sftp for dropbear?

[justsoft]

The sftp of the 2.8.2 release doesn't support Dropbear SSH server, I have tried on Windows Desktop App with OpenWrt, the SSH works great but sftp doesn't.

[roquie]

Also, If we using proxy jump via dropbear, the lib require to set private key, but it can possible to get it from default location ~/.ssh/id_dropbear.

Case:

1. Router (dropbear)
2. Destination host

I connect to router using password or private key, then I connect to destination host via default private key. But my Router already contains this private key locally on default location.

I think the lib should supports working without explicitly specifying a private key for second host if it possible.