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Dears, I need help to understand why decryptString doesn't work and throw 'java.security.I… Read more Android Encryption Rsa Invalidkeyexception

Since Android SDK 3.0, users can choose to encrypt their entire disk which basically amounts to enc… Read more Detecting Disk Encryption On Android

I wanted to encrypt a file based on a password, so I used the following code: private void encrypt(… Read more Unable To Decrypt A File Using Cipher Class

My knowledge of encryption is very basic, so apologies for any ignorance on my part. Within an Andr… Read more Rsa Using Spongycastle

I'm searching for a best practice for securely sending data FROM a remote server TO an android … Read more Developing For Android, Secure Data Transfer Best-practice

In my Android app I am communicating with a web service the data sent and responded are encrypted w… Read more Aes Encryption Java -> Php -> Java

I tried to decrypt a 4.2 MB .dcf file using AES 128 bit key, but it took 33 seconds to decrypt (on … Read more Slow Aes Decryption In Android

does someone know how to encrypte the password which the user add`s into the password field? I tri… Read more How Can I Encrypte My Password - Android Studio

I want to get ECDH keypair (Public key and Private key). This method is not working in Android 9.0 … Read more How Do I Get Ecdh Keypair In Android 9.0 Pie?

How could I convert String to 128 or 256 bit key for chacha20 Encryption . ChaCha20Encryptor c… Read more Illegalargumentexception Chacha20 Requires 128 Bit Or 256 Bit Key

I have an app which encrypts some text strings, and then writes these to a file. The desktop versio… Read more Decrypting Data On Desktop That Was Encrypted On Android

I'm currently trying to implement file decryption on my Android app. The file will be encrypted… Read more Decrypting Openssl-encrypted File On Android With Java

I get this screenshot, and when I press 'enter encryption key' Realm Browser opens up a bla… Read more Where Do I Type In The Password In The Realm Browser Mac App?

I believe this is a snippet from androidsnippets.org - why this isn't funcioning on Android 2.3… Read more Cipher Pad Block Corrupted On Gingerbread

I am using the methods below and if I enter the right key everything works fine. But if I enter a … Read more Android Aes Encryption Pad Block Corrupted

I know that a public client shouldn't use a client secret because, no matter how much you obfus… Read more Store Client Secret Securely

I am making a chat application using Firebase realtime database. I know that Firebase is very secur… Read more How To Encrypt Data Before Sending It To Firebase Database?

I want to generate the same encrypted string in iOS, android in .net. I can generate same string an… Read more Generate Same Encrypted String Aes/cbc/pkcs7padding In Objective C, .net And Android

This is my code : function decrypt($code) { $key = '3552ef55ecdf04324..'; // 64 byte… Read more Php - Openssl_decrypt Error : Wrong Final Block Length (aes 256 Cbc Mode Encryption/decryption)