Android Enthusiasts Stack Exchange
Android Enthusiasts Stack Exchange

Questions tagged [disk-encryption]

95 questions
16
votes
2 answers

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 would still like to get an answer so here's what I…
beeshyams
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15
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2 answers

Is it possible to mount on a PC an SD card that has been encrypted by an Android Marshmallow device?

I have a Samsung Galaxy S5 duos with stock Android Marshmallow, and I'm considering encrypting my SD card to prevent access to its contents in case I lose my phone. The main reason of not doing this is that I'm not sure if there's a way to mount an…
9a3eedi
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15
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1 answer

How does Marshmallow encryption work technically?

I just installed Marshmallow on a Nexus 5 through a pushed update. I am confused about the way encryption works. I have good technical knowledge of encryption on computers. I would like to gain similar knowledge about Android 6. The following is…
marcv81
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14
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2 answers

How can I find out if my device uses FBE or FDE?

Assuming that I have full access (root if neccesary) to a device running vanilla Android 8.1, how can I know if it is using Full Disk Encryption or File Based Encryption?
Berbus
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12
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4 answers

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 enabled, but is there an easy way for a user to…
warsong
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10
votes
1 answer

Can an Android device connect to the internet before decrypting the storage?

Can an Android device connect to the internet before the user enters their decryption password? I assume it cannot connect to saved WiFi networks, as these should be encrypted, but how about mobile networks?
Gasp0de
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10
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7 answers

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 encrypted /data directory? Are there any other ways to…
Zlatty
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7
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0 answers

Is it possible to crack encrypted device?

I have device powered by Qualcomm MSM8974AC Snapdragon 801 cpu and running Cyanogenmod 13 (6.0.1 android) rom with unlocked bootloader and TWRP (3.0) recovery. ROM has security patch level December 2016. Device is encrypted by FDE (Full-disk…
Ebaloff
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6
votes
1 answer

How can I allow a second user account to unlock my device after a reboot?

I recently damaged the screen on my phone and am sending it in for repair. The repair shop I am using wants to be able to access certain features of the device, like the camera, Wi-Fi, etc, in order to test that they still work properly after the…
Ajedi32
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6
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1 answer

Nougat: How to use Full Disk Encryption instead of File Based Encryption?

Nougat comes with File Based Encryption (FBE) and Direct Boot. I would like to return to Full Disk Encryption (FDE) instead (or in addition to FBE) and make sure the data partition is fully encrypted when the phone is turned off. For security…
Cristian Vasile Mocanu
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6
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0 answers

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 unheard of. Imo this is a serious security issue.
sdaffa23fdsf
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5
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1 answer

How to resize the /data F2FS partition

Context: I wiped all the partitions from my Moto G device with the TWRP recovery and installed Cyanogen 13 on it. Then I had issues when enabling Encryption: the phone just restarts but does not encrypt. This is a known issue and is described…
Marc.2377
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5
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3 answers

Nexus 5 full disk encryption stuck 12 hours in?

I have loved my Nexus 5 since it was released with KitKat, and last evening I decided to enable full disk encryption, which I expected might take around an hour or so. It's now about 12 hours in with no visible change. All I see are the…
watou
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4
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1 answer

No full disk encryption in Samsung Galaxy A71

I just started using my brand new Samsung Galaxy A71 (Android version 10) by doing an initial setup, and it seems it does not support full disk encryption at all. On the contrary, on Samsung Galaxy A7 it was pretty easy to enable it. As it is…
sad_guy_without_encryption
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How do I check if my Android SD is encrypted?

I can't remember if I encrypted it already or not. How do I verify that? Under SETTINGS - SECURITY - ENCRYPTION, there is just "Encrypted phone", but nothing related to the SD card. The SD is NOT formatted as Internal, and I do NOT want to use that…
Kamafeather
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