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

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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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0answers
10 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
122 views

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
68 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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1answer
46 views

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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0answers
51 views

Howto encrypt my external SD card

Today I encrypted my android phone. Now I want to encrypt the external SD card as well. When I open System settings > Security, I don't see an option to encrypt the external sd card. I'm on Android ...
0
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1answer
124 views

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
35 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 ...
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0answers
74 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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0answers
15 views

Unencrypt my droid bionic

Does anyone know how to unencrypt files on a Verizon Droid Bionic? I have encrypted files on my phone and would like to see what they are.
1
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0answers
43 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 ...
2
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1answer
1k 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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0answers
61 views

LUKS Manager mounts directories as root on CyanogenMod 10.2

I have a Samsung Galaxy S3 I9300 running CyanogenMod 10.2 and I am using LUKS Manager to mount an encrypted volume. However, I can only access my volume from the X-plore file manager with root access ...
1
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1answer
48 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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0answers
83 views

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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0answers
30 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 / ...
4
votes
0answers
100 views

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 ...
0
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0answers
711 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 ...
2
votes
1answer
290 views

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 ...
0
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0answers
232 views

Samsung Galaxy S3 - Decrypting damaged SD Card (not factory reset)

I've searched a lot of threads, but this situation seems to be different than most. My Samsung Galaxy S3 has an encrypted SD card. The card used to mount and work just fine - then one day it ...
0
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0answers
138 views

How do you unlock phone after encrypting if you've never set a character password?

I have a Moto X. It was connected to my Google account, and set up with NFC unlock, with a pattern code backup. I never had a character password. When I clicked the "Encrypt" button under security ...
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0answers
89 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 ...
0
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1answer
59 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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0answers
44 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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0answers
1k views

Type password to decrypt storage

I'm receiving this message when I boot my Galaxy S4 and I cannot use it: Type password to decrypt storage I haven't encrypted anything and I don't know why I'm receiving this message. Is there any ...
0
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0answers
36 views

Emergency call only after encryption

I encrypted my Galaxy Tab 3, since I did it I haven't been able to access the phone. It shows emergency call icon on the screen but nothing else fuctions. I can receive calls but can't make calls. I ...
2
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1answer
197 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
69 views

Hoq do I create a new jabber account in ChatSecure?

When I enter a New account in Chatsecure there is no option to create that New account NOW. Is it possible to create a New account whithin Chatsecure?
2
votes
0answers
87 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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0answers
246 views

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 ...
1
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1answer
220 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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0answers
69 views

SD Decrypt process Interrupted on Note 2

Running NOTE 2 GT-N7100. Stock ROM not rooted. Enabled full device encryption and SD encryption a couple of month back. Today decided I wanna decrypt the device (process went successful) and then ...
0
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1answer
43 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, ...), ...
2
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1answer
128 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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4answers
2k 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, ...
1
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0answers
263 views

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 ...
1
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0answers
71 views

What file level function is used to read/write SQLite database file [closed]

I am working on some sort of implementation for SQLite file encryption in Android devices. I would like to get some info about the low level function inside the SQLite source code (Amalgamation ...
0
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2answers
476 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 ...
3
votes
5answers
428 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 ...
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0answers
100 views

Device encryption and broken screen

Assuming you have a device that is encrypted by the factory encryption option in the security settings of the device, and having said device suffer a fall and end up with a broken screen, what are the ...
0
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0answers
794 views

Samsung Galaxy encryption failed

I updated my GT-19100 Phone to 4.1.2 Jelly Bean from the previous version. For this venture it was necessary to decrypt my phone first. After the update I started again an encryption. The process ...
1
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0answers
73 views

Android - Exchange encryption - SD card 'damaged'

Mrs has a HTC One S, asked me to set up her work email on exchange. No problem. Got to the device admin-security policy part; a little bit surprised by requesting encryption & pin lock but what ...
0
votes
0answers
44 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 ...
1
vote
1answer
121 views

How do I keep my email and passwords secure without full-device encryption?

I bought a cheap, no-name Android 4.1.1 tablet a while back, and was dismayed to find that the "Encrypt Data" option was simply not present in the "Settings" -> "Security" menu. I then upgraded to a ...
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votes
1answer
200 views

Why/ How do some manufacturers remove the Encryption option? [closed]

I've owned two Android tablets now - one a no-name cheapo device (running 4.1.1); the other a more mainstream Asus Memopad HD 7 (4.2.1). Neither have had the "System" -> "Security" -> "Encrypt Data" ...
0
votes
0answers
72 views

i can't play my video files due to previous encryption

I have a samsung galaxy note N7000, i encrypted my files but then i needed to factory reset my phone. after the reset all my files is ok since i remove the external sd but all the files in the sd cant ...
4
votes
0answers
490 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 ...
6
votes
3answers
962 views

Use custom lock screen on encrypted Jelly Bean device

I recently enabled encryption on my Nexus S running Android 4.1.1. I'm aware of all the benefits and drawbacks, and device encryption is definitely something I want. It's currently working fine. ...
0
votes
1answer
87 views

R2Mail2 - GnuPG encrypting email to a different email address than in the public key

I have a friend's public key with the associated email address bla@bla.com. I would like to use the key to send an encrypted email to the email address not@not.com. Is this possible in R2Mail2 for ...
5
votes
1answer
251 views

Performance impact of device encryption

As far as I know, most or all Android devices don't have any hardware cryptography accelerators, so the block-level storage encryption happens on the CPU. How high is the impact of encrypting and ...