https://docs.github.com/ja/authentication/connecting-to-github-with-ssh/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent#%E6%96%B0%E3%81%97%E3%81%84-ssh-%E3%82%AD%E3%83%BC%E3%82%92%E7%94%9F%E6%88%90%E3%81%99%E3%82%8B ```console $ ssh-keygen -t ed25519 -C "メールアドレス" Generating public/private ed25519 key pair. Enter file in which to save the key (C:\Users\tadashi-aikawa/.ssh/id_ed25519): id_ed25519_github Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in C:\Users\tadashi-aikawa/.ssh/id_ed25519_github Your public key has been saved in C:\Users\tadashi-aikawa/.ssh/id_ed25519_github.pub . . ```