共有 きょうゆう かぎ暗号 あんごうではありません
kyōyūka gian gōdewa arimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 共有鍵暗号

1. Not a shared-key cipher.; It is not a shared-key cipher.

Negative
Polite
Formal Register
Computing