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ID: 4
Viewed: 3070
Added: Nov 21, 2001
Snippet uploaded by: snippet
Written By: Unknown
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Below is binary encryption, thus it can be used to encrypt any file. Also, since it's Xor encryption, this method will both encrypt and decrypt files. example: to save a file that has junk in it. looks greek.

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Sub Encrypt(ByVal sName As String)
Dim b() As Byte
Dim nb() As Byte
n = FileLen(sName)
ReDim b(n - 1)
ReDim nb(n - 1)
Open sName For Binary Access Read As #1
Get #1, , b()
Close #1
Kill sName
For i = LBound(b) To UBound(b)
nb(i) = b(i) Xor 33
Next i

Open sName For Binary Access Write As #1
Put #1, , nb()
Close #1
End Sub

' Usage:
' Encrypt "C:MyFile.txt";

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