US Patent No: 6,385,723

Number of patents in Portfolio can not be more than 2000

Key transformation unit for an IC card

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ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

A multi-application IC card system and method is disclosed providing a secure data transmission technique. The method is used, for example, to load an application from an application provider, which could be remote, to an IC card. At least a portion of the application is encrypted using a transfer key. The transfer key is then encrypted using the public key of a public/secret key pair of the intended IC card to form a key transformation unit. The encrypted application and key transformation unit are then sent to the IC card and the IC card decrypts the key transformation unit using its secret key. The transfer key is then recovered and used to decrypt the encrypted application. The application can then by stored on the IC card and accessed by the card user.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
BAMBOO HOLDINGS, A CAYMAN ISLANDS EXEMPTED LIMITED COMPANYLONDON8
MULTOS LIMITEDLONDON20
STEPNEXUS HOLDINGS, A CAYMAN ISLAND EXEMPTED LIMITED COMPANYLONDON8

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Richards, Timothy Philip Herts, GB 30 461

Cited Art

Patent Info (Count) # Cites Year
 
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TOPPAN MOORE CO., LTD. (3)
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MOTOROLA, INC. (2)
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5,131,038 Portable authentification system 227 1990
 
NIPPON TELEGRAPH AND TELEPHONE CORPORATION (2)
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PITNEY BOWES INC. (2)
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SMART CARD, LLC (2)
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5,578,808 Data card that can be used for transactions involving separate card issuers 406 1995
 
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DEBITEK, INC. (1)
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6,061,449 Secure processor with external memory using block chaining and block re-ordering 141 1997
 
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HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (1)
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INFO TELECOM (1)
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INTEL CORPORATION (1)
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6,055,314 System and method for secure purchase and delivery of video content programs 452 1996
 
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NCR CORPORATION (1)
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NXP B.V. (1)
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PLAROID CORPORATION (1)
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SECURITY DOMAIN PTY. LTD. (1)
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YAMA CAPITAL, LLC (1)
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YEDA RESEARCH AND DEVELOPMENT CO. LTD. (1)
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OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (3)
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Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
VISA U.S.A. INC. (27)
8,010,405 Multi-application smart card device software solution for smart cardholder reward selection and redemption 2 2003
6,920,611 Method and system for implementing a loyalty merchant component 40 2003
7,104,446 Method, system and portable consumer device using wildcard values 20 2003
8,015,060 Method and system for managing limited use coupon and coupon prioritization 0 2003
7,121,456 Method and system for managing token image replacement 13 2003
7,051,923 Method and system for providing interactive cardholder rewards image replacement 25 2003
8,005,763 Method and system for providing a distributed adaptive rules based dynamic pricing system 0 2003
7,827,077 Method and apparatus for management of electronic receipts on portable devices 2 2003
7,653,602 Centralized electronic commerce card transactions 2 2003
7,464,870 Method and system for providing interactive cardholder rewards image replacement 1 2006
7,350,702 Method, system and portable consumer device using wildcard values 7 2006
7,374,078 Method and system for managing token image replacement 3 2006
7,367,501 Method, system and portable consumer device using wildcard values 9 2006
7,857,215 Method and system including phone with rewards image 0 2007
7,857,216 Method and system for providing interactive cardholder rewards image replacement 0 2007
7,654,451 Method, system and portable consumer device using wildcard values 4 2007
7,611,054 Mobile phone including wildcard data string 3 2007
7,624,917 Method and system for managing token image replacement 1 2007
7,591,412 Method and system for managing token image replacement 1 2007
8,386,343 Method and user device for management of electronic receipts 0 2009
7,987,120 Method and portable device for management of electronic receipts 2 2009
7,725,369 Method and server for management of electronic receipts 4 2009
7,861,919 Method and system for managing loyalty program information on a phone 1 2009
7,900,831 Method and system using wildcard values 2 2009
8,346,634 Method and apparatus for management of electronic receipts on portable devices 0 2010
8,141,777 Method and system using wildcard values 0 2011
8,244,648 Method and system for providing a distributed adaptive rules based dynamic pricing system 0 2011
 
SONY CORPORATION (4)
6,792,541 Data storage device using certification keys and method to perform access control using certification keys 6 1999
7,134,604 Non-contact IC card 1 2003
7,613,301 Data storage device and data storage method 0 2004
7,273,163 Non-contact IC card 0 2005
 
ALOFT MEDIA, LLC (3)
7,970,722 System, method and computer program product for a collaborative decision platform 0 2009
8,160,988 System, method and computer program product for a collaborative decision platform 0 2010
8,005,777 System, method and computer program product for a collaborative decision platform 10 2010
 
MICROSOFT CORPORATION (3)
7,451,926 Securing payment data 0 2006
7,975,916 Securing payment data 0 2008
8,308,063 Securing payment data 0 2011
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (2)
7,194,759 Used trusted co-servers to enhance security of web interaction 6 2000
7,818,574 System and method for providing dynamically authorized access to functionality present on an integrated circuit chip 5 2004
 
MULTOS LIMITED (2)
7,523,495 Methods and systems for IC card application loading 2 2007
7,669,055 Key transformation unit for a tamper resistant module 5 2007
 
CARBON TECHNOLOGIES NV (1)
6,964,695 Method and equipment for removing volatile compounds from air 1 2003
 
DIEBOLD, INCORPORATED (1)
8,090,663 Automated banking machine system and method 0 2006
 
GEMALTO SA (1)
7,434,250 Dynamic management of access rights lists in a portable electronic object 1 2002
 
INCARD S.A. (1)
8,381,307 Method for protecting a converted applet (CAP) file including encrypting the CAP file 0 2009
 
KT CORPORATION (1)
8,284,940 System for supporting over-the-air service and method thereof 0 2008
 
LUCENT TECHNOLOGIES INC. (1)
7,023,998 Cryptographic key processing and storage 5 2001
 
NAGRA FRANCE SAS (1)
7,299,366 Secure software customization for smartcard 0 2003
 
NCR CORPORATION (1)
7,548,621 System and method for securing a base derivation key for use in injection of derived unique key per transaction devices 0 2002
 
PRISM TECHNOLOGIES LLC (1)
8,375,212 Method for personalizing an authentication token 0 2010
 
PROTON WORLD INTERNATIONAL N.V. (1)
8,117,453 Customization of an electronic circuit 0 2006
 
ROBERT BOSCH GMBH (1)
8,060,873 Method and system for remote programming of a program-controlled device using a legitimization code 0 2004
 
TELECOM ITALIA S.P.A. (1)
8,265,282 Method of and system for secure management of data stored on electronic tags 0 2004
 
VISA INTERNATIONAL SERVICE ASSOCIATION (1)
8,429,048 System and method for processing payment transaction receipts 0 2010
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (2)
8,407,083 Method and system for managing reward reversal after posting 0 2003
8,239,261 Method and system for managing limited use coupon and coupon prioritization 0 2008

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