does anyone have a C implementation of xor(bytea,bytea)?
i need to xor aggregate the results of a digest.
an xor operator for bytea would be great too, but i'd be happy with
just the function.
i've searched and found past posts about xor'ing text, or bit <->
bytea casting. it seemed the general developer attitude was that xor
operators for bytea might be appropriate, but i haven't found a
materialization of that.
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