A web infrastructure construct that facilitates the trust relationship between a web site as information provider and a client's web client (browser) as information consumer. It contains elements to satisfy authentication to satisfy requirements that parties to the connection are who they claim to ...

learn more… | top users | synonyms (1)

10
votes
2answers
18k views

How do I install a user certificate?

I have my own Root certificate that signs user certificates. I have a site that will only allow you on with a user certificate which is signed by the root ca. I have managed to get this site working ...
1
vote
2answers
829 views

Is there a in-built setting to login to public hotspots?

I have a SIM-lock free Galaxy W with Android 2.3.6 on it. The other day in the public library I found out that I was not able to login anyhow to the public Wi-Fi. It shows that the DHCP gives the ...
-1
votes
2answers
217 views

Cannot change lock screen other than password/PIN after installing certificate

I am using XOLO Q1010i. In order to use the university WiFi network, I need to install an authority certificate (WiFi credential). To do so, the device made me installing a lock screen (PIN or ...
8
votes
1answer
5k views

How to export SSL certificate from Android, Chrome

I have a Nexus 5 with the latest Android 4.4.2. I'm registered on using Chrome . They use client certificates to authenticate the user. I installed the certificate and could successfully use the site ...
2
votes
1answer
3k views

How to setup Microsoft Exchange on Android? [No certificates found error]

I'm using a Nexus 5 running Android 4.4.4, and when I try to setup my company's email through the Email Android app I get the following error. No certificates found The app Exchange Services has ...
2
votes
1answer
722 views

Save accepted untrusted certificates on email app (HTC Sensation)

I have a problem with the mail (not gmail) app on my HTC Sensation, that I'm guessing is part of HTC Sense 3. I'm using a server that has an untrusted certificate, and every time I try to refresh my ...
0
votes
1answer
80 views

Can't change security settings due to VPN setup

This appears to be a duplicate of this post, but the solution there didn't work for me. Clearing the credential storage wasn't even an option -- it's greyed out. Starting at the beginning -- I ...
0
votes
1answer
1k views

Installing wifi certificate

I want to connect my Samsung Galaxy SIII to my University's wifi network. I have the certificate on my computer. I'm trying to install it. I have transferred it to my mobile's download folder and to ...
0
votes
1answer
792 views

'Could not validate certificate signature' error (Antennapod, Gingerbread)

I am using Android 2.3.6 (Gingerbread) and AntennaPod Version 0.9.9.5. When I am trying to access gpodder.net, either to login or search podcasts, I get the following error message: An error occured:...
0
votes
1answer
213 views

HTTPS sites no longer load on my Android after installing cert to truststore

I have a rooted Android 4.3 JellyBean. I was testing something and trying to install the certificate for Charles Proxy so I could sniff some SSL traffic. I was able to push the Charles certificate to /...
4
votes
0answers
1k views

Does Samung Galaxy S2 support the use of Client Certificates for ActiveSync?

Does Samung Galaxy S2 support the use of Client Certificates for ActiveSync ? Most other Android phones need to rely on TouchDown or other third party applications. Can anyone confirm if this is ...
3
votes
0answers
47 views

How to remember/cache a client certificate

I support a web-application that requires an https connection with client certificates as part of the authentication scheme. On most browsers (Desktop clients, iOS Safari, etc) if you are prompted for ...
3
votes
0answers
49 views

How do I tell Android to remember which client certificate to use for a given site?

I have a site that requires a client certificate in order to allow access. I've successfully installed a client certificate onto my Android device. When I access the site from Chrome, I'm prompted ...
3
votes
0answers
153 views

Certificate Authority installation doesn't work

I've seen many many posts* lined to my problem, although none of them seems to refer to my bug. I set up my small PKI (for Web, mail etc.) and now try to import my CA .crt file to my Android device. ...
3
votes
0answers
2k views

K9 doesn't like my SSL cert

My mail provider recently updated their SSL certificate and now I'm getting errors in K9 mail when I try to test my server information: java.lang.RuntimeException: java.lang.RuntimeException: error:...
3
votes
0answers
2k views

Importing SSL certificate for email

I am having trouble importing an SSL CA certificate to authenticate my mail server. My mail server is run by Dreamhost, which offers TLS on their IMAP/SMTP servers, but with a certificate signed only ...
3
votes
0answers
570 views

ICS email app, SSL certificates crash bug

Does anyone have a solution for the following situation: Added Exchange account, tick "Accept all SSL certificates", upon saving the setting the app crashes. Stock ICS, please see log here: https:/...
2
votes
0answers
430 views

Automatically verify signature on all Android Exchange emails

I work in an office where everyone uses a digital signature on their emails. I just bought a new LG G3 with 4.4.2 KitKat and whenever someone sends me an email that is signed, it shows up with a body ...
1
vote
0answers
50 views

How to remove a single client certificate?

Isn't it possible to remove a single client certificate from a device? On a Galaxy S6 running 5.0.2 I can remove all client certificates using: System settings Lock screen and security Other ...
1
vote
0answers
106 views

Can I export certificates from Credentials Storage

I have several certificates in the Credentials store that I would like to backup. Can they be extracted? OnePlus 2 running OxygenOS 2.2.0 Android 5.1.1 Not Rooted.
1
vote
0answers
141 views

How are certs validated against default trust store?

Through some reading, I have a fairly rough understanding about how https works with Android apps, especially how are certificate validations done. Some of the resources that I referred to for gaining ...
1
vote
0answers
123 views

How to install a certificate to Work Profile user

I would like my app on Work Profile user (https://www.android.com/intl/en_us/work/) to connect to a server with a cert. Since Work Profile user shares Settings with Owner user, I installed a cert from ...
1
vote
0answers
576 views

How to install a private key (.pfx certificate) on android?

I want to read a protected pdf file. I installed in on my Windows PC and install the .pfx certificate with the password to read it. There I can open it normally. But I can't do the same on my android ...
1
vote
0answers
134 views

is there a way to force chrome to accept a self signed site?

I want to access to a site in which zimbra is installed, the address is like 'https://...', but when I try to access it from chrome on my phone I have a message telling me the connection is not ...
1
vote
0answers
327 views

Wifi CA Certificates disappearing

I have an Xperia E3 running 4.4.2. My university's wifi network has a CA certificate to avoid having to re-enter credentials each time you connect. However, whenever I install this certificate (and ...
1
vote
0answers
3k views

How to configure VPN using pcf profile and custom certificate

I want to connect the VPN of my university with my Android device. My university provides a .pem certificate, a .pcf profile and instructions how to set up the vpn connection under a "normal" GNU/...
1
vote
0answers
90 views

K9 mail — susceptible to MITM attacks?

I am using K9 on Android and have set the SSL option to 'SSL (strict)'. My understanding is that with this option K9 definitely requires a valid SSL certificate which is issued by a trusted CA, i.e. ...
1
vote
0answers
149 views

Trouble with certificates

I have a Samsung Galaxy tablet model GT-P3110. I keep getting a message on my tablet each time I go to my Hotmail and Outlook email that there is a problem with the security certificate for these ...
1
vote
0answers
198 views

Cannot see installed user certificate

I have installed 2 user certificates to be used for wifi but when connecting the certificate is not showing up in the drop down . The CA certificate is showing though .
0
votes
0answers
7 views

Android MDM certificate error

I'm facing some strange Android behaviour here. What's the story: I've installed Symantec Mobility Suite server without any problems (I did it many times before). After that, I tried to add Android ...
0
votes
0answers
15 views

Install Root CA on Marshmallow Device (Samsung Galaxy S6 Edge)

I have a Samsung Galaxy S6 Edge running Marshmallow on which I am trying to install a Root CA on. I download the certificate and install it, choosing WiFi as the certificate type. I get a popup ...
0
votes
0answers
77 views

“The certificate was not installed” error when installing a CA root certificate

I am developing an Android mobile application and want to test that the application behaves as expected. I am using the OWASP ZAP intercepting proxy for this purpose. The application communicates to ...
0
votes
0answers
199 views

Unable to send S/MIME Encrypted Emails; Galaxy S6 Edge/Marshmallow

This refers to the Galaxy native email client running on Android 6.0.1 on a Galaxy S6 Edge. I have successfully added my Comodo SHA-256 Client Authentication and Secure Email certificate to an Office ...
0
votes
0answers
79 views

How to show SSL fingerprint of a self-signed certificate in Firefox for Android

I set up a website with a self signed SSL-certificate. As this website is just used by me for now, I'm fine with checking the fingerprint when connecting to it. This works just fine with Firefox or ...
0
votes
0answers
145 views

“couldnt install because the certificate could not be read”

when i am trying to install a certificate for wifi in my mobile, it is not getting installed.The error is "couldnt install because the certificate could not be read". What is the problem? The same ...
0
votes
0answers
117 views

Which Certification Authority do I need to activate to get a software update?

Whenever I select "Update now" from the Software update menu, it says: Unable to download update Unable to update software. A network or server error occurred. Try again later or go to Samsung Kies ...
0
votes
0answers
978 views

How to Export Client Certificate from Firefox for Android on non-rooted device

I had a website install a client certificate into my Firefox browser (v35.0.1) on my tablet and I want to export and backup the certificate. I've found out after the fact that Firefox on android doesn'...
0
votes
0answers
305 views

How to make Exchange client read signed 'application/ms-tnef' mail?

Someone sends an email with (among others) the following headers Content-Type: application/ms-tnef; name="winmail.dat" Content-Transfer-Encoding: binary X-MS-Has-Attach: yes X-MS-Exchange-...