XOR Checksum Hex Bytes

ErRor — Sun, 16 Mar 2008 20:59:33 GMT

I am not a programmer. Not even close.

I would like to know if anyone can help with Visual Basic to do the following:

I want to take multiple bytes of Hex for example :

Value: 15h in Binary 00010101
Value: 56h in Binary 01010110 and Exclusive Or all preceding bytes
Result ___________01000011

Or, in hexadecimal = 43h

I can do this with the windows calculator by selecting scientific, hex, byte and selecting hex byte then xor then hex byte then xor then hex byte then xor and so on and so on

I will be doing this with up to 72 bytes , I would like to be able to either place one byte per cell in a column and then perform function , or I could just place byte after byte of hex in one cell.

Any suggestions?

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XOR Checksum Hex Bytes