US 12,335,388 B2
Electronic device for generating mnemonic phrase of private key and operation method in the electronic device
Bumhan Kim, Gyeonggi-do (KR); Eunbi Kim, Gyeonggi-do (KR); Hansang Song, Gyeonggi-do (KR); and Seungwon Shin, Gyeonggi-do (KR)
Assigned to Samsung Electronics Co., Ltd, Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
Filed on Aug. 19, 2022, as Appl. No. 17/891,383.
Application 17/891,383 is a continuation of application No. PCT/KR2022/012353, filed on Aug. 18, 2022.
Claims priority of application No. 10-2021-0110320 (KR), filed on Aug. 20, 2021.
Prior Publication US 2023/0053891 A1, Feb. 23, 2023
Int. Cl. H04L 9/08 (2006.01); H04L 9/14 (2006.01)
CPC H04L 9/14 (2013.01) [H04L 9/0861 (2013.01)] 20 Claims
OG exemplary drawing
 
11. A method for operation in an electronic device, the method comprising:
generating a private key and a public key;
generating a first mnemonic phrase including first words of a designated first number based on a structure of the private key;
obtaining a user phrase via user input;
generating a second mnemonic phrase including second words of a second number, wherein the second number is set based on a security level determined by analyzing the user phrase, wherein the second words are a subset of the first words; and
displaying the generated second mnemonic phrase on a display of the electronic device.