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31.发明申请公开(公告)号：US20220353322A1
公开(公告)日：2022-11-03
申请号：US17857729
申请日：2022-07-05
Applicant: Cisco Technology, Inc.
Inventor： Sujal Sheth , Shwetha Subray Bhandari , Eric Voit , William F. Sulzen , Frank Brockners
IPC: H04L67/104 , H04L9/40 , H04W24/10 , H04L9/32 , H04L61/4511 , H04L67/1001
Abstract: A verifier peer system transmits a request to an application of another peer system to obtain integrity data of the application. In response to the request, the verifier peer system obtains a response that includes kernel secure boot metrics of the other peer system and integrity data of the application and of any application dependencies. If the verifier peer system determines that the response is valid, the verifier peer system evaluates the integrity data and the kernel secure boot metrics against a set of Known Good Values to determine whether the integrity data and the kernel secure boot metrics are valid. If the integrity data and the kernel secure boot metrics are valid, the verifier peer system determines that the other peer system is trustworthy.
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公开(公告)号：US11451560B2
公开(公告)日：2022-09-20
申请号：US16808114
申请日：2020-03-03
Applicant: Cisco Technology, Inc.
Inventor： Sujal Sheth , Shwetha Subray Bhandari , Eric Voit , William F. Sulzen , Frank Brockners , Selvaraj Mani , Eliot Lear
IPC: H04L12/00 , H04L9/40 , H04L61/5014 , H04L101/686
Abstract: Systems, methods, and computer-readable media are disclosed for measurement of trustworthiness of network devices prior to their configuration and deployment in a network. In one aspect of the present disclosure, a method for pre-configuration of network devices includes receiving, at a dynamic host configuration server, a first request from a network device for configuration data, the configuration data including at least an IP address; sending, by the dynamic host configuration server, a second request to the network device for attestation information; verifying, by the dynamic host configuration server, the network device based on the attestation information; and assigning, by the dynamic host configuration server, the configuration data to the network device upon verifying the network device.
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33.发明申请公开(公告)号：US20220174091A1
公开(公告)日：2022-06-02
申请号：US17672502
申请日：2022-02-15
Applicant: Cisco Technology, Inc.
Inventor： Sujal Sheth , Shwetha Subray Bhandari , William F. Sulzen , Frank Brockners
IPC: H04L9/40 , H04L61/103
Abstract: Systems, methods, and computer-readable media for assessing reliability and trustworthiness of devices operating within a network. An ARP responder can receive an ARP request from an ARP requestor for performing address resolution between the ARP requestor and the ARP responder in a network environment. The ARP responder can build an ARP response including attestation information of the ARP responder. Further, the ARP responder can provide, to the ARP requestor, the attestation information for verifying the ARP responder using the ARP response and the attestation information of the ARP responder.
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公开(公告)号：US11343091B2
公开(公告)日：2022-05-24
申请号：US16784025
申请日：2020-02-06
Applicant: Cisco Technology, Inc.
Inventor： Sujal Sheth , Shwetha Subray Bhandari , Eric Voit , William F. Sulzen , Frank Brockners
Abstract: Systems, methods, and computer-readable media for authenticating access control messages include receiving, at a first node, access control messages from a second node. The first node and the second node including network devices and the access control messages can be based on RADIUS or TACACS+ protocols among others. The first node can obtain attestation information from one or more fields of the access control messages determine whether the second node is authentic and trustworthy based on the attestation information. The first node can also determine reliability or freshness of the access control messages based on the attestation information. The first node can be a server and the second node can be a client, or the first node can be a client and the second node can be a server. The attestation information can include Proof of Integrity based on a hardware fingerprint, device identifier, or Canary Stamp.
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35.发明申请公开(公告)号：US20220070251A1
公开(公告)日：2022-03-03
申请号：US17499731
申请日：2021-10-12
Applicant: Cisco Technology, Inc.
Inventor： Sujal Sheth , Shwetha Subray Bhandari , Eric Voit , William F. Sulzen , Frank Brockners
Abstract: A verifier peer system transmits a request to an application of another peer system to obtain integrity data of the application. In response to the request, the verifier peer system obtains a response that includes kernel secure boot metrics of the other peer system and integrity data of the application and of any application dependencies. If the verifier peer system determines that the response is valid, the verifier peer system evaluates the integrity data and the kernel secure boot metrics against a set of Known Good Values to determine whether the integrity data and the kernel secure boot metrics are valid. If the integrity data and the kernel secure boot metrics are valid, the verifier peer system determines that the other peer system is trustworthy.
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Patent Agency Ranking
公开(公告)号：US20220060384A1
公开(公告)日：2022-02-24
申请号：US17517622
申请日：2021-11-02
Applicant: Cisco Technology, Inc.
Inventor： Sujal Sheth , Shwetha Subray Bhandari , Eric Voit , William F. Sulzen , Frank Brockners
IPC: H04L12/24 , H04W84/18 , H04L12/721 , H04L12/751 , H04W40/24
Abstract: Systems, methods, and computer-readable media for assessing reliability and trustworthiness of devices operating within a network. A recipient node in a network environment can receive a neighbor discovery (ND) message from an originating node in the network environment that are both implementing a neighbor discovery protocol. Trustworthiness of the originating node can be verified by identifying a level of trust of the originating node based on attestation information for the originating node included in the ND message received at the recipient node. Connectivity with the recipient node through the network environment can be managed based on the level of trust of the originating node identified from the attestation information included in the ND message.
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公开(公告)号：US11122346B1
公开(公告)日：2021-09-14
申请号：US16912238
申请日：2020-06-25
Applicant: Cisco Technology, Inc.
Inventor： Manoj Kumar , Sujal Sheth , Zafar Ali , Eric Voit , Shwetha Subray Bhandari
Abstract: The present technology discloses methods, systems, and non-transitory computer-readable media for receiving, by a relying node in an optical transport network environment, attestation information in a trail trace identifier of an optical unit from an attester node in the optical transport network environment; verifying a trustworthiness of the attester node by identifying a level of trust of the attester node from the attestation information; and controlling network service access of the attester node through the relying node in the network environment based on the level of trust of the attester node identified from the attestation information.
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38.发明申请公开(公告)号：US20200322423A1
公开(公告)日：2020-10-08
申请号：US16783942
申请日：2020-02-06
Applicant: Cisco Technology, Inc.
Inventor： Sujal Sheth , Shwetha Subray Bhandari , Eric Voit , William F. Sulzen , Frank Brockners
Abstract: A verifier peer system transmits a request to an application of another peer system to obtain integrity data of the application. In response to the request, the verifier peer system obtains a response that includes kernel secure boot metrics of the other peer system and integrity data of the application and of any application dependencies. If the verifier peer system determines that the response is valid, the verifier peer system evaluates the integrity data and the kernel secure boot metrics against a set of Known Good Values to determine whether the integrity data and the kernel secure boot metrics are valid. If the integrity data and the kernel secure boot metrics are valid, the verifier peer system determines that the other peer system is trustworthy.
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公开(公告)号：US20200322380A1
公开(公告)日：2020-10-08
申请号：US16839576
申请日：2020-04-03
Applicant: Cisco Technology, Inc.
Inventor： Sujal Sheth , Shwetha Subray Bhandari , Eric Voit , William F. Sulzen , Frank Brockners
IPC: H04L29/06
Abstract: Systems, methods, and computer-readable media for discovering trustworthy devices through attestation and authenticating devices through mutual attestation. A relying node in a network environment can receive attestation information from an attester node in the network environment as part of a unidirectional push of information from the attester node according to a unidirectional link layer communication scheme. A trustworthiness of the attester node can be verified by identifying a level of trust of the attester node from the attestation information. Further, network service access of the attester node through the relying node in the network environment can be controlled based on the level of trust of the attester node identified from the attestation information.
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公开(公告)号：US20200322356A1
公开(公告)日：2020-10-08
申请号：US16808114
申请日：2020-03-03
Applicant: Cisco Technology, Inc.
Inventor： Sujal Sheth , Shwetha Subray Bhandari , Eric Voit , William F. Sulzen , Frank Brockners , Selvaraj Mani , Eliot Lear
Abstract: Systems, methods, and computer-readable media are disclosed for measurement of trustworthiness of network devices prior to their configuration and deployment in a network. In one aspect of the present disclosure, a method for pre-configuration of network devices includes receiving, at a dynamic host configuration server, a first request from a network device for configuration data, the configuration data including at least an IP address; sending, by the dynamic host configuration server, a second request to the network device for attestation information; verifying, by the dynamic host configuration server, the network device based on the attestation information; and assigning, by the dynamic host configuration server, the configuration data to the network device upon verifying the network device.
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