AU2002225712A1 - Cryptographic communications using locally generated cryptographic keys for conditional access - Google Patents

Cryptographic communications using locally generated cryptographic keys for conditional access

Info

Publication number
AU2002225712A1
AU2002225712A1 AU2002225712A AU2571202A AU2002225712A1 AU 2002225712 A1 AU2002225712 A1 AU 2002225712A1 AU 2002225712 A AU2002225712 A AU 2002225712A AU 2571202 A AU2571202 A AU 2571202A AU 2002225712 A1 AU2002225712 A1 AU 2002225712A1
Authority
AU
Australia
Prior art keywords
cryptographic
conditional access
locally generated
communications
keys
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.)
Abandoned
Application number
AU2002225712A
Inventor
Derek C. Au
Thomas Bartholet
Hugo Fruehauf
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.)
Zyfer Inc
Original Assignee
Zyfer Inc
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 Zyfer Inc filed Critical Zyfer Inc
Publication of AU2002225712A1 publication Critical patent/AU2002225712A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services
    • 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
    • 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
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • 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
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
    • 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
    • H04L2209/60—Digital content management, e.g. content distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
AU2002225712A 2000-11-13 2001-11-08 Cryptographic communications using locally generated cryptographic keys for conditional access Abandoned AU2002225712A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/711,783 2000-11-13
US09/711,783 US7149308B1 (en) 2000-11-13 2000-11-13 Cryptographic communications using in situ generated cryptographic keys for conditional access
PCT/US2001/043852 WO2002039660A2 (en) 2000-11-13 2001-11-08 Cryptographic communications using locally generated cryptographic keys for conditional access

Publications (1)

Publication Number Publication Date
AU2002225712A1 true AU2002225712A1 (en) 2002-05-21

Family

ID=24859510

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002225712A Abandoned AU2002225712A1 (en) 2000-11-13 2001-11-08 Cryptographic communications using locally generated cryptographic keys for conditional access

Country Status (4)

Country Link
US (1) US7149308B1 (en)
EP (1) EP1336271A2 (en)
AU (1) AU2002225712A1 (en)
WO (1) WO2002039660A2 (en)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2824212A1 (en) * 2001-04-25 2002-10-31 Thomson Licensing Sa METHOD FOR MANAGING A SYMMETRIC KEY IN A COMMUNICATION NETWORK AND DEVICES FOR IMPLEMENTING IT
JP4447908B2 (en) * 2001-08-24 2010-04-07 トムソン ライセンシング Local digital network and method for introducing new apparatus, and data broadcasting and receiving method in the network
US20030188180A1 (en) * 2002-03-28 2003-10-02 Overney Gregor T. Secure file verification station for ensuring data integrity
WO2004025895A1 (en) * 2002-09-13 2004-03-25 Telefonaktiebolaget Lm Ericsson (Publ) Secure broadcast/multicast service
WO2004032557A1 (en) * 2002-10-07 2004-04-15 Telefonaktiebolaget Lm Ericsson (Publ) Security and privacy enhancements for security devices
CN1708942B (en) * 2002-10-31 2010-11-03 艾利森电话股份有限公司 Secure implementation and utilization of device-specific security data
GB2395868A (en) * 2002-11-29 2004-06-02 Nokia Corp Messaging system using set-top box and television display
US7424115B2 (en) * 2003-01-30 2008-09-09 Nokia Corporation Generating asymmetric keys in a telecommunications system
US7890758B2 (en) * 2003-03-27 2011-02-15 International Business Machines Corporation Apparatus and method for generating keys in a network computing environment
WO2004099953A2 (en) * 2003-05-09 2004-11-18 Philips Intellectual Property & Standards Gmbh Generation of cryptographic keys
KR20070015359A (en) * 2003-09-12 2007-02-02 시큐어드 이메일 예테보리 아베 Message security
SE0400238D0 (en) 2003-09-12 2004-02-04 Secured Email Ab Message security
DE10352071A1 (en) * 2003-11-07 2005-06-23 Daimlerchrysler Ag Method for detecting unauthorized component exchange
US7841009B1 (en) * 2004-07-09 2010-11-23 Angel Secure Networks System and method for defending against reverse engineering of software, firmware and hardware
US7930737B2 (en) * 2004-08-18 2011-04-19 Broadcom Corporation Method and system for improved communication network setup utilizing extended terminals
US7987499B2 (en) * 2004-08-18 2011-07-26 Broadcom Corporation Method and system for exchanging setup configuration protocol information in beacon frames in a WLAN
US7693280B2 (en) 2005-04-22 2010-04-06 Microsoft Corporation Rights management system for streamed multimedia content
US20070011735A1 (en) * 2005-07-06 2007-01-11 Cable Television Laboratories, Inc. Open standard conditional access system
WO2007138229A2 (en) * 2006-05-30 2007-12-06 France Telecom Method for secure access to an encrypted resource
US7912916B2 (en) * 2006-06-02 2011-03-22 Google Inc. Resolving conflicts while synchronizing configuration information among multiple clients
US8086698B2 (en) 2006-06-02 2011-12-27 Google Inc. Synchronizing configuration information among multiple clients
US7912213B2 (en) * 2006-10-11 2011-03-22 Frank Rubin Device, system and method for fast secure message encryption without key distribution
US8098815B2 (en) * 2006-10-11 2012-01-17 Frank Rubin Device, system and method for cryptographic key exchange
US7907723B2 (en) * 2006-10-11 2011-03-15 Frank Rubin Device, system and method for fast secure message encryption without key distribution
US8090097B2 (en) * 2006-10-11 2012-01-03 Frank Rubin Device, system and method for cryptographic key exchange
EP2150049A1 (en) * 2008-07-30 2010-02-03 Koninklijke KPN N.V. Virtually increasing the number of content broadcast channels
US20110047377A1 (en) * 2009-08-19 2011-02-24 Harris Corporation Secure digital communications via biometric key generation
US8239529B2 (en) * 2010-11-30 2012-08-07 Google Inc. Event management for hosted applications
US8930717B2 (en) 2011-03-01 2015-01-06 Angel Secure Networks, Inc. Secure processing module and method for making the same
US9058482B2 (en) 2011-03-01 2015-06-16 Angel Secure Networks, Inc. Controlling user access to electronic resources without password
FR2980062B1 (en) * 2011-09-13 2014-02-21 Sagemcom Broadband Sas SECURE DATA EXCHANGE METHOD, DEVICE AND COMMUNICATION SYSTEM IMPLEMENTING SAID METHOD
JP6251732B2 (en) * 2012-05-03 2017-12-20 テレフオンアクチーボラゲット エルエム エリクソン（パブル） Centralized key management in EMBMS
US9270660B2 (en) 2012-11-25 2016-02-23 Angel Secure Networks, Inc. System and method for using a separate device to facilitate authentication
SE538279C2 (en) 2014-09-23 2016-04-19 Kelisec Ab Secure node-to-multinode communication
SE540133C2 (en) 2014-10-09 2018-04-10 Kelisec Ab Improved system for establishing a secure communication channel
SE542460C2 (en) 2014-10-09 2020-05-12 Kelisec Ab Improved security through authenticaton tokens
SE538304C2 (en) 2014-10-09 2016-05-03 Kelisec Ab Improved installation of a terminal in a secure system
SE539271C2 (en) 2014-10-09 2017-06-07 Kelisec Ab Mutual authentication
US10366244B2 (en) * 2015-06-09 2019-07-30 International Business Machines Corporation Performing an operation on sensitive data

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4634808A (en) * 1984-03-15 1987-01-06 M/A-Com Government Systems, Inc. Descrambler subscriber key production system utilizing key seeds stored in descrambler
US4809327A (en) * 1986-09-02 1989-02-28 Unisys Corporation Encrtption of messages employing unique control words and randomly chosen encryption keys
US4864615A (en) * 1988-05-27 1989-09-05 General Instrument Corporation Reproduction of secure keys by using distributed key generation data
US5412730A (en) * 1989-10-06 1995-05-02 Telequip Corporation Encrypted data transmission system employing means for randomly altering the encryption keys
US5115467A (en) * 1991-01-23 1992-05-19 General Instrument Corporation Signal encryption apparatus for generating common and distinct keys
CA2169449A1 (en) * 1993-08-13 1995-02-23 Frank Thomson Leighton Secret key exchange
US5345508A (en) * 1993-08-23 1994-09-06 Apple Computer, Inc. Method and apparatus for variable-overhead cached encryption
JPH07162692A (en) 1993-12-07 1995-06-23 Mita Ind Co Ltd Cipher communication method and terminal equipment for cipher communication
IL107967A (en) * 1993-12-09 1996-12-05 News Datacom Research Ltd Apparatus and method for securing communication systems
US5787172A (en) * 1994-02-24 1998-07-28 The Merdan Group, Inc. Apparatus and method for establishing a cryptographic link between elements of a system
FR2736485B1 (en) * 1995-07-03 1997-08-14 Thomson Multimedia Sa PROCESS FOR PROCESSING A DIGITAL SIGNAL SUCH AS THE OUTPUT DIGITAL SIGNAL CANNOT DEDUCT THE INPUT DIGITAL SIGNAL AND USE OF THIS METHOD FOR ACCESS CONTROL AND / OR BINARY SIGNATURE
US6191701B1 (en) * 1995-08-25 2001-02-20 Microchip Technology Incorporated Secure self learning system
US5748734A (en) * 1996-04-02 1998-05-05 Lucent Technologies Inc. Circuit and method for generating cryptographic keys
US5802175A (en) * 1996-09-18 1998-09-01 Kara; Salim G. Computer file backup encryption system and method
WO1998034371A1 (en) * 1997-02-03 1998-08-06 Mannesmann Ag Method and device for introducing a service key into a terminal
US5999623A (en) * 1997-11-05 1999-12-07 Globalstar L.P. Broadcast data access controller communication system
JP3561154B2 (en) * 1997-12-26 2004-09-02 株式会社東芝 Broadcast receiving device and contract management device
US6084969A (en) * 1997-12-31 2000-07-04 V-One Corporation Key encryption system and method, pager unit, and pager proxy for a two-way alphanumeric pager network
US6788788B1 (en) 1998-09-16 2004-09-07 Murata Kikai Kabushiki Kaisha Cryptographic communication method, encryption method, and cryptographic communication system
JP2000181803A (en) * 1998-12-18 2000-06-30 Fujitsu Ltd Electronic data keeping device with key management function and method therefor
US6985583B1 (en) * 1999-05-04 2006-01-10 Rsa Security Inc. System and method for authentication seed distribution
US6289455B1 (en) * 1999-09-02 2001-09-11 Crypotography Research, Inc. Method and apparatus for preventing piracy of digital content
US7120696B1 (en) 2000-05-19 2006-10-10 Stealthkey, Inc. Cryptographic communications using pseudo-randomly generated cryptography keys

Also Published As

Publication number Publication date
US7149308B1 (en) 2006-12-12
WO2002039660A3 (en) 2002-10-17
WO2002039660A2 (en) 2002-05-16
EP1336271A2 (en) 2003-08-20

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