Location switch hard drive shim
First Claim
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1. A program product comprising:
- a computer useable medium having computer readable program code stored therein, the computer readable program code in said program product being effective when executing to;
determine the location of a computer which has a storage device adapted to store various data files and assume a selected location in the computer based on the determined location;
tag files to be stored in the storage device according to the selected location; and
implement a filter which (a) passes files tagged according to the selected location and removes the tags applied by the code which is effective to tag and which (b) blocks files not tagged according to the selected location.
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Abstract
A program product, method and an apparatus is disclosed to quickly and easily hide and expose and store and retrieve locally stored data. A location switch is employed in controlling the visibility and usability of files stored on a hard disk or other storage device included in the apparatus. A user selects from a plurality of location modes. Based on a selected location, files become visible and accessible or hidden and inaccessible. The files can be encrypted/decrypted on the disk and the encryption/decryption can be done in a transparent manner. The cryptology functions can also be tied to a cryptographic processor if one is available in the system.
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Citations
32 Claims
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1. A program product comprising:
a computer useable medium having computer readable program code stored therein, the computer readable program code in said program product being effective when executing to;
determine the location of a computer which has a storage device adapted to store various data files and assume a selected location in the computer based on the determined location;
tag files to be stored in the storage device according to the selected location; and
implement a filter which (a) passes files tagged according to the selected location and removes the tags applied by the code which is effective to tag and which (b) blocks files not tagged according to the selected location. - View Dependent Claims (2, 3, 4)
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5. A program product comprising:
a computer useable medium having computer readable program code stored therein, the computer readable program code in said program product being effective when executing to;
determine the location of a computer which has a storage device adapted to store various data files and assume a selected location in the computer based on the determined location;
tag files to be stored in the storage device according to the selected location wherein the contents of the tagged files are stored in an encrypted format on the storage device; and
implement a filter which (a) passes files tagged according to the selected location and removes the tags applied by the code which is effective to tag files and decrypts the contents of tagged files which have been stored in an encrypted format on the storage device and which (b) blocks files not tagged according to the selected location;
wherein, when at least one application is executed in the computer, a change in the selected location based on a newly determined location does not require termination of the at least one application. - View Dependent Claims (6, 7, 8, 9, 10, 11)
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12. A method comprising the steps of:
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determining the location of a computer which has a storage device adapted to store various data files and assuming a selected location in the computer based on the determined location;
tagging files to be stored in the storage device according to the selected location; and
implementing a filter which (a) passes files tagged according to the selected location and removes the tagging applied in said tagging step and which (b) blocks files not tagged according to the selected location. - View Dependent Claims (13, 14, 15)
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16. A method comprising the steps of:
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determining the physical location of a computer which has a storage device adapted to store various data files and assuming a selected location in the computer based on said determination;
tagging files to be stored in the storage device according to the selected location wherein the contents of the tagged files are stored in an encrypted format on the storage device; and
implementing a filter which (a) passes files tagged according to the selected location and removes the tagging applied in said tagging step and decrypts the contents of tagged files which have been stored in an encrypted format on the storage device and which (b) blocks files not tagged according to the selected location;
wherein, when at least one application is running in the computer, a change in the selected location based on newly determined location does not require termination of the at least one application. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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23. Apparatus comprising:
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a location switch which determines the physical location of a computer having a storage device capable of storing various data files, the location switch indicating a selected location based on the determined location;
a tagger which is coupled to said location switch and which tags files to be stored in the storage device by modifying the names of the files according to the selected location as indicated by said location switch; and
a filter which is coupled to said location switch and which (a) passes files tagged according to the selected location by restoring each file name to the name existing prior to the modification performed by said tagger and which (b) blocks files not tagged according to the selected location. - View Dependent Claims (24, 25, 26)
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27. Apparatus comprising:
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a location selector which determines the location of a computer and which indicates a selected location based on the determined location, wherein a storage device included in the computer is capable of storing various data files;
a tagger which is coupled to said location selector and which tags files to be stored in the storage device by modifying the names of the files according to the selected location as indicated by said location selector and which stores the contents of the tagged files in an encrypted format on the storage device; and
a filter which is coupled to said location selector and which (a) passes files tagged according to the selected location by restoring each file name to the name existing prior to the modification performed by said tagger and by decrypting the contents of tagged files which have been stored in an encrypted format on the storage device and which (b) blocks files not tagged according to the selected location;
wherein, when at least one application is running in the computer, a change in the selected location based on a newly determined location does not require termination of the at least one application. - View Dependent Claims (28, 29, 30, 31, 32)
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Specification