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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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: ...
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119 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
236 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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89 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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8 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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40 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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16 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
168 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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75 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
48 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 ...
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1answer
73 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
98 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
57 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
100 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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109 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
76 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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45 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
30 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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25 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
71 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 ...
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1answer
808 views

Importing .PEM certificates on Windows 7 on the command line

I need to import a PEM certificate on a massive number of freshly installed Windows 7 Enterprise machines. Normally, I would do it through MMC → Certificates (Local Computer) snap-in → Trusted Root ...
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38 views

no certificate found in safari

I have a problem where our certificate is not visible (I'll get to more details after explaining the problem), in Safari. I get it working on Chrome and Firefox. The OS I am using for testing is OS X ...
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1answer
25 views

Remove Key Password with OpenSSL

This is something I've wanted to do for a while now. There wasn't a question already for it so I'm putting one in. How do you remove a password from a .key file using OpenSSL.
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117 views

Openconnect certificate validation with NetworkManager

On my Cinnamon (linux) desktop, I have setup an openconnect VPN connection in NetworkManager. When connecting, I don't seem to have any issues: the connection is established and network traffic is ...
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1answer
889 views

Firefox 43.0.1 says google.com uses invalid certificate and does not allow to add exceptions

I assume Firefox developers did something wrong with last release (43.0.1) since I get this error after installing updates: This Connection is Untrusted You have asked Firefox to connect ...
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42 views

IE Certificate Revocation

One of my users has been getting a certificate error after logging into Outlook.com through Internet Explorer. I've already disabled the two revocation checks in internet options but it's still ...
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17 views

Is there anyway to parse an OBJECT type from a certificate with opeanssl asn1parse?

let's see this sample code: $ openssl asn1parse -in mysterious_file.pem ... 78:d=5 hl=2 l= 3 prim: OBJECT :organizationalUnitName 83:d=5 hl=2 l= 8 prim: PRINTABLESTRING ...
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2answers
29 views

Where is the revoke.asc file once I've created it from the command line?

Where is the revoke.asc file once I've created it from the command line? I've looked in the root of my home directory: C:\Users\Me and cannot find it. I've searched *.asc - no luck. If I run gpg ...
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1answer
116 views

Where is the “Advanced” button relating to this Firefox security error?

https://blog.mozilla.org/security/2016/01/06/man-in-the-middle-interfering-with-increased-security/ How to tell if you’re affected If you can access this article in Firefox, you’re fine. If ...
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1answer
216 views

How to export certificate in pfx format?

I am running Windows 10. I have install a certificate to my computer. I see that in my MMC. But when I try to export a pfx file for that certificate. That option is disable. I was able to ...
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176 views

“-2146893807 NTE_NOT_FOUND” when repair certificate store

I try to repair my certificate store in Windows 10 by doing C:\WINDOWS\system32>certutil -store -user my ‎330000019dba8d5dddb98062a900000000019d my "Personal" CertUtil: -store command FAILED: ...
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1answer
44 views

Adding keys to Secure Boot database on an HP Pavilion 14-ab057ca

I am trying to add a custom key in Secure Boot database. Don't tell me "Activate Setup Mode", " Change the PK", "Add a KEK" or anything, I know how to do it. The problem is: I can't switch my machine ...
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1answer
24 views

Generating machine TLS certificates in software

I am working with a distributed software solution where machines may communicate over the internet. Automatically for sensitive data this means you have to encrypt the traffic. Using a public tool ...
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58 views

Could not retrieve 'System.Collections.Hashtable.AutomationCertificateName' certificate asset on azure

I import "Connect-Azure" workflow from Import runbooks from the Gallery which is below. workflow Connect-Azure { Param ( [Parameter(Mandatory=$true)] [String] $AzureConnectionName ...
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1answer
55 views

What is the correct terminology for an “official” SSL certificate?

What is the correct terminology or wording for an SSL certificate that you have bought from a certified provider (e.g. GoDaddy or something) and has been signed by a root certificate authority? For ...
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1answer
33 views

Which reason in GPG for revoking key should I choose?

I want to generate revocation certificate for my GPG key, print it out and keep securely in closed envelope up till I'll loose access to this key (accidental removal/pen drive loss/theft). Which ...
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1answer
100 views

Problem in creating multi level certificate chain using OpenSSL

I am creating three level of certificates,viz, Root->A->B . A is signed by root and B is signed by A . The certificates are generated using OpenSSL command line utility for windows. The certificates ...
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1answer
38 views

Monitoring traffic of phone through charles proxy?

I am using Charles proxy to monitor https traffic for which we have to import a certificate in the phone. Is there any way that my phone (Motorola Moto E2 with CyanogenMod 12.1) treats the certificate ...
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2answers
231 views

OSX 10.6.8 - SSL failure in Chrome due to cert authority missing

I'm at my parents house for the holiday period, and they've just revealed to me they've been getting this error every time they visit their banks website in Chrome (ERR_CERT_AUTHORITY_INVALID) They ...
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0answers
77 views

How to Create X.509 certificate compatible to AWS IoT?

I am trying to create a self signed X.509 certificate to use in AWS IoT. If I am correct, it is not different from a normal OpenSSL certificate, but the PEM file which AWS creates for me is something ...
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0answers
15 views

Extract a key without a certificate from the NSS db

I got stuck with a private key only in my NSS database, without a corresponding certificate. pk12util, which I normally use when I need to export things from the db, refuses to export the key without ...
0
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1answer
63 views

SSL: Can't convert DER to PEM

I'm working with ssl certificates and trying to convert myCA.cer to myCA.pem... $ openssl x509 -in myCA.crt -inform der -outform pem -out myCA.cer.pem unable to load certificate ...
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41 views

How to enumerate and list the details of all certificates held by service accounts on local machine

On my Windows 7 Pro system, I can launch certmgr.msc to view the certificates that are under my user account. To view the certificates that are under the computer account, I will have to do something ...
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1answer
538 views

PHP CURL SSL CA cert (path? access rights?)

Curl through php is constantly complaining about Problem with the SSL CA cert (path? access rights?). This all happend after trying to fix another problem with curl ssl with pem cert chain not ...
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0answers
34 views

Importing/Deleting certificate in pkcs12 keystore using openssl

I have a pkcs12 keystore (keystore.p12). I am about to update an expired public key in it. So I have to delete the expired key first and import new certificate. But I could not find a proper way to ...
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89 views

How can I view the certificate for a connection blocked because of HSTS?

I'm trying to open a website in Firefox 42.0, but I get a warning about an invalid certificate. As in this question, the website has an HSTS (HTTP Strict Transport Security) policy, which means that ...
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68 views

Setting up secure email on Thunderbird

I'm trying to set Thunderbird up to send/receive encrypted emails. Here is a screenshot from the screen where you can select certificates: However, it doesn't really explain the difference between ...
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1answer
2k views

Microsoft Edge: how to bypass certificate error?

I'm trying to access an intranet server under HTTPS, whose certificate has been autogenerated. With other browsers (IE, Firefox, Chrome, etc.) I have the option to ignore this error and to somehow "go ...
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2answers
107 views

Is it possible to have a certificate signed by 2 authorities?

To explain the situation a bit: I'm building an iOS application that uses SSL pinning. I've created a self-signed certificate authority that issues SSL certificates to my web server, and the CA's ...
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1answer
61 views

Fetching Private Key Bytes from Windows Certificate Store

I have an PFX Certificate file containing both Client Certificate and Private Key. Then I have imported this pfx file in Windows Personal Certificate Store. Now I need to extract the certificate and ...