Questions tagged [trust]

A description of a state of benevolence that exists between two or more parties. A measurement of the confidence in a benign outcome of a transaction involving two or more parties.

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Hardware roots of trust nowadays

I find that names and terms used in relation to Trusted (Trustworthy, Confidential,..) Computing are highly interchanged and thus creating confusion for laymen as am I. Trusted Computing has been ...
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What is the difference betwen a Trusted Computing Base and a Root of Trust?

What is the difference betwen a Trusted Computing Base (TCB) and a Root of Trust (RoT)? Can both terms be used interchangeably? A TCB is defined by the NIST as follows: Totality of protection ...
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How secure is to authorize a website to “trust your device”?

A bank has a form of 2FA where, after you put in your username and password, they send a code via SMS to your mobile phone and you have to put that too. On the screen asking for the SMS code, there ...
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Can a client prove to a third party that they sent a message to another client in a P2P network?

Let's say Alice sends a message to Bob in their P2P chat app asking him to complete some work. Bob is lazy, so he deletes the message off his machine, does not complete the work, and just claims that ...
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Chrome extensions: tool to notify users of ownership change (to avoid malicious code injection)?

A problem with Chrome extensions was raised in an earlier question: extension owners can sell their extension to another owner, who can then insert malicious code. From a user's perspective, they may ...
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What to do when you simply cannot trust anyone anymore? [closed]

I need a CSS crusher and it must be made in PHP or be a very trusted stand-alone CLI application. The only thing I can find is this: https://github.com/peteboere/css-crush It's not been updated in ...
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251 views

What really is the difference between firmware TPM and a discreet one and should it be trusted more?

What really is the difference between a physical TPM and any implementation of a fTPM? I get that both adhere to the same specification and in my mind should be the same thing, but then, I don't ...
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Practical ways to tell if a Chrome extension is safe? [duplicate]

After reading about Emails a browser extension developer gets from scammers (and the comments here) I understand that there are people who try to convince good addon developers to introduce shady (or ...
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Are reproducible builds practically possible on major app stores?

'Reproducible builds' ensure that a published app matches the published open source code. This answer gives some great information on it. But numerous sources1,2 indicate reproducible builds are very ...
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Can I trust opera browser free VPN?

When traffic leaves the VPN, the operator of the VPN server can see the websites I'm accessing. Opera browser has a free VPN. Can I trust this VPN? https://www.opera.com/features/free-vpn
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Is `gpg --refresh-keys` secure and where is this documented?

From the gpg manual: --refresh-keys Request updates from a keyserver for keys that already exist on the local keyring. This is useful for updating a key with the latest signatures, user IDs, etc. ...
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Academic/Campus WiFi Security - Setup: Open

At CERN the WiFi used, is not using any encryption. This means that it is a plain, standard Wi-Fi network with no authentication. However, it is mandatory to register each device when first connecting ...
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71 views

who should create a CSR, the developer or system management? [closed]

I am developing an internal web application. I think it would be a good idea to secure the local web server with an https certificate. I read several postings recommending certificates on local ...
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In what ways can you trust a third party server with your data? [closed]

What can you do that will make it easier for you to trust a third-party server? For example, using Intel sgx enclaves.
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how end certificate refers to intermediate certificate

As far as i know certificate chain is accomplished based on the issuer's CA name. It is possible that the algorithm to create certificate chain first reads end-certificate's issuer area and get the ...
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209 views

Validity, Owner Trust, Trust Signatures & Certification Level

Two questions on signatures. I am trying to understand the various types of "trust signature". The man page says, "For more information please read the sections “Trust Signature” and “...
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Zero Knowledge Proof of ownership of an email address

Let's say that we want to develop a blogging service where only people with an @example.com email can contribute. Prior to post submission, the user requests that a large random token be generated by ...
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102 views

In an Arm TrustZone based Trusted Application (TA), how can a remote party tie an output to a particular TA?

I've been looking at the following figure which shows, with Arm TrustZone architecture, resources of a system can be divided into a Rich Execution Environment (REE) and a Trusted Execution Environment ...
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1answer
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Is uncompromisable obfuscated x86-64 execution possible?

I have a problem which has several layers; Provide a distributed computing plane where actors can voluntarily add and remove computing resources from, the actors are untrusted by default, and thus ...
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How to bootstrap trust in an on-premise environment?

As part of moving from few on-premise monoliths to multiple on-premise microservices, I'm trying to improve the situation where database passwords and other credentials are stored in configuration ...
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Generating trusted random numbers for a group?

Alice and Bob need to share some cryptographically-secure random numbers. Alice does not trust Bob, and Bob does not trust Alice. Clearly, if Alice generates some numbers, and hands them to Bob, Bob ...
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3answers
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Password checking process for common websites

This will seem like a very basic question, but I wanted to make sure I don't miss something. When you enter your password in a login page and you press enter, what exactly happens right after until ...
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Risk of specific changes to the “Trusted” security zone

Our EDI VAN provides software to transmit sensitive customer and business data between our ERP and their website. This software requires that I add several URLs (including one plain HTTP) to the "...
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“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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Why, with such insanely powerful computers, are no efforts to speak of spent on security? [closed]

The only technology "news" I ever hear about go on about "performance this" and "performance that". I haven't felt that my computer was "slow" since the 1990s. 20 years ago. Yet this is the only thing ...
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Google approach to device security (BeyondCorp): managed devices and inference engine

I'm reading the BeyondCorp papers and trying to get a very high level idea of how it could be implemented by a small to medium organisation, rather than a behemoth like Google. What kind of software ...
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Possible public/private identity recovery after compromise without a centeral authority?

I’ve been thinking about P2P systems using asymmetric keys and wondering if there is anyway to recover an identity in the event it was compromised using some kind of web-of-trust. This seems to be a ...
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Proving authenticity of data accessed over TLS by an untrusted third party

Is there any way an untrusted third party who has access to content from a website over HTTPS can prove the authenticity of the data (i.e. that it was distributed by a server in possession of a ...
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How does a GPG Keyserver deal with conflicting signatures?

Part of the web of trust of GPG is the use of Keyservers to publish/distribute versions of public keys. It's encouraged of course to sign public keys you trust so the the web may grow. How does a ...
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1answer
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How trustworthy is KMSpico? [closed]

KMSpico is a very common tool to crack Windows. It is considered malware by many malware/virus detection programs. Even so, it is very popular as far as I've seen. Download links I found: https://...
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Understanding how clients handle incomplete certificate chains

How do clients (browser for example) handle a missing intermediate certificate? In the following answer it is explained that they download certificates or use cached certificates: https://security....
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1answer
312 views

Difference between Trust and Federation

In the context of Identity and Access Management, is my understanding that Trust is between directory services and Federation is between IdP servers correct? I have also come across terms that are ...
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Can developers stop their software from being flagged as malicious by AV products?

This may not be the correct community for this question, I apologize if that's the case. Scenario: A software development company has created a collection of small desktop applications. They have ...
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How can we avoid the Facebook SDK? General: Trusted forge for Android apps?

I know that privacy is dead etc, but I saw a presentation (Link: https://www.youtube.com/watch?v=OTt1AVRQyx0 )about developers of Android apps using the Facebook SDK for whatever reason in their ...
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why use a CA-signed key pair to encrypt SAML2 assertions?

I have a customer who insists upon using only certificate-authority signed key-pair certificates for encrypting SAML2 assertions. In this use case, I hold the private key in my Service Provider, and ...
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Can I blindly trust 127.0.0.1?

On my system (Ubuntu Server 18.04, if that matters) I have two servers. They are behind a Nginx reverse proxy (i.e. accessing service.mywebsite.com internaly proxies the request to 127.0.0.1:...
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How can I re-use my password and still protect the password if it is exposed from one source?

I know that all servers should at least store my credentials as hash(password + salt) + salt, with a secure and well known hash function and a salt unique for me, generated from a secure and well ...
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How to Trust a Self-Signed Certificate

According to Why are self signed certificates not trusted and is there a way to make them trusted?, to trust a self-signed certificate we need to import the root certificate into the trust store of ...
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What are the differences of checking a self-signed certificate vs ignore it?

I'm doing an integration with a system that has a self-signed certificate. For initial development, we choose to ignore the certificate checking to bypass some errors: Exception in thread "main" ...
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343 views

TLS: Clarification on trust in the certificate trust chain

Suppose I have the following trust chain in my trust store: ROOT_CERT | |---INTERMEDIATE_CERT_1 | |---INTERMEDIATE_CERT_2 I know that any certificate that is signed by INTERMEDIATE_CERT_2 ...
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Consequences of trusting a PC from my iPhone

I just trusted my work PC (Windows 10) from my iPhone. I connected the phone via USB to charge it. I didn't open my iPhone 6 files from the PC. I didn't view any pictures and I unplugged it pretty ...
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How can I trust a GPG key when I download it based on the fingerprint contained in the file I want to verify?

The instructions at https://tutorials.ubuntu.com/tutorial/tutorial-how-to-verify-ubuntu#3 suggest that you can download an ISO for installing an OS, along with the checksums and a signature. You then ...
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1answer
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SSO level of trust external identity providers

I'm wondering how much I should trust our clients and their SSO implementations. We have an identity provider set up for @our-domain.com and most users of that domain have a lot of rights in our ...
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Is it safe to enable - Trust Access to the VBA object model - Microsoft Office

I am trying to run a VBS script which calls a macro and won't run unless I click "Trust Access to the VBA object model" in Microsoft Office Trust Center. I forget where I read it but I thought I read ...
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224 views

Is the zero trust approach really so safe? [closed]

Recently, I see so many emerging vendors that are advertising their use of zero-trust. What potential risks are we exposed to if we shift to zero-trust in our bank?
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How to sign a text in a way, so it can not be altered or split in parts unacknowledged

Given, I want to create a document (text-only for the sake of this question) and give it to someone I do not trust. I am not allowed to publish it myself. It's probably not going to be published (...
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How can I ensure that I can trust to OS?

How can I ensure that some OS can be trusted? I'm not speaking about possible security problems which can happen everywhere but about something like a backdoor left by a developer. Can such a thing ...
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482 views

Ken Thompson's compiler hack

I have gone through Ken Thompson's compiler hack paper; can't we just go through the compiler's source code and check for any backdoor, what was the article's point? Can we be sure that there are no ...
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Could someone recommend me a citable definition of honest but curious/semi-trusted?

As far as I know honest but curious or also called semi-trusted means that a client follows protocol but will try to learn as much information as possible, without actively “cheating”. Does anyone ...
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Can my machine be compromised if I use an outdated application and the input data is trusted?

Suppose I decide to use an outdated application for some reason: maybe I can't update it for compatibility reasons, or updates are not provided in the official repositories I use, or maybe I just don'...

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