pub fn decrypt_data(
ciphertext: &[u8],
group_secret: &GroupSecret,
nonce: XAeadNonce,
) -> Result<Vec<u8>, XAeadError>
pub fn decrypt_data(
ciphertext: &[u8],
group_secret: &GroupSecret,
nonce: XAeadNonce,
) -> Result<Vec<u8>, XAeadError>