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//
// DSATest.cs - NUnit Test Cases for DSA
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2002 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2005 Novell Inc. (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using NUnit.Framework;
using System;
using System.Security.Cryptography;
namespace MonoTests.System.Security.Cryptography {
#if NET_2_0
public class NonAbstractDSAForUnitTests : DSA {
protected DSAParameters dsa;
// not tested here - but we must implemented all abstract properties
public override string KeyExchangeAlgorithm
{
get { return null; }
}
// not tested here - but we must implemented all abstract properties
public override string SignatureAlgorithm
{
get { return null; }
}
// not tested here - but we must implemented all abstract methods
public override byte[] CreateSignature (byte[] rgbHash)
{
return null;
}
// basic implementation for tests
public override DSAParameters ExportParameters (bool includePrivateParameters)
{
DSAParameters dsaParams = dsa;
if (!includePrivateParameters)
dsaParams.X = null;
return dsaParams;
}
// basic implementation for tests
public override void ImportParameters (DSAParameters parameters)
{
dsa.P = parameters.P;
dsa.Q = parameters.Q;
dsa.G = parameters.G;
dsa.J = parameters.J;
dsa.Y = parameters.Y;
if (parameters.X != null) {
// watch out for private key zeroification
dsa.X = (byte[])parameters.X.Clone ();
}
dsa.Seed = parameters.Seed;
dsa.Counter = parameters.Counter;
}
// not tested here - but we must implemented all abstract methods
public override bool VerifySignature (byte[] rgbHash, byte[] rgbSignature)
{
return false;
}
protected override void Dispose (bool disposing) {}
}
#endif
[TestFixture]
public class DSATest : Assertion {
protected DSA dsa;
static string xmlPrivate = "<DSAKeyValue><P>s/Oc0t4gj0NRqkCKi4ynJnOAEukNhjkHJPOzNsHP69kyHMUwZ3AzOkLGYOWlOo2zlYKzSbZygDDI5dCWA5gQF2ZGHEUlWJMgUyHmkybOi44cyHaX9yeGfbnoc3xF9sYgkA3vPUZaJuYMOsBp3pyPdeN8/mLU8n0ivURyP+3Ge9M=</P><Q>qkcTW+Ce0L5k8OGTUMkRoGKDc1E=</Q><G>PU/MeGp6I/FBduuwD9UPeCFzg8Ib9H5osku5nT8AhHTY8zGqetuvHhxbESt4lLz8aXzX0oIiMsusBr6E/aBdooBI36fHwW8WndCmwkB1kv7mhRIB4302UrfvC2KWQuBypfl0++a1whBMCh5VTJYH1sBkFIaVNeUbt5Q6/UdiZVY=</G><Y>shJRUdGxEYxSKM5JVol9HAdQwIK+wF9X4n9SAD++vfZOMOYi+M1yuvQAlQvnSlTTWr7CZPRVAICLgDBbqi9iN+Id60ccJ+hw3pGDfLpJ7IdFPszJEeUO+SZBwf8njGXULqSODs/NTciiX7E07rm+KflxFOg0qtWAhmYLxIkDx7s=</Y><J>AAAAAQ6LSuRiYdsocZ6rgyqIOpE1/uCO1PfEn758Lg2VW6OHJTYHNC30s0gSTG/Jt3oHYX+S8vrtNYb8kRJ/ipgcofGq2Qo/cYKP7RX2K6EJwSfWInhsNMr1JmzuK0lUKkXXXVo15fL8O2/16uEWMg==</J><Seed>uYM5b20luvbuyevi9TXHwekbr5s=</Seed><PgenCounter>4A==</PgenCounter><X>fAOytZttUZFzt/AvwRinmvYKL7E=</X></DSAKeyValue>";
static string xmlPublic = "<DSAKeyValue><P>s/Oc0t4gj0NRqkCKi4ynJnOAEukNhjkHJPOzNsHP69kyHMUwZ3AzOkLGYOWlOo2zlYKzSbZygDDI5dCWA5gQF2ZGHEUlWJMgUyHmkybOi44cyHaX9yeGfbnoc3xF9sYgkA3vPUZaJuYMOsBp3pyPdeN8/mLU8n0ivURyP+3Ge9M=</P><Q>qkcTW+Ce0L5k8OGTUMkRoGKDc1E=</Q><G>PU/MeGp6I/FBduuwD9UPeCFzg8Ib9H5osku5nT8AhHTY8zGqetuvHhxbESt4lLz8aXzX0oIiMsusBr6E/aBdooBI36fHwW8WndCmwkB1kv7mhRIB4302UrfvC2KWQuBypfl0++a1whBMCh5VTJYH1sBkFIaVNeUbt5Q6/UdiZVY=</G><Y>shJRUdGxEYxSKM5JVol9HAdQwIK+wF9X4n9SAD++vfZOMOYi+M1yuvQAlQvnSlTTWr7CZPRVAICLgDBbqi9iN+Id60ccJ+hw3pGDfLpJ7IdFPszJEeUO+SZBwf8njGXULqSODs/NTciiX7E07rm+KflxFOg0qtWAhmYLxIkDx7s=</Y><J>AAAAAQ6LSuRiYdsocZ6rgyqIOpE1/uCO1PfEn758Lg2VW6OHJTYHNC30s0gSTG/Jt3oHYX+S8vrtNYb8kRJ/ipgcofGq2Qo/cYKP7RX2K6EJwSfWInhsNMr1JmzuK0lUKkXXXVo15fL8O2/16uEWMg==</J><Seed>uYM5b20luvbuyevi9TXHwekbr5s=</Seed><PgenCounter>4A==</PgenCounter></DSAKeyValue>";
[SetUp]
public void SetUp ()
{
#if NET_2_0
dsa = new NonAbstractDSAForUnitTests ();
#else
dsa = new DSACryptoServiceProvider ();
#endif
}
public void AssertEquals (string msg, byte[] array1, byte[] array2)
{
AllTests.AssertEquals (msg, array1, array2);
}
// may also help for DSA descendants
public void AssertEquals (string message, DSAParameters expectedKey, DSAParameters actualKey, bool checkPrivateKey)
{
AssertEquals( message + " Counter", expectedKey.Counter, actualKey.Counter );
AssertEquals( message + " G", expectedKey.G, actualKey.G );
AssertEquals( message + " J", expectedKey.J, actualKey.J );
AssertEquals( message + " P", expectedKey.P, actualKey.P );
AssertEquals( message + " Q", expectedKey.Q, actualKey.Q );
AssertEquals( message + " Seed", expectedKey.Seed, actualKey.Seed );
AssertEquals( message + " Y", expectedKey.Y, actualKey.Y );
if (checkPrivateKey)
AssertEquals( message + " X", expectedKey.X, actualKey.X );
}
// LAMESPEC: ImportParameters inverse the byte arrays inside DSAParameters !!!
// importing and exporting a DSA key (including private key)
[Test]
public void DSAImportPrivateExportPrivate()
{
DSAParameters input = AllTests.GetKey (true);
dsa.ImportParameters (input);
string xmlDSA = dsa.ToXmlString (true);
dsa.FromXmlString (xmlDSA);
AssertEquals ("DSA Import Private Export Private (xml)", xmlPrivate, xmlDSA);
DSAParameters output = dsa.ExportParameters (true);
AssertEquals ("DSA Import Private Export Private (binary)", AllTests.GetKey (true), output, true);
}
// importing and exporting a DSA key (without private key)
[Test]
public void DSAImportPrivateExportPublic()
{
DSAParameters input = AllTests.GetKey (true);
dsa.ImportParameters (input);
string xmlDSA = dsa.ToXmlString (false);
dsa.FromXmlString (xmlDSA);
AssertEquals ("DSA Import Private Export Public (xml)", xmlPublic, xmlDSA);
DSAParameters output = dsa.ExportParameters (false);
AssertEquals ("DSA Import Private Export Public (binary)", AllTests.GetKey (true), output, false);
}
// importing and exporting a DSA key (including private key)
[Test]
#if NET_2_0
[ExpectedException (typeof (ArgumentNullException))]
#else
[ExpectedException (typeof (CryptographicException))]
#endif
public void DSAImportPublicExportPrivate()
{
DSAParameters input = AllTests.GetKey (false);
dsa.ImportParameters (input);
string xmlDSA = dsa.ToXmlString (true);
}
// importing and exporting a DSA key (without private key)
[Test]
public void DSAImportPublicExportPublic()
{
DSAParameters input = AllTests.GetKey (false);
dsa.ImportParameters (input);
string xmlDSA = dsa.ToXmlString (false);
dsa.FromXmlString (xmlDSA);
AssertEquals ("DSA Import Public Export Public (xml)", xmlPublic, xmlDSA);
DSAParameters output = dsa.ExportParameters (false);
AssertEquals ("DSA Import Public Export Public (binary)", AllTests.GetKey (false), output, true);
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void FromXmlStringNull ()
{
dsa.FromXmlString (null);
}
[Test]
public void ToXmlStringWithoutSeed ()
{
DSA d = DSA.Create ();
d.FromXmlString ("<DSAKeyValue><P>vb95327o8+f5lbrS9qSXxLQYTkcP/WTlJnI0fuw/vFaf7DFQe/ORdTqpa0I3okDOcRiUihzr0y58aQarlNf58MMhMcx/XqRzB2UOVZ/bt2EpfAC3CISwXHlHFoW6+dCHpc72aJOXpreWV6k0oZUg71tKMsPVUP1I8xgELArxAUE=</P><Q>5ul/yRjQ8hFv4w94ZHsP337ebjk=</Q><G>NunCU4DkWaq6IKKhRPCMBBmMgILU8Zqd3aHe0UyKZLYFSOjcKkOIPJ9iWtfDtErHcxb3yjHRV6/EndR+wX8rNsTjYDeUGg5vC6IV4Es+rRCmhVXQ7Y2N+bAH71VxPRbNC90NjgYqKwXZHf2l6c+W4XRvRvNiM5puwz+ubWcm5AA=</G><Y>hQinH+upZPNtTS2o7bi03EOybn9eHC8U61/Rax+oe00YPG+0Md7Okup6CMxZmww0n2F8W7YRZeI7Pltm8TlpmUdMmGSAiILUX585vFM19GR4XeSecqpj1BFO/x4T9tGeakoWxquEjFl4JqEuvDQwnvM76jWDmkUTI4U8kJPnHcw=</Y><J>0l0NjQKpwTJt+h8qmlXhbt4jL+OnaSZkM1zdyIPmOpNavJz7slGtoDAneoQ8STNiT+RrNqGdPbs5glAP8sXS0mdKJ6dGQuySGwGZTP9cWCq81YjRJJ74QuPJUYUruuhN0RTkiukqGzkJYQtA</J></DSAKeyValue>");
d.ToXmlString (false);
}
[Test]
public void ToXmlStringWithZeroCounter ()
{
DSA d = DSA.Create ();
// <PgenCounter>AA==</PgenCounter> == 0
d.FromXmlString ("<DSAKeyValue><P>s/Oc0t4gj0NRqkCKi4ynJnOAEukNhjkHJPOzNsHP69kyHMUwZ3AzOkLGYOWlOo2zlYKzSbZygDDI5dCWA5gQF2ZGHEUlWJMgUyHmkybOi44cyHaX9yeGfbnoc3xF9sYgkA3vPUZaJuYMOsBp3pyPdeN8/mLU8n0ivURyP+3Ge9M=</P><Q>qkcTW+Ce0L5k8OGTUMkRoGKDc1E=</Q><G>PU/MeGp6I/FBduuwD9UPeCFzg8Ib9H5osku5nT8AhHTY8zGqetuvHhxbESt4lLz8aXzX0oIiMsusBr6E/aBdooBI36fHwW8WndCmwkB1kv7mhRIB4302UrfvC2KWQuBypfl0++a1whBMCh5VTJYH1sBkFIaVNeUbt5Q6/UdiZVY=</G><Y>shJRUdGxEYxSKM5JVol9HAdQwIK+wF9X4n9SAD++vfZOMOYi+M1yuvQAlQvnSlTTWr7CZPRVAICLgDBbqi9iN+Id60ccJ+hw3pGDfLpJ7IdFPszJEeUO+SZBwf8njGXULqSODs/NTciiX7E07rm+KflxFOg0qtWAhmYLxIkDx7s=</Y><J>AAAAAQ6LSuRiYdsocZ6rgyqIOpE1/uCO1PfEn758Lg2VW6OHJTYHNC30s0gSTG/Jt3oHYX+S8vrtNYb8kRJ/ipgcofGq2Qo/cYKP7RX2K6EJwSfWInhsNMr1JmzuK0lUKkXXXVo15fL8O2/16uEWMg==</J><Seed>uYM5b20luvbuyevi9TXHwekbr5s=</Seed><PgenCounter>AA==</PgenCounter><X>fAOytZttUZFzt/AvwRinmvYKL7E=</X></DSAKeyValue>");
d.ToXmlString (false);
}
[Test]
public void ImportExportWithoutJ ()
{
DSA d = DSA.Create ();
DSAParameters input = AllTests.GetKey (false);
input.J = null;
// J is calculated (usually pre-calculated)
d.ImportParameters (input);
input = d.ExportParameters (false);
// if J isn't imported, then it's not exportable and not part of the xml
AssertNull ("exported-J", input.J);
AssertEquals ("xml", "<DSAKeyValue><P>s/Oc0t4gj0NRqkCKi4ynJnOAEukNhjkHJPOzNsHP69kyHMUwZ3AzOkLGYOWlOo2zlYKzSbZygDDI5dCWA5gQF2ZGHEUlWJMgUyHmkybOi44cyHaX9yeGfbnoc3xF9sYgkA3vPUZaJuYMOsBp3pyPdeN8/mLU8n0ivURyP+3Ge9M=</P><Q>qkcTW+Ce0L5k8OGTUMkRoGKDc1E=</Q><G>PU/MeGp6I/FBduuwD9UPeCFzg8Ib9H5osku5nT8AhHTY8zGqetuvHhxbESt4lLz8aXzX0oIiMsusBr6E/aBdooBI36fHwW8WndCmwkB1kv7mhRIB4302UrfvC2KWQuBypfl0++a1whBMCh5VTJYH1sBkFIaVNeUbt5Q6/UdiZVY=</G><Y>shJRUdGxEYxSKM5JVol9HAdQwIK+wF9X4n9SAD++vfZOMOYi+M1yuvQAlQvnSlTTWr7CZPRVAICLgDBbqi9iN+Id60ccJ+hw3pGDfLpJ7IdFPszJEeUO+SZBwf8njGXULqSODs/NTciiX7E07rm+KflxFOg0qtWAhmYLxIkDx7s=</Y><Seed>uYM5b20luvbuyevi9TXHwekbr5s=</Seed><PgenCounter>4A==</PgenCounter></DSAKeyValue>", d.ToXmlString (false));
}
}
}
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