Copyright@ ♂猜猜♂. 2005. All rights reserved
存储过程、存储函数的加密：WITH ENCRYPTION
CREATE
procedure dbo.sp_XML_main
@table_name
nvarchar(260)='',
@dirname
nvarchar(20)=''
WITH
ENCRYPTION
as
begin
....................................................
end
go
存储过程、存储函数的解密(以下是一位绝世高人编写的代码)
if
exists (select * from dbo.sysobjects where id =
object_id(N'[dbo].[sp_decrypt]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop
procedure [dbo].[sp_decrypt]
GO
/*--破解函数,过程,触发器,视图.仅限于SQLSERVER2000
--作者:J9988--*/
/*--调用示例
--解密指定存储过程
exec sp_decrypt 'AppSP_test'
--对所有的存储过程解密
declare tb cursor for
select name from sysobjects where
xtype='P' and status>0 and name<>'sp_decrypt'
declare @name sysname
open tb
fetch next from tb into @name
while @@fetch_status=0
begin
print '/*-------存储过程 ['+@name+'] -----------*/'
exec sp_decrypt @name
fetch next from tb into @name
end
close tb
deallocate tb
--*/
if
exists (select * from dbo.sysobjects where id =
object_id(N'[dbo].[SP_DECRYPT]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[SP_DECRYPT]
GO
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@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)
@resultsp
set
@n=@n+1
end
end
set
@k=@k+1
end
drop
table #temp
rollback
tran
end
