create PROCEDURE sp_decrypt(@objectname varchar(50))
AS
begin
set nocount on
--CSDN：j9988 copyright:2004.07.15
--V3.2
--破解位元組不受限制，適用於SQLSERVER2000儲存過程，函式，檢視，觸發器
--修正上一版"檢視觸發器"不能正確解密錯誤
--發現有錯，請E_MAIL：[email protected]
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<[email protected]
begin
if exists(select 1 from syscomments where id=object_id(@objectname) and

[email protected])
begin
if @type='P'
set @sql1=(case when @number>1 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

[email protected]_obj
if @tr_parent_xtype='V'
begin
set @sql1='Alter TRIGGER '[email protected]+' ON '+OBJECT_NAME(@parentid)+' WITH ENCRYPTION INSTERD OF Insert AS PRINT 1 '
end
else
begin
set @sql1='Alter TRIGGER '[email protected]+' 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 '[email protected]+' WITH ENCRYPTION AS Select 1 as f'

set @q=len(@sql1)
set @[email protected]+REPLICATE('-',[email protected])
select @sql2=REPLICATE('-',8000)
set @sql3='exec(@sql1'
select @colid=max(colid) from #temp where [email protected]
set @n=1
while @n<=CEILING(1.0*(@colid-1)/2) and len(@sql3)<=3996
begin
set @[email protected]+'[email protected]'
set @[email protected]+1
end
set @[email protected]+')'
exec sp_executesql @sql3,N'@sql1 nvarchar(4000),@ varchar(8000)',@[email protected],@[email protected]

end
set @[email protected]+1
end

set @k=0
while @k<[email protected]
begin

if exists(select 1 from syscomments where id=object_id(@objectname) and [email protected])
begin
select @colid=max(colid) from #temp where [email protected]
set @n=1

while @n<[email protected]
begin
select @OrigSpText1=ctext,@encrypted=encrypted,@status=status FROM #temp Where [email protected] and [email protected]

SET @OrigSpText3=(Select ctext FROM syscomments Where id=object_id(@objectname) and [email protected] and [email protected])
if @n=1
begin
if @type='P'
SET @OrigSpText2=(case when @number>1 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 '[email protected]+' ON '+OBJECT_NAME(@parentid)+' WITH ENCRYPTION INSTEAD OF Insert AS PRINT 1 '
end
else
begin
set @OrigSpText2='Create TRIGGER '[email protected]+' ON '+OBJECT_NAME(@parentid)+' WITH ENCRYPTION FOR Insert AS PRINT 1 '
end

end

if @type='V'
set @OrigSpText2='Create VIEW '[email protected]+' WITH ENCRYPTION AS Select 1 as f'

set @q=4000-len(@OrigSpText2)
set @[email protected]+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 @[email protected]+1
END
set @orgvarbin=cast(@OrigSpText1 as varbinary(8000))
set @resultsp=(case when @encrypted=1
then @resultsp
else convert(nvarchar(4000),case when @status&2=2 then uncompress(@orgvarbin) else @orgvarbin end)
end)
print @resultsp

set @[email protected]+1

end

end
set @[email protected]+1
end

drop table #temp
rollback tran
end

go