Patents by Inventor Tomi Kause

Tomi Kause has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for producing certificate revocation lists
    Patent number: 7356693
    Abstract: The practical benefit of the inventive idea results from an assumption that typically, the operational subCAs will not get compromised. Assuming this, a a batch of revocation lists manifesting no revocations can be generated and signed. These pregenerated CRLs (root CRLs) can then be stored outside the high-security vault and, in case of no subCA compromises, published periodically one at a time to the directory system where the PKI clients can automatically fetch them.
    Type: Grant
    Filed: September 30, 2003
    Date of Patent: April 8, 2008
    Assignee: SSH Communications Security Corporation
    Inventors: Tero Kivinen, Tomi Kause
  • Method for producing certificate revocation lists
    Publication number: 20040128504
    Abstract: The practical benefit of the inventive idea results from an assumption that typically, the operational subCAs will not get compromised. Assuming this, a a batch of revocation lists manifesting no revocations can be generated and signed. These pregenerated CRLs (root CRLs) can then be stored outside the high-security vault and, in case of no subCA compromises, published periodically one at a time to the directory system where the PKI clients can automatically fetch them.
    Type: Application
    Filed: September 30, 2003
    Publication date: July 1, 2004
    Inventors: Tero Kivinen, Tomi Kause