public void Test_Decrypt_VerifyEndOfMessage_FalseWhenPartiallyDecrypted()
{
using (var ciphertextStream = new MemoryStream())
using (var key = XChaChaKey.Generate())
{
var plaintext1 = RandomBytesGenerator.NextBytes(1024);
var plaintext2 = RandomBytesGenerator.NextBytes(1024);
using (var encryptionStream = new XChaChaStream(ciphertextStream, key, EncryptionMode.Encrypt, leaveOpen: true))
{
encryptionStream.Write(plaintext1);
encryptionStream.WriteFinal(plaintext2);
}
ciphertextStream.Position = 0;
using (var decryptionStream = new XChaChaStream(ciphertextStream, key, EncryptionMode.Decrypt))
{
var decryptedPlainText = new byte[plaintext1.Length];
decryptionStream.Read(decryptedPlainText);
Assert.False(decryptionStream.VerifyEndOfMessage());
}
}
}
