public static ProtocolVersion Get(int major, int minor) { if (major != 3) { if (major != 254) { throw new TlsFatalAlert(47); } switch (minor) { case 253: return(ProtocolVersion.DTLSv12); case 254: throw new TlsFatalAlert(47); case 255: return(ProtocolVersion.DTLSv10); default: return(ProtocolVersion.GetUnknownVersion(major, minor, "DTLS")); } } else { switch (minor) { case 0: return(ProtocolVersion.SSLv3); case 1: return(ProtocolVersion.TLSv10); case 2: return(ProtocolVersion.TLSv11); case 3: return(ProtocolVersion.TLSv12); default: return(ProtocolVersion.GetUnknownVersion(major, minor, "TLS")); } } }