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

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Encryption precautions on android

So I want to encrypt my phone and my SD card. What are the precautions should I have? What if my phone doesn't work anymore. Can I restore the data again? What should I do in order to make sure that ...
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93 views

Encrypting files in android [closed]

I am trying to develop an app in which I could give users option to encrypt files. The scenario is : Users would select files or folders to encrypt. They would be presented with a EditText Box in ...
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0answers
495 views

Is my Xiaomi Redmi Note 2 encrypted or not?

I have a Xiaomi Redmi Note 2 running MIUI 7.1.2.0 (latest OTA update, based on Android 5). I encrypted it. Then I restored to factory settings, first from the Android menu then from the recovery menu ...
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1answer
237 views

How can I decrypt or view images encrypted in Sd card, in other phone?

I had enabled Sd Card Encryption in my "HTC Desire 816 (d) phone in July 2015, after that I had taken backup of "Phone memory" in my computer, But few days back my phone got stolen. Due to which I m ...
1
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1answer
161 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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2answers
24 views

How do I safely “copy” my gpg keys from kgpg on Linux to an Android app like openkeychain?

The title says most of it. I have a key pair setup on kgpg running under Kubuntu 12.04 Linux on my notebook. My smartphone (Galaxy S3) has no SD card slot. I want to be able to transfer files between ...
6
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1answer
66 views

Global readable private keys found in storage/emulated/0/data - Possible security risk?

I found following global readable files in /storage/emulated/0/data/IMS: cert.pem private_key.pem I have full access to this files with my file-manager/text-editor, so I think any other app will ...
5
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1answer
154 views

Micro SD Card Not Detecting

I am Using a Android phone Sony Z3 (5.0 - Lollipop), the Issue is My SD Card My Micro SD Card is not detecting in mobile and PC Let me tell u clearly what i have done step by step? Encryption ...
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2answers
807 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 ...
0
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1answer
170 views

CM12.1 on Galaxy S5 in endless boot after encryption enabled, then pattern changed

As written in the title, I have a Galaxy S5 (SM-G900F) with CyanogenMod 12.1 installed ("klte"). Everything worked semifine (apart from occasional reboots), and after a while I decided to encrypt the ...
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0answers
301 views

What is the command to encrypt Android rooted phone directly from the command prompt?

I want to encrypt my Android phone which has an engineering/userdebug binary. Generally it takes around 1 hour, but I heard it can be directly encrypted it with the adb command-line tool. So how do ...
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0answers
38 views

How do I mount devices so that they are accessible by regular user?

I am using luksmanager to mount my file based luks container. It is mapped to /dev/mapper/luksfile. It works, and it works great except that only root can see the files. I successfully used this on ...
0
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1answer
146 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 ...
3
votes
3answers
4k 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
442 views

What is Marshmallow encryption protecting?

I installed CM 13.0 onto a Nexus 6, which includes Android 6.0.1, and I have set a PIN. The Settings UI reports that my phone is encrypted. However, my phone is able to boot all the way to the lock ...
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0answers
124 views

Where is stored type lock (if users have to enter a password/SIMM or a pattern)?

I'm working on source code of Lollipop. It seems the type lock (if users have to enter a password/SIMM or a pattern) is stored in a database, /data/system/locksettings.db. This database is located in ...
4
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1answer
54 views

How do I recover lost data on a damaged SD card that was encrypted by my tablet?

I encrypted my 64 GB SD card using my Samsung Galaxy tab 3. I don't know what happened to my SD card but when I turn on the tablet, instead of allowing me to use the card, I get the following ...
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0answers
64 views

Mirroring screen without booted phone

I'm a little paranoid about security. So I've encrypted my sd card and my whole phone with the android 4.2.2 encryption option. When I boot the phone it asks me for a (looong) password to decrypt the ...
0
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0answers
65 views

AccountManager: how can passwords be stored and retrieved without also storing the decrypt key?

Can the Android AccountManager be hacked and its account passwords retrieved? I mean, how is the decrypt key stored in a way that is safe from being retrieved by password-spoofing software? Is special ...
0
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1answer
99 views

My Phone Installed a Duplicate System on Top of Existing One. Uninstall How?

My phone has been randomly restarting by itself and after its last restart, the screen showed the "New Phone" setup wizard like what you'd see when you get a new phone. I went through the setup ...
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0answers
66 views

Encryption password was made invalid by changing my screen lock password

I've been using a 6-character password on my android phone for a couple of years now. It was the same password I was using for my screen lock. Two days ago, I went into my phone's settings and ...
3
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0answers
47 views

How to make Startup PIN make a loud noise

My phone unexpected rebooted itself this evening while I was cycling. This was unfortunate, because I was logging my ride with GPS, and my phone was inside a pack where I could not tell it had ...
5
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7answers
11k 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 ...
1
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1answer
133 views

How to do a factory reset on Samsung Galaxy Tab Pro 8.4?

I decided to try encryption on my Samsung Galaxy Tab Pro 8.4 wifi version just for fun. But during encryption process (somewhere at the end) it turned off the screen and hung. Anyway my tablet was ...
1
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1answer
236 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
2k views

Whatsapp encryption key location

I have an old phone (Galaxy S3 international unbrandedand) and I would like to decrypt my whatsapp backup files (crypt8, as recent as the latest backup which is always at 4 AM, I think). I've googled ...
2
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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 ...
0
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1answer
1k views

Decrypt crypt7 without key (phone was factory reset)

I have my whatsapp backup db in crypt7 format. I forgot to backup the crypt key. Now I want to decrypt the crypt7 file but not sure what to do. I have my device with me on which the file was ...
0
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0answers
307 views

How do I encrypt entire device using ADB only? (4.4.2)

I have a coolpad arise and want to do whole device encryption, the settings way of encrypting does not work and the company has yet to get back to me with anything other than to go to settings, blah ...
0
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0answers
80 views

How do I swap my encrypted SD card for a larger SD card without losing apps and data?

I bought a larger SD card for my phone that I would like to use. The instructions from this SE post explain that the process is as easy as using an SD card reader to copy all files over from the old ...
0
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0answers
75 views

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 ...
2
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1answer
435 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 ...
0
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2answers
181 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 ...
0
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1answer
10k 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 ...
4
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1answer
15k views

Merging a Crypt7 and a Crypt8 whatsapp backup

I have been searching a lot in the past couple of weeks on how to merge two whatsapp backup. Last month I got a new phone, installed whatsapp along with my old backup. During installation, whatsapp ...
1
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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 ...
1
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1answer
90 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 ...
0
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1answer
11k views

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

I am using Samsung S4. I can't remember the password i setup while encrypting it. Is there a way to unlock the device ? If it cant be unlocked how do i factory reset the device or i'll have to go to ...
2
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3answers
5k views

Decrypt folder, that was encrypted using EncFS, on Android

So this is my setup: I use Ubuntu (11.04, but this shouldn't matter) to encrypt my secret folder. I sync this folder using Ubuntu One (Dropbox would be possible too). Now I want to have it on my ...
2
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3answers
4k views

Does Android support the Exchange ActiveSync policy “Encrypt storage card”?

Without middleware, without Google Apps, does Android support the Exchange ActiveSync policy "encrypt storage card."? According to Wikipedia, Android doesn't support the ActiveSync command to encrypt ...
0
votes
1answer
37 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 ...
0
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0answers
119 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 ...
0
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0answers
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 ...
1
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0answers
29 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 ...
0
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0answers
73 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 ...
0
votes
1answer
573 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 ...
23
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2answers
4k views

What Android sync'd data is encrypted?

With the release of the firesheep plug-in for firefox it has become trivial for website browsing on open Wi-Fi networks to be hijacked by 3rd party listeners. Android offers the convenient auto-sync ...
2
votes
1answer
3k views

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

There is a semi-relevant thread on SO https://stackoverflow.com/questions/12640708/check-if-android-filesystem-is-encrypted that explains how a developer would determine if full-disk encryption is ...
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0answers
48 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.
0
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1answer
216 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 ...