公开(公告)号：US20220174479A1

公开(公告)日：2022-06-02

申请号：US17547418

申请日：2021-12-10

Applicant: INTEL CORPORATION

Inventor： Xiruo LIU ,  Shabbir AHMED ,  Ralf GRAEFE ,  Christopher GUTIERREZ ,  Marcio JULIATO ,  Rafael ROSALES ,  Manoj SASTRY ,  Liuyang YANG

IPC: H04W12/02 ,  H04W4/40 ,  H04W12/03 ,  H04W4/46 ,  H04W4/029 ,  H04W4/06 ,  H04L9/40 ,  H04W4/08 ,  H04W4/024 ,  H04L67/52 ,  H04L67/125 ,  H04W4/80

Abstract: Various embodiments are generally directed to techniques for providing improved privacy protection against vehicle tracking for connected vehicles of a vehicular network. For example, at least one road side unit may: identify a set of vehicles that require pseudonym changes and send an invitation for a pseudonym change event to each of the vehicles, determine at least a total number of the acceptances, determine whether the total number meets or exceeds a predetermined threshold number, send acknowledgement messages to the accepting vehicles if the threshold number is met, and form a vehicle group to coordinate the pseudonym change event during a privacy period. During the privacy period, the RSU and the vehicles may communicate with each other in a confidential and private manner via key-session-based unicast transmission, and coordinate transmission power and vehicle trajectory adjustments to maximize the benefits for safety and obfuscation for privacy.

公开(公告)号：US20250005208A1

公开(公告)日：2025-01-02

申请号：US18217547

申请日：2023-07-01

Applicant: Intel Corporation

Inventor： Dumitru-Daniel DINU ,  Santosh GHOSH ,  Avinash VARNA ,  Manoj SASTRY

IPC: G06F21/75

Abstract: Techniques for improved Keccak execution resilient to physical side-channel attacks are described. In some examples, a Keccak round datapath includes a first path including a theta step, a rho step, a pi step, and an iota step to process a masked version of the 1600-bit input state, a second path including a theta step, a rho step, and a pi step to process a mask 1600-bit input state, and a masked chi step shared by the first path and second path.