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In cryptography, the simple XOR cipher is a type of additive cipher, an encryption algorithm that operates according to the principles:
where ⊕ {\displaystyle \oplus } denotes the exclusive disjunction operation. This operation is sometimes called modulus 2 addition. With this logic, a string of text can be encrypted by applying the bitwise XOR operator to every character using a given key. To decrypt the output, merely reapplying the XOR function with the key will remove the cipher.
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