1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | Public Function SimpleCrypt(ByVal Text As String) As String ' Encrypts/decrypts the passed string using ' a simple ASCII value-swapping algorithm Dim strTempChar As String, i As Integer For i = 1 To Len(Text) If Asc(Mid$(Text, i, 1)) < 128 Then strTempChar = _ CType(Asc(Mid$(Text, i, 1)) + 128, String) ElseIf Asc(Mid$(Text, i, 1)) > 128 Then strTempChar = _ CType(Asc(Mid$(Text, i, 1)) - 128, String) End If Mid$(Text, i, 1) = _ Chr(CType(strTempChar, Integer)) Next i Return Text End Function |
Thursday, July 19, 2012
Encryption
Labels:
code snippet,
vb.net
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