共きょう有ゆう鍵かぎ暗あん号ごう方ほう式しきMeaningsNoun1. shared key encryptionKanji used共together有be in possession鍵key暗dark号ID number方way式ceremonyComposed of共きょう有ゆうjoint ownership; co-ownership; sharing (e.g. a viewpoint); sharing (files, devices on a network, posts on social media, etc.)Noun鍵かぎkey; lock; key (to a problem, success, etc.); clueNoun暗あん号ごうcode; password; cipherNoun方ほう式しきform; method; system; formulaNoun