message: Fix bug with unit test
diff: @@ -112,9 +112,9 @@ public class AesSivTest {
  assertEquals(Hex.encode(plaintext), Hex.encode(rebuiltPlaintext));
  byte[] nullAadCiphertext = dead.encryptDeterministically(plaintext, null);
  - byte[] nullAadDecryptedText = dead.encryptDeterministically(plaintext, null);
  + byte[] nullAadDecryptedText = dead.decryptDeterministically(nullAadDecryptedText, null);
  assertEquals(AesUtil.BLOCK_SIZE, nullAadCiphertext.length);
  - assertEquals(Hex.encode(nullAadDecryptedText), Hex.encode(nullAadCiphertext));
  + assertEquals(Hex.encode(plaintext), Hex.encode(nullAadDecryptedText));
  }
  }
  }
  