Hello,

i am running a Programm with QT and Crypto++ included.

I try to run following Code and get 0xc0000005 when trying to run it:

Qt Code: 
  1. // g++ -g3 -ggdb -O0 -DDEBUG -I/usr/include/cryptopp Driver.cpp -o Driver.exe -lcryptopp -lpthread
  2. // g++ -g -O2 -DNDEBUG -I/usr/include/cryptopp Driver.cpp -o Driver.exe -lcryptopp -lpthread
  3.  
  4.  
  5. #define CRYPTOPP_DEFAULT_NO_DLL
  6. #include "cryptopp/dll.h"
  7. #ifdef CRYPTOPP_WIN32_AVAILABLE
  8. #include <windows.h>
  9. #endif
  10.  
  11. #include "cryptopp/osrng.h"
  12. using CryptoPP::AutoSeededRandomPool;
  13.  
  14. #include <iostream>
  15. using std::cout;
  16. using std::cerr;
  17. using std::endl;
  18.  
  19. #include <string>
  20. using std::string;
  21.  
  22. #include <cstdlib>
  23. using std::exit;
  24.  
  25. #include "cryptopp/cryptlib.h"
  26. using CryptoPP::Exception;
  27.  
  28. #include "cryptopp/hex.h"
  29. using CryptoPP::HexEncoder;
  30. using CryptoPP::HexDecoder;
  31.  
  32. #include "cryptopp/filters.h"
  33. using CryptoPP::StringSink;
  34. using CryptoPP::StringSource;
  35. using CryptoPP::StreamTransformationFilter;
  36.  
  37. #include "cryptopp/aes.h"
  38. using CryptoPP::AES;
  39.  
  40. #include "cryptopp/modes.h"
  41. using CryptoPP::CFB_Mode;
  42.  
  43. int main(int argc, char *argv[])
  44. {
  45. 	AutoSeededRandomPool prng;
  46.  
  47. 	byte key[AES::DEFAULT_KEYLENGTH];
  48. 	prng.GenerateBlock(key, sizeof(key));
  49.  
  50. 	byte iv[AES::BLOCKSIZE];
  51. 	prng.GenerateBlock(iv, sizeof(iv));
  52.  
  53. 	string plain = "CFB Mode Test";
  54. 	string cipher, encoded, recovered;
  55.  
  56. 	/*********************************\
  57. 	\*********************************/
  58.  
  59. 	// Pretty print key
  60. 	encoded.clear();
  61. 	StringSource(key, sizeof(key), true,
  62. 		new HexEncoder(
  63. 			new StringSink(encoded)
  64. 		) // HexEncoder
  65. 	); // StringSource
  66. 	cout << "key: " << encoded << endl;
  67.  
  68. 	// Pretty print iv
  69. 	encoded.clear();
  70. 	StringSource(iv, sizeof(iv), true,
  71. 		new HexEncoder(
  72. 			new StringSink(encoded)
  73. 		) // HexEncoder
  74. 	); // StringSource
  75. 	cout << "iv: " << encoded << endl;
  76.  
  77. 	/*********************************\
  78. 	\*********************************/
  79.  
  80. 	try
  81. 	{
  82. 		cout << "plain text: " << plain << endl;
  83.  
  84. 		CFB_Mode< AES >::Encryption e;
  85. 		e.SetKeyWithIV(key, sizeof(key), iv);
  86.  
  87. 		// CFB mode must not use padding. Specifying
  88. 		//  a scheme will result in an exception
  89. 		StringSource(plain, true,
  90. 			new StreamTransformationFilter(e,
  91. 				new StringSink(cipher)
  92. 			) // StreamTransformationFilter
  93. 		); // StringSource
  94. 	}
  95. 	catch(const CryptoPP::Exception& e)
  96. 	{
  97. 		cerr << e.what() << endl;
  98. 		exit(1);
  99. 	}
  100.  
  101. 	/*********************************\
  102. 	\*********************************/
  103.  
  104. 	// Pretty print
  105. 	encoded.clear();
  106. 	StringSource(cipher, true,
  107. 		new HexEncoder(
  108. 			new StringSink(encoded)
  109. 		) // HexEncoder
  110. 	); // StringSource
  111. 	cout << "cipher text: " << encoded << endl;
  112.  
  113. 	/*********************************\
  114. 	\*********************************/
  115.  
  116. 	try
  117. 	{
  118. 		CFB_Mode< AES >::Decryption d;
  119. 		d.SetKeyWithIV(key, sizeof(key), iv);
  120.  
  121. 		// The StreamTransformationFilter removes
  122. 		//  padding as required.
  123. 		StringSource s(cipher, true,
  124. 			new StreamTransformationFilter(d,
  125. 				new StringSink(recovered)
  126. 			) // StreamTransformationFilter
  127. 		); // StringSource
  128.  
  129. 		cout << "recovered text: " << recovered << endl;
  130. 	}
  131. 	catch(const CryptoPP::Exception& e)
  132. 	{
  133. 		cerr << e.what() << endl;
  134. 		exit(1);
  135. 	}
  136.  
  137. 	/*********************************\
  138. 	\*********************************/
  139.  
  140. 	return 0;
  141. }
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I read that its a dll Problem but i cant get along.

I Compiled Crypto++ with this.

Hope you can help me.

Thx!