rijndael Questions

3

Solved

I am working on a base encryption method. I am using RijndaelManaged. I got this code from somewhere a long time ago, but can't remember where. I had my code working before, but something changed ...
Homogeny asked 3/6, 2009 at 13:44

6

Solved

How to generate Rijndael KEY and IV using a passphrase? The key length must be in 256 bits.
Documentation asked 26/6, 2011 at 8:12

1

Solved

I'm trying to encrypt a string with RijndaelManaged in order to send it to a third-party service. I've implemented the procedure in older versions of .Net framework (4.5, 4.6.x) like below: Rijnda...
Dupuis asked 8/10, 2018 at 9:48

6

Solved

I'm using Rijndael to encrypt some sensitive data in my program. When the user enters an incorrect password, most of the time a CryptographicException is thrown with the message "Padding is invali...

3

Right now the only way I can get the RijndaelManaged algorithm to work on a computer with the Local Security Setting for FIPS turned on, is to disable it. It is a government computer, so I'm not su...
Dionysiac asked 2/6, 2009 at 11:37

2

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For certain reasons I need to implement Rijndael de/compression with a blocksize of 256 bits instead of AES which uses a block size of 128 bits (reason: data is encrypted in PHP using Rijndael...)....
Showing asked 10/11, 2011 at 16:46

1

Solved

I have referred the following sites for the Rijndael and Asp.net hashing implementations in the following url. Rijndael - How to generate Rijndael KEY and IV using a passphrase? Asp.net hashing -...
Gadson asked 13/10, 2016 at 5:19

2

I need to encode a string in Java and php where the result must be the same. The following conditions are given: algorithm: RIJNDAEL-128 key: 5P443m2Q1R9A7f5r3e1z08642 mode: ECB initialization v...
Steven asked 13/1, 2015 at 11:28

3

I am looking to encrypt some data using Rijndael/AES in VBScript using a specific key and IV value. Are there any good function libraries or COM components that would be good to use? I looked at C...
Odette asked 6/11, 2008 at 22:5

0

We are trying to integrate with a legacy c# application that uses RijndaelManaged for symmetric encryption. However it appears that they have used a 13 byte string as an encryption key! The code i...
Alfieri asked 15/1, 2015 at 13:38

1

Solved

So I'm trying to use PBKDF2 to derive a key given a base64 string of 256 bits. I am able to use C#'s Rfc2898DeriveBytes and node-crypto's pbkdf2 to derive the same key, however, I can't say the sam...
Valverde asked 2/12, 2014 at 7:58

3

Solved

I am trying to use the DEC 3.0 library (Delphi Encryption Compedium Part I) to encrypt data in Delphi 7 and send it to a PHP script through POST, where I am decrypting it with mcrypt (RIJNDAEL_256,...
Cursorial asked 10/2, 2012 at 10:43

4

Solved

I'm playing around with an app to backup files to "the cloud" :) and I want to encrypt the files before I store them. That part I have covered, but as this app will be monitoring folders for change...
Kelci asked 16/1, 2012 at 13:10

2

Solved

I am working in a C# application. We have common methods to store data on a file. These methods encrypt the data and store them on the file system. when we need the data, ReadData method decrypts t...
Vesiculate asked 17/3, 2014 at 22:35

1

Solved

I'm currently needing a way to encrypt a string and decrypt a byte array using AES-128 symmetrical encryption, in C#. I can't find a way how to do this, but maybe I've missed something.
Tentacle asked 18/10, 2013 at 4:32

1

Solved

There are two ways to specify a key and an IV for a RijndaelManaged object. One is by calling CreateEncryptor: var encryptor = rij.CreateEncryptor(Encoding.UTF8.GetBytes(key), Encoding.UTF8.GetByt...
Lindbergh asked 6/3, 2013 at 23:44

3

Solved

For quite sometime I've been trying to decipher the ASP .ASPXAUTH cookie and decrypt it using PHP. My reasons are huge and I need to do this, there is no alternative. In PHP so far I have successfu...
Weldonwelfare asked 28/8, 2012 at 18:53

1

Solved

I need to translate a powershell script with Rijandael encryption to Java. Here is the source powershell code: [Reflection.Assembly]::LoadWithPartialName("System.Security") Add-Type -AssemblyName ...
Spurry asked 4/4, 2013 at 7:20

3

I have an encryption tool written in C# that take a string as input. When i run the compiled exe file on my windows machine i get an output that is different from when i run it on the remote UNIX s...
Decillion asked 2/5, 2011 at 23:37

1

String plain1= "Test"; byte[] cipher = SplashSecure.getInstance().encrypt2(plain1); String plain2 = SplashSecure.getInstance().decrypt2(cipher); plain = Test������������������������ After dec...
Periphery asked 2/3, 2013 at 4:44

2

Solved

I have a working decryption in ActionScript 3, now I want to get the same result when decrypting in Java. (I know that the OFB-mode and NullPadding is probably not preferred, but that's what I used...
Ringe asked 15/10, 2012 at 14:1

0

Can anyone give example usage for using System.Security.Cryptography.RijndaelManaged from native Win32 using COM? Here is a functional example of how to use .NET's System.Security.Cryptography.S...
Tench asked 15/8, 2012 at 16:2

2

Solved

A PHP application I'm maintaining uses Rijndael_256 with EBC_MODE encryption with mcrypt. Fun has it that the key isn't 256 bits long, but only 160. According to the mcrypt_encrypt documentation th...
Pleo asked 18/7, 2012 at 12:3

2

I need to encode a cleartext in Java and php where the result must be the same. The following conditions are given: algorithm: RIJNDAEL-128 key: 1234567890123456 mode: cfb initialization vector:...
Cullan asked 13/4, 2012 at 7:5

1

Solved

I have the DCPCrypt package (latest version) and am trying to do AES/Rijndael CBC encoding (128 bit blocks, 256 bit key) in Delphi2007 with test values from the AES Known Answer Test (KAT) Vectors ...
Fashionable asked 29/11, 2011 at 16:12

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