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

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2answers
682 views

How do I re-enable swipe to unlock?

I recently encrypted my Android 4.4.2 device (S4 Active) and have now unencrypted it. However the only options I still have to unlock my phone are PIN and Password. When I attempt to change it it now ...
0
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0answers
70 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 ...
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1answer
573 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
2answers
4k views

How to fix a black screen (bricked) after rooting an encrypted device

Phone: Samsung Galaxy S3 (GT-I9300) Per work policy to add an exchange account I had to encrypt my phone. After doing so, I needed to root it to create a swap partition as it was constantly running ...
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3answers
5k views

Decrypt Samsung S3 Phone

I have recently encrypted my S3 to allow me to get work emails, but I have now decided against this as it has caused the phone to run like a dog. When I attempt to decrypt the device it says I need to ...
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0answers
103 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 ...
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1answer
4k 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 ...
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0answers
352 views

How can i encrypt “/storage/emulated” with terminal commands?

I have encrypted my Android device in the terminal with: su; vdc cryptfs enablecrypto inplace PASSWORD During boot the following message appears: Type password to decrypt storage On which ...
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2answers
39k views

Ways to remove android device encryption

Since I still encounter issues with modified boot images and recovery images I want to remove the device encryption from my Nexus 4 (running 4.3). I known that there is no "official" way to to this ...
0
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2answers
948 views

Does encryption, factory reset, encryption make a safer used phone?

I recently purchased a used Moto X. I know the person I bought it from so I'm not terribly worried but here is my idea to shore up the security on a used device. Don't put in your SIM card or log ...
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0answers
125 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
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0answers
82 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 ...
2
votes
2answers
1k views

Recover data from encrypted SD card

I have an HTC Butterfly phone and what I did was I ordered a new SD card with much larger memory. I had my previous card encrypted already and took that out and inserted my new card in. The phone ...
1
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2answers
112 views

Any way to auto-update cyanogenmod with encryption enabled?

I've been enjoying cyanogenmod a lot, but the auto-updates don't work, since I encrypted the phone. I'd like to have both, if possible, even if there's a bit of work involved. Is there any fix / ...
1
vote
1answer
186 views

Is there a way to map/translate a pattern-lock to a numeric PIN?

I just encrypted my Moto X (Gen 1) (KitKat 4.4.4) using the default encryption option from the Settings > Security menu. After the encryption process finished, it asks me, "Type password to decrypt ...
1
vote
1answer
9k 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 ...
3
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0answers
379 views

Can you change the runtime on an encrypted phone (KitKat)?

Nexus 5 owner here. Basically, I encrypted my phone a while back while on Dalvik Runtime and recently wanted to give ART a try again (to check app compatibility). The problem is that when I set ...
34
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 ...
0
votes
1answer
902 views

Unlock encrypted Android from ADB

I have the following problem: Somehow, this evening the touchscreen of my Sony Xperia Z broke. I have two thin cracks in the display and everything on the right side of the crack does not react. I ...
2
votes
1answer
3k views

How can I use Public Key Authentication for SFTP in ES File Explorer?

I want to use SFTP to transfer files from Android to a Linux box using Public Key authentication rather than a traditional user name and password. Ideally I would like to use ES File Explorer (as I ...
8
votes
5answers
3k views

Use custom lock screen on encrypted Jelly Bean device

I recently enabled encryption on my Nexus S running Android 4.1.1. I'm aware of all the benefits and drawbacks, and device encryption is definitely something I want. It's currently working fine. ...
0
votes
1answer
596 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. ...
1
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1answer
498 views

Encrypting Nexus 7 vs. screen lock

I read in this article that a non-encrypted tablet with only screen-lock on can have data read through USB. Is this really true for example for a Nexus 7 tablet? I mean - if I lock the screen you ...
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1answer
328 views

Change Input Method without unlocking the phone?

Recently, I've installed a WiFi Keyboard application to my Android phone. This way, since both the phone and my computer were connected to the same WiFi network, I could access the phone's keyboard ...
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0answers
77 views

Decrypt Samsung S2 files?

My Samsung S2 just went dead with the encrypted SD Card in it and I found out that KIES didn't backup that memory. The phone was repaired but now I cant read the files on the SD. Anyone out there who ...
8
votes
4answers
1k views

How can I access data (such as WiFi keys) in an encrypted Titanium backup?

How can I decrypt an encrypted "Titanium Backup" backup using standard (linux) tools? Example: Wi-Fi serves as a practical example, many other uses may apply to the solution I'm looking for. If I ...
2
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0answers
439 views

Decrypting TitaniumBackup files [duplicate]

I have TitaniumBackup encrypting backup copies of app settings before uploading to Google Drive. In order to verify/restore applications I need to type my password. I need to extract a backup outside ...
2
votes
1answer
469 views

Why isn't there any encryption application on GSM calling?

I just wondering the reason why there is no encryption tool for GSM calling in android. Is it legal or technical problem? Thank you
0
votes
2answers
4k views

How to encrypt android device without screen lock? [duplicate]

I want to encrypt my phone to protect sensitive information. But I do not want to enter a password every time I pick up my phone. That seriously hampers the usability. Particularly because the ...
0
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0answers
149 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 ...
17
votes
6answers
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 ...
0
votes
1answer
138 views

How to remove a decrypted Androis 4.1 phone?

I tried out encrypting the phone, but now I want to decrypt it, so I can use again pattern to unlock. How can I do this without resetting the phone?
0
votes
2answers
575 views

Sony Z1 Compact: will encrypting my phone disable the camera button?

I just bought a Sony Z1 Compact with Android 4.4. It has a special camera button on the side. When the phone is off, you can press this button for a longer time, and the camera apps opens directly, ...
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vote
2answers
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 ...
0
votes
1answer
486 views

Upgrade with encrypted storage

I would like to upgrade my cyanogenmod to the latest M build. but my storage is encrypted, so i guess this will lead to some problems. First of all i cant even seem to make a backup with CWM.
0
votes
1answer
72 views

Encrypted Android phone - sharing files

I am using Sony Xperia M with Android version 4.3 (Jelly bean) with official update. Android allows me to encrypt my files. You can get this menu: Settings --> Security --> Encrypt phone. Now I want ...
1
vote
1answer
2k views

connecting to a wireless network that uses WPA2 enterprise encryption

I'm trying to connect to a wireless internet I've got the user id and password for. The network uses WPA2 enterprise encryption and Cisco:Leap authentication. How can I connect? On my laptop I do ...
3
votes
1answer
436 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 ...
7
votes
2answers
2k views

If I encrypt my phone will I still be able to load custom ROMs?

Are there any issues with enabling full encryption and loading custom ROMs or will it be seamless?
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vote
3answers
1k views

Password protected video

I want to protect my instructional video with a password. There is a use case. When a user wants to play an encrypted file (update: file located on user's android device), the encrypted file will ...
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vote
1answer
2k views

How to do reset/wipe on galaxy nexus with encrypted data

My galaxy nexus, rooted, open bootloader, was running cyanogen mod 10.2 with encrypted data. I tried to wipe and sideload 11 maguro onto it, and install hung on fixing fs_size in crypto footer. On ...
0
votes
1answer
889 views

Which android devices have optimized encryption hardware?

I've been using a Nexus 5 for a while and using FS encryption. Apple's iOS Security document states that: Every iOS device has a dedicated AES 256 crypto engine built into the DMA path between ...
0
votes
1answer
533 views

How do I mount an existing Truecrypt container on an AOSP rom like Cyanogenmod?

I have an existing Truecrypt container (AES encryption), how do I mount it on my AOSP rom? I have already downloaded Cryptonite (which contains Truecrypt in command-line form) but I'm not sure what ...
1
vote
0answers
298 views

Access encrypted internal storage without touch

Is there a way to access the encrypted internal storage without using the display? I damaged the display of my nexus 4 (Android 4.4, cm-11-20140104-SNAPSHOT-M2-mako) and need to access the encrypted ...
2
votes
1answer
4k 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 ...
1
vote
1answer
135 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, ...
3
votes
0answers
1k views

How to set a better encryption password

How would I go about setting a stronger password for disk encryption on my android device? I had set a PIN already before enabling full disk encryption, and it proceeded to use that PIN as the ...
2
votes
2answers
1k views

Decrypt my Micro SD Card

I have been looking every where for an answer to this. I had a Razor MAX with an encrypted card in it. Well I dropped that phone and it died on the spot. I now have a SG3 and the micro sd card ...
2
votes
0answers
3k views

Why won't my SGS2 allow me to perform device encryption?

I upgraded my Samsung Galaxy SII with the new 4.0 OS. The option to encrypt my device is enabled, but whenever I try to encrypt it asks me to plug the device in to have at 80% battery charge. I tried ...
9
votes
1answer
1k views

Encrypt Tablet in Android 3.1 hangs indefinitely

I've recently gotten an Asus EEE Pad Transformer (my first Android device) and I love it. I've updated it to 3.1 right away. I tried to enable the "Encrypt tablet" option. After following the ...