1 // 2 // Aes(CryptoServiceProvider) CFB Unit Tests 3 // 4 // Author: 5 // Sebastien Pouliot <sebastien@xamarin.com> 6 // 7 // Copyright (C) 2013 Xamarin Inc (http://www.xamarin.com) 8 // 9 // Permission is hereby granted, free of charge, to any person obtaining 10 // a copy of this software and associated documentation files (the 11 // "Software"), to deal in the Software without restriction, including 12 // without limitation the rights to use, copy, modify, merge, publish, 13 // distribute, sublicense, and/or sell copies of the Software, and to 14 // permit persons to whom the Software is furnished to do so, subject to 15 // the following conditions: 16 // 17 // The above copyright notice and this permission notice shall be 18 // included in all copies or substantial portions of the Software. 19 // 20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27 // 28 29 using System; 30 using System.Collections.Generic; 31 using System.Security.Cryptography; 32 33 using NUnit.Framework; 34 35 namespace MonoTests.System.Security.Cryptography { 36 37 [TestFixture] 38 public class AesCfbTests : CfbTests { 39 GetInstance()40 protected override SymmetricAlgorithm GetInstance () 41 { 42 return Aes.Create (); 43 } 44 45 [Test] 46 [Category ("AndroidNotWorking")] // Exception is thrown: CryptographicException : Bad PKCS7 padding. Invalid length 236. 47 [Category ("MobileNotWorking")] // On testing_aot_full, above exception is thrown as well Roundtrip()48 public void Roundtrip () 49 { 50 // that will return a AesCryptoServiceProvider 51 var aes = GetInstance (); 52 #if MONOTOUCH 53 Assert.AreEqual ("System.Security.Cryptography.AesManaged", aes.ToString (), "Default"); 54 Assert.AreEqual (128, aes.FeedbackSize, "FeedbackSize"); 55 #else 56 Assert.AreEqual ("System.Security.Cryptography.AesCryptoServiceProvider", aes.ToString (), "Default"); 57 Assert.AreEqual (8, aes.FeedbackSize, "FeedbackSize"); 58 #endif 59 ProcessBlockSizes (aes); 60 } 61 62 // AesCryptoServiceProvider is not *Limited* since it supports CFB8-64 63 // but like all *CryptoServiceProvider implementations it refuse Padding.None 64 static PaddingMode[] csp_padding_modes = new [] { PaddingMode.PKCS7, PaddingMode.Zeros, PaddingMode.ANSIX923, PaddingMode.ISO10126 }; 65 66 protected override PaddingMode [] PaddingModes { 67 get { return csp_padding_modes; } 68 } 69 CFB(SymmetricAlgorithm algo)70 protected override void CFB (SymmetricAlgorithm algo) 71 { 72 algo.Mode = CipherMode.CFB; 73 // limited from 8-64 bits (RijndaelManaged goes to blocksize - but is incompatible) 74 for (int i = 8; i <= 64; i += 8) { 75 algo.FeedbackSize = i; 76 CFB (algo, i); 77 } 78 } 79 GetExpectedResult(SymmetricAlgorithm algo, byte [] encryptedData)80 protected override string GetExpectedResult (SymmetricAlgorithm algo, byte [] encryptedData) 81 { 82 #if false 83 return base.GetExpectedResult (algo, encryptedData); 84 #else 85 return test_vectors [GetId (algo)]; 86 #endif 87 } 88 89 static Dictionary<int, string> test_vectors = new Dictionary<int, string> () { 90 // padding None : The input data is not a complete block. 91 // block size: 128, key size: 128, padding: PKCS7, feedback: 8 92 { -2139094520, "99-69-66-99-00-71-BD-07-C1-51-7A-60-DD-3C-03-A6" }, 93 // block size: 128, key size: 128, padding: PKCS7, feedback: 16 94 { -2139094512, "99-98-A2-5F-57-12-44-8B-38-01-A6-01-AD-0B-B8-59" }, 95 // block size: 128, key size: 128, padding: PKCS7, feedback: 24 96 { -2139094504, "99-98-51-14-92-57-8A-B9-F5-B7-3D-CC-C9-C0-1D-0E" }, 97 // block size: 128, key size: 128, padding: PKCS7, feedback: 32 98 { -2139094496, "99-98-51-E5-E2-1D-47-05-A5-A6-5C-A4-FF-EC-30-E5" }, 99 // block size: 128, key size: 128, padding: PKCS7, feedback: 40 100 { -2139094488, "99-98-51-E5-15-6E-C4-AE-D1-53-58-D1-D7-68-EA-FD" }, 101 // block size: 128, key size: 128, padding: PKCS7, feedback: 48 102 { -2139094480, "99-98-51-E5-15-9F-DC-EE-C9-47-73-AB-74-B8-32-08" }, 103 // block size: 128, key size: 128, padding: PKCS7, feedback: 56 104 { -2139094472, "99-98-51-E5-15-9F-2F-57-BD-43-B4-63-71-18-39-B6" }, 105 // block size: 128, key size: 128, padding: PKCS7, feedback: 64 106 { -2139094464, "99-98-51-E5-15-9F-2F-A6-09-DC-C8-55-6F-EA-FC-21" }, 107 // block size: 128, key size: 128, padding: Zeros, feedback: 8 108 { -2139094264, "99-66-48-F8-D6-AB-E6-A6-A6-D8-B3-32-66-2F-44-6E" }, 109 // block size: 128, key size: 128, padding: Zeros, feedback: 16 110 { -2139094256, "99-98-AC-6E-83-98-A2-FF-4B-20-E9-79-31-9A-66-81" }, 111 // block size: 128, key size: 128, padding: Zeros, feedback: 24 112 { -2139094248, "99-98-51-19-42-6B-6F-34-29-48-1C-F4-2D-66-2E-48" }, 113 // block size: 128, key size: 128, padding: Zeros, feedback: 32 114 { -2139094240, "99-98-51-E5-EE-9B-3F-56-C7-47-3A-E5-5A-2D-6E-2E" }, 115 // block size: 128, key size: 128, padding: Zeros, feedback: 40 116 { -2139094232, "99-98-51-E5-15-65-32-85-14-5A-C6-74-13-0A-F5-DC" }, 117 // block size: 128, key size: 128, padding: Zeros, feedback: 48 118 { -2139094224, "99-98-51-E5-15-9F-D6-2F-2D-31-57-7C-AC-8C-53-B9" }, 119 // block size: 128, key size: 128, padding: Zeros, feedback: 56 120 { -2139094216, "99-98-51-E5-15-9F-2F-5E-F4-F8-DF-50-AE-70-DB-E9" }, 121 // block size: 128, key size: 128, padding: Zeros, feedback: 64 122 { -2139094208, "99-98-51-E5-15-9F-2F-A6-01-E3-E0-EB-87-35-30-74" }, 123 // block size: 128, key size: 128, padding: ANSIX923, feedback: 8 124 { -2139094008, "99-66-48-F8-D6-AB-E6-A6-A6-D8-B3-32-66-2F-44-61" }, 125 // block size: 128, key size: 128, padding: ANSIX923, feedback: 16 126 { -2139094000, "99-98-AC-6E-83-98-A2-FF-4B-20-E9-79-31-9A-66-8F" }, 127 // block size: 128, key size: 128, padding: ANSIX923, feedback: 24 128 { -2139093992, "99-98-51-19-42-6B-6F-34-29-48-1C-F4-2D-66-2E-45" }, 129 // block size: 128, key size: 128, padding: ANSIX923, feedback: 32 130 { -2139093984, "99-98-51-E5-EE-9B-3F-56-C7-47-3A-E5-5A-2D-6E-22" }, 131 // block size: 128, key size: 128, padding: ANSIX923, feedback: 40 132 { -2139093976, "99-98-51-E5-15-65-32-85-14-5A-C6-74-13-0A-F5-D7" }, 133 // block size: 128, key size: 128, padding: ANSIX923, feedback: 48 134 { -2139093968, "99-98-51-E5-15-9F-D6-2F-2D-31-57-7C-AC-8C-53-B3" }, 135 // block size: 128, key size: 128, padding: ANSIX923, feedback: 56 136 { -2139093960, "99-98-51-E5-15-9F-2F-5E-F4-F8-DF-50-AE-70-DB-E0" }, 137 // block size: 128, key size: 128, padding: ANSIX923, feedback: 64 138 { -2139093952, "99-98-51-E5-15-9F-2F-A6-01-E3-E0-EB-87-35-30-7C" }, 139 // block size: 128, key size: 128, padding: ISO10126, feedback: 8 140 { -2139093752, "99-1B-4F-28-42-3F-FE-50-C4-1A-E3-27-7A-BF-95-EB" }, 141 // block size: 128, key size: 128, padding: ISO10126, feedback: 16 142 { -2139093744, "99-98-E4-AE-6B-9D-EC-6A-4E-52-E9-60-30-26-E0-01" }, 143 // block size: 128, key size: 128, padding: ISO10126, feedback: 24 144 { -2139093736, "99-98-51-BF-A0-E9-53-CD-4E-50-35-A3-73-48-F1-E1" }, 145 // block size: 128, key size: 128, padding: ISO10126, feedback: 32 146 { -2139093728, "99-98-51-E5-73-AA-BD-FC-D8-28-E0-5D-CB-B5-3C-70" }, 147 // block size: 128, key size: 128, padding: ISO10126, feedback: 40 148 { -2139093720, "99-98-51-E5-15-DF-BF-29-0B-30-44-52-B6-FD-5E-66" }, 149 // block size: 128, key size: 128, padding: ISO10126, feedback: 48 150 { -2139093712, "99-98-51-E5-15-9F-54-26-F7-10-58-54-5A-EB-6D-07" }, 151 // block size: 128, key size: 128, padding: ISO10126, feedback: 56 152 { -2139093704, "99-98-51-E5-15-9F-2F-6D-F7-54-EC-5E-63-DE-42-4F" }, 153 // block size: 128, key size: 128, padding: ISO10126, feedback: 64 154 { -2139093696, "99-98-51-E5-15-9F-2F-A6-7B-00-DA-C3-BC-C3-79-96" }, 155 // padding None : The input data is not a complete block. 156 // block size: 128, key size: 192, padding: PKCS7, feedback: 8 157 { -2134900216, "55-1E-15-41-27-60-35-C7-73-7F-23-4F-75-0E-AF-FB" }, 158 // block size: 128, key size: 192, padding: PKCS7, feedback: 16 159 { -2134900208, "55-EF-7E-C3-9E-85-57-7B-10-47-8C-CB-89-2E-47-76" }, 160 // block size: 128, key size: 192, padding: PKCS7, feedback: 24 161 { -2134900200, "55-EF-8D-2B-1A-10-5E-6A-D8-D0-93-61-3D-47-E4-E4" }, 162 // block size: 128, key size: 192, padding: PKCS7, feedback: 32 163 { -2134900192, "55-EF-8D-DA-C8-DB-63-C4-44-4F-F4-B9-D3-D6-49-FE" }, 164 // block size: 128, key size: 192, padding: PKCS7, feedback: 40 165 { -2134900184, "55-EF-8D-DA-3F-66-3B-8F-9E-56-CE-FB-9D-1C-D2-57" }, 166 // block size: 128, key size: 192, padding: PKCS7, feedback: 48 167 { -2134900176, "55-EF-8D-DA-3F-97-F7-50-D1-C0-8C-1C-8A-23-72-80" }, 168 // block size: 128, key size: 192, padding: PKCS7, feedback: 56 169 { -2134900168, "55-EF-8D-DA-3F-97-04-72-4C-8B-56-79-92-0E-DD-64" }, 170 // block size: 128, key size: 192, padding: PKCS7, feedback: 64 171 { -2134900160, "55-EF-8D-DA-3F-97-04-83-3B-83-33-8C-CD-B0-D3-F9" }, 172 // block size: 128, key size: 192, padding: Zeros, feedback: 8 173 { -2134899960, "55-11-47-22-49-48-50-3E-D1-F9-E7-86-20-CC-0A-97" }, 174 // block size: 128, key size: 192, padding: Zeros, feedback: 16 175 { -2134899952, "55-EF-70-F3-BB-AA-FD-C8-A7-86-43-2C-4E-95-99-43" }, 176 // block size: 128, key size: 192, padding: Zeros, feedback: 24 177 { -2134899944, "55-EF-8D-26-F9-A2-3A-A2-E8-AD-93-34-53-56-B5-54" }, 178 // block size: 128, key size: 192, padding: Zeros, feedback: 32 179 { -2134899936, "55-EF-8D-DA-C4-D3-27-45-07-BF-C8-0E-EB-06-10-86" }, 180 // block size: 128, key size: 192, padding: Zeros, feedback: 40 181 { -2134899928, "55-EF-8D-DA-3F-6D-6A-BB-66-D5-AF-2E-C8-DF-BC-19" }, 182 // block size: 128, key size: 192, padding: Zeros, feedback: 48 183 { -2134899920, "55-EF-8D-DA-3F-97-FD-FA-4D-76-73-78-F6-6D-8F-0B" }, 184 // block size: 128, key size: 192, padding: Zeros, feedback: 56 185 { -2134899912, "55-EF-8D-DA-3F-97-04-7B-C7-27-61-14-44-3E-2A-88" }, 186 // block size: 128, key size: 192, padding: Zeros, feedback: 64 187 { -2134899904, "55-EF-8D-DA-3F-97-04-83-33-87-1A-F8-6A-27-BA-60" }, 188 // block size: 128, key size: 192, padding: ANSIX923, feedback: 8 189 { -2134899704, "55-11-47-22-49-48-50-3E-D1-F9-E7-86-20-CC-0A-98" }, 190 // block size: 128, key size: 192, padding: ANSIX923, feedback: 16 191 { -2134899696, "55-EF-70-F3-BB-AA-FD-C8-A7-86-43-2C-4E-95-99-4D" }, 192 // block size: 128, key size: 192, padding: ANSIX923, feedback: 24 193 { -2134899688, "55-EF-8D-26-F9-A2-3A-A2-E8-AD-93-34-53-56-B5-59" }, 194 // block size: 128, key size: 192, padding: ANSIX923, feedback: 32 195 { -2134899680, "55-EF-8D-DA-C4-D3-27-45-07-BF-C8-0E-EB-06-10-8A" }, 196 // block size: 128, key size: 192, padding: ANSIX923, feedback: 40 197 { -2134899672, "55-EF-8D-DA-3F-6D-6A-BB-66-D5-AF-2E-C8-DF-BC-12" }, 198 // block size: 128, key size: 192, padding: ANSIX923, feedback: 48 199 { -2134899664, "55-EF-8D-DA-3F-97-FD-FA-4D-76-73-78-F6-6D-8F-01" }, 200 // block size: 128, key size: 192, padding: ANSIX923, feedback: 56 201 { -2134899656, "55-EF-8D-DA-3F-97-04-7B-C7-27-61-14-44-3E-2A-81" }, 202 // block size: 128, key size: 192, padding: ANSIX923, feedback: 64 203 { -2134899648, "55-EF-8D-DA-3F-97-04-83-33-87-1A-F8-6A-27-BA-68" }, 204 // block size: 128, key size: 192, padding: ISO10126, feedback: 8 205 { -2134899448, "55-E6-52-56-F3-5C-82-2E-04-E8-9C-72-F5-56-61-C2" }, 206 // block size: 128, key size: 192, padding: ISO10126, feedback: 16 207 { -2134899440, "55-EF-58-DB-49-72-12-E1-2D-B2-B7-33-B3-92-76-91" }, 208 // block size: 128, key size: 192, padding: ISO10126, feedback: 24 209 { -2134899432, "55-EF-8D-55-FF-7B-89-F7-B9-22-76-47-D8-BA-52-D7" }, 210 // block size: 128, key size: 192, padding: ISO10126, feedback: 32 211 { -2134899424, "55-EF-8D-DA-B1-B7-68-3A-54-47-71-4D-43-48-C2-50" }, 212 // block size: 128, key size: 192, padding: ISO10126, feedback: 40 213 { -2134899416, "55-EF-8D-DA-3F-84-6C-2C-98-E7-AE-B6-C2-97-1C-7E" }, 214 // block size: 128, key size: 192, padding: ISO10126, feedback: 48 215 { -2134899408, "55-EF-8D-DA-3F-97-C3-8F-63-2D-6B-B3-86-D2-61-85" }, 216 // block size: 128, key size: 192, padding: ISO10126, feedback: 56 217 { -2134899400, "55-EF-8D-DA-3F-97-04-2D-7B-E6-5A-5B-10-5F-B5-9E" }, 218 // block size: 128, key size: 192, padding: ISO10126, feedback: 64 219 { -2134899392, "55-EF-8D-DA-3F-97-04-83-95-74-A3-86-78-66-13-3A" }, 220 // padding None : The input data is not a complete block. 221 // block size: 128, key size: 256, padding: PKCS7, feedback: 8 222 { -2130705912, "23-D9-77-80-5B-FA-F1-6D-6D-39-98-60-DF-75-DF-49" }, 223 // block size: 128, key size: 256, padding: PKCS7, feedback: 16 224 { -2130705904, "23-28-07-BE-7A-18-9F-BC-B1-4D-F5-65-4B-5B-AD-D5" }, 225 // block size: 128, key size: 256, padding: PKCS7, feedback: 24 226 { -2130705896, "23-28-F4-C9-30-DA-57-28-5F-8F-9E-BF-05-DF-D9-26" }, 227 // block size: 128, key size: 256, padding: PKCS7, feedback: 32 228 { -2130705888, "23-28-F4-38-83-DF-89-E9-C9-5C-87-D5-FA-19-56-54" }, 229 // block size: 128, key size: 256, padding: PKCS7, feedback: 40 230 { -2130705880, "23-28-F4-38-74-E0-5C-D0-D1-05-5D-42-AA-FC-2F-EF" }, 231 // block size: 128, key size: 256, padding: PKCS7, feedback: 48 232 { -2130705872, "23-28-F4-38-74-11-19-31-30-84-5D-FB-BE-69-BB-98" }, 233 // block size: 128, key size: 256, padding: PKCS7, feedback: 56 234 { -2130705864, "23-28-F4-38-74-11-EA-29-1F-A5-02-D5-AA-78-4C-E8" }, 235 // block size: 128, key size: 256, padding: PKCS7, feedback: 64 236 { -2130705856, "23-28-F4-38-74-11-EA-D8-68-29-E3-14-6B-BF-C4-2D" }, 237 // block size: 128, key size: 256, padding: Zeros, feedback: 8 238 { -2130705656, "23-D6-E9-75-83-FA-22-B3-96-27-CF-6D-BE-23-A4-D0" }, 239 // block size: 128, key size: 256, padding: Zeros, feedback: 16 240 { -2130705648, "23-28-09-B9-8E-0B-01-57-EE-D8-4F-44-69-F0-8A-28" }, 241 // block size: 128, key size: 256, padding: Zeros, feedback: 24 242 { -2130705640, "23-28-F4-C4-B7-B5-79-63-F0-CD-35-C6-39-3B-4D-02" }, 243 // block size: 128, key size: 256, padding: Zeros, feedback: 32 244 { -2130705632, "23-28-F4-38-8F-78-58-EE-93-06-FA-CA-21-64-70-96" }, 245 // block size: 128, key size: 256, padding: Zeros, feedback: 40 246 { -2130705624, "23-28-F4-38-74-EB-52-74-A3-80-87-48-3D-18-76-19" }, 247 // block size: 128, key size: 256, padding: Zeros, feedback: 48 248 { -2130705616, "23-28-F4-38-74-11-13-09-09-B5-B9-95-A9-FF-02-EE" }, 249 // block size: 128, key size: 256, padding: Zeros, feedback: 56 250 { -2130705608, "23-28-F4-38-74-11-EA-20-2A-87-0E-39-29-3A-84-A6" }, 251 // block size: 128, key size: 256, padding: Zeros, feedback: 64 252 { -2130705600, "23-28-F4-38-74-11-EA-D8-60-04-E9-5D-7A-C1-A8-85" }, 253 // block size: 128, key size: 256, padding: ANSIX923, feedback: 8 254 { -2130705400, "23-D6-E9-75-83-FA-22-B3-96-27-CF-6D-BE-23-A4-DF" }, 255 // block size: 128, key size: 256, padding: ANSIX923, feedback: 16 256 { -2130705392, "23-28-09-B9-8E-0B-01-57-EE-D8-4F-44-69-F0-8A-26" }, 257 // block size: 128, key size: 256, padding: ANSIX923, feedback: 24 258 { -2130705384, "23-28-F4-C4-B7-B5-79-63-F0-CD-35-C6-39-3B-4D-0F" }, 259 // block size: 128, key size: 256, padding: ANSIX923, feedback: 32 260 { -2130705376, "23-28-F4-38-8F-78-58-EE-93-06-FA-CA-21-64-70-9A" }, 261 // block size: 128, key size: 256, padding: ANSIX923, feedback: 40 262 { -2130705368, "23-28-F4-38-74-EB-52-74-A3-80-87-48-3D-18-76-12" }, 263 // block size: 128, key size: 256, padding: ANSIX923, feedback: 48 264 { -2130705360, "23-28-F4-38-74-11-13-09-09-B5-B9-95-A9-FF-02-E4" }, 265 // block size: 128, key size: 256, padding: ANSIX923, feedback: 56 266 { -2130705352, "23-28-F4-38-74-11-EA-20-2A-87-0E-39-29-3A-84-AF" }, 267 // block size: 128, key size: 256, padding: ANSIX923, feedback: 64 268 { -2130705344, "23-28-F4-38-74-11-EA-D8-60-04-E9-5D-7A-C1-A8-8D" }, 269 // block size: 128, key size: 256, padding: ISO10126, feedback: 8 270 { -2130705144, "23-33-4F-8B-09-74-D9-8F-1F-78-F5-BD-31-C3-02-19" }, 271 // block size: 128, key size: 256, padding: ISO10126, feedback: 16 272 { -2130705136, "23-28-33-EE-86-CE-4B-89-A0-DE-8F-10-4E-4D-27-86" }, 273 // block size: 128, key size: 256, padding: ISO10126, feedback: 24 274 { -2130705128, "23-28-F4-44-74-47-57-7E-18-29-5B-3B-CB-64-3E-F9" }, 275 // block size: 128, key size: 256, padding: ISO10126, feedback: 32 276 { -2130705120, "23-28-F4-38-09-D6-8E-A7-CE-40-BA-83-6D-5D-E0-7D" }, 277 // block size: 128, key size: 256, padding: ISO10126, feedback: 40 278 { -2130705112, "23-28-F4-38-74-AD-A8-85-C7-78-BB-15-9E-39-32-14" }, 279 // block size: 128, key size: 256, padding: ISO10126, feedback: 48 280 { -2130705104, "23-28-F4-38-74-11-95-73-21-90-F4-B8-E0-DB-5D-6B" }, 281 // block size: 128, key size: 256, padding: ISO10126, feedback: 56 282 { -2130705096, "23-28-F4-38-74-11-EA-F8-5D-72-DE-4D-9E-75-5F-75" }, 283 // block size: 128, key size: 256, padding: ISO10126, feedback: 64 284 { -2130705088, "23-28-F4-38-74-11-EA-D8-8A-E6-AB-F8-FD-8C-8B-19" }, 285 }; 286 } 287 } 288