Personal information control and processing
First Claim
1. ) A personal information controlling system that limits use of personal information stored in a storage device, the system comprising:
- controlling means for controlling a privacy policy for each piece of personal information in connection with a specified available period in which a user of said personal information is allowed to use said personal information, the privacy policy being information specifying the available period;
key acquiring means for acquiring a cipher key for a cipher that can be deciphered by an administrator of said privacy policy and that cannot be deciphered by the user of said personal information; and
ciphering means for using said cipher key acquired by said key acquiring means to cipher said personal information so that said user cannot use the personal information if the available period specified by said privacy policy has expired.
1 Assignment
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Accused Products
Abstract
The present invention provides a personal information controlling system that limits use of personal information stored in a storage device. An example of a system comprises: controlling means for controlling a privacy policy for each piece of personal information in connection with a specified available period in which a user of the personal information is allowed to use the personal information, the privacy policy being information specifying the available period; key acquiring means for acquiring a cipher key for a cipher that can be deciphered by an administrator of the privacy policy and that cannot be deciphered by the user of the personal information; and ciphering means for using the cipher key acquired by the key acquiring means to cipher the personal information so that the user cannot use the personal information if the available period specified by the privacy policy has expired.
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Citations
17 Claims
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1. ) A personal information controlling system that limits use of personal information stored in a storage device, the system comprising:
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controlling means for controlling a privacy policy for each piece of personal information in connection with a specified available period in which a user of said personal information is allowed to use said personal information, the privacy policy being information specifying the available period;
key acquiring means for acquiring a cipher key for a cipher that can be deciphered by an administrator of said privacy policy and that cannot be deciphered by the user of said personal information; and
ciphering means for using said cipher key acquired by said key acquiring means to cipher said personal information so that said user cannot use the personal information if the available period specified by said privacy policy has expired. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 16)
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9. ) An information processing system comprising:
- a personal information controlling system that limits use of personal information stored in a storage device, wherein the personal information controlling system having controlling means for controlling a privacy policy for each piece of personal information in connection with a specified available period in which a user of said personal information is allowed to use said personal information, the privacy policy being information specifying the available period;
key acquiring means for acquiring a cipher key for a cipher that can be deciphered by an administrator of said privacy policy and that cannot be deciphered by the user of said personal information; and
ciphering means for using said cipher key acquired by said key acquiring means to cipher said personal information so that said user cannot use the personal information if the available period specified by said privacy policy has expired; and
a user terminal of a user that uses said personal information stored in said storage device,wherein said user terminal reads and uses said personal information during the available period specified by the privacy policy based on the instruction of said user. - View Dependent Claims (10, 11, 14, 15, 17)
- a personal information controlling system that limits use of personal information stored in a storage device, wherein the personal information controlling system having controlling means for controlling a privacy policy for each piece of personal information in connection with a specified available period in which a user of said personal information is allowed to use said personal information, the privacy policy being information specifying the available period;
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12. ) A personal information controlling method that limits use of personal information stored in a storage device of a computer, the method comprising:
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a controlling step executed by said computer to control a privacy policy for each piece of personal information in connection with a specified available period in which a user of said personal information is allowed to use said personal information, the privacy policy being information specifying the available period;
a key acquiring step executed by said computer to acquire a cipher key for a cipher that can be deciphered by an administrator of said privacy policy and that cannot be deciphered by the user of said personal information; and
a ciphering step executed by said computer to use said cipher key acquired by said key acquiring means to cipher said personal information so that said user cannot use the personal information if the available period specified by said privacy policy has expired.
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13. ) A program product that is executed on a computer to work as a personal information controlling system that limits use of personal information stored in a storage device, the program products comprising a computer-readable storage medium having computer-readable program code means embodied in the medium, the computer-readable program code means comprising:
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controlling means for controlling a privacy policy for each piece of personal information in connection with a specified available period in which a user of said personal information is allowed to use said personal information, the privacy policy being information specifying the available period;
key acquiring means for acquiring a cipher key for a cipher that can be deciphered by an administrator of said privacy policy and that cannot be deciphered by the user of said personal information; and
ciphering means for using said cipher key acquired by said key acquiring means to cipher said personal information so that said user cannot use the personal information if the available period specified by said privacy policy has expired.
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Specification