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| Teaclave Meetup #3 |
| </h1> <div class="publish-date-author">March 25, 2021 · Mingshen Sun</div></header> <div itemprop="articleBody" class="content__default"><p>In March 25, we gathered in Zoom for the third monthly Teaclave meetup. In this |
| meetup, we're glad to have two speakers talking about some initial progress of |
| Teaclave verification and comparison of public cloud attestation services.</p> <p><img src="/assets/img/teaclave-meetup-3-zoom.46d629fd.jpg" alt="Teaclave Meetup #3"></p> <h2 id="schedule"><a href="#schedule" class="header-anchor">#</a> Schedule</h2> <ul><li>Recent Update of Teaclave, Mingshen (3m)</li> <li>Teaclave Verification, Sean (15m)</li> <li>Comparison of Public Cloud Attestation Services, Mengyuan Li (45 m)</li></ul> <h2 id="teaclave-verification"><a href="#teaclave-verification" class="header-anchor">#</a> Teaclave Verification</h2> <p>In this session, Sean talked introduced the plan of Teaclave verification. |
| The main ideas is to create formal descriptions, specifications, and proofs for |
| some core components of Teaclave.</p> <p>The initial effort on this field is trying to formally describe the access |
| control module in Teaclave. And then prove it with requirements defined in |
| <a href="https://www.commoncriteriaportal.org/files/ccfiles/CCPART2V3.1R5.pdf" rel="noopener noreferrer">Common Criteria for Information Technology Security Evaluation</a>. |
| The security objective of access control module is to prevent unauthorized users |
| from accessing the critical data through tasks and functions. By achieving the |
| security objective, the threats of runtime tasks and functions abuse are |
| eliminated under the assumptions identified in security problem definition. |
| With these objectives, we can find some corresponding requirements in Common |
| Criteria, e.g., FIA_UAU.2 for user authentication before any action.</p> <p>The initial work has been accepted as a separate project in Teaclave. |
| If you are interested in this topic, please see |
| <a href="https://github.com/apache/incubator-teaclave-verification" rel="noopener noreferrer">https://github.com/apache/incubator-teaclave-verification</a> to learn more.</p> <h2 id="comparison-of-public-cloud-attestation-services"><a href="#comparison-of-public-cloud-attestation-services" class="header-anchor">#</a> Comparison of Public Cloud Attestation Services</h2> <p>Then, Mengyuan talked his recent research on attestation, especially, on public |
| cloud attestation services.</p> <p><img src="/assets/img/public-cloud-attestation-services.894d309e.png" alt="Public Cloud Attestation Services"></p> <p>Here the abstract of the talk:</p> <p>Confidential computing is an emerging security feature provided by more and more |
| public cloud service providers (e.g., Amazon AWS, Microsoft Azure, and Google |
| Cloud) in order to help customers protect their sensitive data in the cloud |
| environment. Some popular confidential computing services include Intel Software |
| Guard Extensions (SGX) enclaves and AMD Secure Encrypted Virtualization (SEV) |
| VMs. These services are usually atop different hardware-based Trusted Execution |
| Environments (TEE) technologies.</p> <p>Meanwhile, to help convince the customers the trustworthiness of the platform |
| hardware and the integrity of codes inside the TEE, cloud services providers |
| also offer remote attestation services. In this talk, we will first cover the |
| remote attestation workflow provided by some famous cloud TEE services, |
| including Azure Open Enclave, Nitro Enclave, Google confidential computing VM |
| and Fortanix. From the perspective of customers, we also focus on the |
| attestation reports the customers can get. We then introduce Teaclave's current |
| attestation design and discuss the attestation report standard Teaclave should |
| follow.</p> <p>He also discussed the attestation design of Teaclave.</p> <p><img src="/assets/img/public-cloud-attestation-services-teaclave.8a228054.png" alt="Public Cloud Attestation Services of Teaclave"></p> <p>In the end, he also summarized the roles in the attestation ecosystem and |
| positions of services/products discussed in this talk.</p> <p><img src="/assets/img/public-cloud-attestation-services-summary.38e5d26d.png" alt="Public Cloud Attestation Services Summary"></p> <p>At last, thanks for attending this meetup. I'll continue to drive this meetup |
| and make it a monthly activity for the community. If you want to speak in the |
| next time, please post your proposed topic in the mailing list. I'll help you to |
| schedule the time.</p></div></article></div> <div class="footer"> |
| Apache Teaclave (incubating) is an effort undergoing incubation at The Apache |
| Software Foundation (ASF), sponsored by the Apache Incubator. |
| Incubation is required of all newly accepted projects until a further review |
| indicates that the infrastructure, communications, and decision making process |
| have stabilized in a manner consistent with other successful ASF projects. While |
| incubation status is not necessarily a reflection of the completeness or |
| stability of the code, it does indicate that the project has yet to be fully |
| endorsed by the ASF. |
| Copyright © 2020 The Apache Software Foundation. |
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