Imports github.com/JimLee1996/tun/kcp github.com/JimLee1996/tun/smux github.com/JimLee1996/tun/tcpraw github.com/pkg/errors github.com/urfave/cli golang.org/x/crypto/pbkdf2 Standard library imports crypto/sha1 encoding/json io log math/rand net os time