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19 lines
358 B
Go
19 lines
358 B
Go
//go:build !amd64
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// +build !amd64
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package kcp
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// xorfwd performs XOR forwards in words, x[i] ^= x[i-4], i from 0 to len
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func xorfwd(x []byte) {
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for i := 4; i < len(x); i++ {
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x[i] ^= x[i-4]
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}
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}
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// xorbkd performs XOR backwords in words, x[i] ^= x[i-4], i from len to 0
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func xorbkd(x []byte) {
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for i := len(x) - 1; i >= 4; i-- {
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x[i] ^= x[i-4]
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}
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}
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