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)

3
votes
0answers
17 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 ...
0
votes
1answer
30 views

What are all these security certificates on new phone?

This is a new T-Mobile Samsung Galaxy S7. Is it normal to have all these certificates? Many look dodgy. Image resized. Click to see full-version
0
votes
0answers
69 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 ...
1
vote
0answers
23 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 ...
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 ...
21
votes
5answers
30k views

Certificate Install without mandatory PIN lockscreen

Google Support says: The type of lock that's acceptable may be predetermined by your system administrator. Where I can define what's acceptable? I can regenerate the certificate if needed. So ...
9
votes
1answer
16k 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 ...
2
votes
0answers
367 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 ...
0
votes
0answers
69 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 ...
6
votes
6answers
9k views

Install CA without having to activate screen lock

I have a Nexus 7 (Android 4.1.1) and I want to add a CA (Certificate Authority) to my device to use it for the ssl-connection to my mail server. The CA is self-signed. The Certificate does only ...
3
votes
1answer
956 views

Is there a way to verify the integrity of a TA partition backup of Xperia phones?

I unlocked the bootloader of my Xperia P (LT22i) before I could take a backup of the TA partition (which stores DRM keys, IMEI code, etc.) Now I've read on several XDA threads and other websites that ...
3
votes
0answers
44 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 ...
1
vote
0answers
99 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
109 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 ...
10
votes
3answers
21k views

How can I remove trusted CAs on Android?

From the current fallout around DigiNotar (in short, a Root Certificate Authority that has been hacked, fake HTTPS certificates issued, MITM attacks very likely), there are some parts concerning ...
3
votes
0answers
114 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. ...
0
votes
1answer
3k views

How to resolve “enter the password for credential storage” issue?

So I am playing around with fiddler web proxy. I need to decrypt https traffic. So I am trying to put the fiddler root CA cert in my device trust store. But it keeps asking me "Enter the password for ...
8
votes
1answer
13k views

self-signed certificate install claims success, but android acts as if cert isn't there

I am trying to install the self-signed certificate for my web server in Android 4.3. I have the .crt file in the root of the SD card (which is actually emulated as I have no SD card in the slot). To ...
45
votes
7answers
169k views

How do you import CA certificates onto an Android phone?

I want to connect to my University's wireless using my Nexus One. When I go to "Add Wi-Fi network" in Wireless Settings I fill in the Network SSID and select 802.1x Enterprise for the security and ...
12
votes
1answer
43k views

What Trusted Root CAs are included in Android by default?

There doesn't seem to be a central Android resource that lists the Trusted Root CAs included in the OS or default browser (related question on SO), so how can I find out which are included on my phone ...
2
votes
1answer
107 views

Pop up about security problems

I had a lot of these pop ups and I don't know if it's for real or not.
0
votes
0answers
121 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 ...
1
vote
0answers
114 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 ...
0
votes
0answers
110 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
1answer
78 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 ...
-1
votes
2answers
205 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 ...
0
votes
1answer
520 views

Unable to accept SSL certificate (k9mail)

I am setting up k9mail on a 4.2 device (rooted Sony Xperia Mini Pro with stock ROM and crap removed) and it complains about the IMAP SSL certificate not being valid. This happens with both a ...
28
votes
3answers
25k views

How do I get rid of “Network may be monitored” in KitKat?

Ever since I've installed my own CA in the key store I'm getting warnings that the network may be monitored. Well, I guess that's a valid warning if I don't trust these certificates, but I really ...
3
votes
2answers
5k views

Unable to Install Certificate

I am trying to install this certificate on a Google Nexus 7 tablet. I have copied the certificate file (from Win7x64) onto its internal storage and opened it in a file manager to install it. This ...
1
vote
0answers
528 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
129 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
2answers
7k views

Where to get OpenSSL binary for Android?

I have a Nexus 10 (unlocked & rooted) and I wanted to get the openssl binary on there so I can verify HTTPS certificates: $ openssl s_client -connect <IPADDRESS> However, no matter what I ...
2
votes
1answer
228 views

Problem importing server certificate to CyanogenMod 9.1

I am having trouble importing a self signed server certificate to my Sony Ericsson Xperia Arc S running CyanogenMod 9.1. I have tried everything that came to mind. First, the usual method: ...
0
votes
0answers
884 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 ...
0
votes
1answer
510 views

Android does not download any files from untrusted CA certificate site

I work on a site that serves mobile phones and shares some file. When I publish my site in http everything works great. But when I activate SSL and publish my site via HTTPS with my own certificate, ...
1
vote
1answer
246 views

Android browser: how to revoke ssl permission on a single site after giving it?

I'm building a website under ssl certificate. It just works on desktops but android browser argues that the ssl authority is not trustworthy. So to see the staging site I told it to just consider it ...
1
vote
0answers
311 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 ...
0
votes
1answer
118 views

Strange notifications on “network”

I've been getting this notification, well, basically ever since I moved to my Samsung Galaxy SIII Neo, which is my current phone. Up till a few days ago, I simply hit Clear and ignored this, ...
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
723 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 ...
1
vote
2answers
823 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 ...
0
votes
1answer
207 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 ...
2
votes
0answers
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
718 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 ...
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" ...
1
vote
0answers
89 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. ...
0
votes
0answers
290 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 ...
1
vote
0answers
195 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 .
1
vote
0answers
145 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 ...
3
votes
2answers
550 views

Unable to associate company's Wi-Fi certificate with our Wi-Fi network

I have a tablet running Android 4.0.3 that I'm trying to connect to my company's Wi-Fi that uses a security certificate. I've obtained the certificate and successfully installed it on my tablet but ...