原创作者:tvzml  

一直以来想给密码加密，现成的加密代码为一些简单的密码，如 就一个 1 ，加密以后的密文也很简单，很容易被猜出来，苦思冥想之后，巧妙的使用了一种随机差异加密，可以使用加密后的结果千变万化，而且加密以后的长度也是比较简洁，可以达到事半功倍的效果，你花1倍功力打乱规律，破解者可能要花10倍的功力是分析规律，想通过密文反推密码难度很大，以下代码是经过1次打乱的代码：

第1次运行

第2次运行

code----------------------------

#include <String.au3>
#include <Array.au3>
Local $String = "123 ABC 中国"
Local $Hex16 = __R16Encode($String)
MsgBox(4096, "R16加密", "加密前: " & $String & @LF & "加密后: " & $Hex16)
Local $String = __R16Decode($Hex16)
MsgBox(4096, "R16加密", "解密前: " & $Hex16 & @LF & "解密后: " & $String)
Exit
Func __R16Encode($STR = '')
    Dim $Y16[16] = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F']
    Dim $R16[16] = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F']
    Dim $R16_D, $R16STR, $Hex, $ii, $STR_Tmp_Dat, $STR_Tmp
    For $i = 0 To UBound($R16) - 1
        $R16_D = Random($i, UBound($R16) - 1, 1)
        _ArraySwap($R16[$i], $R16[$R16_D])
    Next
    $R16STR = StringReplace(_ArrayToString($R16), '|', '')
    $Hex = _StringToHex($STR)
    Dim $Str_Len = StringLen($Hex)
    For $i = 1 To $Str_Len
        Dim $editstr = StringMid($Hex, $i, 1)
        For $ii = 0 To 15
            $STR_Tmp = StringReplace($editstr, $Y16[$ii], $R16[$ii])
            If @extended = 1 Then ExitLoop
        Next
        $STR_Tmp_Dat &= $STR_Tmp
    Next
    If $STR_Tmp_Dat <> "" Then $STR_Tmp_Dat = StringRight($R16STR, 8) & $STR_Tmp_Dat & StringLeft($R16STR, 8)
    Return $STR_Tmp_Dat
EndFunc   ;==>__R16Encode

Func __R16Decode($STR = '')
    If StringLen($STR) < 17 Then Return ""
    Dim $Y16[16] = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F']
    Dim $R16_CODE_L = StringRight($STR, 8)
    Dim $R16_CODE_R = StringLeft($STR, 8)
    Dim $R16_CODE = $R16_CODE_L & $R16_CODE_R
    Dim $R16 = StringSplit($R16_CODE, '')
    _ArrayDelete($R16, 0)
    Dim $Hex, $ii, $STR_Tmp_Dat, $STR_Tmp
    $Hex = StringTrimLeft($STR, 8)
    $Hex = StringTrimRight($Hex, 8)
    Dim $Str_Len = StringLen($Hex)
    For $i = 1 To $Str_Len
        Dim $editstr = StringMid($Hex, $i, 1)
        For $ii = 0 To 15
            $STR_Tmp = StringReplace($editstr, $R16[$ii], $Y16[$ii])
            If @extended = 1 Then ExitLoop
        Next
        $STR_Tmp_Dat &= $STR_Tmp
    Next
    $Hex = _HexToString($STR_Tmp_Dat)
    Return $Hex
EndFunc   ;==>__R16Decode```
    



		 

		 
	 
		

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