mirror of
https://github.com/amnezia-vpn/amneziawg-go.git
synced 2026-05-17 00:05:50 +03:00
0361c54dca
- fix the bug that transport packet interprets as init/resp/cookie with the same size - cleanup error responses - reduce buffer allocations
39 lines
623 B
Go
39 lines
623 B
Go
package device
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import "strconv"
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func newDataSizeObf(val string) (obf, error) {
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length, err := strconv.Atoi(val)
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if err != nil {
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return nil, err
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}
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return &dataSizeObf{
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length: length,
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}, nil
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}
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type dataSizeObf struct {
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length int
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}
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func (o *dataSizeObf) Obfuscate(dst, src []byte) {
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srcLen := len(src)
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for i := o.length - 1; i >= 0; i-- {
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dst[i] = byte(srcLen & 0xFF)
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srcLen >>= 8
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}
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}
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func (o *dataSizeObf) Deobfuscate(dst, src []byte) bool {
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return true
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}
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func (o *dataSizeObf) ObfuscatedLen(srcLen int) int {
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return o.length
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}
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func (o *dataSizeObf) DeobfuscatedLen(srcLen int) int {
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return 0
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}
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