Questions tagged [certificate]

Questions about importing/creating and using x509 certificates for SSL, iOS & macOS development. Questions about accessing and using certificates programmatically are off topic.

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26
votes
7answers
80k views

Safari can't connect to https

Safari suddenly can't connect to any HTTPS site because it "can't establish a secure connection". This is on an administrator account, not a managed account. A different administrator account is ...
10
votes
2answers
20k views

Certificate error when using Chrome for iOS with company CA

I am using an iPad with Google Chrome installed to access the internet. I have downloaded and installed the Netbox Blue certificate authority from their website. I can currently access https:// ...
42
votes
5answers
18k views

How to tell why macOS thinks that a certificate is revoked?

I cannot access Wikipedia on both my Macs. macOS says that the intermediate certificate used to sign Wikipedia’s certificate (GlobalSign Organization Validation CA - SHA256 - G2) has been revoked. I ...
9
votes
2answers
7k views

Unable to export .p12 certificate from Keychain Access [duplicate]

I'm trying to export a Developer certificate from Keychain Access. I've followed all the instructions and got to the point where I need to enter the "login" keychain password. However, when I enter ...
7
votes
4answers
7k views

How do I get com.apple.servermgrd to use a non-self-signed SSL certificate?

I have received a valid SSL certificate for my Mountain Lion Server (10.8.2 Build 12C3104) and have installed that cert for use by all services (and SSL and other services do not pop up the "Verify ...
11
votes
2answers
4k views

Keychain Access error when creating new system certificate

I am following the instructions to codesign gdb on my MBP however when I get to the end of the System certificate creation process, keychain says "Unknown Error = -2,147,414,007" and the certificate ...
7
votes
1answer
11k views

Why does OS X repeatedly prompt for certificate trust when joining WPA2 Enterprise WiFi

WHY does OS X always prompt for certificate trust when connecting to WPA2 Enterprise (EAP-PEAP in my case) networks, even if the certificate is already marked as 'trusted'? Even weirder.. if I delete ...
5
votes
1answer
1k views

Import CA certificate into Chrome via command line

Is it possible to import a custom Certificate Authority (.crt) using Terminal or over SSH on macOS 10.13 High Sierra?
4
votes
3answers
43k views

Safari not accepting website certificate

I've been using an internal website at work without any issues until today when I received the error message: "Safari can't open the page "https://...". The error is: "The server "..." did not ...
3
votes
2answers
4k views

Is it important to backup public keys for iOS Developer Certificates?

I have read everywhere that you need to backup your private keys for iOS Developer Certificates on your Mac. I want to know if public key is important to backup or not. In case if a person just keeps ...
2
votes
1answer
8k views

“This certificate was signed by an untrusted issuer”: what's causing such an error?

I am having trouble with a specific financial services provider; every time I try to visit myvisaaccount.com to check my card balance etc, I get the dreaded Chrome red strikethrough https and x-ed ...
2
votes
1answer
540 views

My signed .pkg file is not accepted

I'm struggling with signing my installer to keep Gatekeeper happy. When building i sign the .pkg: productsign --sign "3rd Party Mac Developer Installer: GNXXXXXXXXXX (XXXXXXXXXXX)" ...
5
votes
1answer
211 views

Strange looking certificate in macOS Keychain

I need help with a strange looking certificate which has appeared in the Keychain of my Mac. The name of the certificate is "A9936B80-41C7-4D34-8020-59C3E40A31A8 A98369B2-0C8C-4CF8-9921-015C5D9A4C86"....
4
votes
5answers
4k views

How to replace missing root and intermediate certificates in Mac OS X v10.8

Let me preface this with the fact that I know nothing about networking / security / etc. Twice now, I've had issues with root certificates not working and throwing errors, even though they are still ...
3
votes
1answer
5k views

Why is the CAcert root certificate not trusted on iOS devices?

I distinctly remember that when I bought my first iPhone and iPad a couple of years back, I was able to install the CAcert root certificate on those devices and iOS would trust the certificate. These ...
3
votes
1answer
456 views

How do I fix the SSL warning I get when visiting github.com?

I see the following warning when visiting http://www.github.com/ after July 26, 2014. I get this warning in both Chrome and Safari on my OS X Mavericks-equipped iMac. Should I worry about this? How ...
2
votes
2answers
5k views

“This certificate was signed by an untrusted issuer” problem after updating to El Capitan

Most of the https connections returns that. Most of them is signed by Symantec. But not all. I tried to google the problem, but with no luck, seems like I only the one who experiencing this problem. ...
1
vote
1answer
3k views

Many Applications accessing obsolete x509anchors

When I look into console.app I see that every 2 minutes one of the mac os programs (Safari, Mail, Keychain, Addressbook, WebProcess etc.) is giving an "Warning: accessing obsolete X509Anchors." error. ...