General :: Any Way To Encrypt A File In Android 4.1

Sep 16, 2013

Is there a way to encrypt a file in Android 4.1?In Linix vim there is an option (vim -x) to do this, but it does not seem to be present in VimTouch.I'd like if possible to share an encrypted file between PC and phone.

General :: any way to encrypt a file in Android 4.1


Android :: Encrypt And Decrypt File In Droid?

Nov 24, 2010

I want to encrypt file and store it in SD card. I want to decrypt that encrypted file and store it in sd card again. I have tried to encrypt file by opening as file stream and encrypt is but it is not working. I want some idea how to do this.

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General :: LG G2 - Encrypt Android Phone Without Lock Screen?

Feb 28, 2014

I just encrypted my LG G2 and chose I believe a 17 character random password which includes punctuation. It's hard enough to remember and I only wish to enter it when I power on the phone. However it seems I have to enter it every time the phone locks itself. I don't want that, it's a heck of inconvenience. I just want swipe to unlock, not no pin or no pattern and only want to enter the big as password when the phone turns on. I am rooted and on the latest AT&T firmware.

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General :: Phone Won't Encrypt

Jun 22, 2012

I decided to encrypt my phone, URL....Anyway, after selecting encrypt phone I am presented with this..The guide says it should take around an hour and it should show me a progress bar, the image shown above is after 12 hours (as I left it going over night) and no progress bar is shown.I'm running a custom Rom of Resurrection Remix 2.2 (4.0.4)

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General :: Can't Encrypt SD Card After JB OTA

Dec 20, 2012

My work email requires the phone and external storage to be encrypted to use the Microsoft Exchange server for email.

Email worked fine while on ICS and rooted. After upgrading to JB 4.1.1 (kept root with vodoo root keeper ) the email stopped with a notice I needed to change my security settings. There was nothing I could change.

Deleted the account and when I try to set it up new- I get a message that I can't continue as the IT policy requires external encryption.

Under security> encrypt SD card>Setup data encryption Memory card (along the top) and apply (along the bottom) are grayed out.

I erased the SD card and that did not work.Tried to continue setup without an SD card- no go.

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General :: ICS Feature - Encrypt Phone

Feb 22, 2012

I would like to try the new feauture on ICS that let me encrypt my phone (I think it will take more or less 1 hours) and I think It will encrypt almost everything. But no idea how it works. Do u think it will be a problem for cwm recovery ? I mean usb storage, flashing ecc ecc or I ha ve to switch the phone on to use the memory card in my Nexus S ?

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General :: How To ENCRYPT Again WhatsApp Database

Apr 24, 2014

I decrypted msgstore.db.crypt5 with "WhatsApp Viewer" and now I have a decrypted file: msgstore.decrypted.db So I would like to know how could I encrypt to crypt5 file again.

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General :: How To Encrypt Folders - Galaxy Note 2

Jan 18, 2013

I'm looking for an app that will allow me to encrypt folders (preferably without having to go through a third-party file manager) on my Galaxy Note 2 and Nexus 7, while possibly being able to also decrypt and view the folder/files on a Windows or Mac machine.

BoxCryptor is one that I've looked into but I'm not sure if it will allow me to encrypt folders within folders.

A little bit of background for what I need this for... I'm a medical health professional and there are times when I have sensitive data about some of my patients that I need to access via my phone/tablet/home/work computer. I don't necessarily need the folder of patient data to sync across all devices but if that could be done (say via DropBox or WebDAV, encrypted), that would be a bonus.

There are some apps on Google Play that seem like they might work:

Encryption Manager
Safe+
DroidCrypt

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General :: Galaxy S4 Shuts Down When Attempting To Encrypt

May 11, 2014

I have a Sprint Samsung Galaxy S4 (SPH-L720). My device is currently stock rooted running Android 4.4.2. I recently just did a factory reset and need to encrypt my device. I have my screen lock password setup and when I select to encrypt the device it shows the screen with the android gear icon for a second then shuts off. About a minute later it will turn on again on its own and boot right up to the regular lock screen. It will not encrypt and gives no error message.

The only references I have found on a Google search about encryption not working was referring to an error message saying the encryption failed and asking the user to factory reset.

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General :: How To Encrypt Samsung Galaxy S2 With V4.0.3 ICECREAM

Feb 27, 2012

I really want to encrypt my SGS2 with ANDROID 4.0.3 ICECREAM but I can't !!!

The phone start encrypting after he ask me for a secure password... rebooting and asking again for my password and surprise!!!.... the password is not match ?!?!

I repeated these steps for 3 times but the same result...the password does not match!!! ?

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General :: Encrypt Tablet Option Not Working On Milagrow 7.16c

Mar 18, 2013

I have Milagrow 7.16c tablet with

Model Number MGPT09
Android ICS version 4.0.4,
BaseBand Version MW100G_Base_V300R20
Kernel version 3.0.8 weidi@brn-weidi #50
Build Number MGPT09 20121008

when i try to use the encrypt tablet, it goes to the black screen with Android Logo doing nothing for hours.

Is there any file missing in Android OS thats causing this. tell me a similar ROM for the above, so that i can try to root it with a new rom? its a 3G calling tablet.

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Android :: Possible To Encrypt A Whole External Sd Card?

Nov 20, 2010

Is it possible to encrypt a whole external sd card(or a part of its partition i.e ext/fat32) and mount it at boot time or when ever users wants.

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Android :: Possible To Encrypt Sdcard And Its Contents?

Jul 13, 2010

Security is top priority for me, i realise there are apps out there that can remote wipe lock etc, but if the thief is quick enough to take out the sdcard and put it in another phone the sdcards contents can still be accessed can't it?
So i would like to know if there is anyway to encrypt or protect the sdcard and the contents within it?

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Android :: Example To Encrypt And Decrypt Data?

Mar 25, 2009

I want to write an app which encrypts the data and decrypts it into original data.

But I dont know how to do it.

can any one please guide me how to do it.

if possible please show me some example.

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Android :: How To Do An Encrypt / Decrypt Function

Jun 30, 2010

I am working on an android application, and I need to use encryption for one aspect of it. I am really indifferent to which algorithm I use (AES, DES, RSA, etc...). I am aware that Java has a crypto package, but I am not at all familiar with. Can someone post an example on how to do an encrypt/decrypt function?

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Android : Encrypt Data In Droid?

Jun 4, 2010

I am new to android. i am trying to learn and work on it.can some one help me with the following issue.
i have some fields to be encrypted and uploaded to the DB using android.
the fields which should be encrypted are DOB,Email id, Phone number and some othe numeric value.
now i am doing some formal encryption by substitution.
Can some one help me with an example to do some standerd form of encryption.

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Android :: RSA Encrypt With Base64 Encoded Public Key

Jun 2, 2010

How to do RSA encryption of byte array with base-64 encoded public key?

After reading the couple of articles( of google search ) on how to do RSA encryption in Java, found the following snippet.

CODE:.........

I have public key as a base64 encoded string (126 characters), How do i create 'PublicKey' with the encoded string and use it with Cipher.

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Android :: Is It Possible To Encrypt Or Decrypt Voice Calls

Jan 20, 2010

I want to know if I can create an application in android that encrypts your voice in a normal phone call and sends it to the destination where it can then be decrypted.

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Android :: Encrypt Password With Droid And Then Decrypt It With Php?

Jul 18, 2010

Is there some code snippet that show how to encrypt a password with Android and then decrypt it with php?

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Android :: Encrypt Outgoing Data? (any Mobile Platform)

Sep 13, 2010

Would it be possible for me to build an application that enables people to encrypt call coming to me with my public key and then for me to decrypt the call data at my end using my own private key. This way I basically have a more secure communication channel which I am assuming because RSA is hard to crack would be difficult to monitor.I am asking this question from a research point of view and have absolutely not considered the factor as to how computationally feasible would such an application be. I would just like to know if there is a way for me to intercept my outgoing data using any built functions.

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Android :: Framework To Encrypt / Decrypt Voice Data?

Dec 1, 2009

Is it possible in android framework to encrypt/decrypt voice data? What I am thinking is when a call comes in, and before user picks it up another local application is activated, it then encrypts and decrypts outgoing/incoming voice data?

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Android :: Encrypt / Decrypt Password Using Droid Supporting Secure Algorithm?

May 7, 2010

What is the secure way to store passwords on android device?

I found same topic in "Android Developers Group". Steve918 kindly shared a sample code for it but I can not download it anymore. http://steven.bitsetters.com/articles/2007/11/20/android-password-safe/

Does anybody know how to encrypt/decrypt password using Android supporting secure algorithm?

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Jelly Bean :: No Option To Encrypt SD Card Galaxy S3 I747

Nov 25, 2013

From everything I've read I should be able to encrypt my sd card on my i747 but only option I have is to encrypt phone which I've done. Should I be able to encrypt my sd card on this? I have my camera set to save my photos etc on my sd card and would really like it encrypted. I've tried a few of the photo hide programs and they all move the photos to the internal sd card if you hide them from external sd card. If there was an app that would keep them on they drive they are located on I would worry about the sd card encryption as much.

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Android :: Encrypt And Decrypt .apk Files / Re-"make" It Again Using WinZip?

Jun 7, 2010

I was wondering how to break apart .apk files in Windows to see all of it's components, edit some of the components, and put the file back together.

I have been able to open up the file to see the components using WinZip but I am unsure of how to re-"make" the .apk file again using WinZip. Is there a special option within winzip or can you just change the extension from .zip to .apk? Not sure if this matters, but the .apk files are being used within Eclipse in an emulator as of now.

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General :: No Internet Access / File Manager - Install APK File From Terminal Emulator?

Oct 8, 2012

Let's say you don't have internet access at the moment. Let's say all you have is fresh install of CyanogenMod 9, which for some reason, does not come with a File Manager :

Let's say you have an apk file on your SD card. How would you install the apk file? Terminal emulator, using which commands or another way?

By the way, ASTRO File Manager vs. ES File Explorer, which one and why?

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General :: No File Extension Association - Unknown MIME Type File

Apr 3, 2013

I'm using JB 1.4.2 on Razr i. There's one thing that's annoying me a lot. I've installed the SNES Emulator SuperGNES and I've found that every single file type that have no app associated is showing SuperGNES icon and associated with it. Example: .log, .db, etc. Even files that have no extension is associated with it. The same problem occur when ZArchiver is installed. I don't know if it's a bug of these two apps or Android's in general. Remembering that this associations are shown only inside Android's native file manager. It's like every "unknown MIME type file" act like being the same.

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General :: ZIP / RAR File Successfully Copied To SD Card But End With Corrupted File (CRC)

Dec 23, 2013

I cant copy big compressed (.zip, .rar) to my sd card. The item successfully copied but end with corrupted file (crc). I tried to fix with some software on net. But the is no can fix instead showing no problem. HY5001

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General :: Acer Tablet - When Open Email File All Of Emails Removed From Email File

Mar 7, 2012

I just loaded the Android Update on my tablet. Why when I opened my email file all of my emails were removed from the emial file. where did they go?

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Android :: Does The Dalvik File Format - .dx - Support More Instructions Than Java .class File

Apr 17, 2010

Is there anything the Dalvik VM supports (in terms of bytecode) which is not used currently because the .class files don't have it?

As an example, if people would write their own Source-to-DX converter for their functional language XYZ, would they be able to implement e. g. full tail calls although the .class file does support tail calls only under certain circumstances?

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Android :: Attaching Txt File While Email From Internal Package File Storage

Jun 8, 2010

I am successful in creating file using openFileOutput(). and can read the file using openFileInput().

I am able attach file from external storage sdcard while emailing the same using getExternalStorageDirectory as sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://"+Environment.getExternalStorageDirectory()+"/ zibra.txt"));

But while trying to attach file from the openOutputFile stored area using sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://"+ getFilesDir() + "/zibra.txt"));, resulting emptied file emailing.

My file is stored in "/data/data/com.example/files/zibra.txt".

what is going wrong in it?

CODE:...................

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