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Refactor some more, done for now

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This commit is contained in:
Felix Martin
2022-08-25 18:33:46 -04:00
parent b97b2fe6d0
commit 0951a6ab3e
5 changed files with 28 additions and 36 deletions
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14
src/set3.rs
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@@ -144,10 +144,10 @@ pub fn challenge19() {
letters
}
fn attack(ciphers: Vec<Bytes>) -> Vec<RefCell<Vec<u8>>> {
fn attack(ciphers: &[Bytes]) -> Vec<RefCell<Vec<u8>>> {
let ciphers_len = ciphers.len();
let deciphered = vec![RefCell::new(vec![]); ciphers_len];
let max_cipher_len = ciphers.iter().map(|c| c.len()).max().unwrap_or(0);
let max_cipher_len = ciphers.iter().map(Bytes::len).max().unwrap_or(0);
for byte_index in 0..max_cipher_len {
let letters = match byte_index {
@@ -170,7 +170,7 @@ pub fn challenge19() {
.collect();
let mut possible_chars: Vec<HashSet<u8>> = ciphers
.iter()
.map(|_| HashSet::from_iter(letters.iter().cloned()))
.map(|_| letters.iter().cloned().collect())
.collect();
for i in 0..ciphers_len {
@@ -180,8 +180,8 @@ pub fn challenge19() {
}
let xored = target_bytes[i].unwrap() ^ target_bytes[j].unwrap();
let chars = lookup.get(&xored).unwrap().borrow();
possible_chars[i] = possible_chars[i].intersection(&chars).cloned().collect();
possible_chars[j] = possible_chars[j].intersection(&chars).cloned().collect();
possible_chars[i] = possible_chars[i].intersection(&chars).copied().collect();
possible_chars[j] = possible_chars[j].intersection(&chars).copied().collect();
}
}
@@ -244,7 +244,7 @@ pub fn challenge19() {
let key = Bytes::from_utf8("YELLOW SUBMARINE");
let encrypt = |plaintext: &Bytes| -> Bytes { ctr::encrypt(&key, 0, plaintext) };
let ciphers: Vec<Bytes> = plaintexts.iter().map(encrypt).collect();
let decrypts = attack(ciphers);
let decrypts = attack(&ciphers);
manual(&decrypts);
let first_line = Bytes(decrypts[0].borrow().to_vec()).to_utf8();
println!("[okay] Challenge 19: {first_line}");
@@ -322,7 +322,7 @@ pub fn challenge22() {
}
pub fn challenge23() {
fn _temper(x: u32) -> u32 {
const fn _temper(x: u32) -> u32 {
const S: u32 = 7;
const T: u32 = 15;
const U: u32 = 11;