共有 きょうゆう かぎ暗号 あんごう方式 ほうしきであれば
kyōyūkagiangōhōshikideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 共有鍵暗号方式

1. If it is a shared-key cryptographic system; If shared-key cryptography is used

Ba Conditional
Computing