Method and device for distributing electronic documents
First Claim
1. A method for distributing an electronic document, comprising:
- registering a first authorization certificate of an electronic document, wherein the first authorization certificate comprises authorized copies information of the electronic document;
taking the authorized copies information of the electronic document in the first authorization certificate as a first authorized copies information of the electronic document;
wherein the first authorized copies information records a first number of authorized copies for the electronic document a local user may distribute, every time distributing the electronic document to a user the method comprises;
sending second authorized copies information to the user, wherein the second authorized copies information records a second number of authorized copies for the electronic document the user may distribute, and the second number of authorized copies is less than or equal to the first number of authorized copies currently recorded in the first authorized copies information;
updating the first authorized copies information, updated first number of authorized copies recorded in the updated first authorized copies information is equal to a value obtained by subtracting the second number of authorized copies from the first number of authorized copies recorded in the first authorized copies information last time;
before registering the first authorization certificate of the electronic document, determining whether there is a registered authorization certificate which is same with the first authorization certificate;
wherein, determining whether there is a registered authorization certificate which is same with the first authorization certificate comprises;
determining whether there is a registered authorization certificate having the same copies information with that of the first authorization certificate;
refusing to register the first authorization certificate of the electronic document if there is a registered authorization certificate which is same with the first authorization certificate.
1 Assignment
0 Petitions
Accused Products
Abstract
Embodiments provide a method and device for distributing an electronic document. The electronic document possesses first authorized copies information used to record a first number of authorized copies for the electronic document a local user may distribute. Every time the electronic document is distributed to a user, second authorized copies information is sent to the user, which second authorized copies information is used to record a second number of authorized copies for the electronic document the user may distribute, and the second number of authorized copies is less than or equal to the first number of authorized copies currently recorded in the first authorized copies information.
2 Citations
16 Claims
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1. A method for distributing an electronic document, comprising:
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registering a first authorization certificate of an electronic document, wherein the first authorization certificate comprises authorized copies information of the electronic document;
taking the authorized copies information of the electronic document in the first authorization certificate as a first authorized copies information of the electronic document;
wherein the first authorized copies information records a first number of authorized copies for the electronic document a local user may distribute, every time distributing the electronic document to a user the method comprises;sending second authorized copies information to the user, wherein the second authorized copies information records a second number of authorized copies for the electronic document the user may distribute, and the second number of authorized copies is less than or equal to the first number of authorized copies currently recorded in the first authorized copies information; updating the first authorized copies information, updated first number of authorized copies recorded in the updated first authorized copies information is equal to a value obtained by subtracting the second number of authorized copies from the first number of authorized copies recorded in the first authorized copies information last time; before registering the first authorization certificate of the electronic document, determining whether there is a registered authorization certificate which is same with the first authorization certificate;
wherein, determining whether there is a registered authorization certificate which is same with the first authorization certificate comprises;
determining whether there is a registered authorization certificate having the same copies information with that of the first authorization certificate;refusing to register the first authorization certificate of the electronic document if there is a registered authorization certificate which is same with the first authorization certificate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A device for distributing an electronic document, comprising:
- a processor and a memory;
the processor is adapted to communicate with the memory, and to execute machine readable instructions in the memory; the memory is adapted to store the machine readable instructions implementing the following operations when executed by the processor; to register a first authorization certificate of an electronic document in or out the electronic document, wherein the first authorization certificate comprises first authorized copies information of the electronic document; to send the electronic document and second authorized copies information to a user, wherein the second authorized copies information is used to record a second number of authorized copies for the electronic document which the user may distribute, and the second number of authorized copies recorded by the second authorized copies information is less than or equal to a first number of authorized copies currently recorded in the first authorized copies information; to update the first authorized copies information using the second authorized copies information, wherein updated first number of authorized copies recorded in the updated first authorized copies information is equal to a value obtained by subtracting the second number of authorized copies from the first number of authorized copies recorded in the first authorized copies information last time; to determine, before registering the first authorization certificate of the electronic document, whether there is a registered authorization certificate having the same copies information with that of the first authorization certificate; to refuse to register the first authorization certificate of the electronic document if there is a registered authorization certificate which is same with the first authorization certificate. - View Dependent Claims (13, 14, 15, 16)
- a processor and a memory;
Specification