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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Decrypting SD card in factory resetted samsung phone by flashing it with the old partition

The title seems simple isn't? Anyway, have anyone tried successfully decrypting their encrypted SD card? It seems that once you encrypted it and performed a factory reset to your phone, the key used ...
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password lock code not accepted [duplicate]

The device cannot be opened and or unlocked upon restarting. The message on startup screen "enter password to decrypt this device". Except the password lock code is no longer accepted it says "try ...
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Long PIN to boot, short PIN to unlock

How do I set up shorter PIN for screen unlocking while keeping long PIN for device boot and filesystem encryption? Short PIN should support limited number of attempts, long PIN may be tried for ...
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Decrypting an SD Card after the phone is wipped?

I have a Samsung Galaxy with an encrypted SD card, but the phone got factory reset. Is there a way to decrypt it?
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Can a lost rooted/unlocked phone be decrypted by a thief?

Someone stole my One plus 7 Pro. It was rooted and had TWRP and Magisk 19.x ( latest subversion before 20.x dropped). I had a passcode and fingerprint set up on my phone. It was stolen at a technical ...
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How to recover stored wifi password?

My Android device (A Samsung Galaxy S7 SM-G930F, version 6.0.1) has different wi-fi networks saved. I would like to recover some of the password it has stored. Browsing through the web I searched ...
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How to encrypt my vivo Z1 pro android?

I want to use certain mail that can only be accessed after enabling device encryption, but I searched extensively and the only option for encryption are coming as encrypt a file/app.. Not the whole ...
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How to fix this hard brick (possibly caused by force encrypt on boot?)

A few days ago, I tried installing a MIUI 11 ROM for my K20, but forgot to flash a zip that disables force encryption so now I have a brick on my hands. I've tried fastboot format/erase userdata, ...
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Encrypted SD card data recovery with broken display (S9+)

my phone (Galaxy S9+) was recently stolen, and thankfully I got it back, but it was completely destroyed when I got it back. I'm not sure what they did to it (looks like they took a hammer to it), all ...
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Does “adb backup” also backup /data/misc/vold - the Encryption Key for Adoptable SD card?

I want to make sure that using adb backup -apk -shared -all -f ~/backup.ab will also save /data/misc/vold? I am trying to backup before rooting, in order to be able to gain access to the encryption ...
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Recovery chances for SD card - used as android internal memory - which got formatted by another mobile?

I used a micro SD card in a Nokia Smartphone for years as internal storage. I ejected it to test if another phone detects this type of SD card. Although we planned to just see if it is detected, ...
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Android KeyStore and root access

Are there system integrity checks performed internally by the KeyStore API when asking a key stored in a Trusted Execution Environment in hardware to perform crypto operations to detect signs of ...
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What is a “synthetic password” and how is it used by Android?

On a first-generation Pixel that is running Pie, in locksettings.db there is a field named sp-handle that contains a 64-bit value. sp is an abbreviation for "synthetic password". Under /data/system_de/...
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How to check if custom ROM supports encryption?

First solution which is coming to my mind is install custom ROM and encrypt /data partition. But it always take time. I'm wondering if there's quicker method like download custom ROM, extract system ...
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How to wipe and reinstall an encrypted device with 7.1.2 if TWRP won't boot anymore?

I installed an unofficial build of Resurrection Remix 7.1.2 on Meizu Pro 5 (M86) with TWRP 3.0.2. Out of curiosity I then enabled encryption with the thought that even if I don't like it and cannot ...
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Motorola G6 8.0 Android was encrypted by some kind of malware, what can I do to remove the encryption

Now my smartphone doesn't let me change the encryption password: Oh now the RAM is very high, before this the RAM was always at 30%: I have read in many places that it is a bad system update, that ...
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How exactly does FBE's key derivation work?

These are the files that I know go into verifying a user's password: /data/system/gatekeeper.password.key /data/system/gatekeeper.pattern.key /data/system/locksettings.db /data/system/locksettings.db-...
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1answer
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Data recovery from encrypted phone based on glitches in the encryption?

To make a long story short I needed to root my phone and didn't notice the warning that unlocking the bootloader erased all contents of the memory. I contacted a data recovery company and told them ...
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Gallery Vault - Any exaplanation on how to Encrypt + hide the files within the vault and on the SD Card?

The gallery Vault app says their support SD card however no where can i find a tutorial on how to use it and i do not see anything in the app that is explaining this. Any one here that knows how to ...
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recovery of data on MMC protected internal memory device

I have a broken HTC Sensation with a forensics lab who are trying to recover the data from the phone's internal memory chip. The technician says he is unable to recover the data on the chip because ...
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1answer
141 views

OnePlus 6T Did “fastboot boot” just delete all my encrypted data?

Today after a successful(Booted, worked fine all day) OTA manual upgrade(downloaded latest zip and flashed) I decided to reinstall TWRP in order to reroot. However, after running first "fastboot flash ...
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Read adopted and encrypted SD card with external SD reader?

My Moto G5 sd reader doe not work anymore, and does not read the SD card that was adopted and encrypted. I want to access the sd card to save the data/pics etc. I thought that I could use an ...
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1answer
203 views

Cross-platform compatible encryption of SD-card for Android

How would I go about encrypting my brand new 256GB SD-card, which is meant for my Android phone, considering the following: Card should be usable across multiple Android devices, and other platforms (...
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How to fully encrypt an LG Stylo 2 MS550 phone?

I have an LG Stylo 2 MS550 running the stock Metro PCS Android 7. The bootloader is unlocked, and my phone is rooted. Also, I have TWRP flashed onto the recovery partition. I'd like to fully ...
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Android Phone won't accept my change of screen lock pin code (Encrypted phone & added NordVPN)

I am not locked out of my phone - it just doesn't accept my attempts to change the Pin #. I have Encrypted the phone and added NordVPN not sure if this is causing the issue. i think some has gotten ...
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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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129 views

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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1answer
199 views

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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42 views

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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1answer
574 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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235 views

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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1answer
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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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157 views

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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1answer
47 views

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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271 views

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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439 views

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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397 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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0answers
105 views

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 ...
2
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1answer
452 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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4k views

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 ...