US 11,683,686 B2
Method for authentication, user terminal and authentication server for executing the same
Byung Kwan Yoo, Seoul (KR); Min Chui Shin, Seoul (KR); Se Myeong On, Seoul (KR); Myung Hee Kim, Seoul (KR); Keum Sik Im, Seoul (KR); Bo Gyu Kim, Seoul (KR); Sang Beom Shin, Seoul (KR); Hae Won Jeong, Seoul (KR); and Yong Seek Choi, Seoul (KR)
Assigned to SAMSUNG SDS CO., LTD., Seoul (KR)
Filed by SAMSUNG SDS CO., LTD., Seoul (KR)
Filed on Jun. 14, 2021, as Appl. No. 17/346,807.
Claims priority of application No. 10-2020-0117140 (KR), filed on Sep. 11, 2020.
Prior Publication US 2022/0086637 A1, Mar. 17, 2022
Int. Cl. H04W 12/069 (2021.01); H04W 12/041 (2021.01); H04M 3/42 (2006.01); H04M 3/493 (2006.01)
CPC H04W 12/069 (2021.01) [H04M 3/42034 (2013.01); H04W 12/041 (2021.01); H04M 3/493 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An authentication server comprising:
a number receiver that receives a number of a user terminal from a callee who has received a call originated from the user terminal;
an device authenticator that determines whether to generate an authentication key based on the number of the user terminal received from the callee and a caller number received from the user terminal, and generates the authentication key when it is determined to generate the authentication key; and
an authentication key transmitter that transmits the authentication key to the user terminal.