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POC# AES CBC wrong result
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copied!<p>I'm trying to encrypt (AES) some data using C#.</p> <p>However I am getting a different result compared to a website: <a href="http://www.phpaes.com/index.php#encrypt" rel="nofollow">http://www.phpaes.com/index.php#encrypt</a></p> <p>Testdata:</p> <pre><code>Key = "abcdef1234567890" IV = "1234567890abcdef" Text = "test" </code></pre> <p>My C# code looks like this:</p> <pre><code>using System; using System.IO; using System.Security.Cryptography; using System.Text; namespace Test { class Program { public static void Main() { try { using (AesCryptoServiceProvider aes = new AesCryptoServiceProvider()) { aes.Mode = CipherMode.CBC; aes.Key = Encoding.UTF8.GetBytes("abcdef1234567890"); aes.IV = Encoding.UTF8.GetBytes("1234567890abcdef"); ICryptoTransform encryptor = aes.CreateEncryptor(); using (MemoryStream msEncrypt = new MemoryStream()) { using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write)) { using (StreamWriter swEncrypt = new StreamWriter(csEncrypt)) { swEncrypt.Write(Encoding.UTF8.GetBytes("test")); } byte[] encrypted = msEncrypt.ToArray(); Console.WriteLine(Convert.ToBase64String(encrypted)); } } Console.ReadKey(); } } catch (Exception e) { Console.WriteLine("Error: {0}", e.Message); } } } } </code></pre> <p>Results: (Base64)</p> <p>C#-Program: nhb34JyWvhiqiz8Gq9Z/kA==</p> <p>Website: 8jbduVNSb0Cz4cF+Cm9pCw==</p> <p>Why is that? Does it have to do with encodings? Is there something I forgot to add to the code? Thanks.</p>

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