noun
self-signed certificate
Colloquial term from the IT security domain, often used in the context of 'ore-ore' (it's me) fraud or impersonation. Refers to a certificate that is signed by the same entity whose identity it certifies, without a trusted third party.
See also: 自己署名証明書
オレオレ証明書を使ったサイトは、ブラウザに警告が表示されることが多い。
Sites using self-signed certificates often trigger browser warnings.
テスト環境ではオレオレ証明書で十分な場合もある。
In test environments, a self-signed certificate is sometimes sufficient.
From オレオレ (ore-ore, 'it's me' fraud pattern) + 証明書 (certificate). The 'ore-ore' part is a colloquial reference to impersonation scams, humorously applied to self-signed certificates that lack third-party verification.