3-Heights™ PDF Security – PDF encryption, decryption, signature creation & verification in C#, Java or Batch

// Create secure object
secure = new Secure();

// Open input file 
if (!secure.open(inputPath, ""))
    throw new IOException(String.format("Input file %s cannot be opened. %s (ErrorCode: 0x%08x).",
            inputPath, secure.getErrorMessage(), secure.getErrorCode()));

// Required: unique name of the account specified on the server.
secure.setSessionPropertyString("Identity", "Rigora");
// Required: identifies the signature specifications by a unique name.
secure.setSessionPropertyString("Profile", "Default");
// Required: password which secures the access to the account.
secure.setSessionPropertyString("secret", "NeE=EKEd33FeCk70");
// Required: helps to separate access and to create better statistics.
secure.setSessionPropertyString("clientId", "3949-4929-3179-2818");
// Required: activates the signing key.
secure.setSessionPropertyString("pin", "123456");
// Optional: default value "SHA-256"
secure.setSessionPropertyString("MessageDigestAlgorithm", "SHA-256");

// Begin session using DigiCert-QuoVadis Sealsign (demo version)
if (!secure.beginSession("https://services.sealsignportal.com/sealsign/ws/BrokerClient"))
    throw new IOException(String.format("Unable to establish connection to DigiCert-QuoVadis Sealsign. " + 
            "%s (ErrorCode: 0x%08x).", secure.getErrorMessage(), secure.getErrorCode()));

// Add signature
signature = new Signature();

// Required, name of the signer
signature.setName("Rigora");
secure.addSignature(signature);

// Sign document
if (!secure.saveAs(outputPath, "", "", NativeLibrary.PERMISSION.ePermNoEncryption, 0, "", ""))
    throw new IOException(String.format("Unable to sign document %s. %s (ErrorCode: 0x%08x).", 
            outputPath, secure.getErrorMessage(), secure.getErrorCode()));

// Cleanup
secure.close();
secure.endSession();

// Create secure object
pSecure = PdfSecureCreateObject();

// Open input file
if (!PdfSecureOpen(pSecure, szInputPath, _T("")))
{
    _tprintf(_T("Input file %s cannot be opened. %s (ErrorCode: 0x%08x).\n"), szInputPath, PdfSecureGetErrorMessage(pSecure), PdfSecureGetErrorCode(pSecure));
    iReturnValue = 1;
    goto cleanup;
}

// Required: unique name of the accountspecified on the server.
PdfSecureSetSessionPropertyString(pSecure, _T("Identity"), _T("Rigora"));
// Required: identifies the signature specifications by a unique name.
PdfSecureSetSessionPropertyString(pSecure, _T("Profile"), _T("Default"));
// Required: password which secures the access to the account.
PdfSecureSetSessionPropertyString(pSecure, _T("secret"), _T("NeE=EKEd33FeCk70"));
// Required: helps to separate access and to create better statistics.
PdfSecureSetSessionPropertyString(pSecure, _T("clientId"), _T("3949-4929-3179-2818"));
// Required: activates the signing key.
PdfSecureSetSessionPropertyString(pSecure, _T("pin"), _T("123456"));
// Optional: default value "SHA-256"
PdfSecureSetSessionPropertyString(pSecure, _T("MessageDigestAlgorithm"), _T("SHA-256"));

// Begin session using DigiCert-QuoVadis Sealsign (demo version)
if (!PdfSecureBeginSession(pSecure, _T("https://services.sealsignportal.com/sealsign/ws/BrokerClient")))
{
    _tprintf(_T("Unable to connect to DigiCert-QuoVadis Sealsign. %s (ErrorCode: 0x%08x).\n"), PdfSecureGetErrorMessage(pSecure), PdfSecureGetErrorCode(pSecure));
    iReturnValue = 1;
    goto cleanup;
}

// Create signature object
pSignature = PdfSignatureCreateObject();

// Add signature
// Required, name of the signer
PdfSignatureSetName(pSignature, _T("Rigora"));
PdfSecureAddSignature(pSecure, pSignature);

// Sign document
if (!PdfSecureSaveAs(pSecure, szOutputPath, _T(""), _T(""), ePermNoEncryption, 0, _T(""), _T("")))
{
    _tprintf(_T("Unable to sign document %s. %s (ErrorCode: 0x%08x).\n"), szOutputPath, PdfSecureGetErrorMessage(pSecure), PdfSecureGetErrorCode(pSecure));
    iReturnValue = 1;
    goto cleanup;
}

// Cleanup
PdfSecureClose(pSecure);
PdfSecureEndSession(pSecure);