mcs/class/corlib/Test/System.Security.Cryptography/DSATest.cs

   1 //
   2 // DSATest.cs - NUnit Test Cases for DSA
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // (C) 2002 Motus Technologies Inc. (http://www.motus.com)
   8 // Copyright (C) 2005, 2008 Novell Inc. (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using NUnit.Framework;
  31 using System;
  32 using System.Security.Cryptography;
  33
  34 namespace MonoTests.System.Security.Cryptography {
  35
  36
  37         public class NonAbstractDSAForUnitTests : DSA {
  38                 protected DSAParameters dsa;
  39
  40                 // not tested here - but we must implemented all abstract properties
  41                 public override string KeyExchangeAlgorithm
  42                 {
  43                         get { return null; }
  44                 }
  45
  46                 // not tested here - but we must implemented all abstract properties
  47                 public override string SignatureAlgorithm
  48                 {
  49                         get { return null; }
  50                 }
  51
  52                 // not tested here - but we must implemented all abstract methods
  53                 public override byte [] CreateSignature (byte [] rgbHash)
  54                 {
  55                         return null;
  56                 }
  57
  58                 // basic implementation for tests
  59                 public override DSAParameters ExportParameters (bool includePrivateParameters)
  60                 {
  61                         DSAParameters dsaParams = dsa;
  62                         if (!includePrivateParameters)
  63                                 dsaParams.X = null;
  64                         return dsaParams;
  65                 }
  66
  67                 // basic implementation for tests
  68                 public override void ImportParameters (DSAParameters parameters)
  69                 {
  70                         dsa.P = parameters.P;
  71                         dsa.Q = parameters.Q;
  72                         dsa.G = parameters.G;
  73                         dsa.J = parameters.J;
  74                         dsa.Y = parameters.Y;
  75                         if (parameters.X != null) {
  76                                 // watch out for private key zeroification
  77                                 dsa.X = (byte []) parameters.X.Clone ();
  78                         }
  79                         dsa.Seed = parameters.Seed;
  80                         dsa.Counter = parameters.Counter;
  81                 }
  82
  83                 // not tested here - but we must implemented all abstract methods
  84                 public override bool VerifySignature (byte [] rgbHash, byte [] rgbSignature)
  85                 {
  86                         return false;
  87                 }
  88
  89                 protected override void Dispose (bool disposing) { }
  90         }
  91
  92         [TestFixture]
  93         public class DSATest {
  94
  95                 protected DSA dsa;
  96
  97                 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>";
  98
  99                 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>";
 100
 101                 [SetUp]
 102                 public void SetUp ()
 103                 {
 104                         dsa = new NonAbstractDSAForUnitTests ();
 105                 }
 106
 107                 public void AssertEquals (string msg, byte [] array1, byte [] array2)
 108                 {
 109                         Assert.AreEqual (array1, array2, msg);
 110                 }
 111
 112                 // may also help for DSA descendants
 113                 public void AssertEquals (string message, DSAParameters expectedKey, DSAParameters actualKey, bool checkPrivateKey)
 114                 {
 115                         Assert.AreEqual (expectedKey.Counter, actualKey.Counter, message + " Counter");
 116                         AssertEquals (message + " G", expectedKey.G, actualKey.G);
 117                         AssertEquals (message + " J", expectedKey.J, actualKey.J);
 118                         AssertEquals (message + " P", expectedKey.P, actualKey.P);
 119                         AssertEquals (message + " Q", expectedKey.Q, actualKey.Q);
 120                         AssertEquals (message + " Seed", expectedKey.Seed, actualKey.Seed);
 121                         AssertEquals (message + " Y", expectedKey.Y, actualKey.Y);
 122                         if (checkPrivateKey)
 123                                 AssertEquals (message + " X", expectedKey.X, actualKey.X);
 124                 }
 125
 126                 // LAMESPEC: ImportParameters inverse the byte arrays inside DSAParameters !!!
 127                 // importing and exporting a DSA key (including private key)
 128                 [Test]
 129                 public void DSAImportPrivateExportPrivate ()
 130                 {
 131                         DSAParameters input = AllTests.GetKey (true);
 132                         dsa.ImportParameters (input);
 133                         string xmlDSA = dsa.ToXmlString (true);
 134                         dsa.FromXmlString (xmlDSA);
 135                         Assert.AreEqual (xmlPrivate, xmlDSA, "DSA Import Private Export Private (xml)");
 136                         DSAParameters output = dsa.ExportParameters (true);
 137                         AssertEquals ("DSA Import Private Export Private (binary)", AllTests.GetKey (true), output, true);
 138                 }
 139
 140                 // importing and exporting a DSA key (without private key)
 141                 [Test]
 142                 public void DSAImportPrivateExportPublic ()
 143                 {
 144                         DSAParameters input = AllTests.GetKey (true);
 145                         dsa.ImportParameters (input);
 146                         string xmlDSA = dsa.ToXmlString (false);
 147                         dsa.FromXmlString (xmlDSA);
 148                         Assert.AreEqual (xmlPublic, xmlDSA, "DSA Import Private Export Public (xml)");
 149                         DSAParameters output = dsa.ExportParameters (false);
 150                         AssertEquals ("DSA Import Private Export Public (binary)", AllTests.GetKey (true), output, false);
 151                 }
 152
 153                 // importing and exporting a DSA key (including private key)
 154                 [Test]
 155                 [ExpectedException (typeof (ArgumentNullException))]
 156                 public void DSAImportPublicExportPrivate ()
 157                 {
 158                         DSAParameters input = AllTests.GetKey (false);
 159                         dsa.ImportParameters (input);
 160                         string xmlDSA = dsa.ToXmlString (true);
 161                 }
 162
 163                 // importing and exporting a DSA key (without private key)
 164                 [Test]
 165                 public void DSAImportPublicExportPublic ()
 166                 {
 167                         DSAParameters input = AllTests.GetKey (false);
 168                         dsa.ImportParameters (input);
 169                         string xmlDSA = dsa.ToXmlString (false);
 170                         dsa.FromXmlString (xmlDSA);
 171                         Assert.AreEqual (xmlPublic, xmlDSA, "DSA Import Public Export Public (xml)");
 172                         DSAParameters output = dsa.ExportParameters (false);
 173                         AssertEquals ("DSA Import Public Export Public (binary)", AllTests.GetKey (false), output, true);
 174                 }
 175
 176                 [Test]
 177                 [ExpectedException (typeof (ArgumentNullException))]
 178                 public void FromXmlStringNull ()
 179                 {
 180                         dsa.FromXmlString (null);
 181                 }
 182
 183                 [Test]
 184                 public void ToXmlStringWithoutSeed ()
 185                 {
 186                         DSA d = DSA.Create ();
 187                         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>");
 188                         d.ToXmlString (false);
 189                 }
 190
 191                 [Test]
 192                 public void ToXmlStringWithZeroCounter ()
 193                 {
 194                         DSA d = DSA.Create ();
 195                         // <PgenCounter>AA==</PgenCounter> == 0
 196                         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>");
 197                         d.ToXmlString (false);
 198                 }
 199
 200                 [Test]
 201                 public void FromXmlString_InvalidTop ()
 202                 {
 203                         string xml = "<a><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></a>";
 204                         dsa.FromXmlString (xml);
 205                         Assert.AreEqual (xmlPublic, dsa.ToXmlString (false), "InvalidTop");
 206                 }
 207
 208                 [Test]
 209                 public void FromXmlString_Embedded ()
 210                 {
 211                         // from bug #355464
 212                         string xml = "<SigningKey version=\"1.0\">" + xmlPublic + "</SigningKey>";
 213                         dsa.FromXmlString (xml);
 214                         Assert.AreEqual (xmlPublic, dsa.ToXmlString (false), "Embedded");
 215                 }
 216
 217                 [Test]
 218                 public void FromXmlString_EmbeddedTwoLevelWithExtraElement ()
 219                 {
 220                         string xml = "<b><u>" + xmlPublic + "</u></b><i>why not ?</i>";
 221                         dsa.FromXmlString (xml);
 222                         Assert.AreEqual (xmlPublic, dsa.ToXmlString (false), "Deep");
 223                 }
 224
 225                 [Test]
 226                 public void FromXmlString_TwoKeys ()
 227                 {
 228                         DSA second = DSA.Create ();
 229                         string xml = "<two>" + xmlPublic + second.ToXmlString (false) + "</two>";
 230                         dsa.FromXmlString (xml);
 231                         Assert.AreEqual (xmlPublic, dsa.ToXmlString (false), "TwoKeys");
 232                 }
 233
 234                 [Test]
 235                 public void FromXmlString_InvalidXml ()
 236                 {
 237                         string xml = "<open>" + xmlPublic + "</close>";
 238                         dsa.FromXmlString (xml);
 239                         Assert.AreEqual (xmlPublic, dsa.ToXmlString (false), "Embedded");
 240                 }
 241
 242                 [Test]
 243                 public void ImportExportWithoutJ ()
 244                 {
 245                         DSA d = DSA.Create ();
 246                         DSAParameters input = AllTests.GetKey (false);
 247                         input.J = null;
 248                         // J is calculated (usually pre-calculated)
 249                         d.ImportParameters (input);
 250                         input = d.ExportParameters (false);
 251                         // if J isn't imported, then it's not exportable and not part of the xml
 252                         Assert.IsNull (input.J, "exported-J");
 253                         Assert.AreEqual ("<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), "xml");
 254                 }
 255
 256                 [Test]
 257                 public void ImportExportWithoutY ()
 258                 {
 259                         DSA d = DSA.Create ();
 260                         DSAParameters input = AllTests.GetKey (true);
 261                         input.Y = null;
 262                         // Y is calculated from X
 263                         d.ImportParameters (input);
 264                         Assert.AreEqual (xmlPrivate, d.ToXmlString (true), "xmlPrivate");
 265                         Assert.AreEqual (xmlPublic, d.ToXmlString (false), "xmlPublic");
 266                 }
 267         }
 268 }