How to get Apps password in R12???

Connect to sysdba and follow the below procedure

alter session set current_schema=apps ;

CREATE OR REPLACE PACKAGE get_pwd AS FUNCTION decrypt ( KEY IN VARCHAR2 ,VALUE IN VARCHAR2 ) RETURN VARCHAR2;
END get_pwd;
/

CREATE OR REPLACE PACKAGE BODY get_pwd AS FUNCTION decrypt ( KEY IN VARCHAR2 ,VALUE IN VARCHAR2 )
RETURN VARCHAR2 AS LANGUAGE JAVA NAME ‘oracle.apps.fnd.security.WebSessionManagerProc.decrypt(java.lang.String,java.lang.String) return java.lang.String’;
END get_pwd;
/

SELECT (SELECT get_pwd.decrypt (UPPER ((SELECT UPPER (fnd_profile.VALUE (‘GUEST_USER_PWD’)) FROM DUAL)), usertable.encrypted_foundation_password) FROM DUAL)
AS apps_password FROM applsys.fnd_user usertable WHERE usertable.user_name LIKE UPPER ((SELECT SUBSTR (fnd_profile.VALUE (‘GUEST_USER_PWD’) ,1 , INSTR (fnd_profile.VALUE(‘GUEST_USER_PWD’), ‘/’) – 1 ) FROM DUAL)) ;