Public key certificate - also digital certificate or identity certificate. A document that contains information about a user's or machine's identity, matched up with its public key, and is validated and cryptographically signed by a certificate authority. Certificates are intended to provide a ...

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SSL certificate error attempting to download Homebrew?

I've been trying to download and install Homebrew for my Mac (OS 10.9.4) using the install script on the home page, but the download fails with a SSL certificate error (see log below). I understand ...
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138 views

Chrome won't trust DigiCert SSL. I have to trust it manually.

I have been having this problem for a while. I have found this thread which exactly my problem but it didn't solve my problem. Why won't OS X trust GitHub's SSL certificate? I also tried ...
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47 views

Force java to accept self signed certificates

OK, I know about the excepction list, but adding individual URLs to the exception filter is not the way I want to proceed. I already have click-to-run enabled, therefore if I want to run a java ...
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129 views

Change Windows 7 RDP host certificate expiration date

My Windows 7 desktop computer uses a self-signed certificate to identify its RDP host. So to prevent a man-in-the-middle attack, I have to manually verify the thumbprint the first time my RDP client ...
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2k views

Why does https://gmail.com/ produce no SSL error while using a bad certificate?

It looks like https://gmail.com uses an SSL certificate which is for the hostname mail.google.com. As the SSL certificate hostname does not match the browser URL, why does this work? I should get a ...
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607 views

IE/Chrome add permanent SSL certificate exception?

How can I add a permanent SSL certificate exception for certain websites? These sites have certificates signed by some root CA which I do not want to trust. When I tried to manually install the ...
5
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2answers
486 views

Netflix SSL certificate shows up when trying to visit https://www.google.com

I'm on a hotel Wi-Fi network where occasionally the following message shows up in Chrome when trying to visit any Google sites over HTTPS: The SSL certificate reported when this happens is This ...
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3answers
727 views

HTTPS certificates invalid on Safari, Chrome on specific user account

Safari and Chrome report invalid certificates on certain HTTPS sites (for example GitHub and Bitbucket). Firefox strangely shows a green valid certificate. I've created a new OS X user and everything ...
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56 views

Server Certificates Missing in IIS

On my Windows Server 2012 R2 box, when I connect to it through Remote Desktop, I'm trying to setup a server certificate but in IIS, in the "IIS" group, there is no Server Certificates feature. I ...
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1answer
47 views

Adding cert to trusted certs

I'm trying to access a web service from a certain website. Since this is a service I can't just click somewhere "go to this site anyway". I just get an endpoint exception in my code. I downloaded ...
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41 views

Windows keeps restoring DigitCert root certificates

I issued a SSL certificate trought DigiCert which we know is globally recognized and its Trusted Roots should be by default in Windows installations. However on one of my client's machine there was ...
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2answers
68 views

Is Firefox using its own isolated Certificate STore

I am using the latest Firefox. However, my campus uses their own certificate for all internet browsing and asks us to install their certificate as Root CA. Since, i don't trust them with my ...
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1answer
79 views

How to install a mmc certificate on Windows?

I am not familiar with Windows very much, and I have trouble installing a MMC certificate. I am following this description to use MMC to create a certificate, but I cannot complete the step labeled ' ...
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16 views

Cant install certificate to Intermediate Certification Authorities?

I navigate to MCC and add the Certificates snap-in. From here I right click on Intermediate Certification Authorities > All Tasks and click import I then browse to my Certifcate select it and complete ...
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1answer
49 views

Is it possible to get someone's code signing certificate revoked?

I recently had to clean up someone's computer because they were tricked into installing a bunch of things without their knowledge. The horrible thing about it was that the installer was signed with a ...
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2answers
407 views

How can I export private key from a certificate chain?

I create a keystore and from that keysore I generate a CSR file and when I receive Signed Certificate from CA, I imported root and intermediate certificates to my keystore and finally my signed ...
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2answers
196 views

Generate a public key certificate signed by CA with OpenSSL

I am working on a webservice that requires a signature in the sent and received messages. After sending a certificate request to the entity that will consume the webservice, they sent me (in addition ...
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2answers
62 views

How to build a certifcate chain for ServerHello

I've been trying to put together a certificate chain. I have the private key (privatekey.pem) and CSR (csr.pem) that I submitted to the Certificate Authority/CA. I took the CA's certificate and put ...
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1answer
302 views

Is it possible to merge my certificate (.crt) with my private key to export as a Base-64 encoded X.509 (.CER)

I am very clueless when it comes to certificates/security and the like so please excuse my ignorance. I purchased a certificate and it was sent to me. I generated the CSR using the java keytool. I ...
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108 views

Windows 7 IPsec IKEv2 EAP-TLS error

I have set-up Strongswan on a Ubuntu 14.04 server from the official package repo with IKEv2 and rightauth=eap-tls using our PKI infrastructure. I can connect just fine from Android and Linux but not ...
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435 views

OpenSSL, Converting CRT to PEM

I've been trying to use openssl to convert a .crt certificate to a .pem openssl.exe x509 -in server.crt -out openssl.pem -inform der -outform pem After using that command, I get unable to load ...
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1answer
529 views

I keep getting a “secure connection with this site cannot be verified” prompt even after I click no

Everyone once in a while, seems like every time I wake my computer from sleep, I get the following prompt: I have said no several times already, but it keeps coming back. When I click view ...
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1answer
3k views

How to properly install certificate issued to me?

I tried various ways to install certificate, but it seems it either not being seen by linux or something else is wrong. I got .pfx to be able to connect to another server via vpn (need to use Cisco ...
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99 views

Outlook 2013: Multiple accounts, sign only mails from one account

I have two email accounts (Exchange) configured in Outlook. For one I have a S/MIME certificate configured which always signs the mails I send from this account. Problem now is that Outlook also ...
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2answers
1k views

Outlook shows certificate security warning in local LAN although certificate is only associated to IIS

I have the following configuration with Exchange Server 2010: I have a self-signed certificate which is associated with all the services (POP, SMTP etc..) except IIS (which is associated with a ...
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1answer
105 views

Linux Mint won't allow me to import a .p12 signing certificate

I have a .p12 certificate that was issued to me by my university. I have been able to install it on OSX just fine, but I need to use it for Cisco Anyconnect in Linux Mint 17. When I double click it, ...
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65 views

(Chrome on) Windows 8 complains certificate not yet valid

Chrome on Windows 8 complains that a server certificate is not yet valid. Chrome on Linux does not complain though, and Firefox on the same Windows 8 machine does not complain either. The certificate ...
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2answers
4k views

Why Firefox alert me about HTTPs “Untrusted” Connection on Positivessl - Comodo certificate?

For my new startUp I got a SSL certificate from Comodo.com. I did all the painful process and finally I was able to implement it on my AWS server (I'm running MEAN Stack). Now when someone visit my ...
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759 views

How to install SSL certificate in the Trusted Root Certification Authorities Store?

Apologies in advance, I do not have an IT background and have never done this before, yet I am being asked to figure this out and to do so as soon as possible. Our organization is trying to update ...
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70 views

Windows 8 can not connect RemoteApp on W2K12 RDS, but Windows 7 can connect. Why?

Windows 8 can not connect RemoteApp (W2K12 RDS), but Windows 7 can connect. Why? External and internal DNS name is different, the public Cert is mapped to RD Web Access and a RD GateWay Role. The ...
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1answer
146 views

Imported cert into firefox/chrome, still warning

I generated a wildcard certificate for multiple (wildcard) domains (SANS, alternate domain names + IP) (see https://blog.flowl.info). I imported the certificate into Firefox, Chrome and Windows ...
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32 views

Location of Outlook certificate warning setting

My hosting provider misconfigured their email server using a self-signed certificate that had CA=TRUE set. Only way I was able to retrieve business emails for a few days was to tell Outlook to accept ...
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1answer
28 views

MMC - Certificates Snap-In

When I go on a particular server (Win2k8 R2) and add the Certificate snap-in I get prompted to select which account (my user, service or computer) will manage the snap-in. I have used this snap-in ...
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42 views

How can I verify on download that a site's SSL cert is for a host I trust?

Generally I want to be able to make an HTTPS connection to a site, and while negotiating the SSL check that: The cert is in every way valid for the host listed on the cert (unexpired, signed by ...
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1answer
99 views

Not getting prompted for certificate in IE8

I am unable to connect to a local intranet server using IE8. This server issues an unsigned certificate. When using IE8, it returns "Internet Explorer cannot display the webpage" instead of "there ...
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1answer
75 views

What's the quickest way on a Windows machine to look at the detail of a p12 certificate?

Given P12 certificate file on Windows, what's the quickest way to see the details such as common name? Say i have a file mycertificate.p12, ideally I'm looking for a command line tool that I can run ...
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1answer
79 views

Microsoft Word Digital Signature Error: We can't read the signature please contact your help desk

I create and sign my document in Word 2013 but sometimes when I open the document and check the signature I get the error message: We can't read the signature. Please contact your help desk. In the ...
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92 views

Java keyTool - append primary/secondary intermediate certificates to key store

I have already created a keystore (server.jks in the image) having imported the relevant key-pair. keytool -importkeystore -srckeystore server.p12 -destkeystore server.jks -srcstoretype pkcs12 I ...
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1answer
9k views

Identifying program attempting to install certificate on windows

I'm trying to help a friend using Windows (which I'm not an expert on by any means) who's experiencing malware-like behavior: a dialog box is repeatedly popping up reading: You are about to ...
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1answer
5k views

Why 'This Connection is Untrusted' for practically every site on Mozilla Firefox?

This started a couple of months ago and pops up for just about every site, including Google, Macy's, DSW, Outlook.com, etc. These are all regularly visited sites so there should be no problem. There ...
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68 views

How to manage and delete EFS certificate properly?

I've done my best to make this question as short and as precise as possible INTRODUCTION: After configuring EFS service trough group policy to encrypt my testing files I exported the ...
0
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1answer
104 views

How can I update a clean install of Acrobat Professional 8.0.0 to the latest version?

When I do a clean install of Acrobat Pro 8.0.0 on my system and attempt to check for updates from the help menu I get an error about "unable to check for updates for Adobe Updater". Adobe provides ...
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1answer
109 views

How to install a certificate automatically

I would like to know how to generate a certificate and make it to be imported automatically to all main browser (chrome, firefox, ie etc...). Should I upload this certificate to a public CA or ...
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1answer
48 views

Windows - service account default certificate store

I am writing a web app that connects to external web services. The external web services serve an intermediate certificate signed by Thawte SGC CA - G2. When I setup IIS to run the web app using ...
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2answers
60 views

Searching for digital certificate on hard drive and reusing it

Years ago I had to use a digital certificate for access to some web based application at college. It was provided by the "laboratory" where we used it. Presently it so happened that I will need to use ...
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38 views

Is there a way to quickly disable all root certificates in Windows 7?

I'd like to temporarily disable all trusted root certificates and wondering if there is a quicker way than going through every single one of them, right-click Properties and selecting "Disable all ...
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118 views

Pip SSL certificates fail with sudo but not in su

When I pip install, I can download the package, but I have a failure in writing to files that are only accessible with privileged access. This is expected behavior. When I sudo pip install, I have an ...
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2answers
69 views

Is it normal for a hosting service to require that I buy a public IPv4 for using my own $25 certificate?

Self explanatory title, I guess. I'd love to have my website in https only, but they (the web hosting service) claim in the administration that I need to buy a public IPv4 address from them before ...
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1answer
58 views

Microsoft CA Certificate Request

I am new to MS CA and I have recently installed a MS CA setup on a VM. I used the web service provided "http://test.server.name.tld/certsrv" to request a certificate. I approved my test certificate ...
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1answer
66 views

Same certificate for encryption for different To:-addresses

When I write a mail and click on encrypt in message options, how can I tell outlook to use the same certificate when writing to two different mail addresses of the same person? In my case, the ...