CRYPTOGRAPHIC DOCUMENT PROCESSING IN A NETWORK
First Claim
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1. A method for processing data received over a network by a server, the method comprising:
- determining identity information corresponding to an identity associated with a document represented by document data received over an input port of the server from a sender;
computing, at the server, a private key based on;
a master private key, and the identity information;
computing, at the server, digital information based at least in part on the document data using the computed private key; and
storing the digital information in a storage medium accessible to the server in association with the identify information.
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Abstract
Data received over a network is processed by a server. The processing includes determining identity information corresponding to an identity associated with a document represented by document data received over an input port of the server from a sender. At the server, a private key is computed based on: a master private key, and the identity information. At the server digital information is computed based at least in part on the document data using the computed private key. The digital information is stored in a storage medium accessible to the server in association with the identify information.
54 Citations
16 Claims
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1. A method for processing data received over a network by a server, the method comprising:
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determining identity information corresponding to an identity associated with a document represented by document data received over an input port of the server from a sender; computing, at the server, a private key based on;
a master private key, and the identity information;computing, at the server, digital information based at least in part on the document data using the computed private key; and storing the digital information in a storage medium accessible to the server in association with the identify information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A computer readable storage medium storing a computer program for processing data received over a network by a server comprising at least one computer system, the computer program including instructions for causing the computer system to:
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determine identity information corresponding to an identity of an originator of a document represented by document data received over an input port from a sender; compute a private key based on;
a master private key, and the identity information;compute digital information based at least in part on the document data using the computed private key; and storing the digital information in a storage medium accessible to the server in association with the identify information.
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16. A server for processing data received over a network, the server comprising:
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an input port coupled to the network configured to receive document data from a sender and store the document data in a memory; and at least one processor coupled to the memory and configured to process the document data, the processing including; determining identity information corresponding to an identity of an originator of a document represented by the document data; computing a private key based on;
a master private key, and the identity information;computing digital information based at least in part on the document data using the computed private key; and storing the digital information in a storage medium accessible to the server in association with the identify information.
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Specification