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9seconds
2018-07-18 08:53:04 +03:00
parent c1b862c1e9
commit c5f99d17b7
7 changed files with 37 additions and 33 deletions
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wrappers/mtproto_cipher.go
+5 -5
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@@ -41,9 +41,9 @@ func NewMiddleProxyCipher(conn StreamReadWriteCloser,
func deriveKeys(purpose cipherPurpose, req *rpc.NonceRequest, resp *rpc.NonceResponse,
client, remote *net.TCPAddr, secret []byte) ([]byte, []byte) {
message := bytes.Buffer{}
message.Write(resp.Nonce[:])
message.Write(req.Nonce[:])
message.Write(req.CryptoTS[:])
message.Write(resp.Nonce)
message.Write(req.Nonce)
message.Write(req.CryptoTS)
clientIPv4 := emptyIP[:]
serverIPv4 := emptyIP[:]
@@ -70,13 +70,13 @@ func deriveKeys(purpose cipherPurpose, req *rpc.NonceRequest, resp *rpc.NonceRes
binary.LittleEndian.PutUint16(port[:], uint16(remote.Port))
message.Write(port[:])
message.Write(secret)
message.Write(resp.Nonce[:])
message.Write(resp.Nonce)
if client.IP.To4() == nil {
message.Write(client.IP.To16())
message.Write(remote.IP.To16())
}
message.Write(req.Nonce[:])
message.Write(req.Nonce)
data := message.Bytes()
md5sum := md5.Sum(data[1:]) // nolint: gas