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00 01 00 00 53 74 61 6E 64 61 72 64 20 4A 65 74
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const
titlestr:array[0..15] of byte=
($00,$01,$00,$00,$53,$74,$61,$6E,$64,$61,$72,$64,$20,$4A,$65,$74) ;//¶ÔÓ¦MDBÎļþµÄÇ°16¸ö×Ö½Ú
titlestr2:array[0..15] of byte=
($48,$4A,$00,$58,$55,$43,$48,$41,$4E,$47,$59,$4F,$55,$00,$20,$20) ;//¸ü¸ÄºóµÄMDBÎļþµÄÇ°16¸ö×Ö½Ú£¬×Ô¼ºËæ±ãд°É£¬±ÈÈçдÉÏ×Ô¼º¹«Ë¾µÄ¼ò³Æ»ò×ÔÒѵÄÃû
produce EncrypMDB(filename:string); //ÓÃtitlestr2ÄÚÈÝÌæ»»MDBÇ°16¸ö×Ö½Ú£¬ÒÔ±ãʵÏÖ¼ÓÃܵÄ×÷ÓÃ
var F:TFileStream;
begin
if not fileExists(filename) then exit;
F:=TFileStream.create(filename,fmopenwrite);
try
F.seek($00,sofromBeginning);
F.Write(titlestr2,16);
finally
F.free;
end;
end;
produce uncrypMDB(filename:string); //»¹ÔMDBÇ°16¸ö×Ö½Ú
var F:TFileStream;
begin
if not fileExists(filename) then exit;
F:=TFileStream.create(filename,fmopenwrite);
try
F.seek($00,sofromBeginning);
 
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