METHOD AND SYSTEM FOR THE SUPPLY OF DATA, TRANSACTIONS AND ELECTRONIC VOTING
First Claim
1. A system for providing a digital signature based on a digital certificate, the system comprising:
- a described entity application with means for generating a digital signature using a private key corresponding to a public key, the signed data including;
one or more attributes identifying a digital certificate to be generated;
a signing entity application having means for generating a digital certificate with an electronic signature and including;
one or more attributes of a described entity which are sufficient to obtain the public key;
one or more attributes of the digital certificate which include one or more attributes identifying the signing entity; and
an indicated period of validity of the digital certificate which begins earlier than the time of generation of the digital certificate;
wherein the digital certificate is generated after the generation of the digital signature.
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Accused Products
Abstract
A method and system for supply of data, including generating a first digital certificate referred (empowerment certificate) signed with a first signing entity'"'"'s electronic signature. The empowerment certificate includes attributes of the described entity, information identifying the first signing entity, indication of data relating to the described entity, indication of a source of the data, and identification of a relying entity to which the data can be supplied. The relying entity forwards the empowerment certificate to a source supplying the data indicated in the empowerment certificate. The data may be supplied to the relying entity by a second digital certificate (custom certificate), signed with a second signing entity'"'"'s electronic signature. Custom certificates may appear in custom certificate revocation lists. A system and method for transfer of ownership of electronic property from a first entity to a second entity, and a method and system for electronic voting are also provided.
40 Citations
13 Claims
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1. A system for providing a digital signature based on a digital certificate, the system comprising:
- a described entity application with means for generating a digital signature using a private key corresponding to a public key, the signed data including;
one or more attributes identifying a digital certificate to be generated;
a signing entity application having means for generating a digital certificate with an electronic signature and including;
one or more attributes of a described entity which are sufficient to obtain the public key;
one or more attributes of the digital certificate which include one or more attributes identifying the signing entity; and
an indicated period of validity of the digital certificate which begins earlier than the time of generation of the digital certificate;
wherein the digital certificate is generated after the generation of the digital signature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
- a described entity application with means for generating a digital signature using a private key corresponding to a public key, the signed data including;
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13. A computer program product stored on a computer readable storage medium, comprising computer readable program code means for performing the steps of:
- generating a digital signature using a private key corresponding to a public key, the signed data including;
one or more attributes identifying a digital certificate to be generated;
generating a digital certificate signed with an electronic signature by a signing entity and including;
one or more attributes of a described entity which are sufficient to obtain the public key;
one or more attributes of the digital certificate which include one or more attributes identifying the signing entity; and
an indicated period of validity of the digital certificate which begins earlier than the time of generation of the digital certificate;
wherein the digital certificate is generated after the generation of the digital signature.
- generating a digital signature using a private key corresponding to a public key, the signed data including;
Specification