use NewCommandSelect

command_set.go

@@ -41,14 +41,7 @@ func (cs *CommandSet) Select() error {
 		return err
 	}
 
-	cmd := apdu.NewCommand(
-		0x00,
-		globalplatform.InsSelect,
-		uint8(0x04),
-		uint8(0x00),
-		instanceAID,
-	)
-
+	cmd := globalplatform.NewCommandSelect(instanceAID)
 	cmd.SetLe(0)
 	resp, err := cs.c.Send(cmd)
 	if err = cs.checkOK(resp, err); err != nil {

globalplatform/command_set.go

@@ -31,14 +31,7 @@ func (cs *CommandSet) Select() error {
 }
 
 func (cs *CommandSet) SelectAID(aid []byte) error {
-	cmd := apdu.NewCommand(
-		0x00,
-		InsSelect,
-		uint8(0x04),
-		uint8(0x00),
-		aid,
-	)
-
+	cmd := NewCommandSelect(aid)
 	cmd.SetLe(0)
 	resp, err := cs.c.Send(cmd)
 

globalplatform/commands.go

@@ -56,10 +56,6 @@ func NewCommandSelect(aid []byte) *apdu.Command {
 		aid,
 	)
 
-	// with T=0 we can both set or not the Le value
-	// with T=1 it works only without Le
-	// c.SetLe(0x00)
-
 	return c
 }