Xray-core/common/antireplay/bloomring.go
yuhan6665 45dc97e2b6
Use shadowsocket's bloomring for shadowsocket's replay protection (#764)
* use shadowsocket's bloomring for shadowsocket's replay protection

* added shadowsockets iv check for tcp socket

* Rename to shadowsockets iv check

* shadowsocks iv check config file

* iv check should proceed after decryption

* use shadowsocket's bloomring for shadowsocket's replay protection

* Chore: format code (#842)

Co-authored-by: Shelikhoo <xiaokangwang@outlook.com>
Co-authored-by: Loyalsoldier <10487845+Loyalsoldier@users.noreply.github.com>
2021-10-22 12:38:40 +08:00

36 lines
607 B
Go

package antireplay
import (
"sync"
ss_bloomring "github.com/v2fly/ss-bloomring"
)
type BloomRing struct {
*ss_bloomring.BloomRing
lock *sync.Mutex
}
func (b BloomRing) Interval() int64 {
return 9999999
}
func (b BloomRing) Check(sum []byte) bool {
b.lock.Lock()
defer b.lock.Unlock()
if b.Test(sum) {
return false
}
b.Add(sum)
return true
}
func NewBloomRing() BloomRing {
const (
DefaultSFCapacity = 1e6
// FalsePositiveRate
DefaultSFFPR = 1e-6
DefaultSFSlot = 10
)
return BloomRing{ss_bloomring.NewBloomRing(DefaultSFSlot, DefaultSFCapacity, DefaultSFFPR), &sync.Mutex{}}
}