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Decrypt shared secret

Sprenger120 Jul 31st, 2012 860 Never
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  1. /* *Decrypt shared secred */
  2. /* *Using Crypto++ */
  3. #include <iostream>
  4. #include <osrng.h>
  5. #include <rsa.h>
  6. #include <files.h>
  7. #include <sstream>
  8. #include <modes.h>
  9. #include <aes.h>
  10. using namespace CryptoPP;
  11. using std::stringstream;
  12.  
  13. /* AutoSeedGen,RSA_PrivKey are taken from http://pastebin.com/8eYyKZn6  */
  14.  
  15. RSAES<PKCS1v15>::Decryptor _rsaDecryptor(RSA_PrivKey);
  16. string sEncryptedSharedSecret("FILL ME WITH DATA");
  17. string sDecryptedSharedSecret ("");
  18.  
  19. try {
  20. StringSource StrSrc(sEncryptedSharedSecret,
  21.                                         true,
  22.                                         new CryptoPP::PK_DecryptorFilter(AutoSeedGen,
  23.                                         _rsaDecryptor,
  24.                                         new StringSink(sDecryptedSharedSecret)
  25.                                         )
  26.                                         );
  27.  
  28. } catch(CryptoPP::Exception) {
  29.         std::cout<<"Houston we have a problem\n";
  30. }
  31.  
  32. sDecryptedSharedSecret // Contains your decrypted shared secret
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