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Articles filed under: SGX

English, F-1 OPT, F-1 Visa, Immigration, Lenovo ThinkPad, Policy, Reverse Engineering, SGX, SIMD, SSH, Security, Side-channel Attacks, Technology, UEFI

On the recent side-channel attacks on Intel SGX

by Jethro Beekman – Mar 1, 2017 . Filed under: English, Technology, Security, SGX, Side-channel Attacks.

Side-channel attacks are my favorite attack in computer security because they poke giant holes in the abstraction and security models that system designers are using. When I hear of a new attack avenue in this space, my first reaction often is “wow, that is so cool” and “I didn’t even think about that.” Continue reading…Comments

Intel has full control over SGX

by Jethro Beekman – Oct 13, 2015 . Filed under: English, Technology, Security, SGX.

Intel has full control over what software you can run in SGX. This might seem redundant: Intel makes the processor, so of course they have full control. Yet the truth is slightly more inconvenient. When Intel processors don’t run the instructions in your standard software (whether incorrectly or at all), that is a defect at best and a breach of contract at worst. Yet the SGX instruction set includes in its specification that Intel has the authority to make this go/no-go decision. Continue reading…Comments

SGX Hardware: A first look

by Jethro Beekman – Oct 8, 2015 – Updated: Dec 9, 2015. Filed under: English, Technology, Security, SGX.

Without much fanfare, Intel has released Software Guard Extensions (SGX) in Skylake. When I say “without much fanfare,” I mean practically only the following paragraph hidden on page 3 of a press fact sheet: Continue reading…Comments