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Oracle 存储过程加密方法

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Release: 2016-06-07 18:07:20
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Oracle 存储过程加密方法,需要的朋友可以参考下。

软件环境:
  1、操作系统:Windows 2000 Server
  2、数 据 库:Oracle 8i R2 (8.1.7) for NT 企业版
  3、安装路径:C:ORACLE
  实现方法:
  1、
  D:>set NLS_LANG=AMERICAN_AMERICA.USACII7
  或
  D:>set NLS_LANG=AMERICAN_AMERICA.WE8ISO8859P1

  D:>set
  直接打set命令可以查看环境变量
  2、
  在D:下创建a.sql文件,内容如下:
  create or replace procedure test1(i in number) as
  begin
  dbms_output.put_line('输入参数是'||to_char(i));

  end;
  3、
  D:>wrap iname=a.sql
  PL/SQL Wrapper: Release 8.1.7.0.0 - Production on Tue Nov 27 22:26:48 2001
  Copyright (c) Oracle Corporation 1993, 2000. All Rights Reserved.
  Processing a.sql to a.plb
  4、
  打开a.plb,现在它的内容如下:
  create or replace procedure test1 wrapped
  0
  abcd
  abcd
  abcd
  abcd
  abcd
  abcd
  abcd
  abcd
  abcd
  abcd
  abcd
  abcd
  abcd
  abcd
  abcd
  3
  7
  8106000
  1
  4
  0
  8
  2 :e:
  1TEST1:
  1I:
  1NUMBER:
  1DBMS_OUTPUT:
  1PUT_LINE:
  1输入参数是:
  1||:
  1TO_CHAR:
  0
  0
  0
  1f
  2
  0 1d 9a 8f a0 b0 3d b4
  55 6a :2 a0 6b 6e 7e :2 a0 a5
  b b4 2e a5 57 b7 a4 b1
  11 68 4f 17 b5
  1f
  2
  0 3 4 1d 19 18 25 15
  2a 2e 32 36 3a 3d 42 45
  49 4d 4e 50 51 56 57 5c
  5e 62 64 70 74 76 7f
  1f
  2
  0 1 b 11 16 :2 11 10 :3 1
  :2 d 16 22 24 2c :2 24 :2 16 :a 1
  1f
  2
  0 :9 1 :d 3 :2 2 :3 1 4 :2 1
  81
  4
  :4 0 1 :a 0 1b
  1 :4 0 5 :2 0
  :2 3 :3 0 2 :7 0
  5 4 :3 0 7
  :2 0 1b 2 8
  :2 0 4 :3 0 5
  :3 0 a b 0
  6 :4 0 7 :2 0
  8 :3 0 2 :3 0
  7 f 11 9
  e 13 :3 0 :2 c
  15 :2 0 17 10
  1a :3 0 1a 0
  1a 19 17 18
  :6 0 1b :2 0 2
  8 1a 1d :2 0
  1 1b 1e :8 0
  13
  4
  :3 0 1 3 1
  6 1 10 2
  d 12 1 14
  1 16 2 16
  1c
  1
  4
  0
  1d
  0
  1
  14
  1
  2
  0 0 0 0 0 0 0 0
  0 0 0 0 0 0 0 0
  0 0 0 0
  2 0 1
  3 1 0
  0
  /
  5、运行a.plb
  SQL> @d:a.plb
  过程已创建。
  6、运行存储过程
  SQL> set serveroutput on

  SQL> execute test1(1);
  输入参数是1
  PL/SQL 过程已成功完成。
  7、查看存储过程的代码
  SQL> select name,text from all_source where type='PROCEDURE' and name='TEST1';
  结果:看不到其原码
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