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update README.md

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This commit is contained in:
wenyifan
2022-09-08 00:12:01 +08:00
parent a983817b8d
commit c2ab6cbe5f
4 changed files with 29 additions and 25 deletions
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16
shadow/tls_util.go
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@ -17,8 +17,12 @@ const (
VersionTLS12 = 0x0303
VersionTLS13 = 0x0304
ServerHello = 2
ClientHello = 1
ServerHello = 2
ClientHello = 1
Certificate = 11
ServerKeyExchange = 12
ServerHelloDone = 14
EncryptedHandshake = 99
)
type TLSHeader struct {
@ -88,12 +92,14 @@ func ParseAndVerifyTLSHeader(data []byte) *TLSHeader {
if header.Type == Handshake {
header.HandshakeType = data[5]
//Check Handshake type
if header.HandshakeType != ServerHello && header.HandshakeType != ClientHello {
return nil
if header.HandshakeType != ServerHello && header.HandshakeType != ClientHello && header.HandshakeType != Certificate && header.HandshakeType != ServerKeyExchange && header.HandshakeType != ServerHelloDone {
header.HandshakeType = EncryptedHandshake
}
}
if header.Type == ChangeCipherSpec {
header.ChangeCipherSpecNext = data[6]
if len(data) > 6 {
header.ChangeCipherSpecNext = data[6]
}
}
return header
}