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18 lines
358 B
18 lines
358 B
//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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