Mercurial > hg > orthanc-object-storage
annotate UnitTestsSources/EncryptionTests.cpp @ 153:6dd8bb916573
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 21 Jun 2024 14:29:22 +0200 |
| parents | 3c7e0374f28e |
| children |
| rev | line source |
|---|---|
| 1 | 1 /** |
| 2 * Cloud storage plugins for Orthanc | |
|
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3 * Copyright (C) 2020-2023 Osimis S.A., Belgium |
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4 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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5 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 1 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
|
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20 |
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21 |
| 1 | 22 #include "gtest/gtest.h" |
| 23 | |
| 24 #include "../Common/EncryptionHelpers.h" | |
| 25 #include <boost/chrono/chrono.hpp> | |
| 26 #include <boost/date_time.hpp> | |
| 27 | |
| 28 TEST(EncryptionHelpers, GenerateKey) | |
| 29 { | |
| 30 CryptoPP::SecByteBlock key1, key2; | |
| 31 EncryptionHelpers::GenerateKey(key1); | |
| 32 EncryptionHelpers::GenerateKey(key2); | |
| 33 | |
| 34 // std::cout << EncryptionHelpers::ToHexString(key1) << std::endl; | |
| 35 // std::cout << EncryptionHelpers::ToHexString(key2) << std::endl; | |
| 36 | |
| 37 ASSERT_NE(key1, key2); | |
| 38 | |
|
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39 ASSERT_EQ(32u, key1.size()); // right now, we work with 256bits key |
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40 ASSERT_EQ(32u * 2u, EncryptionHelpers::ToHexString(key1).size()); |
| 1 | 41 } |
| 42 | |
| 43 TEST(EncryptionHelpers, EncryptDecryptSimpleText) | |
| 44 { | |
| 45 CryptoPP::SecByteBlock masterKey; | |
| 46 EncryptionHelpers::GenerateKey(masterKey); | |
| 47 | |
| 48 EncryptionHelpers crypto; | |
| 49 crypto.SetCurrentMasterKey(1, masterKey); | |
| 50 | |
| 51 std::string plainTextMessage = "Plain text message"; | |
| 52 std::string encryptedMessage; | |
| 53 | |
| 54 crypto.Encrypt(encryptedMessage, plainTextMessage); | |
| 55 | |
| 56 std::string decryptedMessage; | |
| 57 | |
| 58 crypto.Decrypt(decryptedMessage, encryptedMessage); | |
| 59 | |
| 60 ASSERT_EQ(plainTextMessage, decryptedMessage); | |
| 61 } | |
| 62 | |
| 63 TEST(EncryptionHelpers, EncryptDecrypt1byteText) | |
| 64 { | |
| 65 CryptoPP::SecByteBlock masterKey; | |
| 66 EncryptionHelpers::GenerateKey(masterKey); | |
| 67 | |
| 68 EncryptionHelpers crypto; | |
| 69 crypto.SetCurrentMasterKey(1, masterKey); | |
| 70 | |
| 71 std::string plainTextMessage = "P"; | |
| 72 std::string encryptedMessage; | |
| 73 | |
| 74 crypto.Encrypt(encryptedMessage, plainTextMessage); | |
| 75 | |
| 76 std::string decryptedMessage; | |
| 77 | |
| 78 crypto.Decrypt(decryptedMessage, encryptedMessage); | |
| 79 | |
| 80 ASSERT_EQ(plainTextMessage, decryptedMessage); | |
| 81 } | |
| 82 | |
| 83 TEST(EncryptionHelpers, EncryptDecrypt0byteText) | |
| 84 { | |
| 85 CryptoPP::SecByteBlock masterKey; | |
| 86 EncryptionHelpers::GenerateKey(masterKey); | |
| 87 | |
| 88 EncryptionHelpers crypto; | |
| 89 crypto.SetCurrentMasterKey(1, masterKey); | |
| 90 | |
| 91 std::string plainTextMessage = ""; | |
| 92 std::string encryptedMessage; | |
| 93 | |
| 94 crypto.Encrypt(encryptedMessage, plainTextMessage); | |
| 95 | |
| 96 std::string decryptedMessage; | |
| 97 | |
| 98 crypto.Decrypt(decryptedMessage, encryptedMessage); | |
| 99 | |
| 100 ASSERT_EQ(plainTextMessage, decryptedMessage); | |
| 101 } | |
| 102 | |
| 103 TEST(EncryptionHelpers, EncryptDecryptTampering) | |
| 104 { | |
| 105 CryptoPP::SecByteBlock masterKey; | |
| 106 EncryptionHelpers::GenerateKey(masterKey); | |
| 107 | |
| 108 EncryptionHelpers crypto; | |
| 109 crypto.SetCurrentMasterKey(1, masterKey); | |
| 110 | |
| 111 std::string plainTextMessage = "Plain text message"; | |
| 112 std::string encryptedMessage; | |
| 113 std::string decryptedMessage; | |
| 114 | |
| 115 crypto.Encrypt(encryptedMessage, plainTextMessage); | |
| 116 | |
| 117 { | |
| 118 std::string tamperedEncryptedMessage = encryptedMessage; | |
| 119 // change the header | |
| 120 tamperedEncryptedMessage[0] = 'B'; | |
| 121 ASSERT_THROW(crypto.Decrypt(decryptedMessage, tamperedEncryptedMessage), EncryptionException); | |
| 122 } | |
| 123 | |
| 124 { | |
| 125 std::string tamperedEncryptedMessage = encryptedMessage; | |
| 126 // tamper the masterKeyId: | |
| 127 tamperedEncryptedMessage[EncryptionHelpers::HEADER_VERSION_SIZE + 2] = 0xAF; | |
| 128 ASSERT_THROW(crypto.Decrypt(decryptedMessage, tamperedEncryptedMessage), EncryptionException); | |
| 129 } | |
| 130 | |
| 131 { | |
| 132 std::string tamperedEncryptedMessage = encryptedMessage; | |
| 133 // tamper the iv: | |
| 134 tamperedEncryptedMessage[EncryptionHelpers::HEADER_VERSION_SIZE + EncryptionHelpers::MASTER_KEY_ID_SIZE + 2] = 0; | |
| 135 ASSERT_THROW(crypto.Decrypt(decryptedMessage, tamperedEncryptedMessage), EncryptionException); | |
| 136 } | |
| 137 | |
| 138 { | |
| 139 std::string tamperedEncryptedMessage = encryptedMessage; | |
| 140 // tamper the encrypted text: | |
| 141 tamperedEncryptedMessage[EncryptionHelpers::HEADER_VERSION_SIZE + EncryptionHelpers::MASTER_KEY_ID_SIZE + EncryptionHelpers::IV_SIZE + 2] = 0; | |
| 142 ASSERT_THROW(crypto.Decrypt(decryptedMessage, tamperedEncryptedMessage), EncryptionException); | |
| 143 } | |
| 144 | |
| 145 { | |
| 146 std::string tamperedEncryptedMessage = encryptedMessage; | |
| 147 // tamper the mac: | |
| 148 tamperedEncryptedMessage[tamperedEncryptedMessage.size() - 2] = 0; | |
| 149 ASSERT_THROW(crypto.Decrypt(decryptedMessage, tamperedEncryptedMessage), EncryptionException); | |
| 150 } | |
| 151 | |
| 152 { | |
| 153 std::string tamperedEncryptedMessage = encryptedMessage; | |
| 154 // extend the file content | |
| 155 tamperedEncryptedMessage = tamperedEncryptedMessage + "TAMPER"; | |
| 156 ASSERT_THROW(crypto.Decrypt(decryptedMessage, tamperedEncryptedMessage), EncryptionException); | |
| 157 } | |
| 158 | |
| 159 { | |
| 160 std::string tamperedEncryptedMessage = encryptedMessage; | |
| 161 // reduce the file content | |
| 162 tamperedEncryptedMessage = tamperedEncryptedMessage.substr(0, tamperedEncryptedMessage.size() - 5); | |
| 163 ASSERT_THROW(crypto.Decrypt(decryptedMessage, tamperedEncryptedMessage), EncryptionException); | |
| 164 } | |
| 165 } | |
| 166 | |
| 167 | |
| 168 TEST(EncryptionHelpers, EncryptDecrypt2TimesSameText) | |
| 169 { | |
| 170 CryptoPP::SecByteBlock masterKey; | |
| 171 EncryptionHelpers::GenerateKey(masterKey); | |
| 172 | |
| 173 EncryptionHelpers crypto; | |
| 174 crypto.SetCurrentMasterKey(1, masterKey); | |
| 175 | |
| 176 std::string plainTextMessage = "Plain text message"; | |
| 177 std::string encryptedMessage1; | |
| 178 std::string encryptedMessage2; | |
| 179 | |
| 180 crypto.Encrypt(encryptedMessage1, plainTextMessage); | |
| 181 crypto.Encrypt(encryptedMessage2, plainTextMessage); | |
| 182 | |
| 183 ASSERT_NE(encryptedMessage1, encryptedMessage2); | |
| 184 | |
| 185 std::string decryptedMessage1; | |
| 186 std::string decryptedMessage2; | |
| 187 | |
| 188 crypto.Decrypt(decryptedMessage1, encryptedMessage1); | |
| 189 crypto.Decrypt(decryptedMessage2, encryptedMessage2); | |
| 190 | |
| 191 ASSERT_EQ(plainTextMessage, decryptedMessage1); | |
| 192 ASSERT_EQ(plainTextMessage, decryptedMessage2); | |
| 193 } | |
| 194 | |
| 195 TEST(EncryptionHelpers, RotateMasterKeys) | |
| 196 { | |
| 197 std::string plainTextMessage = "Plain text message"; | |
| 198 std::string encryptedMessage1; | |
| 199 std::string encryptedMessage2; | |
| 200 std::string decryptedMessage; | |
| 201 | |
| 202 CryptoPP::SecByteBlock masterKey1; | |
| 203 CryptoPP::SecByteBlock masterKey2; | |
| 204 EncryptionHelpers::GenerateKey(masterKey1); | |
| 205 EncryptionHelpers::GenerateKey(masterKey2); | |
| 206 | |
| 207 { | |
| 208 EncryptionHelpers crypto; | |
| 209 crypto.SetCurrentMasterKey(1, masterKey1); | |
| 210 crypto.Encrypt(encryptedMessage1, plainTextMessage); | |
| 211 | |
| 212 crypto.SetCurrentMasterKey(2, masterKey2); | |
| 213 crypto.AddPreviousMasterKey(1, masterKey1); | |
| 214 | |
| 215 crypto.Encrypt(encryptedMessage2, plainTextMessage); | |
| 216 | |
| 217 // ensure that we can decrypt messages encrypted with both master keys | |
| 218 crypto.Decrypt(decryptedMessage, encryptedMessage1); | |
| 219 ASSERT_EQ(plainTextMessage, decryptedMessage); | |
| 220 | |
| 221 crypto.Decrypt(decryptedMessage, encryptedMessage2); | |
| 222 ASSERT_EQ(plainTextMessage, decryptedMessage); | |
| 223 } | |
| 224 | |
| 225 { | |
| 226 // if we don't know the old key, check we can not decrypt the old message | |
| 227 EncryptionHelpers crypto; | |
| 228 crypto.SetCurrentMasterKey(2, masterKey2); | |
| 229 | |
| 230 ASSERT_THROW(crypto.Decrypt(decryptedMessage, encryptedMessage1), EncryptionException); | |
| 231 } | |
| 232 } | |
| 233 | |
| 234 | |
| 235 void MeasurePerformance(size_t sizeInMB, EncryptionHelpers& crypto) | |
| 236 { | |
| 237 std::string encryptedMessage; | |
| 238 std::string decryptedMessage; | |
| 239 | |
| 240 { | |
| 153 | 241 const std::string largePlainText(sizeInMB * 1024 * 1024, 'A'); |
| 242 | |
| 1 | 243 auto start = boost::posix_time::microsec_clock::local_time(); |
| 244 crypto.Encrypt(encryptedMessage, largePlainText); | |
| 245 | |
| 246 auto end = boost::posix_time::microsec_clock::local_time(); | |
| 247 boost::posix_time::time_duration diff = end - start; | |
| 248 std::cout << "encryption of " << sizeInMB << " MB file took " << diff.total_milliseconds() << " ms" << std::endl; | |
| 249 } | |
| 250 | |
| 251 { | |
| 252 auto start = boost::posix_time::microsec_clock::local_time(); | |
| 253 crypto.Decrypt(decryptedMessage, encryptedMessage); | |
| 254 | |
| 255 auto end = boost::posix_time::microsec_clock::local_time(); | |
| 256 boost::posix_time::time_duration diff = end - start; | |
| 257 std::cout << "decryption of " << sizeInMB << " MB file took " << diff.total_milliseconds() << " ms" << std::endl; | |
| 258 } | |
| 259 | |
| 260 } | |
| 261 | |
| 262 TEST(EncryptionHelpers, Performance) | |
| 263 { | |
| 264 CryptoPP::SecByteBlock masterKey; | |
| 265 EncryptionHelpers::GenerateKey(masterKey); | |
| 266 | |
| 267 EncryptionHelpers crypto; | |
| 268 crypto.SetCurrentMasterKey(1, masterKey); | |
| 269 | |
| 270 MeasurePerformance(1, crypto); | |
| 271 MeasurePerformance(10, crypto); | |
| 272 // MeasurePerformance(100, crypto); | |
| 273 // MeasurePerformance(400, crypto); | |
| 274 } |