US 12,231,452 B2
Remote attestation mode negotiation method for combined device and related device
Junli Hu, Nanjing (CN); Wei Pan, Nanjing (CN); Haifei Zeng, Nanjing (CN); and Yuguo Wang, Beijing (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Apr. 14, 2022, as Appl. No. 17/720,905.
Application 17/720,905 is a continuation of application No. PCT/CN2020/116934, filed on Sep. 22, 2020.
Claims priority of application No. 201910990240.3 (CN), filed on Oct. 17, 2019; and application No. 201911090276.2 (CN), filed on Nov. 8, 2019.
Prior Publication US 2022/0239688 A1, Jul. 28, 2022
Int. Cl. H04L 9/40 (2022.01); G06F 1/3206 (2019.01); G06F 21/57 (2013.01); G06F 21/60 (2013.01)
CPC H04L 63/1433 (2013.01) [G06F 1/3206 (2013.01); G06F 21/57 (2013.01); G06F 21/606 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A combined device comprising:
a first communication entity configured to:
send, to a remote attestation device, a mode negotiation request message;
receive, from the remote attestation device in response to the mode negotiation request message, a mode negotiation response message; and
determine, based on the mode negotiation response message, a target remote attestation mode, wherein the target remote attestation mode is a proxy mode, and wherein the first communication entity is further configured to perform trusted verification on all communication entities in the combined device that comprise a trusted computing base (TCB) and that are different from the first communication entity.