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

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4
votes
1answer
910 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)? ...
0
votes
2answers
2k views

Rooted, Encrypted Galaxy Note 8" stuck in bootloop!

I am a noob. In a nutshell, I poked at things I shouldn't have after rooting/encrypting my galaxy note 8" tablet (GT-N5110) and now it continuously loops through the boot up screen. It gives me just ...
1
vote
1answer
22 views

Decrypt SD card on a phone with a broken screen

I have a Glaxay S4 and I know the password to decrypt the card, and the phone's memory... but the screen is broken and doesn't display anything. Otherwise, the phone is fine. It's my understanding ...
4
votes
3answers
8k 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 ...
2
votes
1answer
43 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
votes
2answers
2k views

How to make full backup of encrypted Lollipop Nexus 5 device?

This guide describes how to make full backup of whole memory block. My N5 is encrypted with Android 5.0. As far as I understand new mechanism, it envolves dependency on some external data taken from ...
2
votes
0answers
30 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
vote
0answers
38 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 ...
5
votes
0answers
160 views

How does Samsung implement SD card encryption?

My android device just stopped working. I still have my SD card, but all data in it is encrypted. Encryption has been performed at file level, so I have the directory structure and filenames in plain ...
1
vote
0answers
125 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 ...
0
votes
1answer
3k views

Is it possible to decrypt msgstore.db.crypt8 file

I am having a file msgstore.db.crypt8 that is actually backup file of whatsApp. I don't have a rooted phone so is it still possible to read this file ?? If yes then how can i do that ? I tried to ...
1
vote
2answers
32 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
votes
0answers
30 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
votes
1answer
48 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?
0
votes
1answer
93 views

How to disable device encryption?

I am using Samsung Galaxy A7. Today I encrypted my device and secured it with a password lock. Now I need to permanently decrypt the device but I cant. When I go to settings and try encrypt option ...
4
votes
1answer
263 views

Bypass Swipe to unlock in Android 5.0.2

I have upgraded my Sony Xperia Z1 from Android 4.4.4 to Android 5.0.2 and now, when the screen is locked, I first have to swipe before I can enter the pattern. When I go to Settings -> Screen Lock, ...
6
votes
2answers
976 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
votes
2answers
33k 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 ...
1
vote
0answers
30 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 ...
1
vote
0answers
21 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
votes
3answers
2k 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
0answers
16 views

What is encrypted in Android operating system?

When the Android OS encryption is activated, I read that only /data (user data) is encrypted and not all the storage. Is this correct? Can we encrypt all the storage if it's the case? I take the ...
0
votes
1answer
28 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
2
votes
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
vote
1answer
59 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 ...
-1
votes
1answer
267 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 ...
1
vote
2answers
2k views

K9-Mail PGP encryption problem

I have a bit of a problem with PGP and K9-Mail on my Galaxy S3. I'm using the GPG Mail plugin on my computer (Mac OS X 10.8) and can read and write mails just perfectly. Today I decided to setup PGP ...
0
votes
0answers
80 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. ...
0
votes
1answer
2k 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 ...
0
votes
3answers
4k 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 ...
19
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.
1
vote
1answer
63 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
490 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 ...
1
vote
7answers
11k 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, ...
0
votes
1answer
522 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 ...
0
votes
0answers
23 views

Can I generate the GPG key inside R2Mail2?

I just installed R2Mail2 and it seems to work fine so far, but I didn't understand the key generation procedure at the beginning. What is this key for? Is this already a new GPG key-pair I can use? ...
22
votes
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 ...
1
vote
1answer
121 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, ...
0
votes
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
0answers
810 views

Decrypting wpa_supplicant.conf on Samsung Galaxy mobiles

When I do cat on wpa_supplicant.conf file on Samsung mobiles, I see that the passwords are encrypted. But when I open the same file on LG mobiles, I can see the passwords in plain text. This is what ...
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
votes
3answers
12k 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
68 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 ...
0
votes
1answer
809 views

How do i Update my encrypted phone (CyanogenMod 12)?

I want to encrypt my phone (Xperia M). It has CyanogenMod 12 with cyanogenmod recovery. Wanted to know if I could update it the normal way, flashing through recovery, or some other way.
1
vote
0answers
65 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
74 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 ...
2
votes
2answers
4k 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 ...
0
votes
0answers
196 views

Android 5.1 encryption password gone after changing back to pattern

I've encrypted my phone (Android 5.1) after setting up a password, and it worked fine. Because I don't want to use a password for the normal screen unlock, I've changed it back to pattern. But now ...
0
votes
2answers
236 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
117 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.