package daemon
 
 import (
 	"golang.org/x/net/context"
 

 	"github.com/docker/docker/api/types"

 	"github.com/docker/docker/dockerversion"
 )
 
 // AuthenticateToRegistry checks the validity of credentials in authConfig
 func (daemon *Daemon) AuthenticateToRegistry(ctx context.Context, authConfig *types.AuthConfig) (string, string, error) {
 	return daemon.RegistryService.Auth(ctx, authConfig, dockerversion.DockerUserAgent(ctx))
 }