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Код

       enum {
           hello_request(0), client_hello(1), server_hello(2),
           certificate(11), server_key_exchange (12),
           certificate_request(13), server_hello_done(14),
           certificate_verify(15), client_key_exchange(16),
           finished(20), (255)
       } HandshakeType;

    struct {
            HandshakeType msg_type;         /* type of handshake message */
            uint24 length;  /* # bytes in handshake message body */
            select (HandshakeType) {
                case hello_request: HelloRequest;
                case client_hello: ClientHello;
                case server_hello: ServerHello;
                case certificate: Certificate;
                case server_key_exchange: ServerKeyExchange;
                case certificate_request: CertificateRequest;
                case server_hello_done: ServerHelloDone;
                case certificate_verify: CertificateVerify;
                case client_key_exchange: ClientKeyExchange;
                case finished: Finished;
            } body;
    } Handshake;

    struct 
    {
        ProtocolVersion server_version;                    //2 byte
        Random random;                            //32 byte
        SessionID session_id;                        //32 byte
        CipherSuite cipher_suite;                    //2 byte 
        CompressionMethod compression_method;    //1 byte
    } ServerHello;