关于wallet加密的几个测试

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标题:关于wallet加密的几个测试

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

TDE中比较核心部分为wallet,对于这部分进行测试,对钱包加密有更加深刻的理解.
wallet随库启动本质

[oracle@localhost wallets]$ ls -ltr
total 8
-rw------- 1 oracle oinstall 3637 Jan  5 23:11 ewallet.p12
[oracle@localhost wallets]$ 
[oracle@localhost wallets]$ 
[oracle@localhost wallets]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Tue Jan 5 23:16:13 2016

Copyright (c) 1982, 2013, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> select * from v$encryption_wallet;

WRL_TYPE
--------------------
WRL_PARAMETER
--------------------------------------------------------------------------------
STATUS
------------------
file
/home/u01/oracle/network/wallets
OPEN


SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.

Total System Global Area 5044088832 bytes
Fixed Size                  2261928 bytes
Variable Size            1040190552 bytes
Database Buffers         3992977408 bytes
Redo Buffers                8658944 bytes
Database mounted.
Database opened.
SQL> select * from v$encryption_wallet;

WRL_TYPE
--------------------
WRL_PARAMETER
--------------------------------------------------------------------------------
STATUS
------------------
file
/home/u01/oracle/network/wallets
CLOSED

[oracle@localhost wallets]$ orapki wallet create -pwd xifenfei123 -wallet /home/u01/oracle/network/wallets  -auto_login
Oracle PKI Tool : Version 11.2.0.4.0 - Production
Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.

[oracle@localhost wallets]$ ls -ltr
total 16
-rw------- 1 oracle oinstall 3637 Jan  5 23:11 ewallet.p12
-rw------- 1 oracle oinstall 3715 Jan  5 23:20 cwallet.sso
[oracle@localhost wallets]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Tue Jan 5 23:21:04 2016

Copyright (c) 1982, 2013, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> select * from v$encryption_wallet;

WRL_TYPE
--------------------
WRL_PARAMETER
--------------------------------------------------------------------------------
STATUS
------------------
file
/home/u01/oracle/network/wallets
OPEN


SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.

Total System Global Area 5044088832 bytes
Fixed Size                  2261928 bytes
Variable Size            1040190552 bytes
Database Buffers         3992977408 bytes
Redo Buffers                8658944 bytes
Database mounted.
Database opened.
SQL> select * from v$encryption_wallet;

WRL_TYPE
--------------------
WRL_PARAMETER
--------------------------------------------------------------------------------
STATUS
------------------
file
/home/u01/oracle/network/wallets
OPEN

[oracle@localhost wallets]$ ls
cwallet.sso  ewallet.p12
[oracle@localhost wallets]$ rm cwallet.sso 
[oracle@localhost wallets]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Tue Jan 5 23:30:55 2016

Copyright (c) 1982, 2013, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> select * from v$encryption_wallet;

WRL_TYPE
--------------------
WRL_PARAMETER
--------------------------------------------------------------------------------
STATUS
------------------
file
/home/u01/oracle/network/wallets
OPEN


SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.

Total System Global Area 5044088832 bytes
Fixed Size                  2261928 bytes
Variable Size            1040190552 bytes
Database Buffers         3992977408 bytes
Redo Buffers                8658944 bytes
Database mounted.
Database opened.
SQL> select * from v$encryption_wallet;

WRL_TYPE
--------------------
WRL_PARAMETER
--------------------------------------------------------------------------------
STATUS
------------------
file
/home/u01/oracle/network/wallets
CLOSED

SQL>  alter system set wallet open identified by "xifenfei123";

System altered.

SQL>  select * from v$encryption_wallet;

WRL_TYPE
--------------------
WRL_PARAMETER
--------------------------------------------------------------------------------
STATUS
------------------
file
/home/u01/oracle/network/wallets
OPEN

通过测试我们发现当钱包中含cwallet.sso之时,wallet就会随库启动而open,当cwallet.sso被删除之后,wallet无法随库启动而open,由此可见,wallet是否随库启动而open取决于cwallet.sso文件.

修改wallet密码

[oracle@localhost wallets]$ orapki wallet change_pwd -wallet /home/u01/oracle/network/wallets 
> -oldpwd xifenfei123 -newpwd www.xifenfei.com
Oracle PKI Tool : Version 11.2.0.4.0 - Production
Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.

[oracle@localhost wallets]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Tue Jan 5 23:35:01 2016

Copyright (c) 1982, 2013, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> alter system set wallet close identified by "xifenfei123";

System altered.

SQL> select * from v$encryption_wallet;

WRL_TYPE
--------------------
WRL_PARAMETER
--------------------------------------------------------------------------------
STATUS
------------------
file
/home/u01/oracle/network/wallets
CLOSED


SQL> alter system set wallet open identified by "xifenfei123";
alter system set wallet open identified by "xifenfei123"
*
ERROR at line 1:
ORA-28353: failed to open wallet


SQL> alter system set wallet open identified by "www.xifenfei.com";

System altered.

SQL> select * from v$encryption_wallet;

WRL_TYPE
--------------------
WRL_PARAMETER
--------------------------------------------------------------------------------
STATUS
------------------
file
/home/u01/oracle/network/wallets
OPEN


SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@localhost wallets]$ ls -ltr
total 8
-rw------- 1 oracle oinstall 3638 Jan  5 23:34 ewallet.p12

wallet文件丢失

[oracle@localhost wallets]$ mv ewallet.p12 ewallet.p12_bak
[oracle@localhost wallets]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Tue Jan 5 23:36:55 2016

Copyright (c) 1982, 2013, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> alter system set wallet close identified by "www.xifenfei.com";

System altered.

SQL> alter system set wallet open identified by "www.xifenfei.com";
alter system set wallet open identified by "www.xifenfei.com"
*
ERROR at line 1:
ORA-28367: wallet does not exist


SQL> ALTER SYSTEM SET ENCRYPTION KEY IDENTIFIED BY "www.xifenfei.com";
ALTER SYSTEM SET ENCRYPTION KEY IDENTIFIED BY "www.xifenfei.com"
*
ERROR at line 1:
ORA-28362: master key not found


SQL> ALTER SYSTEM SET ENCRYPTION KEY IDENTIFIED BY "www.xifenfei";
ALTER SYSTEM SET ENCRYPTION KEY IDENTIFIED BY "www.xifenfei"
*
ERROR at line 1:
ORA-28353: failed to open wallet

如果wallet文件丢失,没有办法open钱包,也就是说加密数据无法读取.备份ewallet.p12文件非常重要

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