private void btnDecrypt_Click(object sender, EventArgs e)
{
// refresh the encryption strength (this doesn't seem to make any difference in the cipher)
// to test inbound EncryptionLevel settings, convert the keysize to a byte to verify accurate and safe casting to
// a CryptoStrength enum selection.
byte estrength = Convert.ToByte(m_keySize);
// retrieve the crypto configuration for this particular cipher:
var response = Convert.FromBase64String(txtEncryptedText.Text);
var storedToken = new RESTAuthToken();
storedToken.RESTAuthTokenInfo = response;
// decrypt the message (returned as a byte array)
txtClearText.Text = storedToken.ClearText;
}
private void btnEncrypt_Click(object sender, EventArgs e)
{
// refresh the encryption strength (this doesn't seem to make any difference in the cipher)
setAesStrength();
// Encrypt the string to an array of bytes.
byte[] clearPayload = Encoding.ASCII.GetBytes(txtClearText.Text);
CryptoManager.Crypto.ToJson = Convert.ToBase64String(CryptoManager.Crypto.EncryptAES(clearPayload, m_keySize));
txtClearText.Text = CryptoManager.Crypto.ToJson;
txtCryptoAESSalt.Text = CryptoManager.Crypto.CryptoSalt;
txtNonceValue.Text = Encoding.ASCII.GetString(CryptoManager.Crypto.Nonce);
var bson = Encoding.ASCII.GetBytes(CryptoManager.Crypto.ToJson);
txtEncryptedText.Text = Convert.ToBase64String(bson);
var json = Encoding.ASCII.GetString(Convert.FromBase64String(txtEncryptedText.Text));
var token = new RESTAuthToken { RESTTransactionId = Guid.NewGuid(), RESTAuthTokenInfo = bson, RESTExpiration = DateTime.UtcNow.AddMinutes(60) };
}