WSLでssh localhost

Windowsキー -> サービス

SSHなんたらを二つとも切る

sudo cp -a ~/.ssh/id_rsa /etc/ssh/id_rsa
sudo cp -a ~/.ssh/id_rsa.pub /etc/ssh/id_rsa.pub
sudo chmod 600 id_rsa id_rsa.pub
cat /etc/ssh/id_rsa.pub | sudo tee /etc/ssh/authorized_keys

/etc/ssh/sshd_config

HostKey /etc/ssh/id_rsa
UsePrivilegeSeparation no
PermitRootLogin yes
AuthorizedKeysFile  /etc/ssh/authorized_keys
PasswordAuthentication no

・参考
http://fftest33.blog.fc2.com/blog-entry-121.html