Function openssl::symm::decrypt_aead

pub fn decrypt_aead(
    t: Cipher, 
    key: &[u8], 
    iv: Option<&[u8]>, 
    aad: &[u8], 
    data: &[u8], 
    tag: &[u8]
) -> Result<Vec<u8>, ErrorStack>

Like decrypt, but for AEAD ciphers such as AES GCM.

Additional Authenticated Data can be provided in the aad field, and the authentication tag should be provided in the tag field.