自己 じこ署名 しょめい証明 しょうめい しょじゃなかったです
jikoshomei shō meishojanakattadesu

Noun
Desu Copula

The polite, past negative form of 自己署名証明書

1. Was not a self-signed certificate.; Wasn't a self-signed certificate.

Past/Perfective
Negative
Polite
Casual Register
Internet