RSA SHA256 file signing in C#.Net and verification on Java

Question

I want sign a file using C#.Net and verify the file using Java. I am using SHA256withRSA algorithm for file sign process. I have a code both sign and verify using Java. But I need to convert file signing process to C#. I would be much grateful if somebody give me the guidance to resolve this matter.

File signing processing in Java

    File file = new File(fileLocation);
    signature = Signature.getInstance("SHA256withRSA");
    signature.initSign(privateKey, new SecureRandom());

    byte [] bytes;
    try (InputStream is = new BufferedInputStream(new FileInputStream(file.getAbsolutePath()))) {
       bytes = new byte[1024];
        for (int read = 0; (read = is.read(bytes)) != -1;) {
            signature.update(bytes,0,read);
        }
    }

    byte[] signatureBytes = signature.sign();
    byte[] signatureLength = ByteBuffer.allocate(4).putInt(signatureBytes.length).array();

    byte[] version = ByteBuffer.allocate(4).putInt(1).array();
    String writeLoc = outPutLocation + File.separator + "TEST_" + FilenameUtils.getName(fileLocation);

    FileOutputStream outputStream = new FileOutputStream(new File(writeLoc));
    outputStream.write(version);
    outputStream.write(signatureLength);
    outputStream.write(signatureBytes);
    try (InputStream is = new BufferedInputStream(new FileInputStream(file.getAbsolutePath()))) {
        bytes = new byte[1024];
        for (int read = 0; (read = is.read(bytes)) != -1;) {
            outputStream.write(bytes,0,read);
        }
    }
    outputStream.close();

File verify process in Java

    PublicKey publicKey = this.getPublicKey(stringKey);
    this.signatureOne = Signature.getInstance("SHA256withRSA");
    int signedDataLen = this.getSignatureLength(fileLocation);

    if (signedDataLen == 256) {
        byte[] signature = this.getSignatureBytes(fileLocation, signedDataLen);
        if (publicKey != null) {
            this.signatureOne.initVerify(publicKey);
            if (this.signatureOne.verify(signature)) {
                this.writeVerifiedFileToNewLocation(fileLocation, outPutLocation, signedDataLen);
                return true;
            } else {
                return false;
            }
        } else {
            return true;
        }
    } else {
        return false;
    }