public static string DecryptUsingPrivateKey(string PrivateKey, int ModulosSize, string DataToDecrypt)
{
try
{
RSAx rsax = new RSAx(PrivateKey, ModulosSize);
rsax.RSAxHashAlgorithm = RSAxParameters.RSAxHashAlgorithm.SHA512;// ha_types[comboBox_OAEP_Hash.SelectedIndex];
byte[] PT = rsax.Decrypt(Convert.FromBase64String(DataToDecrypt), true, false);
return(Encoding.UTF8.GetString(PT));
}
catch (System.Exception ex)
{
throw new CryptographicException("Exception while Decryption: " + ex.Message);
}
}
public static string EncryptUsingPublicKey(string PublicKey, int ModulosSize, string DataToEncrypt)
{
try
{
RSAx rsax = new RSAx(PublicKey, ModulosSize);
rsax.RSAxHashAlgorithm = RSAxParameters.RSAxHashAlgorithm.SHA512;// ha_types[comboBox_OAEP_Hash.SelectedIndex];
byte[] CT = rsax.Encrypt(Encoding.UTF8.GetBytes(DataToEncrypt), false, false);
return(Convert.ToBase64String(CT));
}
catch (System.Exception ex)
{
throw new CryptographicException("Exception while Encryption: " + ex.Message);
}
}
