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SqlServer存储过程/函数加/解密
存储过程、存储函数的加密：WITH ENCRYPTION
<!--[if !supportLineBreakNewLine]-->
<!--[endif]-->
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
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-- All rights reserved*/
/*--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
--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(UNICO [1] [2] 下一页
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