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

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2answers
14k 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 ...
0
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0answers
89 views

Phone asking for text-box password when use pattern after encrypting

I just encrypted my Moto e 2nd generation LTE running cyanogen mod 12.1, I rebooted to test it and it was just fine but now it is asking me for a text password which I don't understand! Please can ...
12
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0answers
377 views

Canonical explanation of Android Encryption and Vulnerabilities

Note: Well, the bounty expired and one possible reason could be effort required to address as I gather from comments. Seeing the number of upvotes, it appears to be of interest to others as well. I ...
13
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2answers
635 views

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

Apple recently made waves within the tech community by refusing to comply with law enforcement in regards to accessing encrypted user data. Their statement was that they do not have the technical ...
3
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0answers
784 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 ...
6
votes
3answers
67k 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 ...
1
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0answers
46 views

Trim not supported in data partition?

I have a rooted Lenovo a369i. I use lagfix(fstrim) to trim partitions. Previously it was working well with /data but after I encrypted my phone it doesn't. I decrypted my phone by formatting. But now ...
1
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0answers
66 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 ...
4
votes
2answers
1k 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
12k 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
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0answers
103 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 ...
0
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0answers
621 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
vote
1answer
375 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
vote
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, ...
0
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2answers
28 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
68 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
votes
1answer
184 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 (...
1
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2answers
1k 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
votes
1answer
183 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
425 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
41 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
178 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 ...
4
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
487 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
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0answers
141 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
votes
1answer
59 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 messages....
0
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0answers
75 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
81 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
votes
1answer
100 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
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0answers
77 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
52 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 ...
1
vote
1answer
147 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
252 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 ...
1
vote
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
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
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0answers
341 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
87 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
77 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
479 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
204 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
votes
1answer
11k 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 this?...
4
votes
1answer
16k 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
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
vote
1answer
101 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
votes
1answer
12k 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
votes
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
39 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
125 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 ...
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0answers
31 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 /...