Merge pull request #39 from Kinetic/features/crc32-crc32c

// the protocol version number by building this message

// and then reading the value.

message Local {

	optional string protocolVersion = 1 [default = "3.0.6"];

	optional string protocolVersion = 1 [default = "3.0.7"];

}

// THe message is an authorization and command bytes.

		SHA1 = 1; // see NIST

		SHA2 = 2; // see NIST

		SHA3 = 3; // see NIST. The length of the tag determined the length of the hash

		CRC32 = 4; // the CRC32 is the standard Ethernet CRC32. See IEEE

		CRC64 = 5; // The CRC is ...

		CRC32C = 4;

		CRC64 = 5;

		CRC32 = 6;

		// 7-99 are reserved.

		// 100-inf are private algorithms.

	}