US Patent No: 8,037,314

Number of patents in Portfolio can not be more than 2000

Replacing blinded authentication authority

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ALSO PUBLISHED AS: 20050137898
ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

A manufacturing entity provides a blinded signature to a secure device and associates a time with the blinded signature. If a signing key is compromised, the manufacturing entity provides a time of the compromise and the time associated with the blinded signature to the replacement authority.

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First Claim

Related Publications

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Patent Owner(s)

Patent OwnerAddressTotal Patents
INTEL CORPORATIONSANTA CLARA, CA24136

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brickell, Ernie Portland, OR 26 83
Wood, Matthew D Hillsboro, OR 46 554

Cited Art

Patent Info (Count) # Cites Year
 
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HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (13)
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MICROSOFT CORPORATION (11)
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6,327,652 Loading and identifying a digital rights management operating system 382 1999
6,330,670 Digital rights management operating system 389 1999
6,609,199 Method and apparatus for authenticating an open system application to a portable IC device 163 1999
6,651,171 Secure execution of program code 135 1999
6,871,276 Controlled-content recoverable blinded certificates 13 2000
2005/0132,202 Attesting to establish trust between computer entities 11 2003
7,370,196 Controlled-content recoverable blinded certificates 1 2004
 
HITACHI, LTD. (10)
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5,511,217 Computer system of virtual machines sharing a vector processor 109 1993
5,506,975 Virtual machine I/O interrupt control method compares number of pending I/O interrupt conditions for non-running virtual machines with predetermined number 108 1993
5,628,022 Microcomputer with programmable ROM 91 1994
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LENOVO (SINGAPORE) PTE LTD. (4)
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GLOBALFOUNDRIES INC. (3)
6,093,213 Flexible implementation of a system management mode (SMM) in a processor 94 1996
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VMWARE, INC. (3)
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GREENLIANT LLC (2)
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Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
RESEARCH IN MOTION LIMITED (1)
8,347,080 System and method for multi-certificate and certificate authority strategy 0 2010

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