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// Copyright © 2020 rsiddharth <s@ricketyspace.net>
// SPDX-License-Identifier: ISC
package lib
// Both 'a' and 'b' must be hex encoded string.
func FixedXOR(a, b string) string {
cs := ""
if len(a) != len(b) {
return cs
}
ab := []byte(a)
bb := []byte(b)
for i := 0; i < len(ab); i++ {
p := HexCharToDec(ab[i])
q := HexCharToDec(bb[i])
r := DecToHexChar(p ^ q)
cs += string(r)
}
return cs
}
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