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

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591 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 can'...
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1answer
529 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
91 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 ...
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1answer
181 views

How to decrypt storage for s4

How to decrypt storage for Samsung S4, there a password that I never do before, so how can I find the password, because I never make a password for decrypt storage before.
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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
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1answer
778 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
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2answers
7k 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 ...
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0answers
178 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 ...
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1answer
155 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?
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2answers
649 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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1answer
556 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.
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1answer
95 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 ...
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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
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1answer
466 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 ...
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2answers
3k 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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3answers
2k 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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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 ...
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1answer
1k 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 ...
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1answer
915 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 I'...
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0answers
396 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 ...
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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 ...
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2answers
2k 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 ...
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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 ...
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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 on-...
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1answer
113 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 ...
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0answers
126 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 ...
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1answer
857 views

How do I connect to a jabber.org account with Chatsecure?

When I set up my jabber.org account in Chatsecure it doesn't connect. Another account on jabber.ccc.de works.
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1answer
102 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?
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0answers
1k views

adb restore not working for shared

I have a Nexus 4 with Android 4.4.1 … I've read that we could root it without wiping the data … well didn't work for me! I wasn't scared, because I made a full backup using: adb backup -apk -...
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0answers
249 views

Can PIN lock be disabled/enabled via Secure Settings with full device encryption?

I use Tasker and Secure Settings to enable/disable PIN lock based upon connections to select WiFi and Bluetooth devices. I've recently unlocked the bootloader and rooted my phone. I would like to ...
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0answers
4k 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 ...
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1answer
423 views

After activating the device encryption on my S2 running CM 10.2 nightly, my CDMA radio stopped working

I have a Samsung Galaxy S2 (Sprint, codename d710), and I just installed the latest CM nightly (10.2). Everything worked until I encrypted the device. Now the radio doesn't work (network: UNKNOWN, no ...
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1answer
69 views

Client-side encryption of messages across apps

Is it possible to encrypt any message (part) across apps? I'd want client-side encryption using pgp keys (asymmetric public/secret) integrate into multiple apps (like WhatsApp, GoogleTalk, ...), ...
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0answers
1k views

Decrypt encryptes Android Phone (MIUI 4.2)

I've encrypted my Phone because of my organization's policy. Unfortunately the device is a bit slower and moreover I am not able to update ROMs anymore. I do have root access and my device is running ...
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votes
1answer
6k views

How can I decrypt an encrypted SD card (HTC Evo 4G) on a different device?

I encrypted both my phone and SD card upon purchasing my HTC Evo 4g LTE. Recently the phone died (would get to the login screen and then reboot). After a factory reset the SD card shows up as ...
2
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1answer
193 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 ...
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0answers
173 views

Android - Exchange encryption - SD card 'damaged'

Mrs has a HTC One S, asked me to set up her work email on exchange. No problem. Got to the device admin-security policy part; a little bit surprised by requesting encryption & pin lock but what ...
2
votes
1answer
1k views

Can I safely downgrade an encrypted Asus Transformer TF101 from 8.6.5.21 to 8.6.5.19?

I want to root my encrypted Asus Transformer TF101 (Firmware 8.6.5.21; Serial B80...) and install a custom ROM. I read that the only way to do this is by downgrading to stock 8.6.5.19 and then using ...
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0answers
1k views

“Encryption Failed” on my Samsung Note 2 & it asks me to reset device. Is there a way to back up my data

I have Samsung Galaxy Note 2 from AT&T. At the reboot it displays "Encryption failed", and would ask me to reset device. I cannot access my phone. I have very important data on this phone. I want ...
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1answer
930 views

Why/ How do some manufacturers remove the Encryption option? [closed]

I've owned two Android tablets now - one a no-name cheapo device (running 4.1.1); the other a more mainstream Asus Memopad HD 7 (4.2.1). Neither have had the "System" -> "Security" -> "Encrypt Data" ...
8
votes
1answer
669 views

Performance impact of device encryption

As far as I know, most or all Android devices don't have any hardware cryptography accelerators, so the block-level storage encryption happens on the CPU. How high is the impact of encrypting and ...
4
votes
2answers
14k views

How do I decrypt files on SD card that I encrypted on a different device? [duplicate]

I encrypted my phone and SD card on my Note 2. I broke that phone, but recovered the SD card. How do I decrypt the SD card to get all files out (I do have password for it) with the new phone?
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0answers
128 views

Cannot log in to my android phone anymore

Few days ago I got firmware update in my S3. After update, I realized the default QWERTY keyboard is lost. There was only voice input. Then, I downloaded painfully "Go Keyboard" with voice search in ...
4
votes
1answer
295 views

Backing up Android device on Windows via wireless

I need a way to back up my whole Android device on my PC, which is running Windows 7. I don't have USB cable for my phone, but I have wireless router, so my best option is using Wireless connection. ...
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0answers
856 views

No encryption option on Huawei g510 and Android 4.1.1

I recently bought a Huawei g510 with Android 4.1.1 and I was going to encrypt it, but I just can't find the encryption option in the settings panel or any other place. I looked around on the net but ...
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1answer
494 views

Can the LG 768 be encypted?

I have an LG 768 device. It is running Android 4.04 with Kernel version 3.0.21 and build number IMM76L. I can find no way to encrypt the device. None of the menus lead to an option to encrypt. Has ...
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1answer
293 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 ...
19
votes
6answers
5k views

Is it reasonably safe to use PIN code for encryption?

On the Android 4.0 (Samsung Galaxy Nexus) there is a posibilty to encrypt the phone. I found this about the encryption on Android 3.0, is the same algorithms used in Android 4? http://source.android....
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1answer
537 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 ...