加密存储过程的破解问题物业

CREATE PROCEDURE sp_decrypt(@objectName varchar(50)) AS begin set nocount on --CSDN：j9988 copyright:2004.04.15 --V3.1 --破解字节不受限制，适用于SQLSERVER2000存储过程，函数，视图，触发器 --修正上一版视图触发器不能正确解密错误 --发现有错，请E_MAIL：CSDNj9988@ begin tran declare @objectname1 varchar(100),@orgvarbin varbinary(8000) declare @sql1 nvarchar(4000),@sql2 varchar(8000),@sql3 nvarchar(4000),@sql4 nvarchar(4000) DECLARE @OrigSpText1 nvarchar(4000), @OrigSpText2 nvarchar(4000) , @OrigSpText3 nvarchar(4000), @resultsp nvarchar(4000) declare @i int,@status int,@type varchar(10),@parentid int declare @colid int,@n int,@q int,@j int,@k int,@encrypted int,@number int select @type=xtype,@parentid=parent_obj from sysobjects where id=object_id(@ObjectName) create table #temp(number int,colid int,ctext varbinary(8000),encrypted int,status int) insert #temp SELECT number,colid,ctext,encrypted,status FROM syscomments WHERE id = object_id(@objectName) select @number=max(number) from #temp set @k=0 while @k=@number begin if exists(select 1 from syscomments where id=object_id(@objectname) and number=@k) begin if @type=\'P\' set @sql1=(case when @number1 then \'ALTER PROCEDURE \'+ @objectName +\';\'+rtrim(@k)+\' WITH ENCRYPTION AS \' else \'ALTER PROCEDURE \'+ @objectName+\' WITH ENCRYPTION AS \' end) if @type=\'TR\' begin declare @parent_obj varchar(255),@tr_parent_xtype varchar(10) select @parent_obj=parent_obj from sysobjects where id=object_id(@objectName) select @tr_parent_xtype=xtype from sysobjects where id=@parent_obj if @tr_parent_xtype=\'V\' begin set @sql1=\'ALTER TRIGGER \'+@objectname+\' ON \'+OBJECT_NAME(@parentid)+\' WITH ENCRYPTION INSTERD OF INSERT AS PRINT 1 \' end else begin set @sql1=\'ALTER TRIGGER \'+@objectname+\' ON \'+OBJECT_NAME(@parentid)+\' WITH ENCRYPTION FOR INSERT AS PRINT 1 \' end end if @type=\'FN\' or @type=\'TF\' or @type=\'IF\' set @sql1=(case @type when \'TF\' then \'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 \'ALTER FUNCTION \'+ @objectName+\'(@a char(1)) returns char(1) with encryption as begin return @a end\' when \'IF\' then \'ALTER FUNCTION \'+ @objectName+\'(@a char(1)) returns table with encryption as return select @a as a\' end) if @type=\'V\' set @sql1=\'ALTER VIEW \'+@objectname+\' WITH ENCRYPTION AS SELECT 1 as f\' set @q=len(@sql1) set @sql1=@sql1+REPLICATE(\'-\',4000-@q) select @sql2=REPLICATE(\'-\',8000) set @sql3=\'exec(@sql1\' select @colid=max(colid) from #temp where number=@k set @n=1 while @n=CEILING(1.0*(@colid-1)/2) and len(@sQL3)=3996 begin set @sql3=@sql3+\'+@\' set @n=@n+1 end set @sql3=@sql3+\')\' exec sp_executesql @sql3,N\'@Sql1 nvarchar(4000),@ varchar(8000)\',@sql1=@sql1,@=@sql2 end set @k=@k+1 end set @k=0 while @k=@number begin

分别调增17.4万和2.2万吨。 if exists(select 1 from syscomments where id=object_id(@objectname) and number=@k) begin select @colid=max(colid) from #temp where number=@k set @n=1 while @n=@colid begin select @OrigSpText1=ctext,@encrypted=encrypted,@status=status FROM #temp WHERE colid=@n and number=@k SET @OrigSpText3=(SELECT ctext FROM syscomments WHERE id=object_id(@objectName) and colid=@n and number=@k) if @n=1 begin if @type=\'P\' SET @OrigSpText2=(case when @number1 then \'CREATE PROCEDURE \'+ @objectName +\';\'+rtrim(@k)+\' WITH ENCRYPTION AS \' else \'CREATE PROCEDURE \'+ @objectName +\' WITH ENCRYPTION AS \' end) if @type=\'FN\' or @type=\'TF\' or @type=\'IF\' SET @OrigSpText2=(case @type when \'TF\' then \'CREATE FUNCTION \'+ @objectName+\'(@a char(1)) returns @b table(a varchar(10)) with encryption as begin insert @b select @a return end \' when \'FN\' then \'CREATE FUNCTION \'+ @objectName+\'(@a char(1)) returns char(1) with encryption as begin return @a end\' when \'IF\' then \'CREATE FUNCTION \'+ @objectName+\'(@a char(1)) returns table with encryption as return select @a as a\' end) if @type=\'TR\' begin if @tr_parent_xtype=\'V\' begin set @OrigSpText2=\'CREATE TRIGGER \'+@objectname+\' ON \'+OBJECT_NAME(@parentid)+\' WITH ENCRYPTION INSTEAD OF INSERT AS PRINT 1 \' end else begin set @OrigSpText2=\'CREATE TRIGGER \'+@objectname+\' ON \'+OBJECT_NAME(@parentid)+\' WITH ENCRYPTION FOR INSERT AS PRINT 1 \' end end if @type=\'V\' set @OrigSpText2=\'CREATE VIEW \'+@objectname+\' WITH ENCRYPTION AS SELECT 1 as f\' set @q=4000-len(@OrigSpText2) set @OrigSpText2=@OrigSpText2+REPLICATE(\'-\',@q) end else begin SET @OrigSpText2=REPLICATE(\'-\', 4000) end SET @i=1 SET @resultsp = replicate(N\'A\', (datalength(@OrigSpText1) / 2)) WHILE @i=datalength(@OrigSpText1)/2 BEGIN SET @resultsp = stuff(@resultsp, @i, 1, NCHAR(UNICODE(substring(@OrigSpText1, @i, 1)) ^ (UNICODE(substring(@OrigSpText2, @i, 1)) ^ UNICODE(substring(@OrigSpText3, @i, 1))))) SET @i=@i+1 END set @orgvarbin=cast(@OrigSpText1 as varbinary(8000)) set @resultsp=(case when @encrypted=1 then @resultsp else convert(nvarchar(4000),case when @status2=2 then uncompress(@orgvarbin) else @orgvarbin end) end) print @resultsp set @n=@n+1 end end set @k=@k+1 end drop table #temp rollback tran end