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 ...

learn more… | top users | synonyms (1)

3
votes
3answers
274 views

When multiple Encrypting File System certificates are installed, which one is used for encryption?

To encrypt a file or folder in Windows, you basically go to its Properties and check Encrypt contents to secure data. Windows will use the certificate for Encrypting File System (EFS) that is ...
0
votes
1answer
249 views

How do I deal with NET:ERR_CERT_AUTHORITY_INVALID in Chrome?

My work place intercepts SSL connections, looks at their contents, and then passes the data to and from my machine and remote hosts - a kind of man-in-the-middle attack. This is not uncommon in ...
0
votes
2answers
35 views

Man-in-the-middle proxy without any certificate errors?

I am working in school as IT engineer. We have legal order from our governmental ISP to collect logs about our users network behavior, to identify infected PC's and so on. I need to filter all ...
1
vote
0answers
18 views

Get a server's SSL/TLS certificate using “openssl s_client”

I am trying to get the SSL/TLS certificate for one of our load balancers (Netscaler) using: openssl s_client -showcerts -connect lb.example.com:443 But it won't show me the certificate: CONNECTED(...
0
votes
0answers
21 views

Accept all out of date self-signed certificates

My work computer does not access the internet at all, ever. We have a web server that has an out of date certificate that is preventing me from accessing it programmatically with a POST request. I ...
1
vote
1answer
35 views

Can it be found out, what websites/domains an SSL (pem) certificate approves of?

A (non-wildcard) SSL certificate can be issued to match multiple domains and subdomains, like mysub1.example1.com, www.example2.com, and many others, all in one certificate with the same private key. ...
3
votes
2answers
3k views

Outlook 2013, multiple email accounts and encrypted email: Only last S/MIME settings used

I have multiple email accounts properly setup in Outlook 2013 (can send/receive fine otherwise). Lets say they are: user1@domain1.com user2@domain2.com user3@domain3.com All belong to me and I have ...
0
votes
0answers
7 views

Get notified when a certificate for one of my domains gets issued [on hold]

Since client transparency and certificate logs are widely in use now, can I, as a site owner, somehow subscribe to one of the certificate logs and get notified when a certificate for one of my domains ...
7
votes
1answer
65 views

How do I uninstall an application whose installer has a revoked signing certificate

Several years ago I installed an application called Net Limiter on my then Windows 7, since upgraded to Windows 10, machine. Earlier today I attempted to uninstall it while cleaning up applications ...
1
vote
1answer
248 views

How do you change an expired certificate?

While I've been using mac for sometime. Often when I'm doing software updates on various machines I need to install new software. Most updates have certificates which are sometimes out of date. I ...
1
vote
1answer
173 views

Does Apple Server 3.0 MDM really require an APNs certificate?

A while back I set up an MDM server on our Apple Server running 10.9.2. The server is running Server 3.0.3 and I have several test Macs and iOS being managed by the server. The only certificate I ...
0
votes
1answer
26 views

Import root certificate in Synology

I am looking for a way to import a root certificate in a synology server (the certificate comes from a ssl intercepting proxy). I have copied the certificate to /usr/share/ca-certificates/<...
0
votes
1answer
125 views

Certificate authentication over socks/ssh

My workplace has the requirement that to browse any internal site the browser has to present a valid certificate. My desktop at work has such a valid certificate. I would like to tunnel to the desktop ...
1
vote
1answer
30 views

Generate an ECDSA key and CSR with OpenSSL

I know how to generate an RSA Private Key and CSR: openssl genrsa -out my.key.pem 2048 openssl req -new -sha256 -key my.key.pem -out my.csr But, how do I do the same with an ECDSA (Elliptic Curve ...
2
votes
0answers
32 views

Trigger event on certificate renewed, replaced

I am attempting to trigger a task schedule to kick off a powershell script based on when a new certificate is added into the Local Computer\Personal\Certificates store. For testing purposes, the ...
1
vote
1answer
15 views

How to set attributes to private key on PKCS#12 (key usage)

I make a certificate X509 with library Bouncy Castle on Java. I need set a Key Attribute to private key. PKCS7 Data Shrouded Keybag: pbeWithSHA1And3-KeyTripleDES-CBC, Iteration 1024 Bag Attributes ...
0
votes
0answers
12 views

Unable to generate certificate in Internet Explorer

I have a problem with Internet Explorer, I'm unable to generate a new certificate from a root one, every time I try to generate get a prompt which says. “Error in InstallResponse. Error Number ...
0
votes
2answers
3k views

How to disable driver certificate verification in Windows 10

I just built a new machine and need to load an older driver for one of my 44" Designjet printers, but Win 10 will not allow either the driver for Win 7 64-bit or for Win 8 64-bit because they lack a ...
0
votes
1answer
9 views

Openssl in client mode: Verify authentication

I want to test my secure server implementation with openssl (v. 1.0.1e). I use openssl in client mode to connect to the server: openssl s_client -cert client.pem -connect localhost:8888 -debug This ...
1
vote
2answers
23 views

PKI Certificate Authority private a keys and certificates

I'm trying to set up OpenVPN and I'm a bit confused about the terms. From what I've read, a PKI consists of: A separate certificate (also known as a public key) A private key for the server and ...
-1
votes
2answers
36 views

Can i use a gethttpsforfree to create a valid certificate for locahost or intranet domain?

I have a webapp running in a public domain using a ssl certitifcate provided by https://gethttpsforfree.com/ It works like a charm. The problem is that sometimes i need to install this webapp ...
1
vote
1answer
686 views

How to use .pfx in certificate store in CURL for Windows 7

I want to use cURL to access a remote server, and I need to identify myself using a private key or the remote server gives a 401 "Unauthorized". I'm on Windows 7 (work machine, not my choice) and my ...
0
votes
1answer
23 views

Certificate verify failed, using fresh Plesk installation

I have a fresh installation of Debian 8.1 Plesk 12 Plesk installed Postfix and Dovecot and added a default certificate for Postfix. I'm running PHP 5.6 for my website. New in 5.6, PHP verifies ...
0
votes
2answers
1k 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 ...
2
votes
1answer
36 views

How can I export a certificate from MMC as a PFX file?

I'm in the process of trying to change the KeySpec property of a code signing certificate from Comodo by following this guide. The guide mentions importing your certificate file into MMC and then ...
0
votes
1answer
45 views

I keep getting certificate errors and websites not loading correctly or really slow

It all started when I changed the "Internet Time Settings" server to something else because it didn't get the correct time. After I have found a correct server the time was correct (also is now), and ...
1
vote
1answer
496 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 ...
-1
votes
1answer
35 views

Pulled Windows 10 Surface 3 out of storage… now what?

I just pulled a Surface 3 out of storage. I haven't used it in about a year and I can't visit any websites without running into "invalid certificate" errors. Last time I used the tablet, it worked ...
1
vote
2answers
28 views

I am not able to locate certificate created using makecert

I have just started learing to create certificates. I have created some & located in store using MMC. But, when I tried this command , I was unable to locate certificate. makecert -n "CN=My ...
0
votes
1answer
138 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/...
6
votes
3answers
3k views

Mutt will not let me save an SSL certificate

I have just set up Mutt to connect to my firm's IMAP and SMTP server. Everything works; but when I launch mutt, I get a warning about the certificate, and am given the option to: (r)eject, accept (o)...
0
votes
3answers
2k views

IE9 stops at “looking for credential tiles…” dialog when using smartcard

When I try to access secure page using smartcard I get "looking for credential tiles..." dialog and IE stays there for ever. Only option is then to rebot PC. After reboot I can always access the ...
1
vote
1answer
18 views

How to copy a website certificate into a file in windows

I am looking for a command to copy the certificate of website in text mode, so that I can compare it with the one I have. Please help me with this. For example I have an IP of my server 10.112.***.***...
2
votes
5answers
5k views

Certificate not trusted over Win7 to Win7 Remote Desktop connection

I'm experiencing a certificate issue while connecting two Windows 7 machines together via Remote Desktop. I have installed the certificate, but I'm getting a message that says the cert is not trusted. ...
0
votes
0answers
18 views

How to encrypt email with public key in Thunderbird

So I need to send an encrypted email to a specific person. So I installed Thunderbird, GnuPG, and the Thunderbird add-on Enigmail. I totally understand that I need to encrypt the email with the ...
3
votes
2answers
42 views

Is there any limitation on the number of applications that can be signed with one certificate?

I bought a code signing certificate (in my name) for windows and I signed 2 apps with it (the 32 bit and 64 bit versions of my app), both apps seems to be signed properly but I don't know if each ...
0
votes
2answers
103 views

How to make use of a free SSL certificate?

I'm using Network Solutions, who want me to give them $50 or $100 per year to have SSL protection with my hosting. I keep hearing about free SSL certificates though. Can I really use one of those with ...
0
votes
0answers
54 views

SSL Certificate error in Internet Explorer but not Firefox, Chrome or Edge

I have installed security certificates on 2 websites, which work perfectly in Firefox, Chrome and Edge but when accessing in Internet Explorer (10 and 11), users get the "There is a problem with this ...
1
vote
1answer
1k views

Unable to continue after certificate error i IE

I am on a closed HP ILO network, and I am trying to access the web interface (https) of a HP c7000 Onboard Administrator (though I do not believe this is an issue specific to the equipment) through ...
0
votes
1answer
3k views

Roundcube, php 5.6 and self-signed certificates

I am currently porting one of my servers to another. That server is running Postfix + Dovecot using a self-signed certificate. My web-frontend used to be roundcube. Now is the problem, that the new ...
0
votes
2answers
136 views

SSL certificate problem: self signed certificate in certificate chain

Behind a firewall, using chrome, I am able to access a github repository like so: https://github.com/Squirrel/Squirrel.Windows Chrome uses our certificate for this access. If I try to access the same ...
0
votes
2answers
109 views

How to provide a verified server certificate for Remote Desktop (RDP) connections to Windows 10

We have a Windows 10 Pro machine at our office which has an open port to the internet for incoming remote desktop connections (a ‘host’). It is well protected by complex password and limited number of ...
0
votes
0answers
10 views

Signing OpenVPN server and clients certificates by Samba4 DC auto-signed CA.pem

I installed Samba4 and configured it to be domain controller, and it auto generated ca.pem, cert.pem, key.pem. And now I want to use the same CA of samba to sign the new certificates (maybe generated ...
0
votes
0answers
16 views

SSL site hosted in IIS shows certificate, but no such certificate is installed

I have a problem that is really leaving me scratching my head. I'm hoping it's something simple I've overlooked. I need to replace an expiring SSL server certificate on an IIS 7.5-hosted site on a ...
2
votes
2answers
2k views

How to add Let's Encrypt to the Java allowed certificates?

I have recently switched to Let's Encrypt Private Beta for several of my domain names, and as a consequence several of my Java programs have stopped working because the certificate is not in the trust ...
0
votes
1answer
100 views

Apache SSL error: Re-negotiation handshake failed: Not accepted by client?

I protect my wordpress administration by a client certificate. I had a trouble in march after upgrading from Wheezy to Jessie but it has been solved and everything ran well until my letsencrypt ...
0
votes
1answer
76 views

How to make a self-signed certificate trusted?

I've created a self signed certificate on my Windows 10 PC and would like to see it trusted by the web browsers on the same machine. To do this, I've added the certificate to the 'Trusted Root ...
1
vote
1answer
11k views

Installing/deleting root certificate without CertMgr / CertUtil asking the end-user for confirmation

When you install or delete a root CA certificate using the commandline tools CertUtil.exe or CertMgr.exe, Windows asks the user for confirmation using a MessageBox (for certificates other than root CA ...
1
vote
1answer
53 views

Self-signed certificate becomes invalid after some time

I have a web site hosted on IIS webserver. I've created a self-signed certificate for the web site and installed on a client machine. When I install the certificate to a client machine, I can ...
5
votes
2answers
4k views

Trusted Root certificates regularly disappear on Windows 7

I've installed several self-signed certificates on my Windows 7 Ultimate x64 machine for development purposes. One was installed into Trusted Root CAs and 2 were installed into My Certificates and ...