权限被拒绝（公钥）

Question

所以我已经将我的SSH密钥添加到github.com并且我已经按照以下所有步骤操作：https://help.github.com/articles/generating-ssh-keys仅使用以下错误命中：

debug1: Authentications that can continue: publickey
debug1: Next authentication method: publickey
debug1: Trying private key: /Users/user/.ssh/id_rsa
debug1: Trying private key: /Users/user/.ssh/id_dsa
debug1: No more authentication methods to try.
Permission denied (publickey).
[.ssh]$ssh -T git@github.com
Permission denied (publickey).