The scope of this thesis is to implement a design that permits the correct implementation of the Device Identifier Composition Engine (DICE) in Keystone. The first three chapters have been used to write the state of the art of the different topics debated. The first one is related to the most important characteristics of DICE, its hardware requirements and the different types of architectures on which it is based on. Each one of this topic has been explained, considering all the different papers associated to DICE. The second chapter talks about the Trusted Execution Environments (TEEs), briefly explains what a TEE is and what its features are.