秘ひ密みつ鍵かぎ

noun

private key; secret key

In cryptography, the key kept secret by the owner, used for decryption or signing. Contrasts with 公開鍵 (public key).

• 秘ひ密みつ鍵かぎは絶ぜっ対たいに他た人にんに渡わたしてはいけません。

  You must never give your private key to anyone else.

• このシステムでは、秘ひ密みつ鍵かぎでデータを復ふく号ごうします。

  In this system, data is decrypted with the private key.