需要注意不同软件产生的密钥对格式可能不一致，需要转换！
here is everything as I did it againas root cd into /home/userthen try this to create the key and add itssh-keygen -t rsa -b 2048 -f /home/user/Keyif [ ! -d .ssh ]; then mkdir .ssh ; chmod 700 .ssh ; fimv Key.pub .ssh/cd .ssh/if [ ! -f authorized_keys ]; then touch authorized_keys ; chmod 600 authorized_keys ; ficat Key.pub >> authorized_keysrm –rf Key.pubcd ../now copy your Key file to the windows box.import it into puttygen and save as a private key (I am in using putty to connect, in puttygen under conversions it says that you can convert it into an ssh.com key but I can't confirm it works).then try to auth with the private key.