Patents by Inventor Ilan Frenkel

Ilan Frenkel 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).

  • Patent number: 8151338
    Abstract: A method and system for continuously serving the authentication requests of networked computers is disclosed. The authentication requests of computers are served and the services for the computers are reserved for a predefined time interval. The authentication service for a computer is reserved by an authentication server, which receives authentication requests of the computer.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: April 3, 2012
    Assignee: Cisco Technology, Inc.
    Inventors: Ilan Frenkel, Arthur Zavalkovsky, Alexey Kobozev, Ilan Bronshtein
  • Patent number: 7788480
    Abstract: A method and implementation is disclosed for secure communication between two or more parties. A secure tunnel is established between parties using an encryption algorithm. An authentication process is performed between parties over the secured tunnel. The provisioning of credentials is thereafter performed between parties.
    Type: Grant
    Filed: November 5, 2003
    Date of Patent: August 31, 2010
    Assignee: Cisco Technology, Inc.
    Inventors: Nancy Cam Winget, Mark Krischer, Ilan Frenkel, Hao Zhou
  • Patent number: 7716721
    Abstract: Automatically re-authenticating a computing device seeking access to a network or a resource. A method comprises forwarding a request received from the computing device to an authentication device to enable the authentication device to authenticate the computing device using a full-authentication mechanism. State information related to authenticating the computing device is created from authenticating the computing device. The state information is received and stored. For example, an authenticator device that forwarded the initial authentication request from the computing device to the authentication device receives and stores the state information. The computing device is re-authenticated using the stored state information without again contacting the authentication device.
    Type: Grant
    Filed: October 18, 2005
    Date of Patent: May 11, 2010
    Assignee: Cisco Technology, Inc.
    Inventors: Arthur Zavalkovsky, Alexey Kobozev, Joseph Salowey, Ilan Frenkel
  • Patent number: 7702899
    Abstract: Verifying revocation status of a digital certificate is provided in part by a receiver verifying a security certificate for a sender. In an embodiment, an approach comprises receiving a first security certificate associated with the sender and storing the security certificate in a location accessible to the receiver; updating the first security certificate in the location accessible to the receiver if the first security certificate is changed or revoked; receiving a second security certificate from the sender when identity of the sender needs to be verified; comparing the second security certificate to the first security certificate; and confirming the sender's identity only if the second security certificate matches the first security certificate for the sender.
    Type: Grant
    Filed: January 21, 2009
    Date of Patent: April 20, 2010
    Assignee: Cisco Technology, Inc.
    Inventors: Alexey Kobozev, Arthur Zavalkovsky, Ilan Frenkel
  • Publication number: 20090132812
    Abstract: Verifying revocation status of a digital certificate is provided in part by a receiver verifying a security certificate for a sender. In an embodiment, an approach comprises receiving a first security certificate associated with the sender and storing the security certificate in a location accessible to the receiver; updating the first security certificate in the location accessible to the receiver if the first security certificate is changed or revoked; receiving a second security certificate from the sender when identity of the sender needs to be verified; comparing the second security certificate to the first security certificate; and confirming the sender's identity only if the second security certificate matches the first security certificate for the sender.
    Type: Application
    Filed: January 21, 2009
    Publication date: May 21, 2009
    Inventors: Alexey Kobozev, Arthur Zavalkovsky, Ilan Frenkel
  • Patent number: 7500100
    Abstract: A method and apparatus for verifying revocation status of a digital certificate is provided. The invention operates in part by a receiver verifying a security certificate for a sender. In various embodiments the steps to accomplish this include receiving a first security certificate associated with the sender and storing the security certificate in a location accessible to the receiver; updating the first security certificate in the location accessible to the receiver if the first security certificate is changed or revoked; receiving a second security certificate from the sender when identity of the sender needs to be verified; comparing the second security certificate to the first security certificate; and confirming the sender's identity only if the second security certificate matches the first security certificate for the sender.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: March 3, 2009
    Assignee: Cisco Technology, Inc.
    Inventors: Alexey Kobozev, Arthur Zavalkovsky, Ilan Frenkel
  • Patent number: 7421503
    Abstract: A method is disclosed for providing multiple authentication types within an authentication protocol that supports a single type of authentication for a client in communication with an authorization server over a network. One or more authentication request packets compliant with an authentication protocol are sent to the client. Each of the packets comprises a type value that specifies multiple authentication, and a data field having a value that is structured in compliance with the authentication protocol. Each of the packets is associated with one of a plurality of different authentication conversations with the client. A plurality of responses is received from the client for each of the authentication conversations. The sending and receiving steps are repeated until results are determined for the authentication conversations. The client is authenticated based on results of each of the plurality of authentication conversations.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: September 2, 2008
    Assignee: Cisco Technology, Inc.
    Inventors: Jeremy Stieglitz, John Zamick, Ilan Frenkel, Arthur Zavalkovsky, Darran Potter
  • Publication number: 20070101406
    Abstract: Automatically re-authenticating a computing device seeking access to a network or a resource. A method comprises forwarding a request received from the computing device to an authentication device to enable the authentication device to authenticate the computing device using a full-authentication mechanism. State information related to authenticating the computing device is created from authenticating the computing device. The state information is received and stored. For example, an authenticator device that forwarded the initial authentication request from the computing device to the authentication device receives and stores the state information. The computing device is re-authenticated using the stored state information without again contacting the authentication device.
    Type: Application
    Filed: October 18, 2005
    Publication date: May 3, 2007
    Inventors: Arthur Zavalkovsky, Alexey Kobozev, Joseph Salowey, Ilan Frenkel
  • Publication number: 20070074049
    Abstract: A method and system for continuously serving the authentication requests of networked computers is disclosed. The authentication requests of computers are served and the services for the computers are reserved for a predefined time interval. The authentication service for a computer is reserved by an authentication server, which receives authentication requests of the computer.
    Type: Application
    Filed: September 29, 2005
    Publication date: March 29, 2007
    Applicant: Cisco Technology, Inc.
    Inventors: Ilan Frenkel, Arthur Zavalkovsky, Alexey Kobozev, Ilan Bronshtein
  • Patent number: 7099932
    Abstract: A method and apparatus is provided for retrieving and storing quality of service policy management information using a directory service in a manner that enforces read/write consistency and enables read/write concurrency. A directory information tree manager is created and stored in the directory service. One or more directory information trees are created in the directory service in association with the directory information tree manager. Each directory information tree is associated with a sub-tree that represents quality of service policy information, and each directory information tree has a validity period value. When a process needs quality of service policy management information, the system determines which of the directory information trees is a currently active directory information tree. The QoS information is retrieved from the currently active directory information tree only during a time period within the validity period value thereof.
    Type: Grant
    Filed: August 16, 2000
    Date of Patent: August 29, 2006
    Assignee: Cisco Technology, Inc.
    Inventors: Ilan Frenkel, Roman Geller, Yoram Ramberg, Yoram Snir
  • Publication number: 20050097362
    Abstract: A method and implementation is disclosed for secure communication between two or more parties. A secure tunnel is established between parties using an encryption algorithm. An authentication process is performed between parties over the secured tunnel. The provisioning of credentials is thereafter performed between parties.
    Type: Application
    Filed: November 5, 2003
    Publication date: May 5, 2005
    Inventors: Nancy Winget, Mark Krischer, Ilan Frenkel, Hao Zhou