SqlServer存储过程函数加解密.docx
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SqlServer存储过程函数加解密
SqlServer存储过程函数加解密
存储过程、存储函数的加密:
WITHENCRYPTION
--[if!
supportLineBreakNewLine]-->
--[endif]-->
CREATEproceduredbo.sp_XML_main
@table_namenvarchar(260)='''',
@dirnamenvarchar(20)=''''
WITHENCRYPTION
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)
ifexists(select*fromdbo.sysobjectswhereid=object_id(N''[dbo].[sp_decrypt]'')andOBJECTPROPERTY(id,N''IsProcedure'')=1)
dropprocedure[dbo].[sp_decrypt]
GO
/*--破解函数,过程,触发器,视图.仅限于SQLSERVER2000
--作者:
J9988--Allrightsreserved*/
/*--调用示例
--解密指定存储过程
execsp_decrypt''AppSP_test''
--对所有的存储过程解密
declaretbcursorfor
selectnamefromsysobjectswherextype=''P''andstatus>0andname<>''sp_decrypt''
declare@namesysname
opentb
fetchnextfromtbinto@name
while@@fetch_status=0
begin
print''/*-------存储过程[''+@name+'']-----------*/''
execsp_decrypt@name
fetchnextfromtbinto@name
end
closetb
deallocatetb
--*/
ifexists(select*fromdbo.sysobjectswhereid=object_id(N''[dbo].[SP_DECRYPT]'')andOBJECTPROPERTY(id,N''IsProcedure'')=1)
dropprocedure[dbo].[SP_DECRYPT]
GO
CREATEPROCEDUREsp_decrypt(@objectNamevarchar(50))
AS
begin
setnocounton
--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@
begintran
declare@objectname1varchar(100),@orgvarbinvarbinary(8000)
declare@sql1nvarchar(4000),@sql2varchar(8000),@sql3nvarchar(4000),@sql4nvarchar(4000)
DECLARE@OrigSpText1nvarchar(4000),@OrigSpText2nvarchar(4000),@OrigSpText3nvarchar(4000),@resultspnvarchar(4000)
declare@iint,@statusint,@typevarchar(10),@parentidint
declare@colidint,@nint,@qint,@jint,@kint,@encryptedint,@numberint
select@type=xtype,@parentid=parent_objfromsysobjectswhereid=object_id(@ObjectName)
createtable#temp(numberint,colidint,ctextvarbinary(8000),encryptedint,statusint)
insert#tempSELECTnumber,colid,ctext,encrypted,statusFROMsyscommentsWHEREid=object_id(@objectName)
select@number=max(number)from#temp
set@k=0
while@k<=@number
begin
ifexists(select1fromsyscommentswhereid=object_id(@objectname)andnumber=@k)
begin
if@type=''P''
set@sql1=(casewhen@number>1then''ALTERPROCEDURE''+@objectName+'';''+rtrim(@k)+''WITHENCRYPTIONAS''
else''ALTERPROCEDURE''+@objectName+''WITHENCRYPTIONAS''
end)
if@type=''TR''
begin
declare@parent_objvarchar(255),@tr_parent_xtypevarchar(10)
select@parent_obj=parent_objfromsysobjectswhereid=object_id(@objectName)
select@tr_parent_xtype=xtypefromsysobjectswhereid=@parent_obj
if@tr_parent_xtype=''V''
begin
set@sql1=''ALTERTRIGGER''+@objectname+''ON''+OBJECT_NAME(@parentid)+''WITHENCRYPTIONINSTERDOFINSERTASPRINT1''
end
else
begin
set@sql1=''ALTERTRIGGER''+@objectname+''ON''+OBJECT_NAME(@parentid)+''WITHENCRYPTIONFORINSERTASPRINT1''
end
end
if@type=''FN''or@type=''TF''or@type=''IF''
set@sql1=(case@typewhen''TF''then
''ALTERFUNCTION''+@objectName+''(@achar
(1))returns@btable(avarchar(10))withencryptionasbegininsert@bselect@areturnend''
when''FN''then
''ALTERFUNCTION''+@objectName+''(@achar
(1))returnschar
(1)withencryptionasbeginreturn@aend''
when''IF''then
''ALTERFUNCTION''+@objectName+''(@achar
(1))returnstablewithencryptionasreturnselect@aasa''
end)
if@type=''V''
set@sql1=''ALTERVIEW''+@objectname+''WITHENCRYPTIONASSELECT1asf''
set@q=len(@sql1)
set@sql1=@sql1+REPLICATE(''-'',4000-@q)
select@sql2=REPLICATE(''-'',8000)
set@sql3=''exec(@sql1''
select@colid=max(colid)from#tempwherenumber=@k
set@n=1
while@n<=CEILING(1.0*(@colid-1)/2)andlen(@sQL3)<=3996
begin
set@sql3=@sql3+''+@''
set@n=@n+1
end
set@sql3=@sql3+'')''
execsp_executesql@sql3,N''@sql1nvarchar(4000),@varchar(8000)'',@sql1=@sql1,@=@sql2
end
set@k=@k+1
end
set@k=0
while@k<=@number
begin
ifexists(select1fromsyscommentswhereid=object_id(@objectname)andnumber=@k)
begin
select@colid=max(colid)from#tempwherenumber=@k
set@n=1
while@n<=@colid
begin
select@OrigSpText1=ctext,@encrypted=encrypted,@status=statusFROM#tempWHEREcolid=@nandnumber=@k
SET@OrigSpText3=(SELECTctextFROMsyscommentsWHEREid=object_id(@objectName)andcolid=@nandnumber=@k)
if@n=1
begin
if@type=''P''
SET@OrigSpText2=(casewhen@number>1then''CREATEPROCEDURE''+@objectName+'';''+rtrim(@k)+''WITHENCRYPTIONAS''
else''CREATEPROCEDURE''+@objectName+''WITHENCRYPTIONAS''
end)
if@type=''FN''or@type=''TF''or@type=''IF''
SET@OrigSpText2=(case@typewhen''TF''then
''CREATEFUNCTION''+@objectName+''(@achar
(1))returns@btable(avarchar(10))withencryptionasbegininsert@bselect@areturnend''
when''FN''then
''CREATEFUNCTION''+@objectName+''(@achar
(1))returnschar
(1)withencryptionasbeginreturn@aend''
when''IF''then
''CREATEFUNCTION''+@objectName+''(@achar
(1))returnstablewithencryptionasreturnselect@aasa''
end)
if@type=''TR''
begin
if@tr_parent_xtype=''V''
begin
set@OrigSpText2=''CREATETRIGGER''+@objectname+''ON''+OBJECT_NAME(@parentid)+''WITHENCRYPTIONINSTEADOFINSERTASPRINT1''
end
else
begin
set@OrigSpText2=''CREATETRIGGER''+@objectname+''ON''+OBJECT_NAME(@parentid)+''WITHENCRYPTIONFORINSERTASPRINT1''
end
end
if@type=''V''
set@OrigSpText2=''CREATEVIEW''+@objectname+''WITHENCRYPTIONASSELECT1asf''
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(@OrigSpText1asvarbinary(8000))
set@resultsp=(casewhen@encrypted=1
then@resultsp
elseconvert(nvarchar(4000),casewhen@status&2=2thenuncompress(@orgvarbin)else@orgvarbinend)
end)
print@resultsp
set@n=@n+1
end
end
set@k=@k+1
end
droptable#temp
rollbacktran
end