暗号化通信に使用

あんごうか つうしん に しよう
angouka tsuushin ni shiyou
To use password-protected communication (method) = to use encryption

Geez...good thing I can understand the Kanji being used...

Doesn't the last 2 posts turn you off learning Japanese? It definitely does for me. I should remember to space these technical terms farther apart from each other despite being relevant to what I need to know.