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.docx

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SqlServer存储过程函数加解密.docx

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

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