US5799089A (en) 1998-08-25
WO1995010906A1 (en) 1995-04-20
ZA947822B (en) 1995-07-12
AU683325B2 (en) 1997-11-06
DE69416684D1 (de) 1999-04-01
ES2130570T3 (es) 1999-07-01

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Legal Events

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UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee