SOL9 2.0 Samples

1 Screenshot

2 Source code

/*
 * DSA.cpp 
 * Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. 
 */


// 2009/03/03 

#include <sol/crypt/DSACryptServiceProvider.h>
#include <sol/crypt/DSASignatureKey.h>
#include <sol/crypt/Signature.h>

void cryptError() 
{ 
  const TCHAR* msg = CryptError::getMessage(GetLastError());
  _tprintf(_T("%s\n"), msg);
}


int _tmain(int argc, TCHAR** argv)
{
  int rc = 0;

  try {
    //Specify DSACryptServiceProvider of named container.

    DSACryptServiceProvider csp(_T("TEST"));
    {
      _tprintf(_T("\nDSASignatureKey:\n"));

      // Specify CALG_SHA1 not CALG_MD5.
      Signature signature(csp, CALG_SHA1);
      
      const char* message = "Hello world! This is a SOL9 Signature class sample";
      _tprintf(_T("\n1. Tr to hash string=[%s]\n"), message);

      if (signature.hashString(message) == NO_ERROR) {
        _tprintf(_T("2. OK, signature.hashString()\n"));
      } else {
        _tprintf(_T("3. Failed in signature.hashString()\n"));
        cryptError();
      }

      _tprintf(_T("\n4. Tr to sign by signature\n"));

      Bytes signedBytes;
      if (signature.sign(signedBytes) ==NO_ERROR) {
        _tprintf(_T("5. OK, signature.sign()\n"));
        signedBytes.dump();
      } else {
        _tprintf(_T("6. Failed in signature.sign()\n"));
        cryptError();
      }


      DSASignatureKey signatureKey(csp);

      // 
      _tprintf(_T("\n7. Try to export publicKey from DSASignatureKey\n"));    

      Bytes pubKey;
      if (signatureKey.getPublicKey(pubKey) == NO_ERROR) {
  
        _tprintf(_T("8. OK, signatureKey.getPublicKey()\n"));
        pubKey.dump();
      } else {
        _tprintf(_T("9. Failed in signatureKey.getPublicKey()\n"));
        cryptError();
      }

      _tprintf(_T("\n10. Try to export privateKey from signatureKey\n"));    

      // 
      Bytes priKey;
      if (signatureKey.getPrivateKey(priKey) == NO_ERROR) {
        _tprintf(_T("11. OK signatureKey.getPrivateKey()\n"));
        priKey.dump();
      }  else {
        _tprintf(_T("12. Failed in signatureKey.getPrivateKey()\n"));
        cryptError();
      }

      _tprintf(_T("\n13. Try to import pubKey \n"));    

      CryptKey impPublicKey;
      if (impPublicKey.importKey(csp.getProviderHandle(), pubKey) ==NO_ERROR) {
        _tprintf(_T("14. OK, imported publicKey\n"));    
      } else {
        _tprintf(_T("15. Failed in impPublicKey.import()\n"));
        cryptError();
      }

      // 
      _tprintf(_T("\n16. Try to verify a signature by importedPublicKey\n"));        
      if (signature.verify(impPublicKey.getKeyHandle(), signedBytes) == NO_ERROR) {
        _tprintf(_T("17. OK signature.verify()\n"));
      }  else {
        _tprintf(_T("18. Failed in signature.verify()\n"));
        cryptError();
      }      
    }
  } catch (Exception& ex) {
    printf("Exception = %s\n", ex.getErrorMessage());
  }

  rc = GetLastError();

  return rc;
}