Function ring::aead::aes::ctr32_encrypt_blocks_

fn ctr32_encrypt_blocks_(
    f: unsafe extern "C" fn(input: *const [u8; 16], output: *mut [u8; 16], blocks: usize, key: &AES_KEY, ivec: &Counter),
    in_out: &mut [u8],
    src: RangeFrom<usize>,
    key: &AES_KEY,
    ctr: &mut Counter,
)