Mercurial > hg > orthanc-object-storage
annotate UnitTestsSources/EncryptionTests.cpp @ 37:f55b2afdf53d
upgrade to year 2021
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 06 Jan 2021 18:27:54 +0100 |
| parents | 84c4ca822a13 |
| children | b922ae86bbe1 |
| rev | line source |
|---|---|
| 1 | 1 /** |
| 2 * Cloud storage plugins for Orthanc | |
|
37
f55b2afdf53d
upgrade to year 2021
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
24
diff
changeset
|
3 * Copyright (C) 2020-2021 Osimis S.A., Belgium |
| 1 | 4 * |
| 5 * This program is free software: you can redistribute it and/or | |
| 6 * modify it under the terms of the GNU Affero General Public License | |
| 7 * as published by the Free Software Foundation, either version 3 of | |
| 8 * the License, or (at your option) any later version. | |
| 9 * | |
| 10 * This program is distributed in the hope that it will be useful, but | |
| 11 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 * Affero General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU Affero General Public License | |
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 **/ | |
| 18 #include "gtest/gtest.h" | |
| 19 | |
| 20 #include "../Common/EncryptionHelpers.h" | |
| 21 #include <boost/chrono/chrono.hpp> | |
| 22 #include <boost/date_time.hpp> | |
| 23 | |
| 24 TEST(EncryptionHelpers, GenerateKey) | |
| 25 { | |
| 26 CryptoPP::SecByteBlock key1, key2; | |
| 27 EncryptionHelpers::GenerateKey(key1); | |
| 28 EncryptionHelpers::GenerateKey(key2); | |
| 29 | |
| 30 // std::cout << EncryptionHelpers::ToHexString(key1) << std::endl; | |
| 31 // std::cout << EncryptionHelpers::ToHexString(key2) << std::endl; | |
| 32 | |
| 33 ASSERT_NE(key1, key2); | |
| 34 | |
|
24
84c4ca822a13
fix warning in unit test
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1
diff
changeset
|
35 ASSERT_EQ(32u, key1.size()); // right now, we work with 256bits key |
|
84c4ca822a13
fix warning in unit test
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1
diff
changeset
|
36 ASSERT_EQ(32u * 2u, EncryptionHelpers::ToHexString(key1).size()); |
| 1 | 37 } |
| 38 | |
| 39 TEST(EncryptionHelpers, EncryptDecryptSimpleText) | |
| 40 { | |
| 41 CryptoPP::SecByteBlock masterKey; | |
| 42 EncryptionHelpers::GenerateKey(masterKey); | |
| 43 | |
| 44 EncryptionHelpers crypto; | |
| 45 crypto.SetCurrentMasterKey(1, masterKey); | |
| 46 | |
| 47 std::string plainTextMessage = "Plain text message"; | |
| 48 std::string encryptedMessage; | |
| 49 | |
| 50 crypto.Encrypt(encryptedMessage, plainTextMessage); | |
| 51 | |
| 52 std::string decryptedMessage; | |
| 53 | |
| 54 crypto.Decrypt(decryptedMessage, encryptedMessage); | |
| 55 | |
| 56 ASSERT_EQ(plainTextMessage, decryptedMessage); | |
| 57 } | |
| 58 | |
| 59 TEST(EncryptionHelpers, EncryptDecrypt1byteText) | |
| 60 { | |
| 61 CryptoPP::SecByteBlock masterKey; | |
| 62 EncryptionHelpers::GenerateKey(masterKey); | |
| 63 | |
| 64 EncryptionHelpers crypto; | |
| 65 crypto.SetCurrentMasterKey(1, masterKey); | |
| 66 | |
| 67 std::string plainTextMessage = "P"; | |
| 68 std::string encryptedMessage; | |
| 69 | |
| 70 crypto.Encrypt(encryptedMessage, plainTextMessage); | |
| 71 | |
| 72 std::string decryptedMessage; | |
| 73 | |
| 74 crypto.Decrypt(decryptedMessage, encryptedMessage); | |
| 75 | |
| 76 ASSERT_EQ(plainTextMessage, decryptedMessage); | |
| 77 } | |
| 78 | |
| 79 TEST(EncryptionHelpers, EncryptDecrypt0byteText) | |
| 80 { | |
| 81 CryptoPP::SecByteBlock masterKey; | |
| 82 EncryptionHelpers::GenerateKey(masterKey); | |
| 83 | |
| 84 EncryptionHelpers crypto; | |
| 85 crypto.SetCurrentMasterKey(1, masterKey); | |
| 86 | |
| 87 std::string plainTextMessage = ""; | |
| 88 std::string encryptedMessage; | |
| 89 | |
| 90 crypto.Encrypt(encryptedMessage, plainTextMessage); | |
| 91 | |
| 92 std::string decryptedMessage; | |
| 93 | |
| 94 crypto.Decrypt(decryptedMessage, encryptedMessage); | |
| 95 | |
| 96 ASSERT_EQ(plainTextMessage, decryptedMessage); | |
| 97 } | |
| 98 | |
| 99 TEST(EncryptionHelpers, EncryptDecryptTampering) | |
| 100 { | |
| 101 CryptoPP::SecByteBlock masterKey; | |
| 102 EncryptionHelpers::GenerateKey(masterKey); | |
| 103 | |
| 104 EncryptionHelpers crypto; | |
| 105 crypto.SetCurrentMasterKey(1, masterKey); | |
| 106 | |
| 107 std::string plainTextMessage = "Plain text message"; | |
| 108 std::string encryptedMessage; | |
| 109 std::string decryptedMessage; | |
| 110 | |
| 111 crypto.Encrypt(encryptedMessage, plainTextMessage); | |
| 112 | |
| 113 { | |
| 114 std::string tamperedEncryptedMessage = encryptedMessage; | |
| 115 // change the header | |
| 116 tamperedEncryptedMessage[0] = 'B'; | |
| 117 ASSERT_THROW(crypto.Decrypt(decryptedMessage, tamperedEncryptedMessage), EncryptionException); | |
| 118 } | |
| 119 | |
| 120 { | |
| 121 std::string tamperedEncryptedMessage = encryptedMessage; | |
| 122 // tamper the masterKeyId: | |
| 123 tamperedEncryptedMessage[EncryptionHelpers::HEADER_VERSION_SIZE + 2] = 0xAF; | |
| 124 ASSERT_THROW(crypto.Decrypt(decryptedMessage, tamperedEncryptedMessage), EncryptionException); | |
| 125 } | |
| 126 | |
| 127 { | |
| 128 std::string tamperedEncryptedMessage = encryptedMessage; | |
| 129 // tamper the iv: | |
| 130 tamperedEncryptedMessage[EncryptionHelpers::HEADER_VERSION_SIZE + EncryptionHelpers::MASTER_KEY_ID_SIZE + 2] = 0; | |
| 131 ASSERT_THROW(crypto.Decrypt(decryptedMessage, tamperedEncryptedMessage), EncryptionException); | |
| 132 } | |
| 133 | |
| 134 { | |
| 135 std::string tamperedEncryptedMessage = encryptedMessage; | |
| 136 // tamper the encrypted text: | |
| 137 tamperedEncryptedMessage[EncryptionHelpers::HEADER_VERSION_SIZE + EncryptionHelpers::MASTER_KEY_ID_SIZE + EncryptionHelpers::IV_SIZE + 2] = 0; | |
| 138 ASSERT_THROW(crypto.Decrypt(decryptedMessage, tamperedEncryptedMessage), EncryptionException); | |
| 139 } | |
| 140 | |
| 141 { | |
| 142 std::string tamperedEncryptedMessage = encryptedMessage; | |
| 143 // tamper the mac: | |
| 144 tamperedEncryptedMessage[tamperedEncryptedMessage.size() - 2] = 0; | |
| 145 ASSERT_THROW(crypto.Decrypt(decryptedMessage, tamperedEncryptedMessage), EncryptionException); | |
| 146 } | |
| 147 | |
| 148 { | |
| 149 std::string tamperedEncryptedMessage = encryptedMessage; | |
| 150 // extend the file content | |
| 151 tamperedEncryptedMessage = tamperedEncryptedMessage + "TAMPER"; | |
| 152 ASSERT_THROW(crypto.Decrypt(decryptedMessage, tamperedEncryptedMessage), EncryptionException); | |
| 153 } | |
| 154 | |
| 155 { | |
| 156 std::string tamperedEncryptedMessage = encryptedMessage; | |
| 157 // reduce the file content | |
| 158 tamperedEncryptedMessage = tamperedEncryptedMessage.substr(0, tamperedEncryptedMessage.size() - 5); | |
| 159 ASSERT_THROW(crypto.Decrypt(decryptedMessage, tamperedEncryptedMessage), EncryptionException); | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 | |
| 164 TEST(EncryptionHelpers, EncryptDecrypt2TimesSameText) | |
| 165 { | |
| 166 CryptoPP::SecByteBlock masterKey; | |
| 167 EncryptionHelpers::GenerateKey(masterKey); | |
| 168 | |
| 169 EncryptionHelpers crypto; | |
| 170 crypto.SetCurrentMasterKey(1, masterKey); | |
| 171 | |
| 172 std::string plainTextMessage = "Plain text message"; | |
| 173 std::string encryptedMessage1; | |
| 174 std::string encryptedMessage2; | |
| 175 | |
| 176 crypto.Encrypt(encryptedMessage1, plainTextMessage); | |
| 177 crypto.Encrypt(encryptedMessage2, plainTextMessage); | |
| 178 | |
| 179 ASSERT_NE(encryptedMessage1, encryptedMessage2); | |
| 180 | |
| 181 std::string decryptedMessage1; | |
| 182 std::string decryptedMessage2; | |
| 183 | |
| 184 crypto.Decrypt(decryptedMessage1, encryptedMessage1); | |
| 185 crypto.Decrypt(decryptedMessage2, encryptedMessage2); | |
| 186 | |
| 187 ASSERT_EQ(plainTextMessage, decryptedMessage1); | |
| 188 ASSERT_EQ(plainTextMessage, decryptedMessage2); | |
| 189 } | |
| 190 | |
| 191 TEST(EncryptionHelpers, RotateMasterKeys) | |
| 192 { | |
| 193 std::string plainTextMessage = "Plain text message"; | |
| 194 std::string encryptedMessage1; | |
| 195 std::string encryptedMessage2; | |
| 196 std::string decryptedMessage; | |
| 197 | |
| 198 CryptoPP::SecByteBlock masterKey1; | |
| 199 CryptoPP::SecByteBlock masterKey2; | |
| 200 EncryptionHelpers::GenerateKey(masterKey1); | |
| 201 EncryptionHelpers::GenerateKey(masterKey2); | |
| 202 | |
| 203 { | |
| 204 EncryptionHelpers crypto; | |
| 205 crypto.SetCurrentMasterKey(1, masterKey1); | |
| 206 crypto.Encrypt(encryptedMessage1, plainTextMessage); | |
| 207 | |
| 208 crypto.SetCurrentMasterKey(2, masterKey2); | |
| 209 crypto.AddPreviousMasterKey(1, masterKey1); | |
| 210 | |
| 211 crypto.Encrypt(encryptedMessage2, plainTextMessage); | |
| 212 | |
| 213 // ensure that we can decrypt messages encrypted with both master keys | |
| 214 crypto.Decrypt(decryptedMessage, encryptedMessage1); | |
| 215 ASSERT_EQ(plainTextMessage, decryptedMessage); | |
| 216 | |
| 217 crypto.Decrypt(decryptedMessage, encryptedMessage2); | |
| 218 ASSERT_EQ(plainTextMessage, decryptedMessage); | |
| 219 } | |
| 220 | |
| 221 { | |
| 222 // if we don't know the old key, check we can not decrypt the old message | |
| 223 EncryptionHelpers crypto; | |
| 224 crypto.SetCurrentMasterKey(2, masterKey2); | |
| 225 | |
| 226 ASSERT_THROW(crypto.Decrypt(decryptedMessage, encryptedMessage1), EncryptionException); | |
| 227 } | |
| 228 } | |
| 229 | |
| 230 | |
| 231 void MeasurePerformance(size_t sizeInMB, EncryptionHelpers& crypto) | |
| 232 { | |
| 233 std::string largePlainText(sizeInMB * 1024 * 1024, 'A'); | |
| 234 std::string encryptedMessage; | |
| 235 std::string decryptedMessage; | |
| 236 | |
| 237 { | |
| 238 auto start = boost::posix_time::microsec_clock::local_time(); | |
| 239 crypto.Encrypt(encryptedMessage, largePlainText); | |
| 240 | |
| 241 auto end = boost::posix_time::microsec_clock::local_time(); | |
| 242 boost::posix_time::time_duration diff = end - start; | |
| 243 std::cout << "encryption of " << sizeInMB << " MB file took " << diff.total_milliseconds() << " ms" << std::endl; | |
| 244 } | |
| 245 | |
| 246 { | |
| 247 auto start = boost::posix_time::microsec_clock::local_time(); | |
| 248 crypto.Decrypt(decryptedMessage, encryptedMessage); | |
| 249 | |
| 250 auto end = boost::posix_time::microsec_clock::local_time(); | |
| 251 boost::posix_time::time_duration diff = end - start; | |
| 252 std::cout << "decryption of " << sizeInMB << " MB file took " << diff.total_milliseconds() << " ms" << std::endl; | |
| 253 } | |
| 254 | |
| 255 } | |
| 256 | |
| 257 TEST(EncryptionHelpers, Performance) | |
| 258 { | |
| 259 CryptoPP::SecByteBlock masterKey; | |
| 260 EncryptionHelpers::GenerateKey(masterKey); | |
| 261 | |
| 262 EncryptionHelpers crypto; | |
| 263 crypto.SetCurrentMasterKey(1, masterKey); | |
| 264 | |
| 265 MeasurePerformance(1, crypto); | |
| 266 MeasurePerformance(10, crypto); | |
| 267 // MeasurePerformance(100, crypto); | |
| 268 // MeasurePerformance(400, crypto); | |
| 269 } |