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

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3
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3answers
6k views

Using PIN instead of a password for encryption on Galaxy S5

I have a brand new Galaxy S5 with Kitkat (4.4.2) and am required to encrypt it for work. I greatly prefer to use the PIN lock screen instead of the password due to the annoyance of having to type in ...
13
votes
2answers
2k views

How to do backups and updates properly with full device encryption?

I think about the following use cases: 'Perfectly' reverse encryption without losing settings Update ROMs. Even if /system, /data, /sdcard (internal) are encrypted Low level Backups with CWM. When ...
2
votes
2answers
1k 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 ...
1
vote
2answers
183 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 ...
0
votes
2answers
26k views

How to disable lock pattern/pin on lock screen with new Android 4.3 update?

I just did an update on my Galaxy S3 and now it is required that I have a lock on my lock screen. Before the update, I had the simple "Swipe to Unlock." Now, when I go into Settings>Lock ...
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 ...
5
votes
1answer
577 views

SIM Card not detected after encrypting device

I have a Samsung Galaxy Pocket Neo (Model GT-S5310B) running Android 4.1.2 The device is not rooted and the update notifier tells me I have the latest available version installed. Today I tried ...
3
votes
1answer
873 views

WiFi stopped working (dhcpd times out) after enabling device encryption

WiFi has worked without issue before on this exact same hotspot, and it is currently working for other devices so I'm assuming the error is in the phone (edit: also tried another hotspot, wifi is ...
3
votes
1answer
425 views

Android disk encryption - using as a removable device

I'm about to upgrade my Desire HD to ICS so that I can use the full disk encryption functionality. Does anyone know if its possible to still use the device as a removable disk when plugged in via a ...
1
vote
1answer
58 views

How to encrypt an external SD card natively?

There are several questions regarding the possibility to encrypt an external SD card on Android. None of them are satisfactory. They either point to a third party solution (e.g. BoxCryptor, ...
1
vote
1answer
62 views

alternative to android build in encryption?

I have got a Samsung S3 that forces me to use a 6-charakter password for the phone/SD card encryption. I would like to use a PIN (4-digits) as it was possible in earlier Samsung phones. I am aware of ...
1
vote
1answer
813 views

Longer disk-encryption passwords on Samsung Galaxy S5?

I'm trying to encrypt my Samsung Galaxy S5 (AT&T) and it only allows me to use a 16-character passphrase for my encryption key. Is there a way to bypass this or change the encryption key to ...
1
vote
1answer
489 views

Android Encryption porting

I'm currently trying to enable the full disk encryption in Android on my custom board. Some informations: The /data Partition is the 4th Partition on my SD Card. after the /data Partition there is ...
1
vote
1answer
160 views

How do I keep my email and passwords secure without full-device encryption?

I bought a cheap, no-name Android 4.1.1 tablet a while back, and was dismayed to find that the "Encrypt Data" option was simply not present in the "Settings" -> "Security" menu. I then upgraded to a ...
1
vote
1answer
267 views

Cannot perform OTA update on encrpyted Nexus 4

I encrypted my phone because of an Exchange policy with my employer. However, to apply the OTA update, I must decrypt. But the encryption option is greyed out at Settings. I tried removing my Mail ...
1
vote
1answer
434 views

Using luks manager app for creating file based containers for encryption, is there any chance that unencrypted data appears in crash dumps etc?

My PC is fully encrypted and protected with TrueCrypt using. I don't use TrueCrypt encrypted file based containers as they are not safe from the OS itself. The official TrueCrypt site states that file ...
1
vote
1answer
478 views

Does the lock screen on a encrypted device provide different security than an unencrypted device?

I am wanting to encrypt my phone and sd card. I have been reading around about it all week and still don't understand a few things. I though that the encryption was like blackberry encryption, where ...
0
votes
1answer
2k 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
1answer
94 views

How can I decrypt my photographs on the SD card?

My Samsung Galaxy S3 crashed suddenly and I had to take my SD card out to fix it. After I got it back and put my SD card into it, I realized that the data which was encrypted on my SD card (photos ...
0
votes
1answer
479 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
212 views

How to get the “encrypt external sd card” option to show (on a LG Optimus F6)?

The "encrypt external sd card" option doesn't show up under Settings->Security on my LG Optimus F6, or my Huawei Y301-A2. A microSD card, FAT32 formatted and empty, is inserted and recognized ...
0
votes
1answer
427 views

how to backup files from an encrypted SD card for upgrade

recently bought a new SD card and I want to transfer the files from my current one to the new card. However, the files on the current card are encrypted and I have no way to copy them. I need some way ...
0
votes
1answer
537 views

Where is my TWRP backups on encrypted Android?

I encrypted my Android tablet which is a nexus 7. After that I did couple backups. Today I wanted to see the size of the total backups so I open the TWRP folder on my sdcard. There is nothing there. ...
0
votes
1answer
83 views

Can an encrypted Android phone be unlocked with an USB drive some way?

I want a fast way to login to the system without entering difficult credentials. If the usb key is not present there won't be the ability to decrypt the system ... Some 2-factor solution without NFC ...
0
votes
1answer
91 views

missing pictures/videos from HTC EVO after being encrypted

I have an HTC EVO. It's been encrypted at work. Afterwards, all of my pictures/videos are missing from my gallery, everything else is still there. How do I get them back?
-1
votes
1answer
207 views

TLS version support

I am trying to backtrack the versions of TLS support on Android. More in detail: From which version of Android started TLS 1.0 support From which version of Android started TLS 1.1 support From ...
0
votes
0answers
44 views

Installing Certificates on an Android device

From my understanding, to connect to a certificate-based VPN, one must download say a p12 file onto the Android device, then use "Install from Storage" in order to install the certificate and use it ...
0
votes
0answers
120 views

encryption and fingerprint unlock

Can you use the finger print scanner to unlock when the phone is encrypted? Everywhere I've looked it says you cant do it but I encrypted my phone and i can still use the finger print unlock when ...
0
votes
0answers
44 views

Encrypting Galaxy S3 with custom recovery

I have installed CWM recovery long ago to root my device. Today, I want to encrypt storage using Android's built-in device encryption. I set the lockscreen password, then confirm the operation but ...
0
votes
0answers
63 views

Security of Android cryptography in versions < 5.0 against government agencies

Recently, both Google and Apple announced their new OSes encrypt the device by default. This caused a lot of complaints from government agencies. Let me quote an article ...
0
votes
0answers
95 views

Loss of internal memory (encrypted) after swapping SIM card

To be able to install the e-mail client to receive my job e-mails on my cell phone, I had to encrypt its internal memory. Everything was working fine, until the day I swapped the SIM card for a minute ...
0
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0answers
124 views

My Device has Randomly encrypted itself???Restore data?

After flashing Ubuntu touch my whole device encrypted itself i don't know the pass code I cant wipe nor restore a backup nor backup what can i do to save all my data. How can i restore this and my ...
0
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0answers
74 views

Sudden Encryption, No recovery mode

My girlfriend's phone (A Samsung Galaxy SII) is now stuck at an encryption screen. When you turn it on it wants a password, problem being we never encrypted the phone. It was rooted, if that matters. ...
0
votes
0answers
111 views

How to disable visible password feedback on the decryption screen of encrypted devices?

How do you disable visible password feedback on the decryption screen during boot (for encrypted devices)? I have unchecked "Make passwords visible" under Settings/Security/Passwords but this does ...
0
votes
0answers
63 views

How to obtain crypto header and footer from Nexus 5 Android 4.4

I'm interested in how to find the crypto_header and crypto_footer for disk encryption on a Nexus 5. A lot of articles have them for specific devices and I was wondering if there was any information on ...
0
votes
0answers
127 views

Encryption code apparently not same as lock screen code

So after I encrypted my Moto X with a numeric passcode, it seemed to boot and unlock fine. But I changed my lock screen code to an alphabetic one. Now my phone will decrypt to my alphabetic code and ...
0
votes
0answers
134 views

Recovering data from broken android phone which is sent for replacement

Sent broken android phone to Sony customer care for replacement. I had the device encrypted with a 4 digit numeric pin. I erased it. I found when searching on Google that data can be recovered easily ...
0
votes
0answers
315 views

android mobile 4-2 “Encryption unsuccessful”

I have a Prestigio Mobile Phone running Android 4-2. The phone crashed earlier and I attempted a Re-Boot but now the device wont boot and all I get is a screen saying "Encryption unsuccessful ...
0
votes
0answers
260 views

Extract data from encrypted Samsung Galaxy Note 8 Android device

I have the US Samsung Galaxy Note 8 GT-N5110 and last night I downloaded and installed the latest kitkat firmware. After I unlock the phone (I have full encryption on), it just goes to a black screen. ...
0
votes
0answers
89 views

How to boot an encrypted S2 after Wipe without being asked for the encryption password which is no longer accepted?

On my encrypted S2, I started to install CM following these instructions. Rooting the phone worked fine. But after I wiped it from the Volume-up/home/power-key console, I was not able to locate the ...
0
votes
0answers
5k views

Type password to decrypt storage

I'm receiving this message when I boot my Galaxy S4 and I cannot use it: Type password to decrypt storage I haven't encrypted anything and I don't know why I'm receiving this message. Is there any ...
0
votes
0answers
2k views

Samsung Galaxy encryption failed

I updated my GT-19100 Phone to 4.1.2 Jelly Bean from the previous version. For this venture it was necessary to decrypt my phone first. After the update I started again an encryption. The process ...
0
votes
0answers
1k views

How can I decode a mobile encoded file?

I am using filelock software in my Android phone. You can encode (encrypt) any file in this software by a password. I forgot my password and without password I cant decode my file. Is there any ...