mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-11-30 12:31:29 +00:00
18 lines
340 B
Go
18 lines
340 B
Go
// +build !amd64
|
|
|
|
package kcp
|
|
|
|
// xorfwd performs XOR forwards in words, x[i] ^= x[i-4], i from 0 to len
|
|
func xorfwd(x []byte) {
|
|
for i := 4; i < len(x); i++ {
|
|
x[i] ^= x[i-4]
|
|
}
|
|
}
|
|
|
|
// xorbkd performs XOR backwords in words, x[i] ^= x[i-4], i from len to 0
|
|
func xorbkd(x []byte) {
|
|
for i := len(x) - 1; i >= 4; i-- {
|
|
x[i] ^= x[i-4]
|
|
}
|
|
}
|