Questions tagged [secure-boot]

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“Provision Entity” for an open source approach to remote attestation

I am looking for a Company/Organization, which can be the "Provision Entity" for me. To explain what criteria a provision entity has to fulfil, I draw a picture of the case: I have a open network, ...
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49 views

“Trusted memory” What does it mean?

It is often cited "to load from untrusted memory to a trusted system memory" when describing the secure boot process. I wonder, when can we consider a memory as "trusted"?
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Bypassing Secure Boot in System on Chip

To bypass a secure boot for System on Chip (SoC), some attacks target the phase of copying the bootloader from where it is stored to the main memory. Instead, a malicious code will be copied to the ...
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51 views

Integrity Check on power on VS. Secure boot

Can we consider the Integrity Check on power-on and the secure boot equal from security point of view? Secure boot is about allowing only a trusted SW to boot on the processor. A chain of trust can ...
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1answer
65 views

Is there a reasoning encrypting a GPL binary where I have to publish the sourcecode?

We're a company selling embedded devices. Our devices use u-boot & Linux, both being GPL and therefore we have to release the sourcecode as used to build our binary. We're in the process of ...
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149 views

Why authenticated boot not Secure boot?

Context: Secure boot is one of the important elements of Trusted Computing in computer system. One variety of the Secure boot is authenticated boot. While secure boot prevent the boot of a non trusted ...
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20 views

High Availability Boot processes and only using code-signing certificates

High Availability Boot (HAB) is a technique described here in an NxP application note. This is best summarised as: "HAB authentication is based on public key cryptography using the RSA algorithm in ...
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3answers
148 views

How much of the system is secure boot going to cover?

Background: We're developing for a Debian 9.8 system on an x86, but most of us here are more used to dealing with embedded devices. according to wikipedia, secure boot can "secure the boot process ...
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42 views

Should I Pursue Platform-Ownership?

the context is this introduction in an HP whitepaper. I'm inquiring about "platform-ownership" within the Secure-Boot environment. I'm looking for a simplified summary of platform-ownership. Much of ...
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2answers
186 views

Secure Boot - Verifying applications

I have been reading up on Secure Boot, in particular what it actually checks during the boot process. According to Microsoft the Secure Boot process works as follows: Firmware Boot Components: The ...
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74 views

Secure Boot - Usage of blacklist DB

I have been reading up on the details of Secure Boot, in particular the authorized and forbidden databases: Before enabling UEFI Secure Boot (by setting the PK) the white and black lists DB & ...
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105 views

Secure way to sign virtualbox module for secure boot

I'm not sure if the Virtualbox version from the repository of my Linux distribution is already signed and works right away, but since it's not up-to-date I'm installing Virtualbox from the official ...