公開 こうかい鍵 かぎ暗号 あんごう方式 ほうしき

kōkaikagiangōhōshiki

1. Not public-key cryptography.; Not a public-key cryptosystem.

1. Was public-key cryptography.

1. Public-key cryptography; Using public-key cryptography

1. Public-key cryptography; Public key cryptosystem

1. It is not public-key cryptography.

1. It's not public-key cryptography.

1. Was public-key cryptography.

1. Public-key cryptography.

1. Is not public-key cryptography.; It is not a public-key cryptosystem.

1. Wasn't public-key cryptography.; Wasn't a public-key cryptosystem.

1. Probably public-key cryptography.

1. Was not a public-key cryptosystem.

1. Wasn't public-key cryptography.; Wasn't openly disclosed.

1. Public-key cryptography; Probably public-key cryptography

1. Was not a public-key cryptosystem.

1. If it were public-key cryptography; If public-key cryptography were the case

1. if it were a public-key cryptosystem; if it is a public-key cryptosystem

1. If public-key cryptography; When public-key cryptography