Certificate authorities verify the owner information of certificates by signing them.

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CSR signing follow up question

This is a follow up question , after getting a signed certificate from one CA. researched a lot , but no luck. After getting the CA reply, While downloading the certificate, it popped up saying ...
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1answer
78 views

How does driver install with an expired cert?

I'm working on making a silent installer of WinpkFilter driver. In my silent installation, I'm always getting a (not so silent) prompt that says "Windows can't verify the publisher of this driver ...
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87 views

Self signed certificates and SBS 2008

I have been researching certificates for the past few days and one of the things I don't understand is how certificates created by SBS (Small Business Server from Microsoft) are validated when trying ...
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1answer
61 views

What is the purpose of the CA-BUNDLE on a webserver?

So I purchase a certificate from DigiCert. The process goes like this: Generate private key and CSR on web server. Submit CSR to DigiCert. Get a signed certificate back as well as their root ...
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54 views

Self-signed certificates, CA and stacking

I have a server running a number of virtual hosts. I have setup as a "self-CA" and then created and signed certs for each of the virtual hosts. In running the SSL labs testing, it always complains ...
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2answers
69 views

How do certificates work in protecting against a man-in-the-middle attack? [duplicate]

As I understand it, if Alice and Bob wants to communicate securely, they must first agree on the protocols that will be used. Then they must confirm that they are indeed communicating with each other. ...
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2answers
83 views

Installing and updating a CA certificate on a client

I am trying to implement a system where a client can download application packages from a server to install/update them on the client. I suppose that the client is something like a platform on an ...
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0answers
53 views

Can't get my SSL CA to work with Apache

So I have an SSL enabled website running on Apache2. https://eamorr.com (I get a warning in my browser, as expected) I have a config file for this website at: ...
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1answer
1k views

Should the thumbprint be SHA2 in addition to the Signature Hash Algorithm?

I'm looking at a Windows PKI and see that the Thumbprint is SHA1, while the Signature is SHA2 (SHA256). Is this an acceptable configuration? Should I recommend that the client update to SHA2 for a ...
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52 views

Is ADCS overkill just to replace self-signed certs?

Several of our internal applications are either not using SSL certificates, or are using self-signed certificates. I wanted to utilize ADCS to create a trusted, internal-only root CA that our browsers ...
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24 views

Client side ssl auth by signing with server key [duplicate]

So I followed this for setting up client ssl certs using openssl: http://drumcoder.co.uk/blog/2011/oct/19/client-side-certificates-web-apps/ It basically walks through creating a new CA key, and then ...
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2answers
85 views

How are “Certificate Signing” key usage certificates restricted to what domains they can sign?

Many big websites use their own intermediate signing certificates to generate SSL certificates for their domains. The intermediate certificates are issued by the usual root CAs but have a "Certificate ...
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What certificate attributes can I check to verify if an issuer is correct?

Apologies if this is a duplicate question. I thought I saw this discussed earlier but couldn't find the thread when searching. What attribute can I check to verify if I have the correct ...
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2answers
347 views

Problem with OpenSSL rejecting CA possibly due to 12 digit Serial No

I work as a tester at a VoIP software company. We've been running into a problem with using TLS to communicate with certain phones. The phones are from different manufacturers but both exhibit the ...
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0answers
97 views

Problems implementing Authority Information Access in a certificate

I am implementing SSL certificates for internal use in an application. Due to the nature of this app, I'm basically implementing my own CA. I have created a self-signed cert for the CA to issue ...
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1answer
104 views

Hacked Router Faking a Certificate Authority

Does a typical computer begin with any shared secret with a certificate authority when I buy it? If not, a compromised home router could fake everything and get my credit card info when I attempt to ...
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0answers
48 views

How to gather/verify certificate data with limited information (Issuer, Serial, CN)

I asked this question in the "programming" section, Here. However it may be a simple answer for someone familiar with the security of certificates. The basic premise is I have a large table with ...
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0answers
88 views

MS Certificate Services, SCEP and Domain Credentials

I'm reading about Simple Certificate Enrollment Protocol (SCEP)2 vulnerabilities from CSS's The Use of the Simple Certificate Enrollment Protocol (SCEP) and Untrusted Devices. The paper discusses a ...
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0answers
54 views

Changing the string format of Burp generated certificates

The certificate verification in a piece of software I'm poking uses UTF-8 encoded strings to verify the certificate's host name. Certificates generated by Burp suite, however, use the custom type ...
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1answer
89 views

Will the recently found OpenSSL vulnerability Heartbleed affect my public site for which I obtained an SSL certificate from a CA? [duplicate]

I had generated the CSR with OpenSSL. Do I need to regenerate a new CSR with no vulnerability due to OpenSSL in order to obtain a new certificate from a CA?
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1answer
566 views

Trusted Certificate Authorities - how do they work?

microsoft.com for example can use a Verisign Certificate for their domain. What are the chances that an attacker could ask verisign for a m1crosoft.com domain and get approved? It is very simillar, ...
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1answer
195 views

SSL Auth to proxy using Certificate on Client-side

The question may need to be reworded. The server-side is set up with Squid3 acting as an Authenticating proxy by way of LDAP. I did this for testing purposes to make sure everything was working. I ...
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2answers
182 views

Installing self-made cert as trusted CA on windows?

I'm looking into using mitm-proxy, but part of the process of filtering/snooping SSL is that you must generate and install a root cert as a trusted CA, so that mitm-proxy can generate and throw out ...
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1answer
146 views

Who can view my https browsing habbits? [closed]

I was wondering about HTTPS security and how easily is compromised. I have already read the similar threads in here, but I have some more questions: Let's say I am searching something at Google. ...
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2answers
491 views

Request/Creating a Code Signing Certificate

I have need for a code signing certificate which is trusted by a CA in the windows domain. How do I request/create this certificate? Do I have to request a code signing certificate on the ...
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1answer
130 views

Android phone (Kitkat) list A LOTS of CA under setting->security->Trusted credential,

My Android phone (Kitkat) list a LOTS of CA under setting->security->Trusted credential, does it mean that anyone who has accessed to anyone of those private keys of those CA(s) can monitor or do "Man ...
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4answers
380 views

Is TLS-in-TLS supported in any software? Does it make sense? [closed]

I got fun idea how to increase the security of the SSL (TLS) for websites. However I think there is no support for it in the browsers, so I thought I could add it eventually, but have no idea if it's ...