static void Main(string[] args)
{
byte[] bts = Encoding.UTF8.GetPreamble();
string s2 = "/a/b/c/text.txt";
string dir = Path.GetDirectoryName(s2);
//// gen keys
//QuickRSA.KeyPair keys = QuickRSA.GenerateKeyPair();
//// save keys
//File.WriteAllBytes("c:\\tmp\\privatekey2048.xml", ASCIIEncoding.ASCII.GetBytes(keys.PrivateKey));
//File.WriteAllBytes("c:\\tmp\\publickey2048.xml", ASCIIEncoding.ASCII.GetBytes(keys.PublicKey));
//QuickRSA.CreateKeyPair("c:\\tmp\\keys\\");
QuickRSA qrsa = new QuickRSA();
qrsa.LoadKey(UTF32Encoding.ASCII.GetString(File.ReadAllBytes("c:\\tmp\\privatekey2048.xml")));
// save public key
//string pub_xml = qrsa.RSA.ToXmlString( false );
//File.WriteAllBytes("c:\\tmp\\My_Public.key", ASCIIEncoding.ASCII.GetBytes(pub_xml));
qrsa.SaveKey("c:\\tmp\\My_Public2.key", true);
////NO GO! -- byte[] data = File.ReadAllBytes("C:\\tmp\\infiles\\Desert.jpg");
byte[] data = ASCIIEncoding.ASCII.GetBytes("Hello World!");
byte[] enc_data = qrsa.Encrypt(data);
byte[] denc_data = qrsa.Decrypt(enc_data);
string s = ASCIIEncoding.ASCII.GetString(denc_data);
byte[] signed_data = qrsa.SignData(enc_data, "c:\\tmp\\privatekey2048.xml");
bool v = qrsa.VerifyData(enc_data, signed_data);
/////////////// TEST AES_RSA_HYBRID ///////////////////
byte[] rsa_aes_data = null;
using (QuickRSA rsa1 = new QuickRSA())
{
rsa1.LoadKey(UTF32Encoding.ASCII.GetString(File.ReadAllBytes("c:\\tmp\\privatekey2048.xml")));
byte[] data3 = File.ReadAllBytes("C:\\tmp\\infiles\\Desert.jpg");
rsa_aes_data = rsa1.Encrypt_RSA_AES(data3, "c:\\tmp\\privatekey2048.xml");
}
using (QuickRSA rsa2 = new QuickRSA())
{
rsa2.LoadKey(UTF32Encoding.ASCII.GetString(File.ReadAllBytes("c:\\tmp\\privatekey2048.xml")));
byte[] final = rsa2.Decrypt_RSA_AES(rsa_aes_data, true);
//string s2 = ASCIIEncoding.ASCII.GetString(final);
File.WriteAllBytes("c:\\tmp\\data67.jpg", final);
bool ok = rsa2.VerifyData_RSA_AES(rsa_aes_data);
}
////////////////////////////////////////////////////////
//// testing
////byte[] key = new byte[32];
//byte[] key = CryptoFunctions.GererateKey(32);
//byte[] k2 = CryptoFunctions.GererateKey(32);
byte[] k2 = CryptoFunctions.GenerateRandomBytes(32);
//byte[] iv = CryptoFunctions.GererateKey(16);
byte[] iv = CryptoFunctions.GenerateRandomBytes(16);
////test2
byte[] data2 = File.ReadAllBytes("C:\\tmp\\infiles\\Desert.jpg");
byte[] aes_enc_data = CryptoFunctions.EncryptAES(k2, data2, iv);
CryptoFunctions.DecryptAES(k2, aes_enc_data, iv);
}
private void btnEncrypt_Click(object sender, EventArgs e)
{
byte[] data = File.ReadAllBytes(inputfileBrowser.TextBox.Text);
rsa.Encrypt_RSA_AES(data);
}