121 lines
3.5 KiB
C#
121 lines
3.5 KiB
C#
//
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// Unit tests for AesCryptoServiceProvider
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//
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// Author:
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// Sebastien Pouliot <sebastien@xamarin.com>
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//
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// Copyright (C) 2013 Xamarin Inc (http://www.xamarin.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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#if !MOBILE
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using System;
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using System.Security.Cryptography;
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using NUnit.Framework;
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namespace MonoTests.System.Security.Cryptography {
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[TestFixture]
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public class AesCryptoServiceProviderTest {
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[Test]
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[ExpectedException (typeof (CryptographicException))]
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public void CTS_NotAllowed ()
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{
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// this check is normally (e.g. RijndaelManaged) done later
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using (var aes = new AesCryptoServiceProvider ()) {
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aes.Mode = CipherMode.CTS;
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}
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}
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[Test]
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public void CBC_Allowed ()
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{
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using (var aes = new AesCryptoServiceProvider ()) {
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aes.Mode = CipherMode.CBC;
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}
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}
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[Test]
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public void ECB_Allowed ()
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{
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using (var aes = new AesCryptoServiceProvider ()) {
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aes.Mode = CipherMode.ECB;
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}
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}
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[Test]
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public void OFB_Allowed ()
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{
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// this not supported by AesManaged
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using (var aes = new AesCryptoServiceProvider ()) {
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aes.Mode = CipherMode.OFB;
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// FIXME: check is really implemented (or if the check is only done later, like RjindaelManaged)
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}
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}
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[Test]
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public void CFB_Allowed ()
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{
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using (var aes = new AesCryptoServiceProvider ()) {
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// AesManaged does not support CFB at all
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aes.Mode = CipherMode.CFB;
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Assert.AreEqual (8, aes.FeedbackSize, "FeedbackSize (default)");
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int block_size = aes.BlockSize / 8;
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for (int i = 8; i <= 64; i += 8) {
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aes.FeedbackSize = i;
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using (ICryptoTransform t = aes.CreateEncryptor ()) {
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// RjindaelManaged transform block size are different!
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Assert.AreEqual (block_size, t.InputBlockSize, "InputBlockSize CFB{0}", i);
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Assert.AreEqual (block_size, t.OutputBlockSize, "OutputBlockSize CFB{0}", i);
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}
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}
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}
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}
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[Test]
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[ExpectedException (typeof (CryptographicException))]
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public void CFB_TooSmall ()
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{
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using (var aes = new AesCryptoServiceProvider ()) {
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aes.Mode = CipherMode.CFB;
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aes.FeedbackSize = 0;
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}
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}
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[Test]
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[ExpectedException (typeof (CryptographicException))]
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public void CFB_TooBig ()
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{
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using (var aes = new AesCryptoServiceProvider ()) {
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aes.Mode = CipherMode.CFB;
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aes.FeedbackSize = 72;
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Assert.AreEqual (72, aes.FeedbackSize, "FeedbackSize");
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// we can't set it but can't use it
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aes.CreateEncryptor (aes.Key, aes.IV);
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}
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}
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}
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}
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#endif |