encryptAll
This simple encryption Function uses Xor encryption and itterative encoding to more securely encrypt a text string. Although the code is not unbreakable, it cannot be broken with a simple key. Itterative encoding ensures that code-cracking techniques, like character frequency study, will not work. It's as easy as could be. Function can be easily modified to encode more than strings.
AI
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كود المصدر
Public Function encryptAll(data As String, seed As Long) As String Dim x As Integer, tmp As String, stepnum As Integer Dim byteArray() As Byte, seedOffset As Integer, n As String tmp = Trim$(Str(seed)) seed = 0 For x = 1 To Len(tmp) n = Mid(tmp, x, 1) seed = seed + CLng(n) Next x reCheckSeed: If seed > 255 Then seed = -1 + (seed - 255) GoTo reCheckSeed End If For x = 1 To Len(data) ReDim Preserve byteArray(x) n = Mid(data, x, 1) byteArray(x) = Asc(n) stepnum = seed + x reCheckstepnum: If stepnum > 255 Then stepnum = -1 + (stepnum - 255) GoTo reCheckstepnum End If byteArray(x) = byteArray(x) Xor CByte(stepnum) Next x tmp = "" For x = 1 To Len(data) tmp = tmp & Chr(byteArray(x)) Next x encryptAll = tmp End Function
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