US 2022/0191700 A1 · COMMUNICATION METHOD AND COMMUNICATION DEVICE

Abstract

Provided is a method, performed by an electronic device, of communicating with another electronic device through first communication, the method including: generating a first key based on a secret key of the electronic device and a public key of the other electronic device received through second communication independent of the first communication; transmitting a public key of the electronic device to the other electronic device through the second communication such that a second key corresponding to the first key is generated at the other electronic device; generating a timestamp sequence based on the first key; and conducting communication with the other electronic device through the first communication by using the timestamp sequence.

Claims15

Dependent claims

A method, performed by an electronic device, of communicating with another electronic device through first communication, the method comprising:

generating a first key based on a secret key of the electronic device and a public key of the other electronic device received through second communication independent of the first communication;
transmitting a public key of the electronic device to the other electronic device through the second communication such that a second key corresponding to the first key is generated at the other electronic device;
generating a timestamp sequence based on the first key;
and
conducting communication with the other electronic device through the first communication by using the timestamp sequence.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

17/440,076Filed 23 Mar 2020

Priority

KR 10-2019-003321422 Mar 2019

Published

16 Jun 2022

Term ends

Not estimatedThe source records don’t support an estimate.

Classification17 codes

H04W 12/50
Security arrangements; Authentication; Protecting privacy or anonymity: secure pairing of devices
H04L 9/0827
Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely…:…
H04L 9/0841
Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or…:…
H04L 9/3242
Using cryptographic hash functions: involving keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC

Communication method and communication device

Life of this patent

Communication method and communication device

Life of this patent

Abstract

Claims15