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Questions tagged [trusted-computing]

Trusted computing is a technology to enhance security of computer systems. The key component is the Trusted Platform Module (TPM). As a hardware device it provides features that software can't. Trusted computing is developed and promoted by the Trusted Computing Group (TCG).

Trusted Computing is a technology to enhance security of computer systems. The key component is the Trusted Platform Module (TPM). As a hardware device it provides features that software can't. Trusted computing is developed and promoted by the Trusted Computing Group (TCG).

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Use TPM for signing on Windows without taking ownership

I have a follow-up question of sorts to this question: How to encrypt bytes using the TPM (Trusted Platform Module) I am using Windows 10 for an embedded solution. I would like to use the TPM to store signing keys and perform signatures. However, I…
fred_indurain
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TBOOT: DMAR not found

I have also posted this on the tboot-devel@lists.sourceforge.net mailing list, but I descided to post here as well to get more exposure to this issue. I'm trying to get tboot to work, but I'm getting nowhere fast. I've installed tboot…
A. Nilsson
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Documentations for tboot?

Is there any Documentation to understand what tboot does and how tboot works? http://sourceforge.net/projects/tboot/
Geek
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APIs for accessing Intel TXT (trusted execution mode) or AMD SVM?

Do any current operating systems (windows, linux, BSD) provide drivers that enable user-mode programs to execute partly in the trusted execution mode (isolated from everything else running on the computer)? If so, where can the documentation be…
zvrba
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Trusted Computing, iPad, Certifying Unmodified Apps

Since Apple controls the entire hardware/software stack, is it possible to obtain the following (through some type of trusted computing): the hardware certifies that the software is genuine, non-jail broken iOS iOS certifies to my server that the…
user1311390
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How to load and use a persistent symmetric key in the TPM?

I simply want to store one 32 bytes long symmetric key persistently in the NV storage of the TPM and after a power-cycle, use it (without getting it out of the TPM) to encrypt small-sized data. I've tried to do that in two different ways: 1) Create…
Alex
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How to get the Quote from an Intel SGX Enclave

I am developing a trusted computing project with the help of an Intel SGX Enclave. To verify an Enclave i need the Quote generated by the Quoting-Enclave. I know how it works theoretically and how to start an Enclave. But I am not able to find any…
Cookie T
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Running jTSS in Eclipse

I am trying to run the Trusted Computing API JSR321 in Eclipse by following the tutorial provide at Getting Started with JSR321 in Windows 7. After successfully enabling my TPM (manufacturer: STM & version: 1.2). I tried to run the code given in…
Abdur Rahman
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TPM PCR Generation in Windows

I have a machine with TPM and I am running windows 7 on it. I have a piece of code and I want to get run it and get the PCR register values at that time. How can I do that? Secondly, if i run the same code on other machine can I get the same PCR…
Geek
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What is the value of TSS_WELL_KNOWN_SECRET

I want to run a script which calls tpm_sealdata many times and I don't want to enter the SRK password each time. In the man page I found this: -z, --well-known Use TSS_WELL_KNOWN_SECRET (20 zero bytes) as the SRK password. You will not be…
Hayro
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Go lang tpm2 library PCR extend, PCR read inconsistency

I am using the tpm 2 library to write (extend) and read from a PCR. However, I have observed that the values written to the PCR do not match the values read from it after writing. This suggests an inconsistency. Can someone help me with with this…
Avishka Shamendra
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Can Android app on ChromeOS create a KeyPair that is at least SECURITY_LEVEL_TRUSTED_ENVIRONMENT?

I'm trying to find out if creating hardware backed secure keys are possible inside an Android app running on a Chromebook. I'm asking because to my knowledge, all Android apps on ChromeOS runs on some kind of virtualised environment and might not…
Khongor Bayarsaikhan
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Support of Intel's MLE / DRTM in long mode

I am currently working on an x86 operating system that is booted the way similar to tboot. A lot of the logic is copied from tboot. Currently the OS' boot sequence is: BIOS launches the OS using multiboot standard, OS runs in protected mode…
Eric Stdlib
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Should switching between RSASSA-PSS and RSASSA-PKCS1-v1_5 be mindful of other parameters?

I am not sure if I should ask this here or in Security Stackexchange perhaps. In any event, I was recently working on RSA signatures using a TPM and came across an issue where I switched the padding scheme from RSASSA-PKCS1-v1_5 to RSASSA-PSS. I…
Veksi
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file path of each hash in measurements with TPM

I enable the TPM in a ubuntu which is installed in vmware workstation. and then i install tpm2-tools with the following command: sudo apt-get install tpm2-tools then i parse the TPM event log which is in…
capstonene
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