public static String EncryptData(string data2Encrypt)
{
EZRSA rsa;
rsa = new EZRSA(1024);
rsa.FromXmlString(publicKeyString);
byte[] plainbytes = System.Text.Encoding.UTF8.GetBytes(data2Encrypt);
byte[] cipherbytes = rsa.Encrypt(plainbytes, false);
string base64String = Convert.ToBase64String(cipherbytes);
return HttpUtility.UrlEncode(base64String);
}
public static string DecryptData(string data2Decrypt)
{
//string urlDecodeData = HttpUtility.UrlDecode(data2Decrypt);
EZRSA rsa;
rsa = new EZRSA(1024);
rsa.FromXmlString(privateKeyString);
byte[] getpassword = Convert.FromBase64String(data2Decrypt);
byte[] plain = rsa.Decrypt(getpassword, false);
return System.Text.Encoding.UTF8.GetString(plain);
}
public void SaveWithSignature(string fileName, string keyFileName)
{
EZRSA rsa = new EZRSA(1024);
//rsa.MapHashAlgorithmOID(
if (File.Exists(keyFileName))
{
StreamReader sr = File.OpenText(keyFileName);
string str = sr.ReadToEnd();
rsa.FromXmlString(str);
sr.Close();
XmlDocument doc = SaveWithSignature(rsa);
doc.Save(fileName);
}
// TODO: exception
/*else
{
int poo;
}*/
}
public XmlDocument SaveWithSignature(string keyFileName)
{
// CspParameters cspParams = new CspParameters();
// cspParams.Flags = CspProviderFlags.UseExistingKey;
// RSA rsa = new RSACryptoServiceProvider(cspParams);
EZRSA rsa = new EZRSA(1024);
rsa.FromXmlString(File.ReadAllText(keyFileName));
return SaveWithSignature(rsa);
}
