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Handling of digital certificates

  • US 9,960,923 B2
  • Filed: 03/03/2013
  • Issued: 05/01/2018
  • Est. Priority Date: 03/05/2013
  • Status: Active Grant
First Claim
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1. A method for handling digital certificates in a communication network, the communication network comprising a first certificate authority having issued at least one digital certificate, the method comprising:

  • determining whether a revocation condition for revoking the at least one digital certificate is fulfilled, wherein;

    the at least one digital certificate was issued by the first certificate authority;

    the at least one digital certificate is valid and not presently revoked; and

    any given digital certificate that is not revoked is uniquely identified by a unique identifier;

    based on a result of the determining;

    revoking, by the first certificate authority, the at least one digital certificate; and

    issuing, by a second certificate authority, at least one further digital certificate to have a same unique identifier as one of the at least one digital certificate that is revoked.

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