怎么查看sqlserver2005的加密存储过程？具体怎么操作

create PROCEDURE [dbo].[sp_decrypt] (@procedure sysname = NULL)  AS  SET NOCOUNT ON  BEGINDECLARE @intProcSpace bigint, @t bigint, @maxColID smallint,@intEncrypted  tinyint,@procNameLength int  select @maxColID = max(subobjid),@intEncrypted = imageval FROM  sys.sysobjvalues WHERE objid = object_id(@procedure)  GROUP BY imageval  select @procNameLength = datalength(@procedure) + 29  DECLARE @real_01 nvarchar(max)  DECLARE @fake_01 nvarchar(max)  DECLARE @fake_encrypt_01 nvarchar(max)  DECLARE @real_decrypt_01 nvarchar(max),@real_decrypt_01a nvarchar(max)  declare @objtype varchar(2),@ParentName nvarchar(max)  select @real_decrypt_01a = ''  --提取对象的类型如是存储过程还是函数，如果是触发器，还要得到其父对象的名称  select @objtype=type,@parentname=object_name(parent_object_id)  from sys.objects where [object_id]=object_id(@procedure)  -- 从sys.sysobjvalues里提出加密的imageval记录  SET @real_01=(SELECT top 1 imageval FROM sys.sysobjvalues WHERE objid =  object_id(@procedure) and valclass = 1 order by subobjid)  --创建一个临时表  create table #output ( [ident] [int] IDENTITY (1, 1) NOT NULL ,  [real_decrypt] NVARCHAR(MAX) )  --开始一个事务，稍后回滚  BEGIN TRAN  --更改原始的存储过程，用短横线替换  if @objtype='P'  SET @fake_01='ALTER PROCEDURE '+ @procedure +' WITH ENCRYPTION AS  '+REPLICATE('-', 40003 - @procNameLength)  else if @objtype='FN'  SET @fake_01='ALTER FUNCTION '+ @procedure +'() RETURNS INT WITH ENCRYPTION AS BEGIN RETURN 1  /*'+REPLICATE('*', datalength(@real_01) /2 - @procNameLength)+'*/ END'  else if @objtype='V'  SET @fake_01='ALTER view '+ @procedure +' WITH ENCRYPTION AS select 1 as col  /*'+REPLICATE('*', datalength(@real_01) /2 - @procNameLength)+'*/'  else if @objtype='TR'  SET @fake_01='ALTER trigger '+ @procedure +' ON [email protected]+'WITH ENCRYPTION AFTER INSERT AS RAISERROR (''N'',16,10)  /*'+REPLICATE('*', datalength(@real_01) /2 - @procNameLength)+'*/'  EXECUTE (@fake_01)  --从sys.sysobjvalues里提出加密的假的  SET @fake_encrypt_01=(SELECT top 1 imageval FROM sys.sysobjvalues WHERE objid =  object_id(@procedure) and valclass = 1 order by subobjid )  if @objtype='P'  SET @fake_01='Create PROCEDURE '+ @procedure +' WITH ENCRYPTION AS  '+REPLICATE('-', 40003 - @procNameLength)  else if @objtype='FN'  SET @fake_01='CREATE FUNCTION '+ @procedure +'() RETURNS INT WITH ENCRYPTION AS BEGIN RETURN 1  /*'+REPLICATE('*', datalength(@real_01) /2 - @procNameLength)+'*/ END'  else if @objtype='V'  SET @fake_01='Create view '+ @procedure +' WITH ENCRYPTION AS select 1 as col  /*'+REPLICATE('*', datalength(@real_01) /2 - @procNameLength)+'*/'  else if @objtype='TR'  SET @fake_01='Create trigger '+ @procedure +' ON [email protected]+'WITH ENCRYPTION AFTER INSERT AS RAISERROR (''N'',16,10)  /*'+REPLICATE('*', datalength(@real_01) /2 - @procNameLength)+'*/'  --开始计数  SET @intProcSpace=1  --使用字符填充临时变量  SET @real_decrypt_01 = replicate(N'A', (datalength(@real_01) /2 ))  --循环设置每一个变量，创建真正的变量  --每次一个字节  SET @intProcSpace=1  --如有必要，[email protected]_xx变量并解密  WHILE @intProcSpace<=(datalength(@real_01)/2)  BEGIN  --真的和假的和加密的假的进行异或处理  SET @real_decrypt_01 = stuff(@real_decrypt_01, @intProcSpace, 1,  NCHAR(UNICODE(substring(@real_01, @intProcSpace, 1)) ^  (UNICODE(substring(@fake_01, @intProcSpace, 1)) ^  UNICODE(substring(@fake_encrypt_01, @intProcSpace, 1)))))  SET @[email protected]+1  END  --通过sp_helptext逻辑向表#output里插入变量  insert #output (real_decrypt) select @real_decrypt_01  -- select real_decrypt AS '#output chek' from #output --测试  -- -------------------------------------  --开始从sp_helptext提取  -- -------------------------------------  declare @dbname sysname  ,@BlankSpaceAdded int  ,@BasePos int  ,@CurrentPos int  ,@TextLength int  ,@LineId int  ,@AddOnLen int  ,@LFCR int --回车换行的长度  ,@DefinedLength int  ,@SyscomText nvarchar(4000)  ,@Line nvarchar(255)  Select @DefinedLength = 255  SELECT @BlankSpaceAdded = 0 --跟踪行结束的空格。注意Len函数忽略了多余的空格  CREATE TABLE #CommentText  (LineId int  ,Text nvarchar(255) collate database_default)  --使用#output代替sys.sysobjvalues  DECLARE ms_crs_syscom CURSOR LOCAL  FOR SELECT real_decrypt from #output  ORDER BY ident  FOR READ ONLY  --获取文本  SELECT @LFCR = 2  SELECT @LineId = 1  OPEN ms_crs_syscom  FETCH NEXT FROM ms_crs_syscom into @SyscomText  WHILE @@fetch_status >= 0  BEGIN  SELECT @BasePos = 1  SELECT @CurrentPos = 1  SELECT @TextLength = LEN(@SyscomText)  WHILE @CurrentPos != 0  BEGIN  --通过回车查找行的结束  SELECT @CurrentPos = CHARINDEX(char(13)+char(10), @SyscomText,  @BasePos)  --如果找到回车  IF @CurrentPos != 0  BEGIN  [email protected]@Lines目前的内容并继续  While (isnull(LEN(@Line),0) + @BlankSpaceAdded +  @[email protected] + @LFCR) > @DefinedLength  BEGIN  SELECT @AddOnLen = @DefinedLength-(isnull(LEN(@Line),0) +  @BlankSpaceAdded)  INSERT #CommentText VALUES  ( @LineId,  isnull(@Line, N'') + isnull(SUBSTRING(@SyscomText,  @BasePos, @AddOnLen), N''))  SELECT @Line = NULL, @LineId = @LineId + 1,  @BasePos = @BasePos + @AddOnLen, @BlankSpaceAdded = 0  END  SELECT @Line = isnull(@Line, N'') +  isnull(SUBSTRING(@SyscomText, @BasePos, @[email protected] + @LFCR), N'')  SELECT @BasePos = @CurrentPos+2  INSERT #CommentText VALUES( @LineId, @Line )  SELECT @LineId = @LineId + 1  SELECT @Line = NULL  END  ELSE  --如果回车没找到  BEGIN  IF @BasePos <= @TextLength  BEGIN  [email protected]  While (isnull(LEN(@Line),0) + @BlankSpaceAdded +  @[email protected]+1 ) > @DefinedLength  BEGIN  SELECT @AddOnLen = @DefinedLength -  (isnull(LEN(@Line),0) + @BlankSpaceAdded)  INSERT #CommentText VALUES  ( @LineId,  isnull(@Line, N'') + isnull(SUBSTRING(@SyscomText,  @BasePos, @AddOnLen), N''))  SELECT @Line = NULL, @LineId = @LineId + 1,  @BasePos = @BasePos + @AddOnLen, @BlankSpaceAdded =  0  END  SELECT @Line = isnull(@Line, N'') +  isnull(SUBSTRING(@SyscomText, @BasePos, @[email protected]+1 ), N'')  if LEN(@Line) < @DefinedLength and charindex(' ',  @SyscomText, @TextLength+1 ) > 0  BEGIN  SELECT @Line = @Line + ' ', @BlankSpaceAdded = 1  END  END  END  END  FETCH NEXT FROM ms_crs_syscom into @SyscomText  END  IF @Line is NOT NULL  INSERT #CommentText VALUES( @LineId, @Line )  select Text from #CommentText order by LineId  CLOSE ms_crs_syscom  DEALLOCATE ms_crs_syscom  DROP TABLE #CommentText  -- -------------------------------------  --结束从sp_helptext提取  -- -------------------------------------  --删除用短横线创建的存储过程并重建原始的存储过程  ROLLBACK TRAN  DROP TABLE #outputEND