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chore: use fastrand to replace math/rand

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This commit is contained in:
wwqgtxx
2023-03-06 18:10:14 +08:00
parent ad6336231c
commit 6a97ab9ecb
26 changed files with 109 additions and 111 deletions
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11
transport/ssr/obfs/tls1.2_ticket_auth.go
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@ -4,13 +4,14 @@ import (
"bytes"
"crypto/hmac"
"encoding/binary"
"math/rand"
"net"
"strings"
"time"
"github.com/Dreamacro/clash/common/pool"
"github.com/Dreamacro/clash/transport/ssr/tools"
"github.com/zhangyunhao116/fastrand"
)
func init() {
@ -25,7 +26,7 @@ type tls12Ticket struct {
func newTLS12Ticket(b *Base) Obfs {
r := &tls12Ticket{Base: b, authData: &authData{}}
rand.Read(r.clientID[:])
fastrand.Read(r.clientID[:])
return r
}
@ -90,7 +91,7 @@ func (c *tls12TicketConn) Write(b []byte) (int, error) {
buf := pool.GetBuffer()
defer pool.PutBuffer(buf)
for len(b) > 2048 {
size := rand.Intn(4096) + 100
size := fastrand.Intn(4096) + 100
if len(b) < size {
size = len(b)
}
@ -196,7 +197,7 @@ func packSNIData(buf *bytes.Buffer, u string) {
}
func (c *tls12TicketConn) packTicketBuf(buf *bytes.Buffer, u string) {
length := 16 * (rand.Intn(17) + 8)
length := 16 * (fastrand.Intn(17) + 8)
buf.Write([]byte{0, 0x23})
binary.Write(buf, binary.BigEndian, uint16(length))
tools.AppendRandBytes(buf, length)
@ -221,6 +222,6 @@ func (t *tls12Ticket) getHost() string {
host = ""
}
hosts := strings.Split(host, ",")
host = hosts[rand.Intn(len(hosts))]
host = hosts[fastrand.Intn(len(hosts))]
return host
}