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

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6
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9answers
12k 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 ...
0
votes
0answers
10 views

How can I decrypt data stored using the android KeyChain API?

I have an android application that stores secrets using the KeyChain API. I have root access, and I know all of the credentials for the device. I should theoretically be able to decrypt the files ...
0
votes
1answer
13k 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 ...
0
votes
1answer
20 views

Custom Marshmallow ROM - encryption fails without error

I have a Galaxy S6 G920F phone. I've replaced the stock firmware with a custom ROM - XtreStoLite. Attempts to encrypt the phone using Android's built-in FDE fail with symptoms similar to the ones ...
0
votes
0answers
17 views

What is the secured and efficient approach to store a password for an android application? [closed]

I am new to android app development. I am trying to store a password that will be set/reset by the user to be able to login to the application. I found few ways to store data. The are as follows: ...
0
votes
0answers
28 views

Decryption process was interrupted and “Device memory damaged” message is shown.

-Phone model: Samsung Galaxy Note 4 -Rooted. -USB debuging was active before the problem. -TWRP is installed. version 3.0.2-0. -rom is stock android forgot the version. -I know the encryption key....
0
votes
0answers
20 views

Signal app - can senders see when the recipient has read the message?

With the Signal app, can senders see when the recipient has read the message? I notice those two hatches but don't they just mean the message has been sent?
0
votes
2answers
67 views

file transfer after encryption

I am a new Android user and I am considering encrypting my device for more security. My notebook runs Linux Mint and I have been transferring files to my Android (version 4.4) using the USB cable via ...
1
vote
2answers
41 views

Stolen device whatsapp deletion

I want to delete my whatsapp history from my stolen device. How can I do that?
0
votes
2answers
681 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 ...
1
vote
0answers
9 views

Encryption on a rooted Canadian S5 (SM 900W8)

I am trying to encrypt my Canadian S5 and have high and low online for the multiple answers given to me on Google and XDA. I can't seem to do it either way. What happens is when I run the encryption ...
0
votes
0answers
18 views

Encrypted VPN + No root firewall

Is there a way to run both a VPN for encryption and a no root firewall on Android to control application access
13
votes
1answer
413 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 ...
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
0answers
10 views

Problem during the encryption

Some times ago I had some problems with android decryption, so i followed this to solve my problem Removing encryption from recovery (recovery --wipe_data --set_filesystem_encryption=off). Now I am ...
0
votes
1answer
80 views

Android Decrypt SD Card after Factory Reset

I have a Galaxy Note2 device, Android 4.4.2, in which I have my extCard encrypted using the settings option, for a force majore I had to reset factory settings. now i can't access my important files ...
4
votes
3answers
4k 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 ...
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.
0
votes
1answer
2k 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
36 views

Why is Android checking my SD card at bootup?

I have a Samsung Galaxy S5 phone running Android 5.0 (.something, update level 2016-03-01) and a 64GB Type10 SD card inside for extra storage. The phone is encrypted and works fine, today I decided to ...
2
votes
3answers
6k 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 ...
1
vote
3answers
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 Settings→...
1
vote
0answers
77 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
votes
0answers
52 views

How do I recover data from an encrypted phone which will not boot and which is 'oem locked'?

My OnePlus2 phone keeps rebooting and won't give me access to the Android OS after a recent update. I now want to recover my encrypted data and reinstall the OS. After reading around on the web I ...
1
vote
1answer
42 views

What is the minimum battery level required to start Android encryption?

The encryption screen reads "Charge your battery and try again". What is the minimum battery level required to start the encryption process?
0
votes
0answers
24 views

How to decrypt emails with k9?

I just installed k-9 mail with open keychain. K9 recognizes open keychain. In cryptography settings I chose open keychain as pgp-provider. But when I want to read an encrypted email it just shows me ...
1
vote
1answer
158 views

How to resize the /data F2FS partition

I've wiped all partitions from my Motorola XT1040 with the TWRP recovery, and installed Cyanogen 13 on it. Then I run into problems when trying to enable Encryption. The phone just restarts and ...
1
vote
0answers
25 views

Unsuccessful Encryption

I began encrypting my Xperia Z3 and as soon as the process started, the phone turned off and I was greeted with the following screen: The phone was rooted beforehand and I still have access to a ...
0
votes
0answers
21 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). However,...
1
vote
1answer
95 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
votes
0answers
13 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 ...
1
vote
3answers
4k 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 ...
0
votes
0answers
39 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
votes
0answers
119 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
175 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
votes
0answers
32 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.
0
votes
1answer
281 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: * ...
3
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
60 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
559 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
63 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
votes
0answers
35 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
vote
0answers
99 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
votes
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 ...
0
votes
0answers
32 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
votes
0answers
40 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 ...
-1
votes
1answer
73 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
votes
3answers
270 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
2k 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
503 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 ...