Re: Problem about correct performance of RSA Sign and Verify code?

>
>  Dear Jeff!
>
>  I changed the mentioned code as below:
>
>  #include "stdafx.h"
>  #include "rsa.h"
>  #include "osrng.h"   // PRNG
>  #include "hex.h"     // Hex Encoder/Decoder
>  #include "files.h"   // File Source and Sink
>  #include "filters.h"
>
>  int main(int argc, char* argv[])
>  {
>    try
>    {
>       // Files
>       std::string PublicKeyFile = "key.pb";
>       std::string SignedFile = "message.sig";
>
>       std::cout << "Public Key File: " << PublicKeyFile.c_str() <<
>  std::endl;
>       std::cout << "Signature File: " << SignedFile.c_str() <<
>  std::endl;
>
>       // Message M
>       std::string message = "Yoda said, Do or Do Not. There is not
>  try.";
>
>       // Load Public Key
>       CryptoPP::FileSource pubFile( PublicKeyFile.c_str(), true,
>          new CryptoPP::HexDecoder );
>
>       // Verifier Object
>       CryptoPP::RSASSA_PKCS1v15_SHA_Verifier pub(pubFile);
>
>       // Intialize File Source
>       CryptoPP::FileSource SignatureFile( SignedFile.c_str(),
>          true, new CryptoPP::HexDecoder);
>
>       // Sanity Check
>       if (SignatureFile.MaxRetrievable() != pub.SignatureLength())
>          { throw std::string( "Signature File Size Problem" ); }
>
>       CryptoPP::SecByteBlock signature( pub.SignatureLength() );
>       SignatureFile.Get( signature, signature.size() );
>
>       // Prepare Verifier
>       CryptoPP::VerifierFilter *verifierFilter =
>          new CryptoPP::VerifierFilter(pub);
>       verifierFilter->Put(signature, pub.SignatureLength());
>
>       // Invoke Verifier
>      // CryptoPP::StringSource( message, true, verifierFilter );
>           CryptoPP::StringSource( message, true, new Redirector
>  (verifierFilter,PASS_EVERYTHING));
>
>       // Paydirt
>           if( false == verifierFilter->GetLastResult() )
>          { throw std::string( "Signature Verification Failed" ); }
>
>       std::cout << std::endl << "Signature Verified" << std::endl;
>
>    } // try
>
>    catch( CryptoPP::Exception& e ) {
>       std::cerr << "Error: " << e.what() << std::endl;
>    }
>
>    catch (...) {
>       std::cerr << "Unknown Error" << std::endl;
>    }
>
>    return 0;
>  }
>
>
>  But I get this errors:
>
>
>
>  Compiling...
>  RSASignVer.cpp
>  d:\rsasignver.cpp(64) : error C2061: syntax error : identifier
>  'Redirector'
>
>  d:\rsasignver.cpp(64) : error C2065: 'PASS_EVERYTHING' : undeclared
>  identifier
>
>  d:\rsasignver.cpp(64) : error C2143: syntax error : missing ';' before
>  ')'
>
>  d:\rsasignver.cpp(64) : error C2143: syntax error : missing ';' before
>  ')'
>
>  RSASignVer - 4 error(s), 0 warning(s)
>
>  What's the problem?
>
>
>  How do you change this code to work properly?
>
>  Best Regards.
>  Gary
>
>
>
>  On Jun 7, 11:53 pm, Gary <b.rostami...@...> wrote:
>  > Hi dear Jeff!
>  >
>  > I tried "RSASignVer" code which is available in "Wiki" site,it's
>  > character set is non-UNICODE (MultiByte);
>  >
>  > I changed "message" string in this code and expected to get
>  > ("Signature Verification Failed" )
>  > But I saw ("Signature Verified") again!!
>  >
>  > In your opinion,What's this problem's reason?
>  >
>  > Regards.
>  > Gary
>  >
>