Proposal of Piccolo-CMAC for Sigfox network

We propose a CMAC using Lightweight Blockcipher Piccolo for a well-known LPWA: Sigfox network. Increasing numbers of a device link to the Internet with LPWA, However these devices does not have adequate resources. Our proposal would be an effective security measure for limited resource IoT devices with Sigfox network. Piccolo-CMAC is implemented by employing Piccolo-80 to encrypt message without using extra resources.