METHOD AND SYSTEM FOR THE SUPPLY OF DATA, TRANSACTIONS AND ELECTRONIC VOTING
First Claim
1. A method for providing a digital signature based on a digital certificate, comprising:
- receiving data by a second entity, the received data being digitally signed by a first entity using a private key from a public/private key pair of the first entity and including an attribute identifying a digital certificate to be generated;
sending by the second entity the received data to a signing entity;
receiving by the second entity the digital certificate signed with an electronic signature of the signing entity, the digital certificate including;
one or more attributes of the first entity which are sufficient to obtain a public key from the public/private key pair of the first entity,an identification of the signing entity, anda period of validity of the digital certificate which begins earlier than a time of generation of the digital certificate, andaccessing by the second entity personal data of the first entity stored in an electronic database,wherein;
the digital certificate is generated after the generation of the digital signature, andthe receiving and the sending by the second entity are performed by a computing device using a secure messaging system across a network.
1 Assignment
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Accused Products
Abstract
A method 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.
17 Citations
7 Claims
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1. A method for providing a digital signature based on a digital certificate, comprising:
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receiving data by a second entity, the received data being digitally signed by a first entity using a private key from a public/private key pair of the first entity and including an attribute identifying a digital certificate to be generated; sending by the second entity the received data to a signing entity; receiving by the second entity the digital certificate signed with an electronic signature of the signing entity, the digital certificate including; one or more attributes of the first entity which are sufficient to obtain a public key from the public/private key pair of the first entity, an identification of the signing entity, and a period of validity of the digital certificate which begins earlier than a time of generation of the digital certificate, and accessing by the second entity personal data of the first entity stored in an electronic database, wherein; the digital certificate is generated after the generation of the digital signature, and the receiving and the sending by the second entity are performed by a computing device using a secure messaging system across a network. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification