道与魔:SqlServer存储过程/函数加/解密

存储过程、存储函数的加密：WITH ENCRYPTION

一外国牛人所写

CREATE procedure dbo.sp_XML_main
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@table_name nvarchar(260)='',无忧脚本{)]"B d-m#y-P'Ti
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@dirname nvarchar(20)=''无忧脚本%Zjm6S"e?K

a mbP^N0WITH ENCRYPTION
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end
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　存储过程、存储函数的解密(以下是一位绝世高人编写的代码)无忧脚本#Qn'V4Fki

[被屏蔽广告]

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[sp_decrypt]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
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h,L^$|0drop procedure [dbo].[sp_decrypt]无忧脚本*@BNBQt9J
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GO无忧脚本2V%wS;g%E,MX
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/*--破解函数,过程,触发器,视图.仅限于SQLSERVER2000
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--作者:J9988-- All rights reserved*/
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/*--调用示例
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--解密指定存储过程
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my2FDC#B;I0exec sp_decrypt 'AppSP_test'无忧脚本:ARaU'QX"FZ
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--对所有的存储过程解密
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declare tb cursor for
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oj'Y[Eu3vU+x0select name from sysobjects where xtype='P' and status>0 and name<>'sp_decrypt'
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S5DI#{p#^0declare @name sysname
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6c OY\yH{I*y{0open tb
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fetch next from tb into @name无忧脚本I)~1q.E2km9j9m] U%f

+{}ee,ZQuh9~0while @@fetch_status=0
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begin
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}1?(G#Oz/H0print '/*-------存储过程 ['+@name+'] -----------*/'无忧脚本(jf L {:MJA%U

m,f\/|)T X$X0exec sp_decrypt @name
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@E){o`0fetch next from tb into @name
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end
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o6a0close tb
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deallocate tb无忧脚本[lmI;Tj|Q%qN

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if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[SP_DECRYPT]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)无忧脚本@.^[0uH
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drop procedure [dbo].[SP_DECRYPT]无忧脚本NW0C/GQLiR

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c9H"_ st?0CREATE PROCEDURE sp_decrypt(@objectName varchar(50))无忧脚本E7~^[(Ibg
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j_A:o!}|+~3U{&UO {0begin
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set nocount on
@jf#zp_Qd0无忧脚本 d PO{+Z1O
--破解字节不受限制，适用于SQLSERVER2000存储过程，函数，视图，触发器
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L[ v)I0y!Y[0--修正上一版视图触发器不能正确解密错误无忧脚本w4Nc/e$I`&|8M
无忧脚本w#Oy}a(Gk3vI;CM
--发现有错，请E_MAIL：CSDNj9988@tom.com
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begin tran无忧脚本_-LU}wR@H2Z
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declare @objectname1 varchar(100),@orgvarbin varbinary(8000)无忧脚本6ce&{cu(_])t[
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declare @sql1 nvarchar(4000),@sql2 varchar(8000),@sql3 nvarchar(4000),@sql4 nvarchar(4000)
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DECLARE @OrigSpText1 nvarchar(4000), @OrigSpText2 nvarchar(4000) , @OrigSpText3 nvarchar(4000), @resultsp nvarchar(4000)无忧脚本%_0D9SOa.m

qxNwL0declare @i int,@status int,@type varchar(10),@parentid int无忧脚本lp;z[ M

Q2f:vz4C8O0declare @colid int,@n int,@q int,@j int,@k int,@encrypted int,@number int无忧脚本6V,pEq8EUAkVx

[
_s RE"_0select @type=xtype,@parentid=parent_obj from sysobjects where id=object_id(@ObjectName)
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create table #temp(number int,colid int,ctext varbinary(8000),encrypted int,status int)无忧脚本 Mj5lH"` V

,c8BI5M7[(f0hnsert #temp SELECT number,colid,ctext,encrypted,status FROM syscomments WHERE id = object_id(@objectName)无忧脚本`S;oj!D/c

9Pp8[1@u7wV"Z }0select @number=max(number) from #temp
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set @k=0无忧脚本/oN*HhE\SB
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while @k<=@number无忧脚本m#p1n
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begin无忧脚本Enw;}1E^-i

Rt.E-GOa$|0if @type='P'
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B/V)o|L?0set @sql1=(case when @number>1 then 'ALTER PROCEDURE '+ @objectName +';'+rtrim(@k)+' WITH ENCRYPTION AS '
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select @parent_obj=parent_obj from sysobjects where id=object_id(@objectName)
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select @tr_parent_xtype=xtype from sysobjects where id=@parent_obj
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if @tr_parent_xtype='V'无忧脚本,r"Pit*Q3P
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begin无忧脚本OW_~U Oe~9e2q
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set @sql1='ALTER TRIGGER '+@objectname+' ON '+OBJECT_NAME(@parentid)+' WITH ENCRYPTION INSTERD OF INSERT AS PRINT 1 '
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begin无忧脚本'E ~2k'Ya6MfT$a,~:_?3c
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set @sql1='ALTER TRIGGER '+@objectname+' ON '+OBJECT_NAME(@parentid)+' WITH ENCRYPTION FOR INSERT AS PRINT 1 '无忧脚本 Y5SP(lr`:t
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end
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end无忧脚本6J AW2Y6_L*MvR
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if @type='FN' or @type='TF' or @type='IF'无忧脚本$\j!h%CE
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set @sql1=(case @type when 'TF' then无忧脚本6DX6{y"f"`&z;Nd
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'ALTER FUNCTION '+ @objectName+'(@a char(1)) returns @b table(a varchar(10)) with encryption as begin insert @b select @a return end '

when 'FN' then
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if @type='V'
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set @sql1='ALTER VIEW '+@objectname+' WITH ENCRYPTION AS SELECT 1 as f'
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set @q=len(@sql1)无忧脚本2a!?C&sg*]c
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set @sql1=@sql1+REPLICATE('-',4000-@q)无忧脚本s,evw3@S#PI2M?
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select @sql2=REPLICATE('-',8000)无忧脚本DSN%miA p
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set @sql3='exec(@sql1'
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set @n=1无忧脚本iA w,\1~b#t

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set @n=@n+1无忧脚本Q6P^ed

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exec sp_executesql @sql3,N'@sql1 nvarchar(4000),@ varchar(8000)',@sql1=@sql1,@=@sql2无忧脚本 `#Ef3}Q

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3{Lz4ZXi0select @colid=max(colid) from #temp where number=@k
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set @n=1无忧脚本 T8U%] dO3Q#x
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O3o!{ ch?E)j&f0SET @OrigSpText3=(SELECT ctext FROM syscomments WHERE id=object_id(@objectName) and colid=@n and number=@k)无忧脚本x*K!cxL[_Lz

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else 'CREATE PROCEDURE '+ @objectName +' WITH ENCRYPTION AS '
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if @type='FN' or @type='TF' or @type='IF'
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when 'FN' then
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'CREATE FUNCTION '+ @objectName+'(@a char(1)) returns char(1) with encryption as begin return @a end'
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when 'IF' then
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begin
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begin
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end
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set @OrigSpText2='CREATE TRIGGER '+@objectname+' ON '+OBJECT_NAME(@parentid)+' WITH ENCRYPTION FOR INSERT AS PRINT 1 '无忧脚本kA,T'uRMa

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end
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l0set @q=4000-len(@OrigSpText2)
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set @OrigSpText2=@OrigSpText2+REPLICATE('-',@q)无忧脚本(|9p3Uo{aH
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end无忧脚本T!|5|j_5\W'g"O/Bz

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begin无忧脚本6|I ?}~%hr
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SET @OrigSpText2=REPLICATE('-', 4000)
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end
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.Xh(U+Z0TtOk0e S,P5^0SET @resultsp = replicate(N'A', (datalength(@OrigSpText1) / 2))无忧脚本)q3t3P"u/gv\y'u/p

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j|xE ^am0WHILE @i<=datalength(@OrigSpText1)/2
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BEGIN
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:Yy"ox"\ ])E+VAR0SET @resultsp = stuff(@resultsp, @i, 1, NCHAR(UNICODE(substring(@OrigSpText1, @i, 1)) ^
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(UNICODE(substring(@OrigSpText2, @i, 1)) ^无忧脚本5YVL#@5R{b%DP
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}_T3D/S0UNICODE(substring(@OrigSpText3, @i, 1)))))无忧脚本K@'t*r8nVwA-h:Z
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SET @i=@i+1
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END无忧脚本|e&d1H2j*o
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set @orgvarbin=cast(@OrigSpText1 as varbinary(8000))
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then @resultsp无忧脚本{H
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rAJ5w5t0else convert(nvarchar(4000),case when @status&2=2 then uncompress(@orgvarbin) else @orgvarbin end)
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print @resultsp无忧脚本9E,no B(Rc)yR4|

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%}Wv kQD+_0set @n=@n+1
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end无忧脚本&W'O(jkb

?.o b(P_/RK_5E,\g0set @k=@k+1无忧脚本kh&Zkm$p,sffWu
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end