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

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Unlock encrypted Android from ADB

I have the following problem: Somehow, this evening the touchscreen of my Sony Xperia Z broke. I have two thin cracks in the display and everything on the right side of the crack does not react. I ...
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3answers
25k 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 ...
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2answers
1k views

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

I recently purchased a used Moto X. I know the person I bought it from so I'm not terribly worried but here is my idea to shore up the security on a used device. Don't put in your SIM card or log ...
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1answer
5k views

How can I use Public Key Authentication for SFTP in ES File Explorer?

I want to use SFTP to transfer files from Android to a Linux box using Public Key authentication rather than a traditional user name and password. Ideally I would like to use ES File Explorer (as I ...
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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 ...
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1answer
844 views

Where is my TWRP backups on encrypted Android?

I encrypted my Android tablet which is a nexus 7. After that I did couple backups. Today I wanted to see the size of the total backups so I open the TWRP folder on my sdcard. There is nothing there. ...
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1answer
591 views

Encrypting Nexus 7 vs. screen lock

I read in this article that a non-encrypted tablet with only screen-lock on can have data read through USB. Is this really true for example for a Nexus 7 tablet? I mean - if I lock the screen you can'...
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1answer
530 views

Change Input Method without unlocking the phone?

Recently, I've installed a WiFi Keyboard application to my Android phone. This way, since both the phone and my computer were connected to the same WiFi network, I could access the phone's keyboard ...
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0answers
91 views

Decrypt Samsung S2 files?

My Samsung S2 just went dead with the encrypted SD Card in it and I found out that KIES didn't backup that memory. The phone was repaired but now I cant read the files on the SD. Anyone out there who ...
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5answers
17k views

How to enter password for decrypt without system keyboard on android

I was trying to release some internal memory on my CUBOT GT-99, so I started disabling some system apps using one rooted app. One of apps I was disabled is system keyboard because I don’t use it ...
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1answer
181 views

How to decrypt storage for s4

How to decrypt storage for Samsung S4, there a password that I never do before, so how can I find the password, because I never make a password for decrypt storage before.
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3answers
13k 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
178 views

Recovering data from broken android phone which is sent for replacement

Sent broken android phone to Sony customer care for replacement. I had the device encrypted with a 4 digit numeric pin. I erased it. I found when searching on Google that data can be recovered easily ...
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2answers
7k views

How to encrypt android device without screen lock? [duplicate]

I want to encrypt my phone to protect sensitive information. But I do not want to enter a password every time I pick up my phone. That seriously hampers the usability. Particularly because the ...
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3answers
2k views

Will encryption encrypt my “internal sdcard” (personal data)?

First, a note. This question stems from the big confusion that are terms like internal storage, internal sdcard -- at least to me -- and the fact that factory reset, which claims to "erase all data ...
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2answers
649 views

Sony Z1 Compact: will encrypting my phone disable the camera button?

I just bought a Sony Z1 Compact with Android 4.4. It has a special camera button on the side. When the phone is off, you can press this button for a longer time, and the camera apps opens directly, ...
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1answer
95 views

Encrypted Android phone - sharing files

I am using Sony Xperia M with Android version 4.3 (Jelly bean) with official update. Android allows me to encrypt my files. You can get this menu: Settings --> Security --> Encrypt phone. Now I want ...
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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)? ...
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2answers
2k views

Recover data from encrypted SD card

I have an HTC Butterfly phone and what I did was I ordered a new SD card with much larger memory. I had my previous card encrypted already and took that out and inserted my new card in. The phone ...
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1answer
556 views

Upgrade with encrypted storage

I would like to upgrade my cyanogenmod to the latest M build. but my storage is encrypted, so i guess this will lead to some problems. First of all i cant even seem to make a backup with CWM.
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1answer
1k views

Longer disk-encryption passwords on Samsung Galaxy S5?

I'm trying to encrypt my Samsung Galaxy S5 (AT&T) and it only allows me to use a 16-character passphrase for my encryption key. Is there a way to bypass this or change the encryption key to ...
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2answers
6k views

How to fix a black screen (bricked) after rooting an encrypted device

Phone: Samsung Galaxy S3 (GT-I9300) Per work policy to add an exchange account I had to encrypt my phone. After doing so, I needed to root it to create a swap partition as it was constantly running ...
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1answer
157 views

How to remove a decrypted Androis 4.1 phone?

I tried out encrypting the phone, but now I want to decrypt it, so I can use again pattern to unlock. How can I do this without resetting the phone?
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3answers
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Password protected video

I want to protect my instructional video with a password. There is a use case. When a user wants to play an encrypted file (update: file located on user's android device), the encrypted file will ...
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1answer
2k views

How to do reset/wipe on galaxy nexus with encrypted data

My galaxy nexus, rooted, open bootloader, was running cyanogen mod 10.2 with encrypted data. I tried to wipe and sideload 11 maguro onto it, and install hung on fixing fs_size in crypto footer. On ...
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Which android devices have optimized encryption hardware?

I've been using a Nexus 5 for a while and using FS encryption. Apple's iOS Security document states that: Every iOS device has a dedicated AES 256 crypto engine built into the DMA path between ...
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2answers
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Cyanogenmod: Encryption unsuccessful

I encrypted my phone. That worked fine. Then I installed another version of Cyanogenmod. This cannot decrypt the data (which is OK: There is no important data on the phone). It tells me to perform a ...
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1answer
922 views

How do I mount an existing Truecrypt container on an AOSP rom like Cyanogenmod?

I have an existing Truecrypt container (AES encryption), how do I mount it on my AOSP rom? I have already downloaded Cryptonite (which contains Truecrypt in command-line form) but I'm not sure what I'...
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412 views

Can you change the runtime on an encrypted phone (KitKat)?

Nexus 5 owner here. Basically, I encrypted my phone a while back while on Dalvik Runtime and recently wanted to give ART a try again (to check app compatibility). The problem is that when I set ...
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396 views

Access encrypted internal storage without touch

Is there a way to access the encrypted internal storage without using the display? I damaged the display of my nexus 4 (Android 4.4, cm-11-20140104-SNAPSHOT-M2-mako) and need to access the encrypted ...
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2answers
5k views

CyanogenMod delete WhisperPush account

This question is about the new WhisperPush-feature in CyanogenMod-ROMs: http://www.cyanogenmod.org/blog/whisperpush-secure-messaging-integration Prerequisite: Me and a friend of mine have both ...
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1answer
163 views

How do I know I'm entering my password in the real decryption prompt?

I have a Nexus 4 phone with full-device encryption. As I took it out of my pocket, it was displaying the "Type password to decrypt storage" screen. Presumably it had crashed in some way and rebooted, ...
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How to set a better encryption password

How would I go about setting a stronger password for disk encryption on my android device? I had set a PIN already before enabling full disk encryption, and it proceeded to use that PIN as the ...
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2answers
161 views

Any way to auto-update cyanogenmod with encryption enabled?

I've been enjoying cyanogenmod a lot, but the auto-updates don't work, since I encrypted the phone. I'd like to have both, if possible, even if there's a bit of work involved. Is there any fix / ...
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1answer
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SIM Card not detected after encrypting device

I have a Samsung Galaxy Pocket Neo (Model GT-S5310B) running Android 4.1.2 The device is not rooted and the update notifier tells me I have the latest available version installed. Today I tried ...
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2answers
48k 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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1answer
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How can I read the chat logs from WhatsApp messenger on my Windows machine?

How can I copy over the whatsApp chat messages to a text editor? Are there any specific files I need to copy? I don't care for the media files, I just need the transcript of chat. I am using the ...
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1answer
1k views

Android Encryption porting

I'm currently trying to enable the full disk encryption in Android on my custom board. Some informations: The /data Partition is the 4th Partition on my SD Card. after the /data Partition there is ...
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1answer
113 views

Can an encrypted Android phone be unlocked with an USB drive some way?

I want a fast way to login to the system without entering difficult credentials. If the usb key is not present there won't be the ability to decrypt the system ... Some 2-factor solution without NFC ...
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126 views

How to boot an encrypted S2 after Wipe without being asked for the encryption password which is no longer accepted?

On my encrypted S2, I started to install CM following these instructions. Rooting the phone worked fine. But after I wiped it from the Volume-up/home/power-key console, I was not able to locate the ...
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1answer
858 views

How do I connect to a jabber.org account with Chatsecure?

When I set up my jabber.org account in Chatsecure it doesn't connect. Another account on jabber.ccc.de works.
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0answers
250 views

Can PIN lock be disabled/enabled via Secure Settings with full device encryption?

I use Tasker and Secure Settings to enable/disable PIN lock based upon connections to select WiFi and Bluetooth devices. I've recently unlocked the bootloader and rooted my phone. I would like to ...
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adb restore not working for shared

I have a Nexus 4 with Android 4.4.1 … I've read that we could root it without wiping the data … well didn't work for me! I wasn't scared, because I made a full backup using: adb backup -apk -...
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1answer
424 views

After activating the device encryption on my S2 running CM 10.2 nightly, my CDMA radio stopped working

I have a Samsung Galaxy S2 (Sprint, codename d710), and I just installed the latest CM nightly (10.2). Everything worked until I encrypted the device. Now the radio doesn't work (network: UNKNOWN, no ...
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1answer
69 views

Client-side encryption of messages across apps

Is it possible to encrypt any message (part) across apps? I'd want client-side encryption using pgp keys (asymmetric public/secret) integrate into multiple apps (like WhatsApp, GoogleTalk, ...), ...
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1answer
780 views

Why isn't there any encryption application on GSM calling?

I just wondering the reason why there is no encryption tool for GSM calling in android. Is it legal or technical problem? Thank you
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8answers
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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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0answers
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Decrypt encryptes Android Phone (MIUI 4.2)

I've encrypted my Phone because of my organization's policy. Unfortunately the device is a bit slower and moreover I am not able to update ROMs anymore. I do have root access and my device is running ...
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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 ...
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9answers
12k views

Device encryption fails, but no error

I am trying to encrypt my android device (Samsung S3, Modified 4.1.2). I have set a password and made sure my device is plugged in and charged over 80%. When I select the encryption option, the ...