加密存储过程加上with encryption
create proc sel
(@id int,@name varchar(100))
with encryption
as
insert test (id,name)values(@id,@name)
下面的存贮过程用来解密
create PROCEDURE sp_decrypt(@objectname varchar(50))
AS
begin
set nocount on
--CSDN:j9988 copyright:2004.07.15
--V3.2
--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@tom.com
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 @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 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
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 @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 \'+@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 @status&2=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
go