pub fn open_with_aad(
key: &EncryptionKey,
ciphertext: &[u8],
nonce: &[u8],
aad: &[u8],
) -> Result<Vec<u8>, EncryptionError>pub fn open_with_aad(
key: &EncryptionKey,
ciphertext: &[u8],
nonce: &[u8],
aad: &[u8],
) -> Result<Vec<u8>, EncryptionError>