sorry to disappoint you but ..
Code:
SQL> create user test2 identified by test2;

User created.

SQL> grant create session to test2;

Grant succeeded.

SQL> select password from dba_users where username = 'TEST2';

PASSWORD
------------------------------
2E3197EF1322CB1D

SQL> alter user test2 identified by test5;

User altered.

SQL> connect test2/test5
Connected.
SQL> connect / as sysdba
Connected.
SQL> alter user test2 identified by values '2E3197EF1322CB1D';

User altered.

SQL> connect test2/test2
Connected.
SQL> connect / as sysdba
Connected.
SQL> select * from v$version;

BANNER
----------------------------------------------------------------
Oracle9i Enterprise Edition Release 9.2.0.5.0 - Production
PL/SQL Release 9.2.0.5.0 - Production
CORE    9.2.0.6.0       Production
TNS for Linux: Version 9.2.0.5.0 - Production
NLSRTL Version 9.2.0.5.0 - Production