Function control_block

src/pq.rs:276–284

Build the response control block that carries a freshly issued ticket.

(ticket_lifetime: u32, ticket: &[u8])

/// Build the response control block that carries a freshly issued ticket.
pub fn control_block(ticket_lifetime: u32, ticket: &[u8]) -> Vec<u8> {
    let mut c = Vec::with_capacity(4 + 1 + 4 + 2 + ticket.len());
    c.extend_from_slice(&PQ_CONTROL_MAGIC);
    c.push(PQ_CONTROL_VERSION);
    c.extend_from_slice(&ticket_lifetime.to_be_bytes());
    c.extend_from_slice(&(ticket.len() as u16).to_be_bytes());
    c.extend_from_slice(ticket);
    c
}

/// ISO/IEC 7816-4 padding to the next multiple of 64, with a minimum floor
/// (itself a multiple of 64). Always appends at least the `0x80` marker.