Problem I recently found an Objective-C extension on NSData that encodes and decodes data with AES-128. I made an attempt […]

# Tag: aes

## Basic AES/CBC implementation in Java

Problem A little bit about myself: I am 18 years old, a student living in Germany and currently working on […]

## Symmetric encryption/decryption routine using AES

Problem The following is a symmetric encryption/decryption routine using AES in GCM mode. This code operates in the application layer, […]

## Java AES file encryption/decryption

Problem I’ve written a simple Java class to encrypt and decrypt files using AES. The code works and I’m able […]

## Validate implementation of ECIES

Problem I’ve created a basic implementation of ECIES (Elliptic Curve Integrated Encryption Scheme) based on http://www.secg.org/sec1-v2.pdf section 5.1. /// <summary> […]

## Java AES file encryption/decryption

Problem I’ve written a simple Java class to encrypt and decrypt files using AES. The code works and I’m able […]

## CRT mode for AES

Problem I needed to implement CRT mode for AES and coded following codes. But I am not an expert so […]

## Password hashing (PBKDF2) and RSA encrypt + AES 256 in Java

Problem Here’s what I could comprehend in C code: Generates a key using PBKDF2 Generates an IV which is MD5 […]

## AES-256-CBC encrypt and decrypt files in Python

Problem I wrote a simple algorithm to encrypt and decrypt files in Python using aes-256-cbc. from Crypto import Random from […]

## Rijndael for use in production systems

Problem I found an example of how to implement Rijndael. This class uses a symmetric key algorithm (Rijndael/AES) to encrypt […]