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Questions tagged [intel-sgx]

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3
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1answer
283 views

Could Intel SGX be dangerous under Linux?

Question Background This morning, by accident I have found, that there is basically a backdoor in a dormant state in my Dell laptop: Computrace, which comes from Absolute Software - link to their Web,...
0
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0answers
40 views

What is the difference between SGX and TPM? [duplicate]

What is the difference between Intel Guard Extensions (SGX) and Trusted Module Platform (TPM)? This answer tells you what the similarities are and what the features are, but not explicitly what the ...
1
vote
1answer
54 views

Does SGX provide a significant benefit for desktop operating systems?

I have been looking into SGX (Intel's Software Guard Extension) for the last few days. It sounds like a very useful technology with some significant security advantages for many pieces of software. ...
0
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0answers
22 views

What are the security implications of not using Intel SGX's launch token?

I am currently experimenting with Intel SGX and didn't really understand what the security implications of not using the launch token would be and would appreciate to better understand the rationale ...
1
vote
1answer
340 views

How to generate ec256 private public key in hex format

Could someone tell me how to generate key pair like this in hex format: This is from SampleCode/RemoteAttestation/service_provider/service_provider.cpp from the repository: https://github.com/intel/...
2
votes
1answer
434 views

Intel SGX - Remote attestation

I am currently reading up on Intel's SGX, especially the remote attestation part. I am having a questions regarding this topic. Let us consider the following protocol: Enclave A and B do remote ...
12
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1answer
2k views

How does Meltdown/Spectre impact Intel SGX?

I've been reading about Meltdown and Spectre today, and I'm wondering if they impact Intel SGX enclaves. Now, my understanding of Meltdown is somewhat hazy, but AFAICT it does not impact secure ...
9
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1answer
2k views

What are the functional similarities and differences between TPM and SGX in trusted computing?

I know about the TPM (Trusted Platform Module). In recent years, more researchers start to develop on Intel SGX, which I do not have any experience with. They are both crypto chips, but what are ...
2
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1answer
303 views

Putting secrets into enclave

How a client machine could put secrets into the sgx enabled server protecting from man in the middle considering server os as malicious and also I read somewhere on internet that you should not create ...
2
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1answer
137 views

Reverse engineering sgx executable

Could it be possible to reverse engineer an intel sgx application executable to get any meaning text? If yes, how it is secure if a adversary say a system admin could see the details of it?
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0answers
92 views

How does Intel SGX protect itself from being simulated?

I'm trying to understand how secure Intel SGX actually is. According to Intel: Note that developers cannot rely on a measurement supplied by system software; as noted earlier, software can always ...
4
votes
1answer
459 views

What are the concerns, or drawbacks, regarding Intel's SGX when it comes to privacy?

I was in a workshop about privacy recently and at some point, a passionate debate started about Intel's Software Guard Extensions (SGX). Although I have a security background (Master in Information ...
4
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1answer
2k views

Do fTPM implementations protect against physical attacks?

I see that there is an increasing number of PCs shipped with firmware based TPM (fTPM), e.g. the Intel NUC. As far as I understand, these solutions practically emulate a TPM chip using the CPUs ...
1
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1answer
278 views

Intel SGX and enclaves - how secured is it?

so i've started to read about this technology, and i have few questions i don't quite understand: i understand that anyone can create enclaves, and they should be trusted because they are signed by a ...
2
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0answers
105 views

Using SGX for connection establishing

I'm quite new to SGX and still trying to figure out the possibilities it provides. Currently I have two applications (A1, A2) running on a server. Both have their own enclaves created and the two ...
4
votes
2answers
689 views

Does Intel or Arm support private key memory?

I know some security processors have an isolated bus where you can store a private key and use it with hardware encryption without the key ever being stored in memory. Some even have key storage ...
6
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2answers
516 views

Freshness for SGX enclaves

Future Intel processors will support SGX (Software Guard Extensions), which allows running security-critical software on your processor in a way that is isolated from all the other code. The hardware ...