Encryption is the process of transforming information to make it unreadable to anyone except those possessing special knowledge.

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Android encryption and Native Library Storage Locations

I have written an app that uses a native shared library via the android NDK When that app is installed on the phone where does the .so file get stored? Also, is there only one or multiple copies of ...
0
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1answer
641 views

Device in Bootloop using encryption

I have yu yureka android device which has octa core snapdragon 615 processor, 2GB of ram, 16GB internal storage. Recently I migrated to snapshot release of Cyanogen Mod 12.1 (android 5.1) plain ...
23
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2answers
4k views

What Android sync'd data is encrypted?

With the release of the firesheep plug-in for firefox it has become trivial for website browsing on open Wi-Fi networks to be hijacked by 3rd party listeners. Android offers the convenient auto-sync ...
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1answer
4k views

Is there a way for a user to tell if their Android device is encrypted or not?

There is a semi-relevant thread on SO https://stackoverflow.com/questions/12640708/check-if-android-filesystem-is-encrypted that explains how a developer would determine if full-disk encryption is ...
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0answers
48 views

How to enable password entry for encrypted lollipop but disable built in screen locker at the same time?

I want this because I want to use a strong password to protect my device at boot time, but protect the screen with one time passwords when it is already turned on.
0
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1answer
222 views

Lost root when upgrading from CM11to CM12.1

I recently upgraded my encrypted Nexus5 CM11 to CM12.1 and now i need to reinstall Google Apps. unfortunately it seems to have lost root access which is needed to to install a zip in recovery mode. i ...
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0answers
45 views

how to see links of all downloading sources

As an example, there is app which download something program,pdf,video,document or etc. But, the downloaded files are not in sdcard. And when the program download it is encrypted by the program just ...
0
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1answer
548 views

android encryption: too little time?

I have a 3rd Gen Moto G that I just enabled encryption on. It showed the warning as usual, "make sure it's plugged in, this will take an hour or more", etc. However, after confirming this, the phone ...
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1answer
25 views

Most secure peer-to-peer exchange of public keys? [closed]

Just what the question asks: I would like to have two Android users exchange public keys for use in a mobile app while not connecting to a centralized hosted server or website.
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3answers
12k views

Using PIN instead of a password for encryption on Galaxy S5

I have a brand new Galaxy S5 with Kitkat (4.4.2) and am required to encrypt it for work. I greatly prefer to use the PIN lock screen instead of the password due to the annoyance of having to type in ...
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0answers
58 views

Combining Ghostery and HTTPS-Everywhere on Android?

On my PC (Windows 8.1) I am happily using Firefox with the Addons Ghostery and HTTPS-Everywhere. I really like this combination so I winder how I can achieve the same things on my Android phone. I ...
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8answers
16k views

Does encrypting an Android device add any real security benefit over a key-lock?

Would encrypting my Android device make my data any safer in case of theft? It seems to me that since the encryption key necessarily is identical to the PIN code or password used for the key-lock, ...
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1answer
10k views

Cannot Factory Reset after Encrypting

I encrypted my phone but now want it not encrypted so have to factory reset. However, if I try to do this from the CWM Recovery it says -- Wiping data... Formatting /data... Error mounting /data! ...
0
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1answer
141 views

What does “encrypt all outgoing email” really mean?

I have a Samsung Galaxy Stardust with Android 4.3. In the email app, under security options, there is an option that says "encrypt all outgoing email". But my understanding of S/MIME is that in ...
1
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0answers
2k views

How can I decode a mobile encoded file?

I am using filelock software in my Android phone. You can encode (encrypt) any file in this software by a password. I forgot my password and without password I cant decode my file. Is there any ...
4
votes
1answer
1k views

NANDroid backup/restore of CM11 encrypted device after wipe

is it possible to restore a NANDroid backup of a encrypted device running CyanogeMod 11 (KitKat 4.4.2) after performing "Format Data" in TWRP recovery (this function wipes the encrypted partitions)? ...
2
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1answer
544 views

Recovering broken ecryptfs on SD-card with lollipop

This morning my phone froze and I had to hard reset it. Now when I boot and I insert my SD card, I get the following two messages: Preparing SD card/checking for errors. A dialog offering to encrypt ...
2
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0answers
131 views

How does encrypting a bootloader prevent it from being unlocked

As I'm waiting patiently (sigh) for the at&t note 4 root, I have been trying to understand the process of rooting. This website does a good job of describing what a locked/unlocked bootloader is, ...
1
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0answers
105 views

Is multi encryption a good way to wipe all traces of personal data before selling the phone?

I am going to sell my phone. It's a Samsung Galaxy S4 i9505 from Germany running Android 5.0.1 "Lollipop". What I have done so far is to encrypt, reset, run camera until memory was full to override ...
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0answers
276 views

Is it possible to recover data from SD card encrypted on Android 5.0 if you know your password but your phone isn't functional?

Let's say I have encrypted both internal storage and microSD card with my phone running Android 5.0. Will it be possible to decrypt SD card with my PC or another phone if I know my password but my ...
1
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2answers
45 views

Encryt a single user, not the whole device

My android is multi-user. It is crazy to encrypt the entire device. How do I encrypt just a single user's account? More specifically, the only thing I am trying to protect is my gmail account. I ...
0
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0answers
309 views

permanently decrypt my android

I have encrypted my android. I now have these problems: I want to switch on and login: The system boots, I the primary user, type my password, the system boots, I type my password (This is a pain). ...
0
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1answer
126 views

Flash CM on encrypted phone running stock Android

My Nexus 4 is currently running an encrypted Android 5.1. Now I want to flash CM12. Can CM access my Data after flashing or do I need to remove the encryption before flashing?
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2answers
1k views

Is full device encryption possible on LG Optimus L5 II (LG-E460)?

After starting the encryption process from within the Device Policy Manager for Google Apps the device will reboot, and immediately get stuck on the boot loader while happily displaying the LG logo ...
0
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2answers
47k views

How to disable lock pattern/pin on lock screen with new Android 4.3 update?

I just did an update on my Galaxy S3 and now it is required that I have a lock on my lock screen. Before the update, I had the simple "Swipe to Unlock." Now, when I go into Settings>Lock screen>...
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0answers
131 views

Redo one-time setup?

Due to a flaw in the way that Android does decryption*, I setup my devices by skipping through all the first boot setup stuff provided by CyanogenMod and Android. I then immediately go into the ...
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0answers
38 views

adb doesn't find smartphone stuck on Error during encrypting

I have a ZTE unlocked stuck on error during encrypting: It doesn't reboot into recovery mode using the hardware keys combination, it just start up and then reboot into normal mode leading me back ...
13
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3answers
3k views

How to do backups and updates properly with full device encryption?

I think about the following use cases: 'Perfectly' reverse encryption without losing settings Update ROMs. Even if /system, /data, /sdcard (internal) are encrypted Low level Backups with CWM. When ...
0
votes
1answer
112 views

Decrypting full disk encryption

I have latest nightly of cm12 (Android 5.x, Android M). Can I decrypt full disk encryption (which I know code of)? I have twrp and root, they should add support for that
3
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1answer
3k views

How can I encrypt my external SD card on Android?

I want to encrypt or password protect on my external sdcdard. Thus whenever I remove my ex SD card it will not allow to show any of its data without password, even if it is inserted in Computer. Is ...
1
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1answer
256 views

Time needed for full device encryption on Android L with 128GB microSD Card

So last night I decided to enable full device encryption on my Android L device (Sony Z3 compact running CM12). Right as I started I realized I had forgotten to unmount and eject the microSD card. I ...
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1answer
386 views

TLS version support

I am trying to backtrack the versions of TLS support on Android. More in detail: From which version of Android started TLS 1.0 support From which version of Android started TLS 1.1 support From ...
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0answers
188 views

CM12 Samsung Galaxy Note 3: Unable to encrypt

I am using the latest nightly of Cyanogenmod 12 (not 12.1) on my Note 3. I wanted to encrypt my phone but whenever I start the encryption process the phone shows a wireframed android and restarts. ...
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1answer
3k views

Wipe data on wrong password inputs

I've found several obsolete answers, but this question about situation nowadays: What's the most robust solution to have the device (Android 4.2-based) protected? Turn on device encryption (there ...
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3answers
6k views

Is data/data/com.android.browser/databases/webview.db being encrypted?

I rooted my phone (Galaxy Nexus 4.1.1 JRO03C). I am able to access nearly all files under data/data/* folder. However, a few files cannot be opened, such as data/data/com.android.browser/databases/...
21
votes
5answers
1k views

Ice Cream Sandwich (ICS) - Encryption, select different PIN than Screen Lock

I was wondering if one can select different passwords for device encryption in ICS? Having the same password for encryption and unlocking the screen isn't quite that secure... Thanks for hints.
2
votes
1answer
341 views

Does “trusted device” unlocking work with an encrypted device?

Since Android 5.0, encrypting a device doesn't require configuring a complex alphanumeric screen lock password anymore. Does this also work combined with with unlocking the device using a "trusted ...
1
vote
1answer
559 views

Does the lock screen on a encrypted device provide different security than an unencrypted device?

I am wanting to encrypt my phone and sd card. I have been reading around about it all week and still don't understand a few things. I though that the encryption was like blackberry encryption, where ...
0
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1answer
2k views

Mount EncFS on Android KitKat 4.4

On older (rooted) Android versions, Cryptonite was a great solution to mount EncFS encrypted folders, but on my new Android KitKat phone with an emulated storage, that fails. I can successfully mount ...
24
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2answers
3k views

What is the Streaming Decryption setting in Google Drive?

I notice a "Streaming Decryption" option under Encryption Settings. For me, it was not selected by default. The description under this setting is a little unclear: Decrypt documents into a stream ...
2
votes
1answer
528 views

How to encrypt an external SD card natively?

There are several questions regarding the possibility to encrypt an external SD card on Android. None of them are satisfactory. They either point to a third party solution (e.g. BoxCryptor, Cryptonite,...
0
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3answers
2k views

Encrypted Sony Z1 Compact stolen - will it be possible to reset and reinstall phone without PIN code?

Today my Sony Z1 Compact Android phone (4.4 Kit Kat) is stolen. Bad luck, but nobody's hurt and I'm quite sure my insurance will cover this. I've encrypted the phone and external SD card. Now this has ...
2
votes
1answer
2k views

Android 4.1.2 Full Device Encryption

I have a FDE enabled on my Android. However on JellyBean when device restarts I never get a boot password prompt,just regular unlock screen. I remember on 4.0 ICS, after reboot Android would ask me ...
0
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3answers
24k views

Remove password from Galaxy Tab4

My wife set password to her tablet and asks me to remove it. I opened settings -> security -> device encryption entering password but option none (i.e. no password) is disabled (with message ...
0
votes
1answer
96 views

After Full Disk Encryption, are all subsequent new files automatically encrypted?

I am not talking about the new Lollipop which encrypts everything by default. The older versions, such as Androd 4.2.1/4.2.2 etc. Suppose you went to settings -> security -> encryption, and chose full ...
1
vote
0answers
149 views

How to encrypt data on Android on per-file basis before backup to a cloud storage

I would like to automate file encryption on my Android device before sending them to a cloud storage. I don't want to have a container encryption (like Truecrypt or VeraCrypt) since it will require ...
1
vote
1answer
168 views

alternative to android build in encryption?

I have got a Samsung S3 that forces me to use a 6-charakter password for the phone/SD card encryption. I would like to use a PIN (4-digits) as it was possible in earlier Samsung phones. I am aware of ...
4
votes
2answers
10k views

How to change encryption password - Android 5.0

My encryption password is too simple and was wondering how I could change it without having to reset the whole phone? I know there is an app for Android 4, but what would be the procedure on an ...
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vote
2answers
560 views

K-9 Mail not working with Openkeychain

K-9 does not seem to find the installed Openkeychain app. OKC works fine and so does K-9 except for this problem. Both programs have been installed from F-Droid and are the the latest version. I am ...
1
vote
0answers
157 views

Force/Enable Pin screen lock

Is there a way to enable/set a pin code for screen lock, independently of the settings? In my case everything is greyed out (except "Password") because I use device encryption.