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eTPM: A Trusted Cloud Platform Enclave TPM Scheme Based on Intel SGX Technology.

Haonan Sun1, Rongyu He2, Yong Zhang3

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Summary
This summary is machine-generated.

This study introduces the enclave Trusted Platform Module (eTPM) to secure cloud computing. The novel eTPM, using Intel SGX, enhances trusted cloud security by protecting virtual machines at runtime.

Keywords:
eTPMintel sgxmemory protectiontrusted clouduser-specific

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Area of Science:

  • Computer Science
  • Cybersecurity
  • Cloud Computing

Background:

  • Cloud computing adoption presents security challenges like data breaches and tampering.
  • Trusted computing, specifically Trusted Platform Modules (TPMs), is crucial for cloud security.
  • Existing virtual TPM (vTPM) solutions lack runtime protection for the TPM itself.

Purpose of the Study:

  • To propose a novel security component, the enclave TPM (eTPM), for trusted cloud platforms.
  • To enhance the security of the eTPM using Intel Software Guard Extensions (SGX).
  • To ensure runtime security and protect the integrity of virtual machines (VMs) within the cloud environment.

Main Methods:

  • Designed and implemented a new trusted cloud platform security component: enclave TPM (eTPM).
  • Utilized Intel SGX to create secure enclaves for running the eTPM software component.
  • Developed a prototype to demonstrate the eTPM's functionality and security.

Main Results:

  • The eTPM effectively emulates TPM functions within a secure enclave.
  • The proposed scheme ensures the runtime security of the eTPM itself.
  • Experiments validated the effectiveness, security, and availability of the eTPM for protecting VM integrity.

Conclusions:

  • The eTPM offers a robust solution for enhancing trusted cloud security.
  • Employing Intel SGX provides essential runtime protection for critical security components.
  • The eTPM scheme successfully addresses the limitations of existing vTPM solutions in cloud environments.