📄 unit_mycybuf.pas
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unit Unit_MyCyBuf;
{
2003.10.18.
}
interface
uses
Windows;
type
TBuf=array[0..1024*4-1]of byte;
procedure MyEncyBuf(var MyBufIn: TBuf; const iBufCount: integer;const AddMark:integer);{加密缓冲区}
procedure MyUncyBuf(var MyBufIn: TBuf; const iBufCount: integer;const DecMark: integer);{解密缓冲区}
implementation
procedure MyEncyBuf(var MyBufIn:TBuf;const iBufCount:integer;const AddMark:integer);
var
TempBuf:TBuf;
i:integer;
begin
for i:=iBufCount-1 downto 0 do TempBuf[iBufCount-i-1]:=MyBufIn[i]+AddMark;
for i:=0 to iBufCount-1 do MyBufIn[i]:=TempBuf[i];
end;
procedure MyUncyBuf(var MyBufIn:TBuf;const iBufCount:integer;const DecMark:integer);
var
TempBuf:TBuf;
i:integer;
begin
for i:=iBufCount-1 downto 0 do TempBuf[iBufCount-i-1]:=MyBufIn[i]-DecMark;
for i:=0 to iBufCount-1 do MyBufIn[i]:=TempBuf[i];
end;
end.
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