create procedure sp_decrypt(@objectname varchar(50)) as begin begin tran declare @objectname1 varchar(100),@orgvarbin varbinary(8000) declare @sql1 nvarchar(4000),@sql2 nvarchar(4000),@sql3 nvarchar(4000),@sql4 nvarchar(4000),@sql5 nvarcha
create procedure sp_decrypt(@objectname varchar(50)) 
as 
begin 
begin tran 
declare @objectname1 varchar(100),@orgvarbin varbinary(8000) 
declare @sql1 nvarchar(4000),@sql2 nvarchar(4000),@sql3 nvarchar(4000),@sql4 nvarchar(4000),@sql5 nvarchar(4000),@sql6 nvarchar(4000),@sql7 nvarchar(4000),@sql8 nvarchar(4000),@sql9 nvarchar(4000),@sql10 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
begin 
if exists(select 1 from syscomments where id=object_id(@objectname) and number=@k) 
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' 
set @sql1='alter trigger '+@objectname+' on '+object_name(@parentid)+' with encryption for insert as print 1 '
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 '
set @q=len(@sql1) 
set @sql1=@sql1+replicate('-',4000-@q) 
select @sql2=replicate('-',4000),@sql3=replicate('-',4000),@sql4=replicate('-',4000),@sql5=replicate('-',4000),@sql6=replicate('-',4000),@sql7=replicate('-',4000),@sql8=replicate('-',4000),@sql9=replicate('-',4000),@sql10=replicate('-',4000) 
exec(@sql1+@sql2+@sql3+@sql4+@sql5+@sql6+@sql7+@sql8+@sql9+@sql10) 
end 
set @k=@k+1 
end
set @k=0 
while @k
begin
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
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 @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'--刚才有错改一下 
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' 
set @origsptext2='create trigger '+@objectname+' on '+object_name(@parentid)+' with encryption for insert as print 1 '
if @type='v' 
set @origsptext2='create view '+@objectname+' with encryption as select 1 '
set @q=4000-len(@origsptext2) 
set @origsptext2=@origsptext2+replicate('-',@q) 
end 
else 
begin 
set @origsptext2=replicate('-', 4000) 
end 
--start counter 
set @i=1 
--fill temporary variable
set @resultsp = replicate(n'a', (datalength(@origsptext1) / 2))
--loop 
while @i
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 @status&2=2 then uncompress(@orgvarbin) else @orgvarbin end) 
end) 
print @resultsp 
--execute( @resultsp) 
set @n=@n+1
end
end 
set @k=@k+1 
end
drop table #temp 
rollback tran 
end 
go
exec sp_decrypt 'jobs_add'