Questions tagged [encryption]

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

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Mount image of encrypted internal storage data partition from android P

When trying to upgrade to a newer rom, my system got a little messed up and I had to format my /data partition. I had made TitaniumBackup and twrp backups but they were on the encrypted data partition....
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Encryption/decrytion

LG V30+ US998U version Have struggled extensively to get AOSP running on my device. Would wipe data and reboot TWRP; flash DM-verity and no-encrypt also did not help prevent bootloop. But on to my ...
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Any way to make old alarm app use Direct Boot mode?

I'm trying to use an old app called AlarmPad, but it doesn't seem to work if the phone hasn't been unlocked after a reboot. However, I read that Android N and later support this feature ("Direct Boot"...
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Notepad/text-editor encrypt on Android, decrypt on linux — and vice-versa

I'm looking for an encrypted notepad or text editor for Android which encrypts files in a way that allows them to be decrypted under Linux. I also want this to work in the opposite direction: ...
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In Android Oreo 8.0, how do accessibility options interfere with enhanced data encryption?

In Android Oreo 8.0 many accessibility options such as Select to Speak, TalkBack, and Switch Access show a similar message: If you turn on TalkBack your device won't use your screen lock to enhance ...
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How to Encrypt Android Device with Password using ADB Command?

I am not able to encrypt my device and i think this can be done using adb command only.If anyone else know any alternate way please let me know. Thank You in Advance.
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How do I decrypt files on my SD card that I encrypted

I recently encrypted my sd card on my kyocera hydro air c6745 and it won't allow me to decrypt. I want to download music but it obviously won't allow me to do that either
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Decrypting microSD card on another Android device or desktop computer

I'm looking for a solution that would allow to encrypt external microSD card with the following conditions: external microSD card is not merged with the internal storage; encrypted external microSD ...
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Can I enable my fingerprint lockscreen whitout (!) enabling encryption

I like to regularly backup my data partition using TWRP. I noticed once I enable my fingerprint screenlock, TWRP is unable to access my data partition because Android 8.0 encrypts it from the moment I ...
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140 views

How to change the encryption key on (rooted) Android 9?

In Android 6, you could change the disk encryption key using the vdc command with vdc cryptfs changepw NEWPW In Android 9, you get a message, that raw commands are no longer supported. During ...
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Attempting to brute force Android security pattern through TWRP via adb

Yesterday I somehow forgot the Android security pattern on my phone. Due to muscle memory I sort of know what it was, but can't figure out the true pattern. Therefore I'm attempting to brute force it ...
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Decryption Unsuccessful, doesn't prompt for PIN

My pme's encryption has been flaky recently: it would ask for the pin a couple of times and reboot before finally loading the OS. And I wasn't able to mount /data in TWRP ("decryption failed"). Today ...
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Just now updated my Twrp to latest version and now i have “decryption problem”

Device: Oneplus 5 Updated Twrp version: twrp-3.3.0-1-cheeseburger.img link Oxygen OS Version: 9.0.4 (latest) Yes i can normally use phone, but typing password in Twrp doesn't decrypt the phone. ...
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Encrypt a Note in Evernote

How do you encrypt a note in the Android Evernote app? I can only find a reference in their poor help that applies to Macs and PCs.
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Sony F5121: Forgot Device Encryption Passwort, locked bootloader

I forget the device encryption password for my F5121 (locked bootloader). Is there any way to hard-reset the device, so I can use it again (I don't care about the data on it)? I already tried some ...
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Android decrypt pin not accepted after Magisk boot.img update

I have a Xiaomi Mi A2 Lite and since the update to Android 9, I had troubles to root with TWRP & Magisk. The latest trial was based on the daisy_global_images_V10.0.3.0.PDLMIXM_9.0 images ...
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Data deleted after encryption - recoverable?

My device (Android 8.0) is encrypted with the default encryption (no startup password). As far as a I know, when I have data on my phone and factory-reset the phone, the data is unrecoverable, since a ...
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Hiw to encrypt nova 2i phone?

I have huawei nova 2i phone. I need to sell my phone but i want to encrypt that phone before giving it. I dont see any option inside the security setting to encrypt the phone.please help me.
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Enabling File-Based Encryption/Direct Boot Android 9 OP3T

I am trying to figure out how to enable file-based encryption on my OnePlus 3T with Android 9 Pie. The developer options from Android 7 Nougat are not present on my phone. I have a custom ROM (Pixel ...
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Encrypted Storage when booting to LineageOS?

I'm attempting to flash LineageOS 16 to my Moto G(5S) Plus. I found an unofficial rom online and it appears to be installing just fine. However, when booting for the first time, the phone displays the ...
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Samsung Galaxy s10e requires password every few days, is it possible to disable safely?

Galaxy s10e, protected by a very long password and fingerprints. I specifically went for a very long password intending to only type it in after restarting the phone. In fact, the phone requires ...
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235 views

Install TWRP on encrypted device

I would like to install TWRP on an encrypted device to make a backup and maybe reinstall firmware. (Samsung SMT-530) The reason I wanna do this is because when restarting, I am able to enter password ...
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Does encrypting an Android phone also encrypt old, deleted files?

I'm going to be selling my phone soon. The advice seems to be to encrypt it then performs a Factory Reset. But does the ​​whole ​​internal memory get encrypted, or just the current, visible files? If ...
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292 views

Encryption Unsuccessful even after system backup restore

The steps I performed: Flashed TWRP with Odin Made backup Flashed LineageOS 14.1 with TWRP Flashed SuperSU with TWRP Flashed Open GApps with TWRP There was a problem, Google Play Services kept ...
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Is the Samsung Galaxy S9 encrypted by default or can it be encrypted?

Basically, I travel a lot with my phone and having it encrypted would be very useful in knowing that a crook wouldn't be able to gain access to my data should my phone be stolen. I heard from one ...
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Decrypt userdata files using device and complete filesystem dump

My Oneplus 5 got softbricked (touch input completely stopped working some time after an update and nothing could be done about it). This happened soon (a couple of weeks) after it was updated to ...
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SD card not encrypted

I have an android device lg v30 and recently I purchased an sdcard for it. Naturally, I enabled encryption on the sd card (full encryption). Encryption completed successfully. I used the card for ...
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2k views

How to Decrypt Huawei Safe File?

I am using Huawei Nova 3i and I have forgotten my password for File Safebox. But here I can see all my files encrypted. It would be great if I can decrypt them so that I can get back all my files. ...
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10k views

TWRP decrypt password

TWRP 3.2.3 asks for a decrypt password at startup, which I never set. Ignoring with 'cancel' leads to the main menu, but then the internal storage is marked as 0 byte (e.g. when trying to backup), ...
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Which component of the Android protocol stack performs cellular encryption?

I understand that the SIM Card plays a significant role in generating keys for the encryption and decryption of cellular traffic, but are these keys passed to the Android architecture so that it can ...
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Android S8-MAX device encryption

I have an android s8-max device which appears to be running android version 8.1.0. In the security it doesnt give me an option to encrypt the device, as on power up i want to supply a password before ...
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567 views

Tell TWRP to decrypt for ota

Old versions of TWRP would prompt for the password to decrypt the phone prior to performing an ota, however new versions are able to apply otas without requiring decryption. This is great in practise ...
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171 views

If /system partition is never encrypted (even in “full-disk” encryption), how is it protected?

It seems that Android's "full-disk-encrytpion" is only concerned about encrypting the data or internal storage partition. It says: Full-disk encryption is the process of encoding all user data on ...
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495 views

Unable to Decrypt SD Card after reboot my Samsung s7 Edge?

I moved my important files in Encrypted SD card from my Phone & removed SD card for reboot the phone. After complete the reboot i am unable to find my files in encrypted SD card. When i put my SD ...
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How to access an encrypted external SD card with all apps?

I have encrypted both the device and the external SD card of a previously unencrypted Samsung phone running Android 6.0.1. After encrypting the SD card, apparently some apps can not access the files ...
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Running an Android app in an encrypted container

Is there a way to encrypt apps (and appdata) on an Android device. I use an Android 7.1 device and don't want that there is any APP or especially Malware which can spy on appdata like my WhatsApp data....
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130 views

Android Encryption Key in windows manual backup

I did a factory reset and then realized that I didn't decrypt my SD Card. I know that the data is probably lost, but I made a complete copy of the Internal Storage connecting the Samsung J5 mobile to ...
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2k views

Huawei File Safe Stuck/not working

I have created a safe on the SD using the files app on my Huawei P20 Lite. It worked fine, until I decided to create a second one. Now, it no longer asks for my fingerprint, but for my password. After ...
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340 views

How to restore an encrypted SD card backup after factory reset?

I did a factory reset and then realized that I didn't decrypt my SD Card. I know that the data is probably lost, but I did make a complete copy of the Internal Storage. Is there a way to copy back ...
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309 views

Make a “adb shell” batch file?

Is a way I can make a batch file that'll run "adb shell twrp decrypt 0000" and go all the way to 9999?
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How to read (or restore) files on encrypted SD card after update to Android Oreo?

My situation I have been using the encryption of my Android phone’s external SD Card on a Samsung Galaxy J3 (2017) Duos (SM-J330F) ever since I got it. I have recently updated my OS to Android 8.0 (...
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296 views

What kind of encryption is required for LineageOS on Xiaomi Redmi Note 5 (whyred) to boot?

Having my Redmi Note 5 stuck at the LineageOS logo, I tried different ROMs like Resurrection Remix OS. They work well. After some reserach, I found a hint to some kind of encryption in the LineageOS ...
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My android isn't recognizing the password to “use the encrypted device memory.”

I've been through a number of steps attempting to save my device data. I previously asked this question. Is it possible to save an encrypted data partition so that I can decrypt it later? I couldn't ...
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77 views

Is it possible to save an encrypted data partition so that I can decrypt it later?

I have a rooted samsung galaxy s4 sph l720 with an encrypted data partition. It's currently a soft brick. I'm confident I could wipe the device and start over from scratch but then I'd lose everything ...
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87 views

HTC one m8 data corrupted

I noticed many people have this exact same problem but no one ever said if they got through with it. My phone managed to encrypt itself, i went to get my charging port repaired and when the phone was ...
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How can I use the fingerprint sensor on my unencrypted phone?

Searching for the cause of decreased screen-on time after updating the firmware on my phone (the standby time is generally excellent), I realised it was not encrypted before, and as I had to change ...
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How to fix bootloop or decrypt /data in TWRP?

I am trying to recover the data from a default/factory encrypted Samsung Galaxy S7 Edge stuck in a bootloop (i.e.: restarting endlessly when booting the system). It is using the stock rom. Only the ...
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316 views

Decrypting Android Nougat adopted storage

I changed my phone from a LineageOS (Android: 7.1.2 - LineageOS: 14.1-20180704-NIGHTLY-FP2) to regular Android and used my SD-Card on the first start-up of the new phone. The new phone (Huawei Mate 10 ...
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Can a Whatsapp account be spoofed?

I've had a big privacy concern lately regarding the safety of my Whatsapp account. Ever since my phone was stolen from me and returned by certain malicious individuals, I've had the weirdest feeling ...
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400 views

Device encryption fails, gives no error and just restarts

Got a redmi note 5 pro, some time ago and I have been fiddling with it. I tried to encrypt the device when it ran Resurrection Remix OS, for some reason, it appears to be working and then less than 30 ...