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Oracle GoldenGate 三、加密

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length> <n>

key length 表示加密密钥的长度；
n 表示产生多少个key；

[oracle@sywu ogg_src]$ ./keygen 128 2
0xDEE44B0133536B0DA1B858620E4A240D

0x71DF8D01C352097FC76BBA31232DA95A

每一次产生的key都是不一样的，产生key后为每一个key定义一个名称(keyName)复制保存到GoldenGate home根目录的ENCKEYS文件内。ENCKEYS文件是一个lookup file。
保存key到ENCKEYS文件

[oracle@sywu ogg_src]$ vim ENCKEYS 
#GoldenGate encryption key
#keyName       key
securekey1 0xDEE44B0133536B0DA1B858620E4A240D
securekey2 0x71DF8D01C352097FC76BBA31232DA95A

在GGSCI命令行通过key对密码加密

GGSCI (sywu) 8> encrypt password ogg_owner aes128 encryptkey securekey1
Encrypted password:  AADAAAAAAAAAAAJATJEEYELAGIQFZDWHQAMDMCCHGIVGFIPHOCABMAYCHGSCPHGILCPCLCXCCHUEFGOC
Algorithm used:  AES128

GGSCI (sywu) 9> encrypt password ogg_owner aes128 encryptkey securekey1
Encrypted password:  AADAAAAAAAAAAAJANJBHVDBAGCCBOIUCTJHJVIOCVGBFSGNJFFAAGIOHBJNBWAPANGWILCPFGIXBOIXB
Algorithm used:  AES128

密码加密后可以尝试使用dblogin登录数据库，验证密码

GGSCI (sywu as ogg_owner@sydb) 11> dblogin userid ogg_owner,password AADAAAAAAAAAAAJANJBHVDBAGCCBOIUCTJHJVIOCVGBFSGNJFFAAGIOHBJNBWAPANGWILCPFGIXBOIXB aes128 encryptkey securekey1
Successfully logged into database.

注意:因为在创建key时指定了key的长度，所以使用时指定的加密类型密钥长度也必须一致。

4 源端加密配置

源端配置主抽取进程加密和Data Pump进程加密。

4.1 配置主抽取进程

GGSCI (sywu as ogg_owner@sydb) 31> EDIT PaRAM ESYDB001

extract ESYDB001
SETENV(ORACLE_SID="sydb")
SETENV(NLS_LANG=AMERICAN_AMERICA.AL32UTF8)
userid ogg_owner,password AADAAAAAAAAAAAJANJBHVDBAGCCBOIUCTJHJVIOCVGBFSGNJFFAAGIOHBJNBWAPANGWILCPFGIXBOIXB &
aes128,ENCRYPTKEY securekey1
ENCRYPTTRAIL aes128,KEYNAME securekey1
EXTTRAIL /u01/app/product/ogg_src/dirdat/es
table ogg_owner.togg;

userid 中将password由原来的明码用加密后的密码代替，后面指定加密类型和密钥名称(ENCRYPTKEY);
ENCRYPTTRAIL 指定trail文件的加密类型和密钥名称(KEYNAME)；

4.2 配置Data Pump进程

GGSCI (sywu) 10> edit param PSYDB001

extract psydb001
SETENV(ORACLE_SID="sydb")
SETENV (NLS_LANG=AMERICAN_AMERICA.AL32UTF8)
userid ogg_owner,password AADAAAAAAAAAAAJANJBHVDBAGCCBOIUCTJHJVIOCVGBFSGNJFFAAGIOHBJNBWAPANGWILCPFGIXBOIXB aes128 encryptkey securekey1
DECRYPTTRAIL aes128 KEYNAME securekey1
RMTHOST sywu,mgrport 7909
ENCRYPTTRAIL aes128 KEYNAME securekey1
RMTTRAIL /u01/app/product/ogg_trg/dirdat/ps
TABLE ogg_owner.togg;

因为Data Pump要读取主抽取进程保存的trail文件数据并且提供了对数据的操作功能如实现过滤、运算等复杂的工作，所以在读取后必须先对原数据进行解密再处理，最后再次加密发送到目标端；
DECRYPTTRAIL 定义将要解密的文件的加密类型和加密key(KEYNAME)；
ENCRYPTTRAIL 定义最终处理后的数据加密类型和加密key(KEYNAME)；
注意:解密类型和keyname必须和主进程配置的相同。
启动进程

GGSCI (sywu as ogg_owner@sydb) 42> start *

Sending START request to MANAGER ...
EXTRACT ESYDB001 starting
EXTRACT PSYDB001 is already running.

GGSCI (sywu as ogg_owner@sydb) 43> info all

Program     Status      Group       Lag at Chkpt  Time Since Chkpt

MANAGER     RUNNING                                           
EXTRACT     RUNNING     ESYDB001    00:01:31      00:00:08    
EXTRACT     RUNNING     PSYDB001    00:00:00      116:02:26

5 目标端解密配置

目标端后台Collector进程在接受到源端的发送请求后将数据写入到目标端trail文件中，再由replicat进程读取、解密、重构dml或ddl语句应用到数据库，so 如果源端配置了加密则目标端必须进行解密配置，并且解密的类型和key必须和源端相同，操作步骤:

1 将源端创建的ENCKEYS文件发送到目标端GoldenGate根目录
2 Replicat进程配置解密操作
3 重启replicat进程

发送源端ENCKEYS文件到目标端可以scp或复制粘贴到目标端，此处省略其操作。

5.1 Replicat进程配置解密操作

[oracle@sywu ~]$ tggsci

Oracle GoldenGate Command Interpreter for Oracle
Version 12.1.2.1.0 OGGCORE_12.1.2.1.0_PLATFORMS_140727.2135.1_FBO
Linux, x64, 64bit (optimized), Oracle 11g on Aug  7 2014 09:14:25
Operating system character set identified as UTF-8.

Copyright (C) 1995, 2014, Oracle and/or its affiliates. All rights reserved.

GGSCI (sywu) 1> edit param RSYDB001

REPLICAT rsydb001
SETENV(ORACLE_SID="sydb")
SETENV (NLS_LANG=AMERICAN_AMERICA.AL32UTF8)
USERID ogg_trg,password AADAAAAAAAAAAAHABDQFVJMADCAFECACYEPIQEJCFGDGMDHBRJXCUBOBQJEGLBPEBDMCOAACDILGAJKA  &
aes128,ENCRYPTKEY securekey1
DISCARDFILE /u01/app/product/ogg_trg/discrd/reptr.desc,append,megabytes 512
DECRYPTTRAIL AES128, KEYNAME securekey1
ALLOWNOOPUPDATES
ASSUMETARGETDEFS
MAP OGG_OWNER.TOGG,target OGG_TRG.TOGG;

DECRYPTTRAIL 定义将要解密的文件的加密类型和加密密钥(KEYNAME)，这里和源端必须相同；
这些都配置好了，重启replicat 进程。

6 未加密和加密trail文件对比分析

6.1 未加密trail文件分析

[oracle@sywu ~]$ strings  /u01/app/product/ogg_src/dirdat/es000004
*uri:sywu::u01:app:product:ogg_src:ESYDB0016
(/u01/app/product/ogg_src/dirdat/es0000047
575523
575169
,............................................
Linux1
sywu2
2.6.32-431.23.3.el6.x86_643
##1 SMP Thu Jul 31 17:20:51 UTC 20144
x86_642
SYDB2
sydb3
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0 - Production
CORE    11.2.0.3.0      Production
TNS for Linux: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
11.2.0.3.09
+08:003
ESYDB0011
AVersion 12.1.2.1.0 OGGCORE_12.1.2.1.0_PLATFORMS_140727.2135.1_FBO4
ESYDB001Z
OGG_OWNER.TOGG
1003
1900-01-01:00:00:00
1900-01-01:00:00:00T
AAADX2AAGAAAAA2AAA
5755236
        2.138.127Z
OGG_OWNER.TOGG
1004
sywu
user
1900-01-01:00:00:00
1900-01-01:00:00:00T
AAADX2AAGAAAAA2AAB

以上的trail文件来自上次未加密的测试环境中，具体的dml

OGG_OWNER@sydb>insert into togg(id,name)values(1003,‘tt‘) ;

1 row created.

Elapsed: 00:00:00.00
OGG_OWNER@sydb>insert into togg(id,name,type)values(1004,‘sywu‘,‘user‘);

1 row created.

Elapsed: 00:00:00.01

So 在未加密情况下可以清楚的看到新增的id(1003,1004)和rowid(AAADX2AAGAAAAA2AAA，AAADX2AAGAAAAA2AAB)；

6.2 加密trail文件分析

在源端插入如下数据:

SYS@sydb>conn ogg_owner/ogg_owner
Connected.
OGG_OWNER@sydb>insert into togg(id,name,type)values(1005,‘sywu‘,‘user‘);

1 row created.

Elapsed: 00:00:00.09
OGG_OWNER@sydb>insert into togg(id,name,type)values(1006,‘sywu‘,‘user‘);

1 row created.

Elapsed: 00:00:00.01
OGG_OWNER@sydb>commit;

Commit complete.

Elapsed: 00:00:00.00

分析GoldenGate Data Pump进程

GGSCI (sywu) 11> stats PSYDB001

Sending STATS request to EXTRACT PSYDB001 ...

Start of Statistics at 2015-08-31 17:32:14.

Output to /u01/app/product/ogg_trg/dirdat/ps:

Extracting from OGG_OWNER.TOGG to OGG_OWNER.TOGG:

*** Total statistics since 2015-08-31 17:29:53 ***
        Total inserts                                      2.00
        Total updates                                      0.00
        Total deletes                                      0.00
        Total discards                                     0.00
        Total operations                                   2.00

*** Daily statistics since 2015-08-31 17:29:53 ***
        Total inserts                                      2.00
        Total updates                                      0.00
        Total deletes                                      0.00
        Total discards                                     0.00
        Total operations                                   2.00

*** Hourly statistics since 2015-08-31 17:29:53 ***
        Total inserts                                      2.00
        Total updates                                      0.00
        Total deletes                                      0.00
        Total discards                                     0.00
        Total operations                                   2.00

*** Latest statistics since 2015-08-31 17:29:53 ***
        Total inserts                                      2.00
        Total updates                                      0.00
        Total deletes                                      0.00
        Total discards                                     0.00
        Total operations                                   2.00

End of Statistics.

GGSCI (sywu) 12> info PSYDB001,detail

EXTRACT    PSYDB001  Last Started 2015-08-31 17:17   Status RUNNING
Checkpoint Lag       00:00:00 (updated 00:00:01 ago)
Process ID           31884
Log Read Checkpoint  File /u01/app/product/ogg_src/dirdat/es000007
                     2015-08-31 17:29:49.000000  RBA 1865

  Target Extract Trails:

  Trail Name                                       Seqno        RBA     Max MB Trail Type

  /u01/app/product/ogg_trg/dirdat/ps                  10       2043        100 RMTTRAIL  

  Extract Source                          Begin             End             

  /u01/app/product/ogg_src/dirdat/es000007  2015-08-26 10:04  2015-08-31 17:29
  /u01/app/product/ogg_src/dirdat/es000004  2015-08-26 10:04  2015-08-26 10:04
  /u01/app/product/ogg_src/dirdat/es000004  2015-08-26 10:04  2015-08-26 10:04
  /u01/app/product/ogg_src/dirdat/es000004  2015-08-26 10:04  2015-08-26 10:04
  /u01/app/product/ogg_src/dirdat/es000004  2015-08-26 10:04  2015-08-26 10:04
  /u01/app/product/ogg_src/dirdat/es000004  2015-08-26 10:04  2015-08-26 10:04
  /u01/app/product/ogg_src/dirdat/es000004  * Initialized *   2015-08-26 10:04
  /u01/app/product/ogg_src/dirdat/es000000  * Initialized *   First Record    
  /u01/app/product/ogg_src/dirdat/es000000  * Initialized *   First Record    
  /u01/app/product/ogg_src/dirdat/es000000  * Initialized *   First Record    
  /u01/app/product/ogg_src/dirdat/es000000  * Initialized *   First Record

Current directory    /u01/app/product/ogg_src

Report file          /u01/app/product/ogg_src/dirrpt/PSYDB001.rpt
Parameter file       /u01/app/product/ogg_src/dirprm/psydb001.prm
Checkpoint file      /u01/app/product/ogg_src/dirchk/PSYDB001.cpe
Process file         /u01/app/product/ogg_src/dirpcs/PSYDB001.pce
Error log            /u01/app/product/ogg_src/ggserr.log

源端Data Pump进程从主抽取进程保存的trail文件中读取到两条插入信息，它读取的trail文件是:/u01/app/product/ogg_src/dirdat/es000007；注意它们的工作原理，主抽取进程抽取数据加密并保存到trail文件，Data Pump进程读取trail文件解密再进行数据操作，最后发送；

[oracle@sywu ~]$ strings /u01/app/product/ogg_src/dirdat/es000007
*uri:sywu::u01:app:product:ogg_src:ESYDB0016
(/u01/app/product/ogg_src/dirdat/es0000077
597066
,............................................
Linux1
sywu2
2.6.32-431.23.3.el6.x86_643
##1 SMP Thu Jul 31 17:20:51 UTC 20144
x86_642
SYDB2
sydb3
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0 - Production
CORE    11.2.0.3.0      Production
TNS for Linux: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
11.2.0.3.09
+08:003
ESYDB0011
AVersion 12.1.2.1.0 OGGCORE_12.1.2.1.0_PLATFORMS_140727.2135.1_FBO4
ESYDB001Z
OGG_OWNER.TOGG
AAADX2AAGAAAAA7AAA
5981816
1.86.100Z
OGG_OWNER.TOGG
uaDL
AAADX2AAGAAAAA7AAB

数据加密了，看不到了。
源端replicat进程信息

[oracle@sywu ogg_src]$ tggsci 

Oracle GoldenGate Command Interpreter for Oracle
Version 12.1.2.1.0 OGGCORE_12.1.2.1.0_PLATFORMS_140727.2135.1_FBO
Linux, x64, 64bit (optimized), Oracle 11g on Aug  7 2014 09:14:25
Operating system character set identified as UTF-8.

Copyright (C) 1995, 2014, Oracle and/or its affiliates. All rights reserved.

GGSCI (sywu) 1> info all

Program     Status      Group       Lag at Chkpt  Time Since Chkpt

MANAGER     RUNNING                                           
REPLICAT    RUNNING     RSYDB001    00:00:00      00:00:03    

GGSCI (sywu) 4> stats RSYDB001

Sending STATS request to REPLICAT RSYDB001 ...

Start of Statistics at 2015-08-31 18:40:08.

Replicating from OGG_OWNER.TOGG to OGG_TRG.TOGG:

*** Total statistics since 2015-08-31 17:30:03 ***
        Total inserts                                      2.00
        Total updates                                      0.00
        Total deletes                                      0.00
        Total discards                                     0.00
        Total operations                                   2.00

*** Daily statistics since 2015-08-31 17:30:03 ***
        Total inserts                                      2.00
        Total updates                                      0.00
        Total deletes                                      0.00
        Total discards                                     0.00
        Total operations                                   2.00

*** Hourly statistics since 2015-08-31 18:00:00 ***

        No database operations have been performed.

*** Latest statistics since 2015-08-31 17:30:03 ***
        Total inserts                                      2.00
        Total updates                                      0.00
        Total deletes                                      0.00
        Total discards                                     0.00
        Total operations                                   2.00
End of Statistics.

GGSCI (sywu) 2> info RSYDB001,detail

REPLICAT   RSYDB001  Last Started 2015-08-31 17:16   Status RUNNING
Checkpoint Lag       00:00:00 (updated 00:00:05 ago)
Process ID           31615
Log Read Checkpoint  File /u01/app/product/ogg_trg/dirdat/ps000010
                     2015-08-31 17:29:49.000465  RBA 2043

Current Log BSN value: (requires database login)

Last Committed Transaction CSN value: (requires database login)

  Extract Source                          Begin             End             

  /u01/app/product/ogg_trg/dirdat/ps000010  2015-08-26 10:04  2015-08-31 17:29
  /u01/app/product/ogg_trg/dirdat/ps000008  2015-08-26 09:52  2015-08-26 10:04
  /u01/app/product/ogg_trg/dirdat/ps000008  2015-08-25 13:58  2015-08-26 09:52
  /u01/app/product/ogg_trg/dirdat/ps000006  2015-08-25 13:49  2015-08-25 13:58
  /u01/app/product/ogg_trg/dirdat/ps000006  2015-08-25 13:49  2015-08-25 13:49
  /u01/app/product/ogg_trg/dirdat/ps000006  2015-08-25 13:49  2015-08-25 13:49
  /u01/app/product/ogg_trg/dirdat/ps000006  * Initialized *   2015-08-25 13:49
  /u01/app/product/ogg_trg/dirdat/ps000006  * Initialized *   First Record    
  /u01/app/product/ogg_trg/dirdat/ps000000  * Initialized *   First Record    
  /u01/app/product/ogg_trg/dirdat/ps000000  * Initialized *   First Record    
  /u01/app/product/ogg_trg/dirdat/ps000000  * Initialized *   First Record    
  /u01/app/product/ogg_trg/dirdat/ps000000  * Initialized *   First Record    

Current directory    /u01/app/product/ogg_trg

Report file          /u01/app/product/ogg_trg/dirrpt/RSYDB001.rpt
Parameter file       /u01/app/product/ogg_trg/dirprm/rsydb001.prm
Checkpoint file      /u01/app/product/ogg_trg/dirchk/RSYDB001.cpr
Checkpoint table     OGG_TRG.OGG_CHK
Process file         /u01/app/product/ogg_trg/dirpcs/RSYDB001.pcr
Error log            /u01/app/product/ogg_trg/ggserr.log

目标端同样插入两条数据，replicate进程从/u01/app/product/ogg_trg/dirdat/ps000010文件中读取了后台collector进程接受到的trail数据。

[oracle@sywu ~]$ strings /u01/app/product/ogg_trg/dirdat/ps000010
*uri:sywu::u01:app:product:ogg_src:PSYDB0015
*uri:sywu::u01:app:product:ogg_src:ESYDB0016
(/u01/app/product/ogg_trg/dirdat/ps0000107
598181
594135
,............................................
Linux1
sywu2
2.6.32-431.23.3.el6.x86_643
##1 SMP Thu Jul 31 17:20:51 UTC 20144
x86_642
SYDB2
sydb3
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0 - Production
CORE    11.2.0.3.0      Production
TNS for Linux: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
11.2.0.3.09
+08:003
ESYDB0011
AVersion 12.1.2.1.0 OGGCORE_12.1.2.1.0_PLATFORMS_140727.2135.1_FBO4
ESYDB001Z
ESYDB001Z
ESYDB001Z
OGG_OWNER.TOGG
AAADX2AAGAAAAA7AAA
5981816
1.86.100Z
OGG_OWNER.TOGG
uaDL
AAADX2AAGAAAAA7AAB

文件的信息同样是加密的，replicate读取后进行解密、重构、应用到目标库。

7 OBEY文件

　　GodlenGate的每个Extract、Replicat进程都需要配置数据库连接，随着进程的增加和各自分工不同或数据交换的目标地不同，如果每个都这样配置，那当数据库用户密码改变了，那岂不是要大动干戈的修改，有没有什么方式可以像面向对象设计一样把公共的部分提取出来呢？肯定有了，GoldenGate提供了一个叫OBEY的参数，允许将公共常用的部分提取保存到独立的文件中实现共享和重用，例如下面的进程配置:

GGSCI (sywu) 2> view param PSYDB001

extract psydb001
SETENV(ORACLE_SID="sydb")
SETENV (NLS_LANG=AMERICAN_AMERICA.AL32UTF8)
userid ogg_owner,password AADAAAAAAAAAAAJANJBHVDBAGCCBOIUCTJHJVIOCVGBFSGNJFFAAGIOHBJNBWAPANGWILCPFGIXBOIXB aes128 encrypt
key securekey1
DECRYPTTRAIL aes128 KEYNAME securekey1
RMTHOST sywu,mgrport 7909
ENCRYPTTRAIL aes128 KEYNAME securekey1
RMTTRAIL /u01/app/product/ogg_trg/dirdat/ps
TABLE ogg_owner.togg;

数据库连接、DECRYPTTRAIL、RMTHOST这些参数基本都是共用和不常变的，so 可以将其保存到独立的文件中；

[oracle@sywu dirdef]$ vim /u01/app/product/ogg_src/dirdef/dbConnect.obey

userid ogg_owner,password AADAAAAAAAAAAAJANJBHVDBAGCCBOIUCTJHJVIOCVGBFSGNJFFAAGIOHBJNBWAPANGWILCPFGIXBOIXB aes128 encrypt
key securekey1
DECRYPTTRAIL aes128 KEYNAME securekey1
RMTHOST sywu,mgrport 7909

然后在进程参数配置文件中通过OBEY引用该文件；

extract psydb001
SETENV(ORACLE_SID="sydb")
SETENV (NLS_LANG=AMERICAN_AMERICA.AL32UTF8)
OBEY /u01/app/product/ogg_src/dirdef/dbConnect.obey
ENCRYPTTRAIL aes128 KEYNAME securekey1
RMTTRAIL /u01/app/product/ogg_trg/dirdat/ps
TABLE ogg_owner.togg;

这样以后涉及数据库连接的信息就只用更改该文件了，GoldenGate支持16级子文件递归调用，这也就意外着可以将更多的配置细化管理。

8 总结

　　GoldenGate提供了AES128、AES192、AES256和BLOWFISH类型加密，BLOWFISH在keyname为default时可用，一般用于较早版本中，AES类型的加密更为安全。主抽取进程的加密是可选的，可以只在Data Pump进程中进行数据加密。进程的加密要考虑到加密的长度和密钥名称，必须先用GoldenGate提供的工具keygen或其它的工具生成密钥保存在ENCKEYS lookUp文件中，然后在GGSCI命令行中根据密码类型和ENCKEYS中的密钥名称生成加密密码，最后在配置文件或GGSCI命令中使用加密密码。目标端必须具有和源端相同的ENCKEYS lookUp文件并且在配置解密时，加密解密的类型和密钥名称要一致。

--The end(2015-08-31)

Oracle GoldenGate 三、加密

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本文系统来源：http://www.cnblogs.com/lanston/p/ogg_encryption.html

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首页 / ORACLE / Oracle GoldenGate 三、加密

Oracle GoldenGate 三、加密

内容导读

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4 源端加密配置

4.1 配置主抽取进程

4.2 配置Data Pump进程

5 目标端解密配置

5.1 Replicat进程配置解密操作

6 未加密和加密trail文件对比分析

6.1 未加密trail文件分析

6.2 加密trail文件分析

7 OBEY文件

8 总结

内容总结

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