オレオレ証明書 おれおれしょうめいしょ Meanings Noun self-signed certificate See also: 自己署名証明書 (じこしょめいしょうめいしょ). Kanji 証 proof. Read as ショウ. 明 clear. Read as メイ. 書 write. Read as ショ. Word lists Colloquial Internet Jinuma: Japanese Dictionary · Word lists