public void Streams()
{
// Verify that we can encrypt and decrypt streams.
var decryptedBytes = new byte[32 * 1024];
var encryptedBytes = (byte[])null;
var key = string.Empty;
// Encrypt some bytes.
for (int i = 0; i < decryptedBytes.Length; i++)
{
decryptedBytes[i] = (byte)i;
}
using (var decryptedStream = new MemoryStream(decryptedBytes))
{
using (var encryptedStream = new MemoryStream())
{
using (var cipher = new AesCipher())
{
cipher.EncryptStream(decryptedStream, encryptedStream);
// Save the key and encrypted data so we can test decryption below.
encryptedBytes = encryptedStream.ToArray();
key = cipher.Key;
}
// Verify that the two streams haven't been dispoed.
decryptedStream.Position = 0;
encryptedStream.Position = 0;
}
}
// Decrypt the encypted data and verify.
using (var encryptedStream = new MemoryStream(encryptedBytes))
{
using (var decryptedStream = new MemoryStream())
{
using (var cipher = new AesCipher(key))
{
cipher.DecryptStream(encryptedStream, decryptedStream);
}
// Verify that the decrypted data matches the original.
Assert.Equal(decryptedBytes, decryptedStream.ToArray());
}
}
}