US 12,407,613 B2
Encryption key generation
Takao Ochi, Tokyo (JP); Ken-ichiro Yoshino, Tokyo (JP); and Akio Tajima, Tokyo (JP)
Assigned to NEC CORPORATION, Tokyo (JP)
Filed by NEC Corporation, Tokyo (JP)
Filed on Dec. 28, 2023, as Appl. No. 18/398,295.
Application 18/398,295 is a continuation of application No. 16/924,535, filed on Jul. 9, 2020, granted, now 11,909,647.
Application 16/924,535 is a continuation of application No. 15/502,245, granted, now 10,735,328, issued on Aug. 4, 2020, previously published as PCT/JP2015/004158, filed on Aug. 20, 2015.
Claims priority of application No. 2014-170087 (JP), filed on Aug. 25, 2014.
Prior Publication US 2024/0414088 A1, Dec. 12, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 47/125 (2022.01); H04L 9/08 (2006.01); H04L 9/12 (2006.01); H04L 47/50 (2022.01)
CPC H04L 47/125 (2013.01) [H04L 9/08 (2013.01); H04L 9/0852 (2013.01); H04L 9/0869 (2013.01); H04L 9/12 (2013.01); H04L 9/0858 (2013.01); H04L 47/54 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A device, comprising:
a transmitter configured to transmit first information to another device through a first quantum channel;
a receiver configured to receive second information from the another device through a second quantum channel; and
a data processor configured to generate an encryption key based on the first information and the second information.