公开(公告)号：US20220191689A1

公开(公告)日：2022-06-16

申请号：US17124428

申请日：2020-12-16

Applicant: ITRON, INC.

Inventor： Kalvinder Pal Singh ,  Darin Byron Johnson ,  Zoltan Peter Kiss

IPC: H04W12/033 ,  H04L12/24 ,  H04L29/06 ,  H04L9/08 ,  G06F1/3287 ,  G06F1/3234 ,  H04W12/047

Abstract: Various embodiments disclose a computer-implemented method for sending a message associated with an outage event, comprising, at a first node in a network, receiving a key from a second node in the network, wherein the second node is adjacent to the first node; storing the key in a first memory, wherein the first memory is capable of operating in a low power mode; detecting an outage event; in response to detecting the outage event, operating a first processor in the low power mode; and via the first processor operating in the low power mode: generating a message, securing the message using the key, and sending the message to the second node.

公开(公告)号：US12238075B2

公开(公告)日：2025-02-25

申请号：US18349247

申请日：2023-07-10

Applicant: ITRON, INC.

Inventor： Kalvinder Pal Singh ,  Darin Byron Johnson ,  Zoltan Peter Kiss

IPC: H04L9/40 ,  H04L9/08 ,  H04L12/18 ,  H04L67/12

Abstract: Techniques for messaging based on trust levels and resource limitations in a mesh network include receiving, by a first node of a mesh network, a message; determining, by the first node, a security key type based on a resource parameter associated with a neighbor node included in the mesh network; securing, by the first node, the message using a security key of the security key type; and transmitting, by the first node, the secured message to the neighbor node. The resource parameter associated with the neighbor node comprises at least one of an amount of memory used to decrypt the secured message at the neighbor node, an amount of power used to decrypt the secured message at the neighbor node, or an indication of an amount of power remaining at the neighbor node.

公开(公告)号：US20240291631A1

公开(公告)日：2024-08-29

申请号：US18174476

申请日：2023-02-24

Applicant: Itron, Inc.

Inventor： Kalvinder Pal Singh ,  Zoltan Peter Kiss ,  Darin Byron Johnson

IPC: H04L7/00 ,  H04L9/40

CPC classification number: H04L7/0008 ,  H04L63/0823

Abstract: A method of securely providing a trusted time to a first device may include receiving at a network interface controller (NIC) a neighbor list comprising a plurality of entries for a corresponding plurality of neighbor devices wherein each of the plurality of entries includes a unique device identity of a time server which the plurality of neighbor devices has reached, and an inception time of a time server certificate corresponding to the unique device identity. The method may further include sorting the plurality of entries within the neighbor list to obtain a sorted neighbor list and sending a time request to a first neighbor device of the plurality of neighbor devices based at least in part on the sorted neighbor list.

公开(公告)号：US12212556B2

公开(公告)日：2025-01-28

申请号：US17541193

申请日：2021-12-02

Applicant: ITRON, INC.

Inventor： Kalvinder Pal Singh ,  Zoltan Peter Kiss ,  Darin Byron Johnson

IPC: H04L29/06 ,  H04L9/40

Abstract: Various embodiments set forth a method comprising receiving, at a server node from a client node, a client compression dictionary that includes one or more first mappings between one or more first index values and one or more data entries included in a certificate cache of the client node; identifying, in response to receiving the client compression dictionary and based on the client compression dictionary, one or more certificates that should be transmitted to the client node; and transmitting, from the server node to the client node, the one or more identified certificates.

公开(公告)号：US11843939B2

公开(公告)日：2023-12-12

申请号：US17124428

申请日：2020-12-16

Applicant: ITRON, INC.

Inventor： Kalvinder Pal Singh ,  Darin Byron Johnson ,  Zoltan Peter Kiss

IPC: H04L41/06 ,  H04W12/033 ,  H04L41/28 ,  H04L9/40 ,  H04L9/08 ,  H04W12/047 ,  G06F1/3287 ,  G06F1/3234

CPC classification number: H04W12/033 ,  G06F1/3275 ,  G06F1/3287 ,  H04L9/0819 ,  H04L9/0894 ,  H04L41/06 ,  H04L41/28 ,  H04L63/0428 ,  H04L63/062 ,  H04L63/123 ,  H04W12/047

Abstract: Various embodiments disclose a computer-implemented method for sending a message associated with an outage event, comprising, at a first node in a network, receiving a key from a second node in the network, wherein the second node is adjacent to the first node; storing the key in a first memory, wherein the first memory is capable of operating in a low power mode; detecting an outage event; in response to detecting the outage event, operating a first processor in the low power mode; and via the first processor operating in the low power mode: generating a message, securing the message using the key, and sending the message to the second node.

公开(公告)号：US11736451B2

公开(公告)日：2023-08-22

申请号：US17125701

申请日：2020-12-17

Applicant: ITRON, INC.

Inventor： Kalvinder Pal Singh ,  Darin Byron Johnson ,  Zoltan Peter Kiss

IPC: H04L9/40 ,  H04L9/08 ,  H04L12/18 ,  H04L67/12

CPC classification number: H04L63/0428 ,  H04L9/0894 ,  H04L12/18 ,  H04L67/12 ,  H04L63/0435 ,  H04L63/0442

Abstract: A computer-implemented method of transmitting messages within a mesh network comprises: receiving at a first node included within the mesh network a network message that is to be broadcast within the mesh network; determining a security key type based on at least one of a resource parameter associated with at least one neighbor node included in the mesh network or an attribute of the network message; securing the network message with a security key of the security key type to generate n secured network message; and broadcasting the secured network message to one or more other nodes included in the mesh network that are directly connected to the first node.