おれおれしょうめいしょ オレオレ証明書 LinksSentence search for オレオレ証明書Sentence search for おれおれしょうめいしょKanji details for 証, 明 and 書Edit in JMdict Noun1. self-signed certificateNetworking, WWW, Colloquial, See also 自己署名証明書 Discussions Log in to talk about this word.