US Patent No: 8,037,314 - Analytics, PDF, Full Text and PAIR Access

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Replacing blinded authentication authority

ALSO PUBLISHED AS: 20050137898

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Abstract

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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

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Patent Owner(s)

Patent OwnerAddressTotal Patents
INTEL CORPORATIONSANTA CLARA, CA25351

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brickell, Ernie Portland, OR 33 139
Wood, Matthew D Hillsboro, OR 52 703

Cited Art Landscape

Patent Info (Count) # Cites Year
 
INTEL CORPORATION (47)
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5,805,712 Apparatus and method for providing secured communications 266 1995
5,835,594 Methods and apparatus for preventing unauthorized write access to a protected non-volatile storage 150 1996
5,729,760 System for providing first type access to register if processor in first mode and second type access to register if processor not in first mode 127 1996
5,844,986 Secure BIOS 276 1996
5,937,063 Secure boot 189 1996
5,903,752 Method and apparatus for embedding a real-time multi-tasking kernel in a non-real-time operating system 115 1996
5,852,717 Performance optimizations for computer networks utilizing HTTP 269 1996
5,757,919 Cryptographically protected paging subsystem 214 1996
5,978,481 Modem compatible method and apparatus for encrypting data that is transparent to software applications 100 1997
6,058,478 Apparatus and method for a vetted field upgrade 124 1997
6,175,925 Tamper resistant player for scrambled contents 127 1997
6,178,509 Tamper resistant methods and apparatus 139 1997
6,205,550 Tamper resistant methods and apparatus 135 1997
6,357,004 System and method for ensuring integrity throughout post-processing 117 1997
6,249,872 Method and apparatus for increasing security against unauthorized write access to a protected memory 104 1998
6,192,455 Apparatus and method for preventing access to SMRAM space through AGP addressing 119 1998
6,173,417 Initializing and restarting operating systems 155 1998
6,115,816 Optimized security functionality in an electronic system 127 1998
2002/0004,900 METHOD FOR SECURE ANONYMOUS COMMUNICATION 73 1998
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6,282,650 Secure public digital watermark 168 1999
6,389,537 Platform and method for assuring integrity of trusted agent communications 217 1999
6,633,981 Electronic system and method for controlling access through user authentication 120 1999
6,535,988 System for detecting over-clocking uses a reference signal thereafter preventing over-clocking by reducing clock rate 108 1999
6,374,317 Method and apparatus for initializing a computer interface 115 1999
6,507,904 Executing isolated mode instructions in a secure system running in privilege rings 131 2000
6,990,579 Platform and method for remote attestation of a platform 14 2000
6,996,710 Platform and method for issuing and certifying a hardware-protected attestation key 15 2000
7,013,481 Attestation key memory device and bus 16 2000
6,633,963 Controlling access to multiple memory zones in an isolated execution environment 140 2000
6,678,825 Controlling access to multiple isolated memories in an isolated execution environment 92 2000
7,272,831 Method and apparatus for constructing host processor soft devices independent of the host processor operating system 28 2001
2003/0002,668 Multi-level, multi-dimensional content protections 21 2001
7,103,529 Method for providing system integrity and legacy environment emulation 35 2001
7,103,771 Connecting a virtual token to a physical token 33 2001
2003/0126,453 Processor supporting execution of an authenticated code instruction 83 2001
2002/0154,782 System and method for key distribution to maintain secure communication 44 2002
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2004/0193,888 Platform information for digital signatures 17 2003
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5,854,913 Microprocessor with an architecture mode control capable of supporting extensions of two distinct instruction-set architectures 155 1997
6,175,924 Method and apparatus for protecting application data in secure storage areas 139 1997
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6,615,278 Cross-platform program, system, and method having a global registry object for mapping registry equivalent functions in an OS/2 operating system environment 94 1999
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CP8 TECHNOLOGIES (14)
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5,479,509 Method for signature of an information processing file, and apparatus for implementing it 215 1994
5,533,126 Key protection device for smart cards 86 1994
5,528,231 Method for the authentication of a portable object by an offline terminal, and apparatus for implementing the process 102 1994
5,442,645 Method for checking the integrity of a program or data, and apparatus for implementing this method 186 1994
5,566,323 Data processing system including programming voltage inhibitor for an electrically erasable reprogrammable nonvolatile memory 89 1994
5,867,577 Method and apparatus for authenticating a data carrier intended to enable a transaction or access to a service or a location, and corresponding carrier 104 1995
5,825,875 Process for loading a protected storage zone of an information processing device, and associated device 124 1995
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HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (13)
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6,055,637 System and method for accessing enterprise-wide resources by presenting to the resource a temporary credential 351 1996
5,737,604 Method and apparatus for independently resetting processors and cache controllers in multiple processor systems 113 1996
5,953,422 Secure two-piece user authentication in a computer network 94 1996
6,061,794 System and method for performing secure device communications in a peer-to-peer bus architecture 245 1997
6,378,072 Cryptographic system 221 1998
6,125,430 Virtual memory allocation in a virtual address space having an inaccessible gap 141 1998
6,275,933 Security system for a computerized apparatus 96 1999
6,988,250 Trusted computing platform using a trusted device assembly 46 2000
 
MICROSOFT CORPORATION (11)
4,974,159 Method of transferring control in a multitasking computer system 57 1988
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6,327,652 Loading and identifying a digital rights management operating system 415 1999
6,330,670 Digital rights management operating system 439 1999
6,609,199 Method and apparatus for authenticating an open system application to a portable IC device 178 1999
6,651,171 Secure execution of program code 143 1999
6,871,276 Controlled-content recoverable blinded certificates 16 2000
2005/0132,202 Attesting to establish trust between computer entities 15 2003
7,370,196 Controlled-content recoverable blinded certificates 3 2004
 
HITACHI, LTD. (9)
4,975,836 Virtual computer system 113 1985
4,802,084 Address translator 104 1986
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5,437,033 System for recovery from a virtual machine monitor failure with a continuous guest dispatched to a nonguest mode 145 1991
5,511,217 Computer system of virtual machines sharing a vector processor 121 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 120 1993
5,628,022 Microcomputer with programmable ROM 98 1994
5,504,922 Virtual machine with hardware display controllers for base and target machines 106 1994
 
AKAMAI TECHNOLOGIES, INC. (5)
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 25 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 25 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 25 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 25 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 25 2009
 
SUN MICROSYSTEMS, INC. (5)
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6,131,166 System and method for cross-platform application level power management 149 1999
 
LENOVO (SINGAPORE) PTE LTD. (4)
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6,684,326 Method and system for authenticated boot operations in a computer system of a networked computing environment 114 1999
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2003/0037,246 Flash update using a trusted platform module 41 2001
 
GLOBALFOUNDRIES INC. (3)
6,093,213 Flexible implementation of a system management mode (SMM) in a processor 100 1996
6,044,478 Cache with finely granular locked-down regions 147 1997
2002/0147,916 Method and apparatus for securing portions of memory 87 2001
 
INTELLECTUAL VENTURES II LLC (3)
5,615,263 Dual purpose security architecture with protected internal operating system 187 1995
6,314,409 System for controlling access and distribution of digital property 489 1998
6,188,257 Power-on-reset logic with secure power down capability 97 1999
 
VMWARE, INC. (3)
6,496,847 System and method for virtualizing computer systems 274 1998
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ADVANCED MICRO DEVICES, INC. (2)
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6,499,123 Method and apparatus for debugging an integrated circuit 149 2000
 
ATI TECHNOLOGIES ULC (2)
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Codex Technologies, Inc. (2)
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2003/0018,892 Computer with a modified north bridge, security engine and smart card having a secure boot capability and method for secure booting a computer 123 2001
 
FUJITSU LIMITED (2)
4,347,565 Address control system for software simulation 121 1979
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GREENLIANT LLC (2)
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6,505,279 Microcontroller system having security circuitry to selectively lock portions of a program memory address space 98 1998
 
MITSUBISHI DENKI KABUSHIKI KAISHA (2)
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SAFENET, INC. (2)
6,282,657 Kernel mode protection 124 1998
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SILICON GRAPHICS INTERNATIONAL, CORP. (2)
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Other [Check patent profile for assignment information] (3)
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Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
BLACKBERRY LIMITED (2)
8,347,080 System and method for multi-certificate and certificate authority strategy 0 2010
8,719,577 System and method for multi-certificate and certificate authority strategy 0 2012

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