Computer networked system and method of digital file management and authentication
First Claim
1. A method for registering at least one digital file, the method comprising the steps of:
- a) recognizing an occurrence of an event on a computer system;
b) in response to said occurrence of said event, performing a digital signature routine on said at least one digital file to obtain a digital signature of said at least one digital file;
c) creating a time stamp corresponding to the time of submission of said at least one digital file; and
d) sending said digital signature and said time stamp to a remote location;
wherein a user on said computer system does not need to perform any act exclusive to the method in order to cause the method to automatically execute.
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Accused Products
Abstract
The digital file management system and method of the present invention provides a processing service that may be located remotely on a computer network that receives digital files from users and performs file identification, authentication and verification, including time and digital signature. The system and method may include the remote processing and storage of file information such that the user does not need to maintain any application specific software at the user'"'"'s local site. The system and method may record additional independent data with each stored file including: a “true date” gleaned from a secure clock which is not settable by the user (the Authentidate™); a number derived from a cyclic redundancy code (CRC) algorithm or checksum routine against the file; and a CRC or checksum derived from the “true date”, (the “date CRC”). This additional data may be recorded within each digital file after the file is acquired. If the file is altered after the recording of the additional data, recalculation of the CRC on the altered file will not match the original CRC recorded within it. Thus, that the file was altered can be detected. Likewise, if the true date is altered in any way, recalculation of the date CRC will similarly reveal this fact. The CRCs can be checked and verified at any time. If the recalculated value matches the recorded value, the file can be verified as being recorded on the specified date and has not been altered since that time.
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Citations
69 Claims
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1. A method for registering at least one digital file, the method comprising the steps of:
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a) recognizing an occurrence of an event on a computer system;
b) in response to said occurrence of said event, performing a digital signature routine on said at least one digital file to obtain a digital signature of said at least one digital file;
c) creating a time stamp corresponding to the time of submission of said at least one digital file; and
d) sending said digital signature and said time stamp to a remote location;
wherein a user on said computer system does not need to perform any act exclusive to the method in order to cause the method to automatically execute. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method for registering at least one digital file, the method comprising the steps of:
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a) recognizing an occurrence of an event on a computer system; and
b) in response to said occurrence of said event;
sending said at least one digital file to a remote location for creation of a digital signature and authenticating time stamp;
wherein a user on the computer system does not need to perform any act exclusive to the method in order to cause the method to automatically execute. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A method for registering at least one digital file, the method comprising the steps of:
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a) recognizing an occurrence of an event on a computer system; and
b) in response to said occurrence of said event;
i) performing a digital signature routine on said at least one digital file; and
ii) sending said at least one digital file to a remote location for creation of a digital signature and authenticating time stamp;
wherein a user on said computer system does not need to perform any act exclusive to the method in order to cause the method to automatically execute. - View Dependent Claims (42)
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43. A method for registering at least one digital file, the method comprising the steps of:
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a) receiving at a server remote to a computer system a digital signature corresponding to said at least one digital file, said digital signature having been created on said computer system in response to an event at said computer system; and
b) determining a time stamp corresponding to the time of receipt of said digital signature;
wherein a user on said computer system does not need to perform any act exclusive to the method in order to cause said digital signature to be automatically created. - View Dependent Claims (44)
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45. A method for registering at least one digital file, the method comprising the steps of:
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a) receiving at a remote server said at least one digital file, said at least one digital file having been sent from a computer system in response to an event at said computer system;
b) performing a digital signature routine on said at least one digital file to obtain a digital signature of said at least one digital file; and
c) determining a time stamp corresponding to the time of receipt of said digital file;
wherein a user on said computer system does not need to perform any act exclusive to the method in order to cause said computer system to send said at least one digital file. - View Dependent Claims (46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65)
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66. A computer-readable medium having stored thereon a plurality of instructions, said plurality of instructions including instructions which, when executed by a processor, cause said processor to:
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a) recognize an occurrence of an event on a computer system;
b) in response to said occurrence of said event, perform a digital signature routine on at least one digital file to obtain a digital signature of said at least one digital file;
c) create a time stamp corresponding to the time of submission of said at least one digital file; and
d) send said digital signature and said time stamp to a remote location;
wherein a user on said computer system does not need to perform any act exclusive to the system in order to cause the method to automatically execute. - View Dependent Claims (67)
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68. A computer-readable medium having stored thereon a plurality of instructions, said plurality of instructions including instructions which, when executed by a processor, cause said processor to:
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a) perform a digital signature routine on at least one digital file to obtain a digital signature of said at least one digital file, wherein said at least one digital file was sent from a computer system in response to an event at said computer system; and
b) determine a time stamp corresponding to the time of receipt of said digital file;
wherein a user on said computer system does not need to perform any act exclusive to the system in order to cause said computer system to send said at least one digital file. - View Dependent Claims (69)
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Specification