たい量子 りょうし暗号 あんごうじゃなかったです
tairyōshi angōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 耐量子暗号

1. Wasn't quantum-resistant.; Wasn't post-quantum.

Past/Perfective
Negative
Polite
Casual Register
Computing