28 votes

Why encrypt the device?

over a simple password screen lock: nobody can take the internal memory of my phone out of the phone itself. So what is the advantage of 1. over a simple screen lock with password + SIM code lock? ...
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  • 23.5k
26 votes

Why encrypt the device?

nobody can take the internal memory of my phone out of the phone itself While taking out your phone's internal storage out is harder than the SD card, it's definitely not impossible. Rework stations ...
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21 votes
Accepted

How can I find out if my device uses FBE or FDE?

There are three ways to identify which encryption type is used: Identification by device behavior As a user you should be able to identify what encryption scheme is used by the behavior of your ...
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  • 15.8k
14 votes

Removing encryption from recovery

The answer for me involved a number of things, but I think one is really the key. Use the "recovery" Command, bro This uses CyanogenMod's/AOSP's recovery program to wipe the user data and disable ...
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  • 2,492
14 votes
Accepted

Is it possible to mount on a PC an SD card that has been encrypted by an Android Marshmallow device?

Marshmallow has two ways to treat the external SD card : Portable Storage : In this the entire memory of the ext.SD card is available for use, if it is not encrypted (natively) and you can mount it ...
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  • 37.9k
13 votes

Mount Android encrypted data partition on PC

I can confirm with 100% certainty that the numbers are indeed 1-9 for the pattern unlock. My Nexus 4 met the same unfortunate end (except on concrete) and after some Googling, I found this post and ...
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  • 131
12 votes

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

On Oreo 8.0.0 Settings → Security & Location → Encryption & Credentials & it shows phone encrypted Better method Using adb command adb shell getprop ro.crypto.state ( works on unrooted ...
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  • 37.9k
11 votes

How to change encryption password - Android 5.0

Your encryption password is the same as the pattern/PIN/password you use to lock your screen. So simply go to Settings > Security > Screen lock and change it. Note that when you do this Android will ...
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  • 211
11 votes

Removing encryption from recovery

On my Moto G 3rd Gen (osprey), neither calling recovery nor wiping LUKS header (at start and end of partition) worked - I still needed to enter the encryption password during Cyanogen Mod bootup, then ...
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  • 111
10 votes
Accepted

Does full device encryption protect my data from Google and the government?

Google has no idea what the encryption key for your device is. The entire process takes place on your device and the key is never transmitted anywhere. The key itself is also not stored in plaintext ...
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  • 36.5k
10 votes
Accepted

Is wireless adb encrypted?

Interesting question, let's just try it out in a practical test. I connected to my device (running Android 5.1.1 Lollipop) through ADB over Wi-Fi using adb connect 10.0.0.10 and ran some tests. What ...
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  • 423
9 votes
Accepted

Mount Android encrypted data partition on PC

Apparently there is no tool on PC to decrypt Android's encryption at the moment, but the TWRP recovery can be used on the device to decrypt everything... Even with a broken touchscreen, as long as ...
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9 votes

How to decrypt the corrupt SD card formatted as internal storage?

Even it does not fully answer the question, here's a guide to decrypt the external storage formatted as internal. You do need to be root on your phone, however. The gist is that we search for strings ...
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8 votes

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

Same place where you start the encryption: In (I am on 4.3) Settings -> Options -> Security, the first entry will report the status and offer decrypt (if encrypted) or encrypt (if not).
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7 votes

I encrypted my phone (samsung S4) of which i dont remember the password. Need help to unlock it and save the data

Master reset with hardware keys Turn Off the Device Press and Hold the Volume Up, Home, and Power Button When the phone vibrates release the Power Button, but continue to hold the other two When you ...
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7 votes
Accepted

No "Encrypt Phone" option on Android 7.0 Samsung Galaxy S7

Thanks to Samsung non standard implementation, OP couldn't factory-reset and encrypt before selling. They couldn't : Check if the device was encrypted Locate the option for encryption Steps advised :...
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  • 37.9k
7 votes
Accepted

Attempting to brute force Android security pattern through TWRP via adb

After a while I figured out what the problem was, with a freshly flashed phone. Here I'll be answering my own question. Does the twrp decrypt command output something else when decryption succeeds? ...
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  • 261
6 votes

How do you encrypt your device running CyanogenMod 12.1?

There are low(er)-level commands that can be used in a shell to encrypt your user data partition. Disclaimer/Warning: the following instructions will wipe your data, ensure that you make a backup if ...
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  • 1,552
6 votes
Accepted

How to get Adoptable SD card encryption key with root access?

There's some interesting pointer found in Decrypting Android M adopted storage (emphasis mine): Android M allows for adoptable storage, which is implemented similarly to internal storage FDE -- ...
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  • 89.1k
6 votes
Accepted

Decrypting microSD card on another Android device or desktop computer

I don't know of any GUI solutions that fit your needs but can share something about working CLI solutions. DISK ENCRYPTION: external microSD card is not merged with the internal storage You are ...
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  • 17.6k
5 votes

How can I access data (such as WiFi keys) in an encrypted Titanium backup?

I have found a working solution on GitHub: https://github.com/phyber/TiBUdecrypter 1. Install/upgrade dependencies (on Ubuntu) apt-get install python2.7 pip install --upgrade docopt pip install --...
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5 votes

Does encryption, factory reset, encryption make a safer used phone?

Factory-resetting twice is pointless. The first factory reset will already wipe all user data: the second won't delete anything that wasn't already deleted by the first. Encrypting the device is also ...
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  • 34.4k
5 votes
Accepted

K-9 Mail not working with Openkeychain

Apparently on the "Accounts" screen, one has to long press the account. Menu will pop up. Click on "Account settings". Another menu will pop up. Click on the "Cryptography" item at the bottom. ...
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  • 66
5 votes

Removing encryption from recovery

Provided that you're using TWRP or similar. reboot to TWRP (enter password), and make a backup of Data partition to external SD or OTG Drive reboot to TWRP (cancel password), and format Data ...
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5 votes

How to disable device encryption?

The only way to remove encryption on a previously encrypted Android device is to perform a full factory reset. This means wiping out everything, including contents of the /sdcard partition and losing ...
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  • 19.3k
5 votes

How do you encrypt your device running CyanogenMod 12.1?

For me, the original answer did not work as expected. It looked like it encrypted successfully, but the UI came back very quickly and the "Encryption" setting did not show that the devices was ...
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5 votes

How to encrypt full device on Android Nougat?

Head to Settings > Security > Screen Lock and tap your current screen lock. If “require PIN to start device” is an option, you’re running full-disk encryption. If you’d like to convert to file-based ...
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4 votes

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

Decrypting the device and bypassing the lock mechanism are completely different things. The request for the PIN code/password in the standard lock screen occurs AFTER the device has booted. It is ...
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  • 41
4 votes

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

I don't need your password to access your data. I can disassemble your device or put into special mode that allows direct access. If your data is not encrypted I can pull your drive and connect to my ...
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  • 41
4 votes

Do I have to backup Titanium Backup's keys?

As @Dakatine hints, the master key is pre-pended on the file, which is then concatenated by encrypted content. I didn't bother researching the TB_ARMOR_V1 file format, because someone already has ...
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  • 141

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