frostfs-node/pkg/util/salt.go

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package util
// SaltXOR xors bits of data with salt
// repeating salt if necessary.
func SaltXOR(data, salt []byte) (result []byte) {
result = make([]byte, len(data))
ls := len(salt)
if ls == 0 {
copy(result, data)
return
}
for i := range result {
result[i] = data[i] ^ salt[i%ls]
}
return
}