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

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6
votes
3answers
53k views

How do I decrypt files on my SD card that I encrypted using the Settings?

I have files that I used to copy from my SD card to my PC using the USB Mass Storage option under the "USB connection" pop-up. I checked the flag under Settings->Location & Security->Data ...
0
votes
0answers
21 views

SD card encryption

The way Android goes about encrypting data on SD cards is vague to me. I've read about ASEC files, OBB files, /data/misc/systemkeys/AppsOnSD.sks, and keystores. I know that keys used to encrypt SD ...
-1
votes
0answers
22 views

How to Decrypt Galaxy S5 and Memory card if phone was hard reset

I am using Galaxys5 with android 5.0, My memory card and internal storage were encrypted and I forgot to disable encryption before hard reset and update. I am unable to view all of my data on memory ...
4
votes
2answers
846 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, ...
2
votes
1answer
11k views

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 ...
-2
votes
0answers
61 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 ...
2
votes
2answers
2k views

How do i Update my encrypted phone (CyanogenMod 12)?

I want to encrypt my phone (Xperia M). It has CyanogenMod 12 with cyanogenmod recovery. Wanted to know if I could update it the normal way, flashing through recovery, or some other way.
1
vote
2answers
5k views

Phone will not let me ENCRYPT

I want to encrypt my apps and personal data, such as passwords to email etc. If I have factory reset my phone (GS2sprint) and it is fully charged (over 90%) and plugged in. So I went to ...
0
votes
0answers
54 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 ...
-1
votes
0answers
17 views

Disable sound notification for the encryption password screen

When my encrypted phone boots, it starts making a knock-sound when i do not enter my password. The sound does not stop, until i turn off the phone or enter the password. Is there any way to mute it?
5
votes
4answers
3k 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 ...
1
vote
1answer
155 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, ...
-1
votes
0answers
81 views

TWRP 2.8.6.0 fails to decrypt phone. Factory reset an encrypted phone

I got a big problem. Got an encrypted and rooted OnePlus One running Android 6.0.1. When I want to reboot into recovery I have to enter my pattern to decrypt the phone, but although I enter the right ...
0
votes
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 ...
0
votes
2answers
18 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
votes
1answer
46 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 ...
1
vote
2answers
331 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 ...
3
votes
2answers
3k views

How to make full backup of encrypted Lollipop Nexus 5 device?

This guide describes how to make full backup of whole memory block. My N5 is encrypted with Android 5.0. As far as I understand new mechanism, it envolves dependency on some external data taken from ...
0
votes
1answer
49 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 ...
1
vote
0answers
75 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 ...
1
vote
0answers
24 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
votes
1answer
69 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
0answers
198 views

TWRP: “E: Unable to mount storage” after encrypting phone

I get E: Unable to mount storage error in TWRP after encrypting my phone. CyanogenMod 12.1 ROM (based on Android 5.1.1, my phone is HTC One M7) in use, CM uses AOSP encryption that is supported by ...
3
votes
3answers
2k 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
118 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 ...
1
vote
0answers
78 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 ...
0
votes
1answer
1k views

Es File Explorer forgotten password

I have encrypted files with es file explorer and I forgot the password of it. The extension of locked files is .eslock . Is there is any possible way to get the files unlocked. Thanks in advance
3
votes
1answer
35 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 ...
0
votes
0answers
39 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
votes
0answers
32 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 ...
1
vote
1answer
93 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 ...
1
vote
0answers
43 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 ...
2
votes
2answers
7k 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 ...
3
votes
0answers
27 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
votes
8answers
9k 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
vote
1answer
84 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
vote
1answer
152 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 ...
0
votes
0answers
94 views

Android 4.4.4 lenovo a6000 plus. Apps Not working post encryption

I encrypted my lenovo a6000 plus (with android 4.4.4). Most of the apps (the ones which were installed by me from play store and not pre-installed) are not operating now showing the following error: * ...
1
vote
0answers
567 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
votes
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
votes
1answer
310 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
votes
0answers
120 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
votes
1answer
10k 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 ...
9
votes
0answers
582 views

How does Samsung implement SD card encryption?

My android device just stopped working. I still have my SD card, but all data in it is encrypted. Encryption has been performed at file level, so I have the directory structure and filenames in plain ...
0
votes
0answers
61 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
votes
0answers
60 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
votes
1answer
214 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
votes
2answers
95 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 ...
4
votes
1answer
14k 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
vote
1answer
25 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 ...