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

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Samsung T-805 encryption problem

I'm trying to encrypt the SD card on my Samsung Galaxy Tab S SM-T805 which has Android 5.0.2 onboard (also rooted). I keep getting the error: 'Error encrypting SD card. Unable to mount SD card. To ...
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2answers
169 views

Does Android locally encrypt your fingerprint?

I got myself a Nexus 6P with a fancy fingerprint scanner. So far I'm a bit reluctant to use it because I can't find any info on how Android Marshmallow stores those fingerprints. Are they hashed (as ...
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1answer
28 views

will win 7 ask for password to sync files

I have an Android phone. It is encrypted. It has a password to login. I connected this to a Windows 7 computer. It shows it's connected as a media device. Was wondering if Windows 7 computer can ...
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1answer
85 views

Can't decrypt internal memory; no hard reset available

I have an LG Access (LGL31L) (Tracphone) running 4.2.4 that I recently rooted using towelroot. The phone's memory is encrypted, and after getting somewhat over-zealous with the new root access I ...
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1answer
36 views

Chromium: Option to save passwords and change encryption greyed out

I am using Chromium build 353428 on PacROM 5.1. After signing in with my Google account, I tried to set a separate sync passphrase (using instructions given here). However, when I click on my account ...
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118 views

Xperia E4 - no sim card after encrypting SD card

I have a major problem with my Xperia E4, it doesn't read SIM anymore. I believe it was caused by SD encryption. A few months ago I encrypted my phone, I didn't have SD card at the time. Everything ...
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2answers
682 views

Mount Android encrypted data partition on PC

My Nexus 4 screen met a tragic end due to violent contact with flooring tiles. Everything works except the touchscreen (which displays fine but does not react to touch any more). I would like to get ...
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25 views

Full encryption of a singe purpose device (e.g barcode scanner )

How could we run a single purpose device with high sensitive date on Android 4.4 or later, with full disk encryption and have it unencrypted and unlocked only after entering the device password only ...
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27 views

Is the /data dir encrypted when android encryption is enabled?

I am interested to know if the /data dir is encrypted when android encryption is enabled? Specifically, I have an app that utilises a native shared object library I believe this file resides in ...
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69 views

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 ...
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1answer
534 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 ...
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1answer
403 views

Internal SD card accessible through PC even after encryption

I recently bought a OnePlus Two. The first thing I did after getting the new phone was a full encryption under security settings. But even after that, the files in my internal SD card, such as ...
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46 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.
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1answer
130 views

Is there cryptsetup android binary

One thing I badly need on android is support for opening Luks volumes. Is there a cryptsetup / cryptfs binary so, I can execute it from terminal on a rooted phone to mount luks volumes. Please donot ...
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1answer
215 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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43 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 ...
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1answer
486 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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56 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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1answer
125 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 ...
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5answers
5k views

How do you encrypt your device running CyanogenMod 12.1?

CyanogenMod 12 and 12.1 'Encrypt phone' setting is broken, and has been for quite a while. Is there any way to encrypt the phone in some other fashion? Can CM be sideloaded onto a phone with an ...
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1answer
222 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 ...
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0answers
127 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, ...
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1answer
467 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 ...
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97 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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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 ...
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270 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). ...
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1answer
3k 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 ...
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1answer
116 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

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, ...
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116 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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36 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 ...
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87 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 ...
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1answer
100 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
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268 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 ...
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186 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
231 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
309 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 ...
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1answer
65 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? ...
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1answer
478 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, ...
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1answer
9k views

My HTC desire C says 'type password to decrypt storage' and I can't remember my password

I got a new phone and am trying to sell my old HTC desire C with beats audio. When I turn it on it says 'type password to decrypt storage' but I can't remember my password, any way I can overcome ...
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1answer
92 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 ...
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0answers
139 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 ...
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1answer
157 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 ...
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151 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.
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1answer
607 views

Using PIN instead of a password for encryption on Galaxy S3

I have a Galaxy S3 with OS 4.4.4 and am required to encrypt it for my job. I greatly prefer to use the PIN lock screen instead of the password due to the annoyance of having to type in the password ...
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2answers
13k 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 ...
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1answer
180 views

How can I decrypt my photographs on the SD card?

My Samsung Galaxy S3 crashed suddenly and I had to take my SD card out to fix it. After I got it back and put my SD card into it, I realized that the data which was encrypted on my SD card (photos ...
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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 ...
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1answer
251 views

Does android encryption encrypt free space?

The situation is that I used wipe without encrypting first so that people can still recover data. If I now encrypt and then wipe, will the free space also get encrypted so that no one can recover ...