sgx discussion forum

For more complete information about compiler optimizations, see our Optimization Notice. Inside an enclave, only "trusted" threads can execute. We and our partners will store and/or access information on your device through the use of cookies and similar technologies, to display personalised ads and content, for ad and content measurement, audience insights and product development. Using a spinlock, you could yourself implement higher-level primitives. These primitives are not trusted since they're eventually served by OS. The untrusted application has to set up the TCS pages. Singapore SGX Stocks Listing with Target Price, Analyst Reports, News & Announcements, Bloggers Review, Discussion Forum @ SGinvestors.io I guess what I'm asking is if anyone has had any luck getting their SGX to work again via some other method. Information about your device and internet connection, including your IP address, Browsing and search activity while using Verizon Media websites and apps. Share your opinion and gain insight from other stock traders and investors. Yahoo is part of Verizon Media. Please respect others view even if they are contrary to you. Investor Basics - Fundamental Analysis Concepts & REIT, [Official] Consolidated list of stock threads, How to Open a Stock Trading account in Singapore-Updated 2015, (*High Risk Investing) CFDS Explained - Beginner's Guide To Contracts For Difference in Singapore, What you should know about applying for IPO shares listed in SGX, 2020 market expectations and positioning - Part 2, Mapletree Logistics Trust *Official* (SGX: M44U), ESR-REIT *Official* (SGX:J91U) Previously Cambridge Industrial Trust, Starhill Global REIT *Official* (SGX: P40U), Should we sell SPH shares or hold for long term, Elite Commercial Real Estate Investment Trust. This is indeed handled by the OS, and susceptible to attacks. sgx_thread_mutex_init() also does not make an OCALL. If a thread is woken up incorrectly before the mutex/condition variable logic dictates it so, that thread will make another OCALL to get suspended again. Recently Released Critical Drivers - Read Only. Recently Released Service Tips - Read Only. 3. Each thread runs until an AEX happens or reaches the end of the thread. By measuring the TCS pages, the integrity of the threads (the TCS defines the allowed entry points) can be verified through enclave attestation. I'm not a fan of this idea. All Latest Brokerages Sign Up Promotions; Rewards; Additional Offers. Forum Housekeeping. At least, there is no SGX instruction for synchronize. There is no "untrusted" threading inside an enclave. Threads that run inside the enclave are created within the (untrusted) application. Thanks for your detailed Information Surenthar.... Surenthar, your are spot on. Looking at the descriptions of the mutex functions, my guess is that the OCALLs serve to implement non-busy waiting outside the enclave. You can change your choices at any time by visiting Your Privacy Controls. Forum members and moderators are responsible for their own posts. In: General Discussion. However, since the mutex data is within the enclave, they can always enforce correctness of locking within the secure enclave. The OS is able to play with scheduling as it wishes. Creating threads inside the enclave is not supported. My question is, are these Thread Synchronization Primitives meant to be used by TCS threads? Each logical processor will have its own TCS and hence its own entry point (the OENTRY field in TCS). OCALLS only serve to implement non-busy waiting outside the enclave. Why not an art piece or display? Find the latest SGX (S68.SI) stock discussions in Yahoo Finance's forum. Rules of Discussion on SGX Nifty. Member's comments should lead to value addition in forum discussion. Singapore forum to discuss local news, trading, stocks, bonds, fx, gold and investments sgx_spin_lock() and unlock operate solely within the enclave (using atomic operations), with no need for OS interaction (no OCALL). How did StarHub Smart WiFi fare when tested? sgx_thread_mutex_lock() and unlock potentially perform OCALLS. Moderators are not employees or representatives of HWZ. So only known-good execution paths can be executed within the enclave. I3investor offers stock market blogs, news, live quotes, price charts, price target, stock forum, watchlist, portfolio tools and more. sgx_spin_lock() and unlock operate solely within the enclave (using atomic operations), with no need for OS interaction (no OCALL). Using a spinlock, you could yourself implement higher-level primitives. Important Forum Advisory Note This forum is moderated by volunteer moderators who will react only to members' feedback on posts. Intel® Software Guard Extensions (Intel® SGX). If so, wouldn't this deteriorate the security? But it can also choose to interrupt a thread running inside an enclave. To enable Verizon Media and our partners to process your personal data select 'I agree', or select 'Manage settings' for more information and to manage your choices. Special Events (7 Items) Lenovo @ CES 2020. This forum is for discussion of financial markets. Produced in partnership with and Sponsored by and Monday, May 6 | 11:00 AM – 5:30 PM a series of fast-paced TEDx-style inspirational talks from aerospace innovators and leaders Built with young professionals in mind, SGx is a full day of open discussion forums that connect the ideas of students and young professionals with the experience … Moderators are not employees or representatives of HWZ. The mutex data … 1. On the Sky Golf forums, I was told to send it back to them and for $90 I would get a refurbished one. ... General Discussion. This forum is moderated by volunteer moderators who will react only to members' feedback on posts. The OS may choose not to wake a thread waiting outside the enclave. The SDK does offer synchronization primitives, which you say are not to be trusted because they are eventually served by the OS. Who says your TVs can only be TVs? EENTER is only guaranteed to perform controlled jumps inside an enclave’s code if the contents of all the TCS pages are measured. If I understand correctly, TCS enables multiple logical processors to enter the same enclave. On the other hand, holding up a thread that was supposed to have been woken up (DoS attack) won't compromise the enclave security properties either.

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