CA2509358A1 - System and method of owner control of electronic devices - Google Patents

System and method of owner control of electronic devices Download PDF

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Publication number
CA2509358A1
CA2509358A1 CA002509358A CA2509358A CA2509358A1 CA 2509358 A1 CA2509358 A1 CA 2509358A1 CA 002509358 A CA002509358 A CA 002509358A CA 2509358 A CA2509358 A CA 2509358A CA 2509358 A1 CA2509358 A1 CA 2509358A1
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CA
Canada
Prior art keywords
electronic device
owner
control information
information
owner control
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.)
Granted
Application number
CA002509358A
Other languages
French (fr)
Other versions
CA2509358C (en
Inventor
Herbert A. Little
David R. Clark
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.)
BlackBerry Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2509358A1 publication Critical patent/CA2509358A1/en
Application granted granted Critical
Publication of CA2509358C publication Critical patent/CA2509358C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • 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
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • 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
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • 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
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2103—Challenge-response
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2143—Clearing memory, e.g. to prevent the data from being stolen
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2149—Restricted operating environment
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2153—Using hardware token as a secondary aspect

Abstract

A system and method of owner control of an electronic device are provided. Owner identification information, such as data integrity and source authentication information, is stored on the electronic device. Received own er control information is stored on the electronic device where the integrity o f the received owner control information is verified and/or the source is authenticated using the owner identification information. In one embodiment, owner identification information comprises an owner signature private key.</ SDOAB>

Claims (29)

1. A method of controlling electronic devices, comprising the steps of:

receiving, at an electronic device, owner information which includes owner identification information;
receiving, at the electronic device, owner control information;
using the received owner identification information to check integrity of the received owner control information; and determining whether to use the received owner control information on the electronic device based upon the check of the integrity of the owner control information;
wherein the electronic device is controlled based upon the determining of whether to use the received owner control information.
2. the method of claim 1, wherein the owner identification information includes data integrity information which is used to check the integrity of the received owner control information.
3. The method of claim 2, wherein the data integrity information of the owner information is a digital signature.
4. The method of claim 1, wherein the owner identification information includes source authentication information, said method further comprising authenticating a source of the owner control information.
5. The method of claim 4, determining whether to use the received owner control information based upon the source of the owner control information being authenticated
6. The method of claim 5, wherein the source is an authorized source.
7. The method of claim 6, wherein the authorized source is owner of the electronic device.
8. The method of claim 5, wherein the authorized source is a source acting on behalf of the owner.
9. The method of claim 1, further comprising the step of checking integrity of the owner identification information by use of a digital signature.
10. The method of claim 9, wherein the digital signature is created by an application of a cryptographic algorithm to the owner information.
11. The method of claim 10, wherein the cryptographic algorithm includes use of a symmetric key.
12. The method of claim 10, wherein the cryptographic algorithm includes use of a asymmetric key.
13. The method of claim 1, wherein the owner control information comprises a description of functions or software applications the electronic device is allowed to use;
wherein the electronic device is controlled using the received description of functions or software applications.
14. The method of claim 1, wherein the owner control information comprises a description of functions or software applications the electronic device is prohibited to use; wherein the electronic device is controlled using the received description of functions or software applications.
15. The method of claim 1, wherein the owner control information comprises a description of functions or software applications the electronic device is permitted to use in a modified manner, wherein the electronic device is controlled using the received description of functions or software applications.
16. The method of claim 1, further comprising the step of determining whether to perform an operation on the electronic device based upon whether the owner information exists on the electronic device.
17. The method of claim 1, further comprising the step of determining whether to perform an operation on the electronic device based upon whether the owner control information exists on the electronic device.
18. The method of claim 1, further comprising the step of determining whether to perform an operation on the electronic device based upon an operation permissions list contained in the owner control information.
19. The method of claim 1, further comprising the steps of receiving, at the electronic device, an erase command;
wherein the erase command indicates that the owner information is to be erased from the electronic device;
wherein the erase command, is digitally signed;
determining whether to perform the erase command based upon checking integrity of the digitally signed erase command.
20. The method of claim 1, wherein the owner control information includes an authorised software application list:
wherein the authorized software application list identifies an authorized software application by a hash of the software application;
wherein the software application is used on the electronic device based upon an integrity check using ht hash of the software application.
21. The method of claim 1, wherein the electronic device is a wireless mobile communications device.
22. The method of claim 1, wherein the electronic device is a desktop computer.
23. The method of claim 1, wherein the electronic device is a personal digital assistant (PDA).
24. The method of claim 1, further comprising the steps of:
issuing a cryptographic challenge using an encryption key stored on the electronic device and which is associated with an owner of the electronic device;
determining whether to perform an operation an the electronic device based upon determination of the issued cryptographic challenge.
25. The method of claim 24, wherein the encryption key is a public key of the owner or a secret key shared between the owner and the electronic device.
26. Computer readable medium capable of causing an electronic device to perform the method of claim 1.
27. A system for controlling an electronic device, comprising:
an owner information store configured to store owner information having data integrity information; and an owner control information store configured to store owner control information for controlling operation of an electronic device;
wherein the stored data integrity information is used to check integrity of the owner control information;
wherein, whether to use the owner control information on, the electronic device is determined based upon the check of the integrity of the owner control information;
wherein the electronic device.is controlled based upon the determining of whether to use the owner control information.
28. The system of claim 27 further comprising an insertion module configured to receive owner control information.
29. An apparatus for controlling electronic devices, comprising:
means for receiving, at an electronic device, owner information which includes owner identification information;
means for receiving, at the electronic device, owner control information;
means for using the received owner identification information to check integrity of the received owner control information; and means for determining whether to use the received owner control information on the electronic device based upon the check of the integrity of the owner control information;
wherein the electronic device is controlled based upon the means for determining whether to use the received owner control information.
CA2509358A 2002-12-12 2003-12-12 System and method of owner control of electronic devices Expired - Lifetime CA2509358C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US43261002P 2002-12-12 2002-12-12
US60/432,610 2002-12-12
PCT/CA2003/001944 WO2004053618A2 (en) 2002-12-12 2003-12-12 System and method of owner control of electronic devices

Publications (2)

Publication Number Publication Date
CA2509358A1 true CA2509358A1 (en) 2004-06-24
CA2509358C CA2509358C (en) 2012-04-03

Family

ID=32507971

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2509358A Expired - Lifetime CA2509358C (en) 2002-12-12 2003-12-12 System and method of owner control of electronic devices

Country Status (9)

Country Link
US (3) US7793355B2 (en)
EP (1) EP1573473A2 (en)
JP (2) JP4713156B2 (en)
KR (1) KR100764585B1 (en)
CN (1) CN1748191B (en)
AU (1) AU2003292922B2 (en)
BR (1) BR0317233A (en)
CA (1) CA2509358C (en)
WO (1) WO2004053618A2 (en)

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Also Published As

Publication number Publication date
AU2003292922A1 (en) 2004-06-30
CN1748191A (en) 2006-03-15
US7793355B2 (en) 2010-09-07
KR20050085597A (en) 2005-08-29
KR100764585B1 (en) 2007-10-09
WO2004053618A3 (en) 2004-09-02
US8302185B2 (en) 2012-10-30
AU2003292922B2 (en) 2009-01-08
WO2004053618A2 (en) 2004-06-24
US20100325741A1 (en) 2010-12-23
US20040255169A1 (en) 2004-12-16
JP2009284505A (en) 2009-12-03
US20130007877A1 (en) 2013-01-03
JP2006523966A (en) 2006-10-19
CA2509358C (en) 2012-04-03
CN1748191B (en) 2010-05-12
JP4713156B2 (en) 2011-06-29
EP1573473A2 (en) 2005-09-14
BR0317233A (en) 2005-11-01

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