Questions tagged [aes]

Advanced Encryption Standard (AES) is a cryptographic block cipher algorithm.

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AES encryption in PHP

PHP doesn't have a built-in functions for AES (specifically, AES-128) encoding/decoding, so I've had to implement my own, and this is what I have come up to (of course, taken from different many ...
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2answers
4k views

AES-encrypted key store

I am writing a program that needs to retain specific data but that should not be easily readable. I am in no way very skilled in crypto but I wrote this class that takes all of the data in and then ...
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1answer
4k views

256 bit AES encryption in Android

I am using the following code to encrypt a file in an SD card in Android: I want the code to be reviewed for: Security (prioritize this) Coding Style Performance ...
11
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3answers
10k views

Symmetrical encryption in C#

I'm trying to symmetrically encrypt some data using C#, and there seems to be a lot of misleading or incorrect information out there on the subject. I created a project on GitHub to act as some sort ...
3
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1answer
5k views

Rijndael for use in production systems

I found an example of how to implement Rijndael. This class uses a symmetric key algorithm (Rijndael/AES) to encrypt and decrypt data. As long as encryption and decryption routines use the same ...
4
votes
2answers
618 views

Encryption wrapper

I am writing an encryption class using Crypto++. The idea is that the client connects using RSA (encrypt, decrypt) with username, password, 32 byte key. The server will then return using the stream ...
5
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1answer
17k views

Symmetric encryption/decryption routine using AES

The following is a symmetric encryption/decryption routine using AES in GCM mode. This code operates in the application layer, and is meant to receive user specific and confidential information and ...
3
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1answer
7k views

AES-128 encrypt/decipher class

For the past few days I've been working on a AES-128 encrypt/decipher class. I needed something very scaled down from Cryptolib so that I didn't have to constantly ...
8
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2answers
33k views

Secure AES encryption and decryption in Android [closed]

Is this implementation of AES for Android safe? Is it 128 bit encryption? How can I strengthen this implementation? Please help me, all suggestions are welcome :) ...
9
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2answers
29k views

C# AES Encryption

I've been researching AES encryption a bit over the past several days. The official (MSDN) examples I've seen are encrypting and decrypting using the same AES instance. They don't go in to what to do ...
5
votes
2answers
756 views

An AES Cryptography Wrapper

I built this wrapper over the System.Security.Cryptography.Aes encryption/decryption so that one need only instance the class and call the appropriate methods. This makes it much simpler to work with ...

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