use data_encoding::{Encoding, BASE32_NOPAD};

fn main() {
    let mut spec = BASE32_NOPAD.specification();
    spec.check_trailing_bits = false;
    let base = spec.encoding().unwrap();
    for i in 0..10 {
        println!("{:?}", generate(&base, i));
    }
}

fn generate(base: &Encoding, len: usize) -> Vec<u8> {
    let input = vec![b'F'; base.encode_len(len)]; // Randomize content.
    base.decode(&input).unwrap()
}