Merge branch 'next' into newblockstore

ChangeLog.txt

@@ -9,6 +9,9 @@ Improvements:
 
 Version 0.9.8 (unreleased)
 --------------
+Compatibility:
+* Works with Crypto++ 6.0
+
 Fixed bugs:
 * `du` shows correct file system size
 

src/blockstore/implementations/compressing/CompressedBlock.h

@@ -2,6 +2,8 @@
 #ifndef MESSMER_BLOCKSTORE_IMPLEMENTATIONS_COMPRESSING_COMPRESSEDBLOCK_H_
 #define MESSMER_BLOCKSTORE_IMPLEMENTATIONS_COMPRESSING_COMPRESSEDBLOCK_H_
 
+#include "cpp-utils/crypto/cryptopp_byte.h"
+
 #include "../../interface/Block.h"
 #include "../../interface/BlockStore.h"
 #include <cpp-utils/data/DataUtils.h>
@@ -66,7 +68,7 @@ cpputils::unique_ref<CompressedBlock<Compressor>> CompressedBlock<Compressor>::O
 
 template<class Compressor>
 cpputils::unique_ref<CompressedBlock<Compressor>> CompressedBlock<Compressor>::Decompress(cpputils::unique_ref<Block> baseBlock) {
-  cpputils::Data decompressed = Compressor::Decompress((byte*)baseBlock->data(), baseBlock->size());
+  cpputils::Data decompressed = Compressor::Decompress((CryptoPP::byte*)baseBlock->data(), baseBlock->size());
   return cpputils::make_unique_ref<CompressedBlock<Compressor>>(std::move(baseBlock), std::move(decompressed));
 }
 

src/blockstore/implementations/compressing/compressors/Gzip.cpp

@@ -1,3 +1,4 @@
+#include "cpp-utils/crypto/cryptopp_byte.h"
 #include "Gzip.h"
 #include <cryptopp/gzip.h>
 
@@ -8,20 +9,20 @@ namespace blockstore {
 
         Data Gzip::Compress(const Data &data) {
             CryptoPP::Gzip zipper;
-            zipper.Put((byte *) data.data(), data.size());
+            zipper.Put((CryptoPP::byte *) data.data(), data.size());
             zipper.MessageEnd();
             Data compressed(zipper.MaxRetrievable());
-            zipper.Get((byte *) compressed.data(), compressed.size());
+            zipper.Get((CryptoPP::byte *) compressed.data(), compressed.size());
             return compressed;
         }
 
         Data Gzip::Decompress(const void *data, size_t size) {
             //TODO Change interface to taking cpputils::Data objects (needs changing blockstore so we can read their "class Data", because this is called from CompressedBlock::Decompress()).
             CryptoPP::Gunzip zipper;
-            zipper.Put((byte *) data, size);
+            zipper.Put((CryptoPP::byte *) data, size);
             zipper.MessageEnd();
             Data decompressed(zipper.MaxRetrievable());
-            zipper.Get((byte *) decompressed.data(), decompressed.size());
+            zipper.Get((CryptoPP::byte *) decompressed.data(), decompressed.size());
             return decompressed;
         }
 

src/blockstore/implementations/encrypted/EncryptedBlock.h

@@ -2,6 +2,8 @@
 #ifndef MESSMER_BLOCKSTORE_IMPLEMENTATIONS_ENCRYPTED_ENCRYPTEDBLOCK_H_
 #define MESSMER_BLOCKSTORE_IMPLEMENTATIONS_ENCRYPTED_ENCRYPTEDBLOCK_H_
 
+#include "cpp-utils/crypto/cryptopp_byte.h"
+
 #include "../../interface/Block.h"
 #include <cpp-utils/data/Data.h>
 #include "../../interface/BlockStore.h"
@@ -80,7 +82,7 @@ template<class Cipher>
 boost::optional<cpputils::unique_ref<EncryptedBlock<Cipher>>> EncryptedBlock<Cipher>::TryCreateNew(BlockStore *baseBlockStore, const Key &key, cpputils::Data data, const typename Cipher::EncryptionKey &encKey) {
   //TODO Is it possible to avoid copying the whole plaintext data into plaintextWithHeader? Maybe an encrypt() object that has an .addData() function and concatenates all data for encryption? Maybe Crypto++ offers this functionality already.
   cpputils::Data plaintextWithHeader = _prependKeyHeaderToData(key, std::move(data));
-  cpputils::Data encrypted = Cipher::encrypt((byte*)plaintextWithHeader.data(), plaintextWithHeader.size(), encKey);
+  cpputils::Data encrypted = Cipher::encrypt((CryptoPP::byte*)plaintextWithHeader.data(), plaintextWithHeader.size(), encKey);
   //TODO Avoid copying the whole encrypted block into a encryptedWithFormatHeader by creating a Data object with full size and then giving it as an encryption target to Cipher::encrypt()
   cpputils::Data encryptedWithFormatHeader = _prependFormatHeader(std::move(encrypted));
   auto baseBlock = baseBlockStore->tryCreate(key, std::move(encryptedWithFormatHeader));
@@ -114,7 +116,7 @@ cpputils::Data EncryptedBlock<Cipher>::_prependFormatHeader(const cpputils::Data
 template<class Cipher>
 boost::optional<cpputils::unique_ref<EncryptedBlock<Cipher>>> EncryptedBlock<Cipher>::TryDecrypt(cpputils::unique_ref<Block> baseBlock, const typename Cipher::EncryptionKey &encKey) {
   _checkFormatHeader(baseBlock->data());
-  boost::optional<cpputils::Data> plaintextWithHeader = Cipher::decrypt((byte*)baseBlock->data() + sizeof(FORMAT_VERSION_HEADER), baseBlock->size() - sizeof(FORMAT_VERSION_HEADER), encKey);
+  boost::optional<cpputils::Data> plaintextWithHeader = Cipher::decrypt((CryptoPP::byte*)baseBlock->data() + sizeof(FORMAT_VERSION_HEADER), baseBlock->size() - sizeof(FORMAT_VERSION_HEADER), encKey);
   if(plaintextWithHeader == boost::none) {
     //Decryption failed (e.g. an authenticated cipher detected modifications to the ciphertext)
     cpputils::logging::LOG(cpputils::logging::WARN, "Decrypting block {} failed. Was the block modified by an attacker?", baseBlock->key().ToString());
@@ -198,7 +200,7 @@ void EncryptedBlock<Cipher>::resize(size_t newSize) {
 template<class Cipher>
 void EncryptedBlock<Cipher>::_encryptToBaseBlock() {
   if (_dataChanged) {
-    cpputils::Data encrypted = Cipher::encrypt((byte*)_plaintextWithHeader.data(), _plaintextWithHeader.size(), _encKey);
+    cpputils::Data encrypted = Cipher::encrypt((CryptoPP::byte*)_plaintextWithHeader.data(), _plaintextWithHeader.size(), _encKey);
     if (_baseBlock->size() != sizeof(FORMAT_VERSION_HEADER) + encrypted.size()) {
       _baseBlock->resize(sizeof(FORMAT_VERSION_HEADER) + encrypted.size());
     }

src/cpp-utils/crypto/cryptopp_byte.h

@@ -0,0 +1,18 @@
+#pragma once
+#ifndef _CPPUTILS_CRYPTO_CRYPTOPP_BYTE_H
+#define _CPPUTILS_CRYPTO_CRYPTOPP_BYTE_H
+
+#include <cryptopp/cryptlib.h>
+
+// If we're running an older CryptoPP version, CryptoPP::byte isn't defined yet.
+// Define it. Refer to "byte" type in the global namespace (placed by CryptoPP).
+// Could also use CRYPTOPP_NO_GLOBAL_BYTE - but don't want to track when it was
+// introduced. This way seems more reliable, as it is compatible with more of
+// the Crypto++ versions.
+#if CRYPTOPP_VERSION < 600
+namespace CryptoPP {
+   using byte = ::byte;
+}
+#endif /* CRYPTOPP_VERSION < 600 */
+
+#endif /* _CPPUTILS_CRYPTO_CRYPTOPP_BYTE_H */

src/cpp-utils/crypto/symmetric/CFB_Cipher.h

@@ -2,6 +2,7 @@
 #ifndef MESSMER_CPPUTILS_CRYPTO_SYMMETRIC_CFBCIPHER_H_
 #define MESSMER_CPPUTILS_CRYPTO_SYMMETRIC_CFBCIPHER_H_
 
+#include "cpp-utils/crypto/cryptopp_byte.h"
 #include "../../data/FixedSizeData.h"
 #include "../../data/Data.h"
 #include "../../random/Random.h"
@@ -28,34 +29,34 @@ public:
     return ciphertextBlockSize - IV_SIZE;
   }
 
-  static Data encrypt(const byte *plaintext, unsigned int plaintextSize, const EncryptionKey &encKey);
+  static Data encrypt(const CryptoPP::byte *plaintext, unsigned int plaintextSize, const EncryptionKey &encKey);
-  static boost::optional<Data> decrypt(const byte *ciphertext, unsigned int ciphertextSize, const EncryptionKey &encKey);
+  static boost::optional<Data> decrypt(const CryptoPP::byte *ciphertext, unsigned int ciphertextSize, const EncryptionKey &encKey);
 
 private:
   static constexpr unsigned int IV_SIZE = BlockCipher::BLOCKSIZE;
 };
 
 template<typename BlockCipher, unsigned int KeySize>
-Data CFB_Cipher<BlockCipher, KeySize>::encrypt(const byte *plaintext, unsigned int plaintextSize, const EncryptionKey &encKey) {
+Data CFB_Cipher<BlockCipher, KeySize>::encrypt(const CryptoPP::byte *plaintext, unsigned int plaintextSize, const EncryptionKey &encKey) {
   FixedSizeData<IV_SIZE> iv = Random::PseudoRandom().getFixedSize<IV_SIZE>();
   auto encryption = typename CryptoPP::CFB_Mode<BlockCipher>::Encryption(encKey.data(), encKey.BINARY_LENGTH, iv.data());
   Data ciphertext(ciphertextSize(plaintextSize));
   std::memcpy(ciphertext.data(), iv.data(), IV_SIZE);
-  encryption.ProcessData((byte*)ciphertext.data() + IV_SIZE, plaintext, plaintextSize);
+  encryption.ProcessData((CryptoPP::byte*)ciphertext.data() + IV_SIZE, plaintext, plaintextSize);
   return ciphertext;
 }
 
 template<typename BlockCipher, unsigned int KeySize>
-boost::optional<Data> CFB_Cipher<BlockCipher, KeySize>::decrypt(const byte *ciphertext, unsigned int ciphertextSize, const EncryptionKey &encKey) {
+boost::optional<Data> CFB_Cipher<BlockCipher, KeySize>::decrypt(const CryptoPP::byte *ciphertext, unsigned int ciphertextSize, const EncryptionKey &encKey) {
   if (ciphertextSize < IV_SIZE) {
     return boost::none;
   }
 
-  const byte *ciphertextIV = ciphertext;
+  const CryptoPP::byte *ciphertextIV = ciphertext;
-  const byte *ciphertextData = ciphertext + IV_SIZE;
+  const CryptoPP::byte *ciphertextData = ciphertext + IV_SIZE;
-  auto decryption = typename CryptoPP::CFB_Mode<BlockCipher>::Decryption((byte*)encKey.data(), encKey.BINARY_LENGTH, ciphertextIV);
+  auto decryption = typename CryptoPP::CFB_Mode<BlockCipher>::Decryption((CryptoPP::byte*)encKey.data(), encKey.BINARY_LENGTH, ciphertextIV);
   Data plaintext(plaintextSize(ciphertextSize));
-  decryption.ProcessData((byte*)plaintext.data(), ciphertextData, plaintext.size());
+  decryption.ProcessData((CryptoPP::byte*)plaintext.data(), ciphertextData, plaintext.size());
   return std::move(plaintext);
 }
 

src/cpp-utils/crypto/symmetric/GCM_Cipher.h

@@ -2,6 +2,7 @@
 #ifndef MESSMER_CPPUTILS_CRYPTO_SYMMETRIC_GCMCIPHER_H_
 #define MESSMER_CPPUTILS_CRYPTO_SYMMETRIC_GCMCIPHER_H_
 
+#include "cpp-utils/crypto/cryptopp_byte.h"
 #include "../../data/FixedSizeData.h"
 #include "../../data/Data.h"
 #include "../../random/Random.h"
@@ -27,8 +28,8 @@ public:
         return ciphertextBlockSize - IV_SIZE - TAG_SIZE;
     }
 
-    static Data encrypt(const byte *plaintext, unsigned int plaintextSize, const EncryptionKey &encKey);
+    static Data encrypt(const CryptoPP::byte *plaintext, unsigned int plaintextSize, const EncryptionKey &encKey);
-    static boost::optional<Data> decrypt(const byte *ciphertext, unsigned int ciphertextSize, const EncryptionKey &encKey);
+    static boost::optional<Data> decrypt(const CryptoPP::byte *ciphertext, unsigned int ciphertextSize, const EncryptionKey &encKey);
 
 private:
     static constexpr unsigned int IV_SIZE = BlockCipher::BLOCKSIZE;
@@ -36,7 +37,7 @@ private:
 };
 
 template<typename BlockCipher, unsigned int KeySize>
-Data GCM_Cipher<BlockCipher, KeySize>::encrypt(const byte *plaintext, unsigned int plaintextSize, const EncryptionKey &encKey) {
+Data GCM_Cipher<BlockCipher, KeySize>::encrypt(const CryptoPP::byte *plaintext, unsigned int plaintextSize, const EncryptionKey &encKey) {
     FixedSizeData<IV_SIZE> iv = Random::PseudoRandom().getFixedSize<IV_SIZE>();
     typename CryptoPP::GCM<BlockCipher, CryptoPP::GCM_64K_Tables>::Encryption encryption;
     encryption.SetKeyWithIV(encKey.data(), encKey.BINARY_LENGTH, iv.data(), IV_SIZE);
@@ -45,7 +46,7 @@ Data GCM_Cipher<BlockCipher, KeySize>::encrypt(const byte *plaintext, unsigned i
     std::memcpy(ciphertext.data(), iv.data(), IV_SIZE);
     CryptoPP::ArraySource(plaintext, plaintextSize, true,
       new CryptoPP::AuthenticatedEncryptionFilter(encryption,
-        new CryptoPP::ArraySink((byte*)ciphertext.data() + IV_SIZE, ciphertext.size() - IV_SIZE),
+        new CryptoPP::ArraySink((CryptoPP::byte*)ciphertext.data() + IV_SIZE, ciphertext.size() - IV_SIZE),
         false, TAG_SIZE
       )
     );
@@ -53,21 +54,21 @@ Data GCM_Cipher<BlockCipher, KeySize>::encrypt(const byte *plaintext, unsigned i
 }
 
 template<typename BlockCipher, unsigned int KeySize>
-boost::optional<Data> GCM_Cipher<BlockCipher, KeySize>::decrypt(const byte *ciphertext, unsigned int ciphertextSize, const EncryptionKey &encKey) {
+boost::optional<Data> GCM_Cipher<BlockCipher, KeySize>::decrypt(const CryptoPP::byte *ciphertext, unsigned int ciphertextSize, const EncryptionKey &encKey) {
     if (ciphertextSize < IV_SIZE + TAG_SIZE) {
       return boost::none;
     }
 
-    const byte *ciphertextIV = ciphertext;
+    const CryptoPP::byte *ciphertextIV = ciphertext;
-    const byte *ciphertextData = ciphertext + IV_SIZE;
+    const CryptoPP::byte *ciphertextData = ciphertext + IV_SIZE;
     typename CryptoPP::GCM<BlockCipher, CryptoPP::GCM_64K_Tables>::Decryption decryption;
-    decryption.SetKeyWithIV((byte*)encKey.data(), encKey.BINARY_LENGTH, ciphertextIV, IV_SIZE);
+    decryption.SetKeyWithIV((CryptoPP::byte*)encKey.data(), encKey.BINARY_LENGTH, ciphertextIV, IV_SIZE);
     Data plaintext(plaintextSize(ciphertextSize));
 
     try {
-        CryptoPP::ArraySource((byte*)ciphertextData, ciphertextSize - IV_SIZE, true,
+        CryptoPP::ArraySource((CryptoPP::byte*)ciphertextData, ciphertextSize - IV_SIZE, true,
         new CryptoPP::AuthenticatedDecryptionFilter(decryption,
-          new CryptoPP::ArraySink((byte*)plaintext.data(), plaintext.size()),
+          new CryptoPP::ArraySink((CryptoPP::byte*)plaintext.data(), plaintext.size()),
           CryptoPP::AuthenticatedDecryptionFilter::DEFAULT_FLAGS, TAG_SIZE
         )
       );

src/cpp-utils/random/OSRandomGenerator.h

@@ -2,6 +2,7 @@
 #ifndef MESSMER_CPPUTILS_RANDOM_OSRANDOMGENERATOR_H
 #define MESSMER_CPPUTILS_RANDOM_OSRANDOMGENERATOR_H
 
+#include "cpp-utils/crypto/cryptopp_byte.h"
 #include "RandomGenerator.h"
 #include <cryptopp/osrng.h>
 
@@ -20,7 +21,7 @@ namespace cpputils {
     inline OSRandomGenerator::OSRandomGenerator() {}
 
     inline void OSRandomGenerator::_get(void *target, size_t bytes) {
-        CryptoPP::OS_GenerateRandomBlock(true, (byte*)target, bytes);
+        CryptoPP::OS_GenerateRandomBlock(true, (CryptoPP::byte*)target, bytes);
     }
 }
 

src/cpp-utils/random/RandomGeneratorThread.cpp

@@ -1,3 +1,4 @@
+#include "cpp-utils/crypto/cryptopp_byte.h"
 #include "RandomGeneratorThread.h"
 
 namespace cpputils {
@@ -26,7 +27,7 @@ namespace cpputils {
 
     Data RandomGeneratorThread::_generateRandomData(size_t size) {
         Data newRandom(size);
-        _randomGenerator.GenerateBlock(static_cast<byte*>(newRandom.data()), size);
+        _randomGenerator.GenerateBlock(static_cast<CryptoPP::byte*>(newRandom.data()), size);
         return newRandom;
     }
 

test/blockstore/implementations/encrypted/EncryptedBlockStoreTest_Specific.cpp

@@ -1,3 +1,4 @@
+#include "cpp-utils/crypto/cryptopp_byte.h"
 #include <gtest/gtest.h>
 #include "../../../cpp-utils/crypto/symmetric/testutils/FakeAuthenticatedCipher.h"
 #include "blockstore/implementations/encrypted/EncryptedBlockStore.h"
@@ -45,7 +46,7 @@ public:
 
   void ModifyBaseBlock(const blockstore::Key &key) {
     auto block = baseBlockStore->load(key).value();
-    uint8_t middle_byte = ((byte*)block->data())[10];
+    uint8_t middle_byte = ((CryptoPP::byte*)block->data())[10];
     uint8_t new_middle_byte = middle_byte + 1;
     block->write(&new_middle_byte, 10, 1);
   }

test/cpp-utils/crypto/symmetric/CipherTest.cpp

@@ -1,3 +1,4 @@
+#include "cpp-utils/crypto/cryptopp_byte.h"
 #include <gtest/gtest.h>
 #include "cpp-utils/crypto/symmetric/Cipher.h"
 #include "cpp-utils/crypto/symmetric/ciphers.h"
@@ -39,16 +40,16 @@ public:
   }
 
   void ExpectDoesntDecrypt(const Data &ciphertext) {
-    auto decrypted = Cipher::decrypt((byte*)ciphertext.data(), ciphertext.size(), this->encKey);
+    auto decrypted = Cipher::decrypt((CryptoPP::byte*)ciphertext.data(), ciphertext.size(), this->encKey);
     EXPECT_FALSE(decrypted);
   }
 
   Data Encrypt(const Data &plaintext) {
-    return Cipher::encrypt((byte*)plaintext.data(), plaintext.size(), this->encKey);
+    return Cipher::encrypt((CryptoPP::byte*)plaintext.data(), plaintext.size(), this->encKey);
   }
 
   Data Decrypt(const Data &ciphertext) {
-    return Cipher::decrypt((byte*)ciphertext.data(), ciphertext.size(), this->encKey).value();
+    return Cipher::decrypt((CryptoPP::byte*)ciphertext.data(), ciphertext.size(), this->encKey).value();
   }
 
   static Data CreateZeroes(unsigned int size) {
@@ -148,49 +149,49 @@ TYPED_TEST_CASE_P(AuthenticatedCipherTest);
 
 TYPED_TEST_P(AuthenticatedCipherTest, ModifyFirstByte_Zeroes_Size1) {
   Data ciphertext = this->Encrypt(this->zeroes1);
-  *(byte*)ciphertext.data() = *(byte*)ciphertext.data() + 1;
+  *(CryptoPP::byte*)ciphertext.data() = *(CryptoPP::byte*)ciphertext.data() + 1;
   this->ExpectDoesntDecrypt(ciphertext);
 }
 
 TYPED_TEST_P(AuthenticatedCipherTest, ModifyFirstByte_Data_Size1) {
   Data ciphertext = this->Encrypt(this->plaintext1);
-  *(byte*)ciphertext.data() = *(byte*)ciphertext.data() + 1;
+  *(CryptoPP::byte*)ciphertext.data() = *(CryptoPP::byte*)ciphertext.data() + 1;
   this->ExpectDoesntDecrypt(ciphertext);
 }
 
 TYPED_TEST_P(AuthenticatedCipherTest, ModifyFirstByte_Zeroes) {
   Data ciphertext = this->Encrypt(this->zeroes2);
-  *(byte*)ciphertext.data() = *(byte*)ciphertext.data() + 1;
+  *(CryptoPP::byte*)ciphertext.data() = *(CryptoPP::byte*)ciphertext.data() + 1;
   this->ExpectDoesntDecrypt(ciphertext);
 }
 
 TYPED_TEST_P(AuthenticatedCipherTest, ModifyFirstByte_Data) {
   Data ciphertext = this->Encrypt(this->plaintext2);
-  *(byte*)ciphertext.data() = *(byte*)ciphertext.data() + 1;
+  *(CryptoPP::byte*)ciphertext.data() = *(CryptoPP::byte*)ciphertext.data() + 1;
   this->ExpectDoesntDecrypt(ciphertext);
 }
 
 TYPED_TEST_P(AuthenticatedCipherTest, ModifyLastByte_Zeroes) {
   Data ciphertext = this->Encrypt(this->zeroes2);
-  ((byte*)ciphertext.data())[ciphertext.size() - 1] = ((byte*)ciphertext.data())[ciphertext.size() - 1] + 1;
+  ((CryptoPP::byte*)ciphertext.data())[ciphertext.size() - 1] = ((CryptoPP::byte*)ciphertext.data())[ciphertext.size() - 1] + 1;
   this->ExpectDoesntDecrypt(ciphertext);
 }
 
 TYPED_TEST_P(AuthenticatedCipherTest, ModifyLastByte_Data) {
   Data ciphertext = this->Encrypt(this->plaintext2);
-  ((byte*)ciphertext.data())[ciphertext.size() - 1] = ((byte*)ciphertext.data())[ciphertext.size() - 1] + 1;
+  ((CryptoPP::byte*)ciphertext.data())[ciphertext.size() - 1] = ((CryptoPP::byte*)ciphertext.data())[ciphertext.size() - 1] + 1;
   this->ExpectDoesntDecrypt(ciphertext);
 }
 
 TYPED_TEST_P(AuthenticatedCipherTest, ModifyMiddleByte_Zeroes) {
   Data ciphertext = this->Encrypt(this->zeroes2);
-  ((byte*)ciphertext.data())[ciphertext.size()/2] = ((byte*)ciphertext.data())[ciphertext.size()/2] + 1;
+  ((CryptoPP::byte*)ciphertext.data())[ciphertext.size()/2] = ((CryptoPP::byte*)ciphertext.data())[ciphertext.size()/2] + 1;
   this->ExpectDoesntDecrypt(ciphertext);
 }
 
 TYPED_TEST_P(AuthenticatedCipherTest, ModifyMiddleByte_Data) {
   Data ciphertext = this->Encrypt(this->plaintext2);
-  ((byte*)ciphertext.data())[ciphertext.size()/2] = ((byte*)ciphertext.data())[ciphertext.size()/2] + 1;
+  ((CryptoPP::byte*)ciphertext.data())[ciphertext.size()/2] = ((CryptoPP::byte*)ciphertext.data())[ciphertext.size()/2] + 1;
   this->ExpectDoesntDecrypt(ciphertext);
 }
 

test/cpp-utils/crypto/symmetric/testutils/FakeAuthenticatedCipher.h

@@ -2,6 +2,7 @@
 #ifndef MESSMER_CPPUTILS_TEST_CRYPTO_SYMMETRIC_TESTUTILS_FAKEAUTHENTICATEDCIPHER_H_
 #define MESSMER_CPPUTILS_TEST_CRYPTO_SYMMETRIC_TESTUTILS_FAKEAUTHENTICATEDCIPHER_H_
 
+#include "cpp-utils/crypto/cryptopp_byte.h"
 #include "cpp-utils/crypto/symmetric/Cipher.h"
 #include "cpp-utils/data/FixedSizeData.h"
 #include "cpp-utils/data/Data.h"
@@ -47,7 +48,7 @@ namespace cpputils {
           return ciphertextBlockSize - 5;
         }
 
-        static Data encrypt(const byte *plaintext, unsigned int plaintextSize, const EncryptionKey &encKey) {
+        static Data encrypt(const CryptoPP::byte *plaintext, unsigned int plaintextSize, const EncryptionKey &encKey) {
           Data result(ciphertextSize(plaintextSize));
 
           //Add a random IV
@@ -55,16 +56,16 @@ namespace cpputils {
           std::memcpy(result.data(), &iv, 1);
 
           //Use caesar chiffre on plaintext
-          _caesar((byte *) result.data() + 1, plaintext, plaintextSize, encKey.value + iv);
+          _caesar((CryptoPP::byte *) result.data() + 1, plaintext, plaintextSize, encKey.value + iv);
 
           //Add parity information
-          int32_t parity = _parity((byte *) result.data(), plaintextSize + 1);
+          int32_t parity = _parity((CryptoPP::byte *) result.data(), plaintextSize + 1);
-          std::memcpy((byte *) result.data() + plaintextSize + 1, &parity, 4);
+          std::memcpy((CryptoPP::byte *) result.data() + plaintextSize + 1, &parity, 4);
 
           return result;
         }
 
-        static boost::optional <Data> decrypt(const byte *ciphertext, unsigned int ciphertextSize,
+        static boost::optional <Data> decrypt(const CryptoPP::byte *ciphertext, unsigned int ciphertextSize,
                                               const EncryptionKey &encKey) {
           //We need at least 5 bytes (iv + parity)
           if (ciphertextSize < 5) {
@@ -81,14 +82,14 @@ namespace cpputils {
           //Decrypt caesar chiffre from ciphertext
           int32_t iv = *(int32_t *) ciphertext;
           Data result(plaintextSize(ciphertextSize));
-          _caesar((byte *) result.data(), ciphertext + 1, plaintextSize(ciphertextSize), -(encKey.value + iv));
+          _caesar((CryptoPP::byte *) result.data(), ciphertext + 1, plaintextSize(ciphertextSize), -(encKey.value + iv));
           return std::move(result);
         }
 
         static constexpr const char *NAME = "FakeAuthenticatedCipher";
 
     private:
-        static int32_t _parity(const byte *data, unsigned int size) {
+        static int32_t _parity(const CryptoPP::byte *data, unsigned int size) {
           int32_t parity = 34343435; // some init value
           const int32_t *intData = reinterpret_cast<const int32_t *>(data);
           unsigned int intSize = size / sizeof(int32_t);
@@ -102,7 +103,7 @@ namespace cpputils {
           return parity;
         }
 
-        static void _caesar(byte *dst, const byte *src, unsigned int size, uint8_t key) {
+        static void _caesar(CryptoPP::byte *dst, const CryptoPP::byte *src, unsigned int size, uint8_t key) {
           for (unsigned int i = 0; i < size; ++i) {
             dst[i] = src[i] + key;
           }

test/cryfs/config/CompatibilityTest.cpp

@@ -1,3 +1,4 @@
+#include "cpp-utils/crypto/cryptopp_byte.h"
 #include <gtest/gtest.h>
 #include <vector>
 #include <boost/filesystem.hpp>
@@ -38,7 +39,7 @@ private:
         Data result(hex.size()/2);
         CryptoPP::StringSource(hex, true,
              new CryptoPP::HexDecoder(
-                   new CryptoPP::ArraySink((byte*)result.data(), result.size())
+                   new CryptoPP::ArraySink((CryptoPP::byte*)result.data(), result.size())
              )
         );
         return result;