自己 じこ署名 しょめい証明 しょうめい しょじゃありませんでした
jikoshomei shō meishojārimasendeshita

Noun
Desu Copula

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

1. Was not a self-certified document.; Was not my self-signed certificate.

Past/Perfective
Negative
Polite
Terminal Form
Internet