internal static string GetValueFromKey(string key, string value)
{
string result = "";
if (key == null)
{
return("");
}
byte[] bytes = CryptoPrefsCreater.s_defaultEncoding.GetBytes(key);
try
{
byte[] bytes2 = CryptoPrefsCreater.s_defaultEncoding.GetBytes(value);
byte[] buffer = CryptoPrefsCreater.GetBuffer(bytes2.Length + CryptoPrefsCreater._aead.MaxOverhead);
try
{
ArraySegment <byte> arraySegment = CryptoPrefsCreater._aead.Encrypt(new ArraySegment <byte>(bytes2), bytes, buffer);
string text2 = Convert.ToBase64String(arraySegment.Array, arraySegment.Offset, arraySegment.Count);
result = text2;
return(result);
}
finally
{
Array.Clear(buffer, 0, buffer.Length);
}
}
catch (Exception)
{
}
return(result);
}
internal static string WrapKey(byte[] keyBytes)
{
byte[] buffer = CryptoPrefsCreater.GetBuffer(keyBytes.Length + CryptoPrefsCreater._aead.MaxOverhead);
string result2;
try
{
byte[] inArray = CryptoPrefsCreater._aesFacade.Encrypt(keyBytes);
string text = "AEAD:" + Convert.ToBase64String(inArray);
result2 = text;
}
catch (Exception)
{
string text2 = Convert.ToBase64String(keyBytes);
result2 = text2;
}
finally
{
Array.Clear(buffer, 0, buffer.Length);
}
return(result2);
}
private void Encrypt_Click(object sender, EventArgs e)
{
EncryptKeyOut.Text = Jformat(HttpUtility.UrlEncode(CryptoPrefsCreater.WrapKey(EncryptKeyIn.Text)));
EncryptValueOut.Text = Jformat(HttpUtility.UrlEncode(CryptoPrefsCreater.GetValueFromKey(EncryptKeyIn.Text, EncryptValueIn.Text)));
FullTextEnc.Text = "<string name=\"" + EncryptKeyOut.Text + "\">" + EncryptValueOut.Text + "</string>";
}
internal static string WrapKey(string key)
{
byte[] bytes = CryptoPrefsCreater.s_defaultEncoding.GetBytes(key);
return(CryptoPrefsCreater.WrapKey(bytes));
}