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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Extract and Trust certificate via command line in windows

I am trying to setup a printer via command line in windows. So far I everything is working well except I don't know of any way to extract .cer from .cat via command line. I could extract it via ...
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135 views

(Setting up SSL) invalid number of arguments in “ssl_certificate” directive in /etc/nginx/nginx.conf

I am trying to setup SSL on my server. I purchased my SSL certificate from Comodo. I am following the tutorial they have made here: https://support.comodo.com/index.php?/Default/Knowledgebase/Article/...
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62 views

“Copy to File…” button is disabled in certificate dialog

In the certificate details dialog, the button to save it is disabled. Why is that? I remember it working before. What I did was: open a new window of IE (best to close all others first) to visit a ...
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73 views

Browser (any) on Windows 7 loads bad (localhost) https certificate

On Windows 7 in Chrome, but also in any other browser, for one particular (external) website a bad HTTPS certificate is loaded. When I open the certificate it says that Windows does not have enough ...
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329 views

Edge “security certificate is not secure” since bash installation

Description I am running Windows 10 Insider - Build 14316. I managed to reproduce the issue by reverting the update and try it again to see exactly when the problem occurs. So, I activated Ubuntu On ...
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29 views

Nylas N1 ignore self signed cert

I am trying to use the N1 mail client at my school. However, when I try to connect, I get the error "self signed certificate in certificate chain" I know the cert is self signed, how do I make N1 ...
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2answers
68 views

Apache certificate chain is not being sent

Good day! I've searched google high and low. Goodness, I've never gone past page 2 of search results before! But this one stumps me. I've got a website that I am securing with a certificate signed ...
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1answer
477 views

Where are certificate private keys stored in Windows 7?

Using the certmgr.msc utility, I can access the windows cert store, but I still can't figure out where Windows stores the private keys. For example for a given certificate, Windows tells me that ...
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16 views

Why might Windows EFS not list a certificate from Trusted People?

I have an encrypted file. I've added a public-key-only certificate (exported from another computer that had the private) to all of the following: Local Computer\Personal\Certificates Local Computer\...
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1answer
168 views

After upgrading to Mac OS X 10.11.4, I start seeing reports that certificates are invalid

I upgraded from Mac OS X 10.11.3 to 10.11.4 this week. After that, I found that, if I open some software e.g. Xcode simulator download page, or HMA client (a VPN Client), it reports some info: invalid ...
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27 views

Apache on Windows using CA Certificates

I have been issued by our CA a new cert and have the CA cert and my key that I used during the CSR for generation. I've never setup SSL in apache before and more or less copying from other examples ...
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129 views

Java out of box cacerts certificate are SHA1 is there one with SHA2

Java/JDK/JRE they have a keystore cacerts under lib\Security folder as shown below Java comes with around 93 certificates out of box, These are not self-signed these are supplied by java itself ...
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62 views

Can I connect to freenode via SSL on Pidgin/Windows?

When I set up an IRC account on the irc.freenode.net server and select "Use SSL" under the advanced tab, I get an "SSL Handshake Failed" error. I found a guide for setting up an SSL freenode ...
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1answer
1k views

How to make Firefox ignore all SSL certification errors?

I'm on a private network with a lot of restrictions and monitorings. Every HTTPS connection results in SSL certification errors (maybe those people use "man-in-the-middle" approach to decrypt the ...
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1answer
97 views

Mac OSX 10.11.1 can't negotiate TLS1.2 cipher suite with IIS 8.5

I am diagnosing a Mac running OSX 10.11.1 which cannot connect with an Exchange 2013 server (on Win 2012R2 w/IIS 8.5). I enabled TLS 1.1 and 1.2 via registry keys on the Exchange server, but when the ...
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113 views

Adding additional SSL certificate to be recognized in Cygwin

I have a server setup that has an HTTPS certificate issued by a major certificate provider (DigiCert). The certificate is recognized by all of the browsers on a machine running Windows Server 2008 R2, ...
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1answer
166 views

SSL certificate: incorrect order

I have SSL EV certificate for https://goout.cz. According to this test we are getting A+: https://www.ssllabs.com/ssltest/analyze.html?viaform=on&d=goout.cz However I get warning for "Incorrect ...
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1answer
61 views

Using signed certificates with shellinabox

I currently have a web server running Apache. This server hosts a website (foo.com), and is configured to use a signed RSA certificate for https connections. The Apache configuration for the site ...
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72 views

Why can't signtool find certificate in machine store?

We have a code signing certificate that is working in TeamCity builds using the following command: signtool sign /a /v /sm /s my /n "NAME_ISSUED_TO" /d "DESCRIPTION" FILENAME Unfortunately the ...
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1answer
223 views

Git GUI on Windows not working with self-signed SSL certificates - gives errors (fatal: SSL certificate)

I'm using git GUI on Windows 7. I need to clone the repository and simply want to just use it. However, when cloning, pulling, pushing to/from repo with self-signed certificate, I'm getting this ...
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2answers
51 views

How can I renew my certificate authority signing key?

I am a noob considering certificate authorities. I followed this article a while ago to setup my own certificate authority and with its help setup my own freelan VPN network: https://github.com/...
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42 views

Digitally sign latex pdf document with CA

I would like to know, if it is possible to digitally invisible sign a pdf created by latex automatically after each time I create the document (I'm using Texnic Center) or after I created the ...
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1answer
165 views

How to Import *.p7s certificate chain into keystore?

I've used this commands to create my csr keytool -genkey -alias server -keyalg RSA -keysize 2048 -keystore domain.jks -dname "CN=*.domain.com,OU=Software Development, O=Company Name, L=Asuncion, ST=...
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76 views

Creating a certificate chain via Openssl tool

I've been trying to create a certificate chain, something of the sort CA -> Intermediate CA -> Client certificates. I used the following to generate CA cert :- openssl genrsa -out ca.key 2048 -des3 ...
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55 views

Backed-up EFS certificate doesn't work after resetting password

I'm on a Windows Vista computer. I've wanted to use EFS for a little while but I wanted to experiment on some individual files first. While doing that, I backed up my certificate and key, reset my ...
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5answers
115 views

Is a self signed SSL certificate less secure?

I'm using a self signed SSL certificate on the homepage for our prom. I know almost everybody who uses this website personally, so I can assure them that the certificate is trustworthy, even though ...
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23 views

How do I override the Mac Mail “invalid certificate warning”

I have 2 mailservers set up on the same IP address (one for me, which we'll call foo.com, one for a project I'm involved with, lets say bar.com). It's a standard Dovecot & Postfix stack, both with ...
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4answers
207 views

Untrusted certificate with Internet Explorer 11

I get "untrusted certificate" errors when opening all https sites in IE 11. I added sites to trusted sites, adjusted date and time, reset IE setting, installed sites' certificates (by click on view ...
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2answers
658 views

Managing LetsEncrypt Certificate expiration and auto-renewals

I've been experimenting with LetsEncrypt SSL certificates and managed to get certificates set up and installed on Windows for use with IIS using the ACMESharp Powershell library. The process to do ...
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1answer
82 views

Firefox doesn't ask me for a certificate when visiting a site that needs one

I use Firefox 44.0.2 on a Linux Xubuntu system. I'm trying to access a company website that requires a certificate. I can confirm I have the correct certificate in Preferences->Advanced->Certificates-...
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2answers
28 views

Can a wildcard CN in an SSL certificate be more specific

Can the common name for a wild-carded SSL certificate be more specific than simply "*"? e.g.: in the case of a firewall with multiple interfaces and similar names assigned to those interfaces: pix-...
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1answer
269 views

Excel 2016 Macros - Windows/Mac Issue

I'm using Excel 2016 (Desktop - not online) and I've created a worbook with a Macro that I've signed using a self-signed certificate. I've set the 'trust center' settings on Windows so it will only ...
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1answer
421 views

How to set the Owner of certificate generated by Let's Encrypt?

I've implemented Let's Encrypt on two production servers with relative ease, and both servers are providing certificates to the websites we run on those servers. What's bugging me though is when you ...
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114 views

SSL self-signed certificate on client side

When I create a SSL self-signed certificate. If I don't add the .crt on the client side, the browser (Chrome/Firefox) seems to download implicitly the .crt. Is it possible to prevent this ? If I ...
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11 views

Recovery after losing the master key - how to make OpenVPN accept clients signed by different certificates

Due to unfortunate circumstances, I lost my master signing OpenVPN keys. However I still have the public part of the key as well as all the client certificates. This means the system is usable and ...
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43 views

What is this certificate?

I am running Windows 10. When I open certlm, I see the following: What is this '[not avaliable]' certificate? Is it just the Disallowed List of certificates and if so, why is it a certificate in ...
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21 views

how to solve confusion mac address due to USB Ethernet on system

I am using a packet analysis solution program that licensing certification based on Mac address. When I insert USB Ethernet card, licensing certification often breaks off. So.. I think that the ...
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1answer
238 views

When using Kaspersky Anti-Virus Personal Root Certificate, can you view the website's certificate?

Use of Kaspersky Anti-Virus Personal Root Certificate with Firefox is discussed in this post, Which CA issued certificate for https://www.google.com. My question is (other than for google.com) is it ...
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103 views

Chrome HSTS Error: ERR_CERT_AUTHORITY_INVALID

I am using a self-signed certificate on my openmediavault setup. On Firefox, there is an option to add an exception to that, but on Chrome it complains with the error code: ERR_CERT_AUTHORITY_INVALID ...
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2answers
54 views

apache SSL configuration using trusted certificates

It's my first time I'm dealing with SSL, I'd like to know, if I got this right or not. I create selfsigned Client-Certificates with a self created CA my-own-CA.crt. When I buy a Server-Certificate of ...
1
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1answer
123 views

Identify the required (missing) certificate that's causing a Java app to fail

I'm using Intellij IDEA 15, a Java-based IDE. It allows me to click on a link in any open-source Java class in my project and download the source and documentation from the internet. However, this ...
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1answer
113 views

SSL certificate invalid Chrome / IE

I Have found these steps to add SSL self attested certificate in chrome for sites having invalid SSL certificate. I have have added exactly as mentioned but still when I reopen the site I have the ...
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1answer
64 views

Determine reason for X.509 certifcate revocation?

I'm trying to connect to Human Rights Watch. The page is not loading and the browser is not giving me much information. The browser states "Peer's Certificate has been revoked. (Error code: ...
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2answers
174 views

How can I read the Windows Product Key from a partially rubbed-off sticker?

I know all about Magic Jellybean Keyfinder and other solutions to find the key from within Windows. These are not what I'm after because the key they found is the OEM key, and I am trying to reinstall ...
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0answers
233 views

Mac OS X “Verify Certificate” every time connecting to secure wireless

Every time connecting to the secure wireless, Macs are getting a prompt to verify the certificate: Verify Certificate Authenticating to network "Network-Name" Before authenticating to ...
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1answer
126 views

How can I automatically import a certificate to a Windows GPO?

I'm looking for a way to import a root certificate into a specific active directory group policy object. I've tried certutil -dspublish but that would only publish it to a global AD store. How can I ...
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57 views

Self-signed root CA certificate on OSX does not authenticate own-signed certificates

I have a Vault server configured with TLS running on a vault.dev machine. The certificate for vault.dev is signed by a self-signed root CA. I have two client machines: Debian and OSX, both separate ...
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1answer
37 views

If I remove a CA from Firefox, will it be back after an update?

If I remove a Certificate Authority from the Firefox GUI, then is it permanently removed? Or all will be back after the next Firefox update?
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27 views

win server 2012 r2 - change existing certificats private key to NOT exportable

I set up my own PKI. everything is working fine until the point that I realize that my subCAs certificate has an exportable private key. My rootCA is a debian machine and the subCA is a win server ...
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1answer
75 views

Why do I need a certificate to create my own other self-signed certificate

In the last few days I was trying to understand the story of certificates, and I understood the main principle of them, but I didn't understand that step when we create a CA cert to sign my own server ...