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Method and system for the supply of data, transactions and electronic voting

  • US 10,003,583 B2
  • Filed: 09/12/2012
  • Issued: 06/19/2018
  • Est. Priority Date: 11/06/2001
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving encrypted data by a second entity, the received encrypted data being digitally signed with a digital signature by a first entity using a private key from a public/private key pair of the first entity and including an attribute identifying a first digital certificate to be generated after the generation of the digital signature;

    receiving by the second entity the first digital certificate generated after the generation of the digital signature, the first digital certificate being digitally signed by the first entity using the private key and including a symmetrical session key encrypted with a public key from a public/private key pair of the second entity;

    sending by the second entity the first digital certificate to a signing entity;

    receiving by the second entity a second digital certificate signed with an electronic signature of the signing entity, the second 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, andan identification of the signing entity;

    accessing by the second entity personal data of the first entity stored in an electronic database utilizing the one or more attributes of the first entity of the first digital certificate; and

    accessing by the second entity the received encrypted data utilizing the symmetrical session key in the first digital certificate;

    wherein;

    the receiving and the sending by the second entity are performed by a computing device using a secure messaging system across a network.

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