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TW200506634A - Physical presence determination in a trusted platform - Google Patents

Physical presence determination in a trusted platform

Info

Publication number
TW200506634A
TW200506634ATW093107443ATW93107443ATW200506634ATW 200506634 ATW200506634 ATW 200506634ATW 093107443 ATW093107443 ATW 093107443ATW 93107443 ATW93107443 ATW 93107443ATW 200506634 ATW200506634 ATW 200506634A
Authority
TW
Taiwan
Prior art keywords
physical presence
trusted platform
trust
presence determination
computer system
Prior art date
Application number
TW093107443A
Other languages
Chinese (zh)
Other versions
TWI319147B (en
Inventor
Ryan Charles Catherman
Steven Dale Goodman
James Patrick Hoff
Randall Scott Springfield
James Peter Ward
Original Assignee
Ibm
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
Priority claimed from US10/411,408external-prioritypatent/US7269747B2/en
Priority claimed from US10/411,454external-prioritypatent/US7590870B2/en
Priority claimed from US10/411,415external-prioritypatent/US7254722B2/en
Application filed by IbmfiledCriticalIbm
Publication of TW200506634ApublicationCriticalpatent/TW200506634A/en
Application grantedgrantedCritical
Publication of TWI319147BpublicationCriticalpatent/TWI319147B/en

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Abstract

A computer system is presented which provides a trusted platform by which operations can be performed with an increased level trust and confidence. The basis of trust for the computer system is established by an encryption coprocessor and by code which interfaces with the encryption coprocessor and establishes root of trust metrics for the platform. The encryption coprocessor is built such that certain critical operations are allowed only if physical presence of an operator has been detected. Physical presence is determined by inference based upon the status of registers in the core chipset.
TW093107443A2003-04-102004-03-19Apparatus, motherboard, method and computer-readable storage medium recording instructions capable of determinging physical presence in a trusted platform in a computer systemTWI319147B (en)

Applications Claiming Priority (3)

Application NumberPriority DateFiling DateTitle
US10/411,408US7269747B2 (en)2003-04-102003-04-10Physical presence determination in a trusted platform
US10/411,454US7590870B2 (en)2003-04-102003-04-10Physical presence determination in a trusted platform
US10/411,415US7254722B2 (en)2003-04-102003-04-10Trusted platform motherboard having physical presence detection based on activation of power-on-switch

Publications (2)

Publication NumberPublication Date
TW200506634Atrue TW200506634A (en)2005-02-16
TWI319147B TWI319147B (en)2010-01-01

Family

ID=33162934

Family Applications (1)

Application NumberTitlePriority DateFiling Date
TW093107443ATWI319147B (en)2003-04-102004-03-19Apparatus, motherboard, method and computer-readable storage medium recording instructions capable of determinging physical presence in a trusted platform in a computer system

Country Status (4)

CountryLink
JP (1)JP4422717B2 (en)
KR (1)KR100977267B1 (en)
TW (1)TWI319147B (en)
WO (1)WO2004090701A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
CN110569633A (en)*2012-10-252019-12-13英特尔公司Theft protection in firmware

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US7360253B2 (en)*2004-12-232008-04-15Microsoft CorporationSystem and method to lock TPM always ‘on’ using a monitor
US7725703B2 (en)*2005-01-072010-05-25Microsoft CorporationSystems and methods for securely booting a computer with a trusted processing module
JP4800340B2 (en)*2008-03-182011-10-26レノボ・シンガポール・プライベート・リミテッド Physical presence authentication method and computer based on TCG specification
US20140040636A1 (en)*2011-04-292014-02-06Jeff JeansonneEmbedded controller to verify crtm
US9015455B2 (en)*2011-07-072015-04-21Intel CorporationProcesssor integral technologies for BIOS flash attack protection and notification
JP5465738B2 (en)*2012-01-302014-04-09レノボ・シンガポール・プライベート・リミテッド System firmware update method and computer
JP2012234580A (en)*2012-09-052012-11-29Ricoh Co LtdInformation processing apparatus, validity verification method and validity verification program
US9230081B2 (en)*2013-03-052016-01-05Intel CorporationUser authorization and presence detection in isolation from interference from and control by host central processing unit and operating system
KR102111493B1 (en)*2018-11-082020-05-15김민식Kit for developing a trusted platform using Trusted Platform Module

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JP3959159B2 (en)*1997-09-042007-08-15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 Information processing system expansion unit, information processing system mounted on the expansion unit, and information processing system control method
US6038671A (en)*1998-03-122000-03-14Compaq Computer CorporationPower management of a computer system using a power button
DE69841269D1 (en)*1998-07-152009-12-17Hewlett Packard Co Remote activation of a computer
JP2002099359A (en)*2000-09-252002-04-05Toshiba Corp Power switch / lock device for portable electronic devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
CN110569633A (en)*2012-10-252019-12-13英特尔公司Theft protection in firmware
CN110569633B (en)*2012-10-252023-04-18英特尔公司Theft protection in firmware

Also Published As

Publication numberPublication date
KR20050123152A (en)2005-12-29
JP2006522377A (en)2006-09-28
TWI319147B (en)2010-01-01
KR100977267B1 (en)2010-08-23
WO2004090701A2 (en)2004-10-21
WO2004090701A3 (en)2004-12-02
JP4422717B2 (en)2010-02-24

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Legal Events

DateCodeTitleDescription
MM4AAnnulment or lapse of patent due to non-payment of fees
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