40 lines
1.2 KiB
Rust
40 lines
1.2 KiB
Rust
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const P: [usize; 32] = [
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16, 7, 20, 21, 29, 12, 28, 17, 1, 15, 23, 26, 5, 18, 31, 10, 2, 8, 24, 14, 32, 27, 3, 9, 19,
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13, 30, 6, 22, 11, 4, 25,
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];
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fn p<T: Copy + Default>(i: [T; 32]) -> [T; 32] {
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let mut res: [T; 32] = [T::default(); 32];
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for (i, p) in i.iter().zip(P.iter()) {
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res[*p - 1] = *i;
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}
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res
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}
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fn main() {
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let i: [u8; 32] = [
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1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0,
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0, 0,
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];
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p(i).iter().for_each(|i| print!("{}", i));
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println!();
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let p = &[
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true, false, false, false, false, false, true, false, false, true, false, true, true,
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false, false, true, true, true, false, true, false, true, true, true, false, false, true,
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true, true, false, true, true,
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];
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let l0 = &[
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true, true, true, true, true, true, true, true, true, true, true, true, true, true, true,
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true, true, true, true, true, true, true, true, true, true, true, true, true, true, true,
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true, true,
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];
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p.iter()
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.zip(l0.iter())
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.map(|(a, b)| a ^ b)
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.map(|x| if x { '1' } else { '0' })
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.for_each(|x| print!("{}", x));
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println!();
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}
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