How to find original values back from the final result output of the sequential Xor procedures?

Question

The problem is that I want to get the original values of B, or the original value of C or A. Here is the code:

    Dim strA As String = "A"
    Dim strB As String = "B"
    Dim strC As String = "C"
    Dim result As Byte = 0

    ' Fetch the byte character code of strings and Xor them all into the result in a sequence.
    result = result Xor AscW(strA)
    result = result Xor AscW(strB)
    result = result Xor AscW(strC)

    ' the final result value is 64

How to do this? Please help me with the correct solution to this problem. If there can be another parameter which when applied with a formula may reveal the original values: "A", "B", "C". Thank you.

Answer 1

If I understand your question correctly, this is simply not possible. There are multiple ways to split result back into strA, strB and strC.

To make it easier to see why, consider addition instead. Suppose you start with A = 5, B = 6 and C = 7. The sum is 18. Now suppose you start with A = 1, B = 1 and C = 16. The sum is still 18. Bottom line: if all you have is "18" there's no way to split it back, because multiple inputs give the same output.