暗号 あんごう 技術 ぎじゅつじゃありませんでした
angōka gijutsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 暗号化技術

1. Was not encryption technology.; Was not a technology for encryption.

Past/Perfective
Negative
Polite
Terminal Form
Computing