Some ciphers actually support encrypting zero length plaintexts. For
example, many AEAD modes support this. The resulting ciphertext for
those winds up being only the authentication tag, which is a result of
the key, the iv, the additional data, and the fact that the plaintext
had zero length. The
On Sun, Dec 06, 2015 at 02:51:37AM +0100, Jason A. Donenfeld wrote:
> Some ciphers actually support encrypting zero length plaintexts. For
> example, many AEAD modes support this. The resulting ciphertext for
> those winds up being only the authentication tag, which is a result of
> the key, the iv