private void Encrypt(byte b)
{
//Mix the with arbitrary bytes
_realBytePosition = _fastRandom.GetInt(0, SaltSize);
var arbitraryBytes = _fastRandom.GetBytes(SaltSize);
RuntimeHelper.ExecuteCodeWithGuaranteedCleanup(
//Action
() =>
{
arbitraryBytes[_realBytePosition] = b;
//Get key
_encryptionKey = _fastRandom.GetBytes(KeySize);
//Encrypt
var encryptedBuffer = _encryptor.Encrypt(arbitraryBytes, _encryptionKey);
RuntimeHelper.ExecuteCodeWithGuaranteedCleanup(
//Action
() =>
{
//Add arbitrary bytes
_encryptedByteLength = encryptedBuffer.Length;
_encryptedByte = GetMemoryProtectableSizedBytes(encryptedBuffer);
},
//Cleanup
() =>
{
if (encryptedBuffer != null)
{
Array.Clear(encryptedBuffer, 0, encryptedBuffer.Length);
}
});
},
//Cleanup
() =>
{
Array.Clear(arbitraryBytes, 0, arbitraryBytes.Length);
});
}
private void AddArbitraryByte()
{
var safeByte = _safeByteFactory.GetByByte((byte)_fastRandom.GetInt(0, 256));
_safeByteCollection.Append(safeByte);
}