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

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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
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0answers
15 views

Lock/sign Android OS from being changed

I want to set up an Android device in a way that all data is encrypted and the OS cannot be changed. I thought about fully encrypting all files including the system partition (like BitLocker). ...
-3
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0answers
33 views

Password.key any way to read?

I was wondering if there is any way i can read password.key password.key is located under data/system/ and it holds the value for the pin you enter when you switch on the phone. As i thought it ...
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vote
1answer
68 views

Online Nandroid Backup and later restore of an encrypted Android L 5.1 device

I am using an Android One phone with rooted Android 5.1 and the Online Nandroid Backup application to do live (o)nandroid backups. I am also using the built-in encryption, which encrypts the /data ...
0
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0answers
12 views

Has all my data really been deleted from my HTC? [duplicate]

I recently sold my HTC One A9 to a mutual friend. It had been upgraded to Android Marshmallow 6.0.1 so I was using the HTC on that for a while. Before I sold it, I did around 3 factory resets to ...
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3answers
3k views

Removing encryption from recovery

I'm running CyanogenMod 12 nightly on my G900T (klte). Everything works great except for the default encryption password, which causes my phone to boot loop. I've formatted data and done factory ...
2
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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.
0
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0answers
23 views

Device Encryption Fails, but no error too

I have the same problem as mentioned in this thread: Device encryption fails, but no error I have a Samsung Galaxy S5 Mini (4.4.2) and every time I try to run the encryption, it reboots with no error ...
0
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0answers
71 views

Password not working / changes after update from COS 12.1 to Cyanogen OS 13

I've encrypted my OnePlus One a long time ago. Now I want to perform the update with the new released Cyanogen OS 13. The problem is that the phone don't want to validate the password from the ...
2
votes
3answers
135 views

How is it that I don't need to enter my password to decrypt my phone?

I understand that my Android phone is encrypted, however I never input any password to decrypt the phone. If the key is stored in some hardware component but is automatically retrieved every time my ...
0
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0answers
20 views

Encryption key of android

Is it ever possible to get a backup of my Android smartphone's decryption key (I have my /data partition encrypted) in case something goes wrong? My phone is rooted. I have Galaxy Note 4 SM-N910C.
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0answers
23 views

Recover adobtable storage

I recently had issues with my phone, so I formatted the data storage through recovery to reset it to factory settings. I was using the "Adoptable Storage" feature from Android 6, but now I can no ...
1
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2answers
6k 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
1answer
241 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: * ...
2
votes
2answers
3k views

K9-Mail does not detect PGP encrypted mail automatically

I have a bit of a problem with PGP and K9-Mail on my Galaxy S3. I'm using the GPG Mail plugin on my computer (Mac OS X 10.8) and can read and write mails just perfectly. Today I decided to setup PGP ...
2
votes
0answers
39 views

Mounting encrypted partition from PC - is there anything I can do?

Okay, so basically I have the same problem identified here, except instead of a broken screen, I accidentally broke the UI with this bug. And all I want to do is mount the encrypted partition so I ...
4
votes
1answer
255 views

How do I enable Direct Boot feature on Nexus 6 running Android N Preview 1?

According to these instructions there should be a "Convert to file encryption" option in Developer settings, but it's not there on my Nexus 6 running stock N Preview 1. When I try to search for it in ...
0
votes
1answer
45 views

My device is encrypted. Does flashing a new software ruin it? Can I get the decryption key of my device?

I have Lollipop 5.11 (Note 4), and I have the device encrypted. Will flashing CWM or TWRP or a new software (like Marshmallow) ruin my phone? I would like to add the device is still not rooted. ...
0
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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 ...
0
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0answers
29 views

Change android full-disk encryption algorithm

I've recently managed to get data on my device encrypted. However, after I learn that Android full disk encryption uses dm-crypt underneath I've decided to go a bit futher and replace default ...
1
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0answers
49 views

android boot with forceencrypt take a long time [closed]

building cm-13.0 for oneplus bacon here. i want the rom to encrypt on first boot. so i changed the flag in Android fstab file.(device/oneplus/bacon/rootdir/etc) from encryptable to forceencrypt ...
0
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1answer
34 views

Android Encryption

If I encrypt my phone i know it will protect my data, however if for example my phone is stolen or lost, the person with it, would they be able to just hard reset it and use it or resale it, or ...
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0answers
31 views

Can I use encrypted phone as a means of secure storage?

I have an encrypted Android phone. Can I mount this device to my computer and save files to it as a means of secure storage?
5
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0answers
31 views

Android 5.0 FDE stopped asking for password during boot

The settings still says encrypted, but it no longer asks for passwod during boot. Lockscreen password is still there. How did this happen (bypassing encryption)? Google search indicated this is not ...
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1answer
67 views

Can I generate the GPG key inside R2Mail2?

I just installed R2Mail2 and it seems to work fine so far, but I didn't understand the key generation procedure at the beginning. What is this key for? Is this already a new GPG key-pair I can use? ...
2
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3answers
266 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 ...
2
votes
3answers
1k 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 ...
1
vote
2answers
150 views

Hide media on external sd card, lollipop and above

I want an app that can hide/encrypt selected pictures and video on the external memory card without moving them to internal storage where space is at a premium. This is the problem with Keepsafe and ...
1
vote
1answer
262 views

Android Marshmallow encryption of external SD card

When I use adoptable storage on my device, then my SD card will be encrypted. Is there a way to get the "encryption key" with root access? So if my phone dies, I can still retrieve my data from the ...
38
votes
3answers
3k views

Encrypt the phone's internal storage

Is there a way to encrypt my phone's internal memory, in the same way you would encrypt a computer's partition? Ideally, the phone would always ask for the password when booting, and even if someone ...
21
votes
3answers
4k views

How do I secure/encrypt SD card data transparent to apps?

Are there any off-the-shelf options for securing the contents of an SD card so that files written by apps writing to SD are encrypted? If so, what is the best option? I'm looking for something for ...
3
votes
1answer
85 views

During Android Encryption, I lost my device keyboard and OS ask me to enter password?

I have Android phone with OS version 4.4, I start encrypt my phone and it started very well. After an hour and restringing several time the device prompt me to "Type password to decrypt storage". Her ...
2
votes
5answers
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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 ...
0
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0answers
77 views

How can I enable encryption on Android 5.1 if setting not available in Settings > Security?

I have Android 5.1 I have been reading that it is possible to enable encryption of the disk. It seems my phone manufacturer has removed or hidden this option in my phone.
3
votes
0answers
280 views

decrypt data-partition in twrp

I messed up my phone trying to get open-gapps working on CM 13. I can't even get into my OS only into recovery mode. I tried flashing several CM-Versions, but that doesn't change much. I think the ...
0
votes
1answer
3k views

How to disable device encryption?

I am using Samsung Galaxy A7. Today I encrypted my device and secured it with a password lock. Now I need to permanently decrypt the device but I cant. When I go to settings and try encrypt option ...
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votes
5answers
6k 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 ...
0
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0answers
119 views

Galaxy S5 (Cyanogenmod 13) Bootloop on Decryption

My Samsung Galaxy S5 has Cyanogenmod 13 installed on it; one of the recent nightlies, March 14th 2016 I think. I attempted to encrypt the device. It took a few minutes before rebooting. Now my phone ...
9
votes
1answer
744 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 ...
2
votes
2answers
9k 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 ...
0
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0answers
52 views

Android (HTC M8) has “forgotten” my SD Card is encrypted. Help!

Having a bit of a stressful problem. My HTC m8 (Marshmallow) is encrypted, as well as the external SD card. All my photos are on the SD card. I have lots backed up but I'm having a great trip to NYC ...
0
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2answers
13k 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
votes
0answers
71 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
293 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
votes
2answers
617 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
votes
0answers
616 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
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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 ...
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0answers
39 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 ...
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0answers
59 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, ...