Tagged Questions

3
votes
3answers
225 views

Strong encryption for base64 encoded public key in Android

I want to know how I can achieve strong encryption of a public key present in my Android application. It's Android's advice that To keep your public key safe from malicious users and hackers, do ...
1
vote
2answers
3k views

Recovering encrypted SD card after Android Factory Reset

I was using Active Sync on my Android Galaxy S2 and as a result it enforced encryption of the phone and SD card. Phone did a factory resync and now data on SD card is still encrypted. Is there a way ...
3
votes
1answer
215 views

Is there cryptographic material in a phone's SIM card that can be used with RSA encryption?

Given that a smart card stores a private key that can't be extracted, it appears that a SIM card is similar to a smart card in these respects. I need to store (or use an existing) private key on a ...
1
vote
3answers
589 views

Encrypt data within mobile app and send to web service

I'm developing a mobile application for Android and iOs. What is best practice when it comes to data encryption within the mobile application which will be sent to a web service? Basically I will ...
5
votes
1answer
748 views

Android / CyanogenMod encryption vs GNU/Linux

Hi I am trying to understand how encrypting an Android based phone works compared to a GNU/Linux host which relies on LUKS dm-crypt. Here is what I understand: Encrypted LVM on GNU/Linux is an ...
7
votes
1answer
1k views

Android Device Encryption

I am trying to understand when using the default android device encryption in 4.0.4 ICS (AES-CBC 128Bit) how the Key Derivation Function works? That is how is the users decryption passcode transformed ...
2
votes
2answers
226 views

Test Android Secure Encrypted Traffic

For testing android traffic encryption I have configured a VPN client in my phone. What simple test I can perform in my home wifi network to verify that the traffic is really encrypted and secure?
4
votes
1answer
837 views

Encrypting data for Android mobile app

I am creating a mobile app for Android. This is my first mobile app by the way. I have decided to store data used in my app in a SQLite database in the target Android device. The data I am storing ...
6
votes
1answer
293 views

Android and AES side channel attacks

I am working on a project that will involve symmetric AES 128 bit encrypted communication between an Android application and a bluetooth device. Are there any public AES libraries available for ...
2
votes
1answer
948 views

Kik | WhatsApp - Encrypted? iOS / Android Message encryption tips [closed]

Kik says that their client is using ssl etc. But it's kind of hard to tell if the messages is actually encrypted between the devices. What i can understand is that they don't got device-to-device ...
3
votes
1answer
369 views

Sip call Developing in android with secure data transfer

I would like to make an application similar to RedPhone on android. I took a look at SipDemo from developer.android.com and at the android.net.sip package.My question is, when you make/receive a call, ...
4
votes
1answer
436 views

Android for the Paranoid

In the case of a rooted phone, what are the various options to stay anonymous and keep your data secure? I've seen the guys at The Guardian Project work towards this: ...
1
vote
1answer
441 views

Android application level encryption cracking

We come across Android applications which use the custom encryption. When we proxy the Android phone or emulator, the proxy captures traffic which is unreadable. Is there a known technique to read ...
4
votes
1answer
940 views

How can I store downloaded video securely to device's sd card?

I want to save videos in my android mobile's SD card securely such no other application or user can use it, outside the application or on any other devices. So for this what can I do? I think about ...
3
votes
1answer
482 views

Which encryption algo should be best for an Android application [duplicate]

Possible Duplicate: Which type of encryption algorithms android supports, and which would be better? I am confused about to use of DES. Triple DES, RSA and AES algorithms, I think I ...
4
votes
3answers
6k views

Which type of encryption algorithms android supports, and which would be better?

I read this documentation, and I have written an algo to encrypt and decrypt a string. But I don't know how many types of algorithms android supports. Regarding DES and AES (As wiki documentation) ...
7
votes
2answers
1k views

3DES vs DES for VPN connections

I'm trying to get Android 2.1 phones to connect to our corporate VPN, but it would appear they only support DES rather than 3DES for encryption. Is it safe to use DES, am I going to get hacked if I ...