Set listener password in oracle database.

This is my listener 

SID_LIST_MYLISTENER=
  (SID_LIST=
(SID_DESC =
      (GLOBAL_DBNAME = ORCL)
      (ORACLE_HOME = D:\app\product\11.2.0\dbhome_1)
      (SID_NAME = ORCL)
    )
  )

MYLISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
      (ADDRESS = (PROTOCOL = TCP)(HOST = N1020)(PORT = 1521))
    )
  )

ADR_BASE_LISTENER = D:\app

================================================


C:\Users\rajib.pradhan>lsnrctl

LSNRCTL for 32-bit Windows: Version 11.2.0.1.0 - Production on 02-NOV-2014 10:45:29

Copyright (c) 1991, 2010, Oracle.  All rights reserved.

Welcome to LSNRCTL, type "help" for information.
LSNRCTL> change_password MYLISTENER
Old password:
New password:
Reenter new password:
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
Password changed for LISTENER
The command completed successfully
LSNRCTL> save_config MYLISTENER
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
Saved MYLISTENER configuration parameters.
Listener Parameter File   D:\app\product\11.2.0\dbhome_1\network\admin\listener.ora
Old Parameter File   D:\app\product\11.2.0\dbhome_1\network\admin\listener.bak
The command completed successfully
LSNRCTL> status MYLISTENER
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
------------------------
Alias                     MYLISTENER
Version                   TNSLSNR for 32-bit Windows: Version 11.2.0.1.0 - Production
Start Date                02-NOV-2014 10:51:24
Uptime                    0 days 0 hr. 2 min. 59 sec
Trace Level               off
Security                  ON: Password or Local OS Authentication
SNMP                      OFF
Listener Parameter File   D:\app\product\11.2.0\dbhome_1\network\admin\listener.ora
Listener Log File         d:\app\diag\tnslsnr\N1020\mylistener\alert\log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=N1020)(PORT=1521)))
Services Summary...
Service "ORCL" has 1 instance(s).
  Instance "ORCL", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
LSNRCTL> stop MYLISTENER
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
The command completed successfully
LSNRCTL> start MYLISTENER
Starting tnslsnr: please wait...

TNSLSNR for 32-bit Windows: Version 11.2.0.1.0 - Production
System parameter file is D:\app\product\11.2.0\dbhome_1\network\admin\listener.ora
Log messages written to d:\app\diag\tnslsnr\N1020\mylistener\alert\log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=N1020)(PORT=1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
------------------------
Alias                     MYLISTENER
Version                   TNSLSNR for 32-bit Windows: Version 11.2.0.1.0 - Production
Start Date                02-NOV-2014 10:54:40
Uptime                    0 days 0 hr. 0 min. 5 sec
Trace Level               off
Security                  ON: Password or Local OS Authentication
SNMP                      OFF
Listener Parameter File   D:\app\product\11.2.0\dbhome_1\network\admin\listener.ora
Listener Log File         d:\app\diag\tnslsnr\N1020\mylistener\alert\log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=N1020)(PORT=1521)))
Services Summary...
Service "ORCL" has 1 instance(s).
  Instance "ORCL", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully

LSNRCTL>

-- After set listener password listener.ora file will be change with new parameter PASSWORDS_MYLISTENER Like this --------

#----ADDED BY TNSLSNR 02-NOV-2014 10:53:38---
PASSWORDS_MYLISTENER = 95286B9DA1A6B8FE

#--------------------------------------------