move common stuff to common crate
This commit is contained in:
Thomas Lindner
parent
8476e7f6b1
commit
41581053dd
291
Cargo.lock
generated
291
Cargo.lock
generated
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@ -4,58 +4,96 @@ version = 3
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@ -65,13 +103,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -81,31 +116,38 @@ checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
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|
||||
|
||||
[[package]]
|
||||
name = "xor_cipher"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"common",
|
||||
"env_logger",
|
||||
"log 0.3.9",
|
||||
"log",
|
||||
"rustc-serialize",
|
||||
]
|
||||
|
|
|
|||
|
|
@ -1,8 +1,10 @@
|
|||
[workspace]
|
||||
|
||||
members = [
|
||||
"common",
|
||||
"set1/challenge1_hex2base64",
|
||||
"set1/challenge2_fixed_xor",
|
||||
"set1/challenge3_xor_cipher",
|
||||
"set1/challenge4_detect_xor",
|
||||
]
|
||||
resolver = "2"
|
||||
|
|
|
|||
7
common/Cargo.toml
Normal file
7
common/Cargo.toml
Normal file
|
|
@ -0,0 +1,7 @@
|
|||
[package]
|
||||
name = "common"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
authors = ["Thomas Lindner <tom@dl6tom.de>"]
|
||||
|
||||
[dependencies]
|
||||
37
common/src/lib.rs
Normal file
37
common/src/lib.rs
Normal file
|
|
@ -0,0 +1,37 @@
|
|||
use std::iter::repeat;
|
||||
|
||||
pub fn score(plaintext: &Vec<u8>) -> u32 {
|
||||
let ranking = [24, 7, 15, 17, 26, 11, 10, 19, 22, 4, 5, 16, 13,
|
||||
21, 23, 8, 2, 18, 20, 25, 14, 6, 12, 3, 9, 1];
|
||||
let mut score = 0;
|
||||
|
||||
for ch in plaintext.iter() {
|
||||
if ch >= &97 && ch <= &122 {
|
||||
score += ranking[(ch - 97) as usize];
|
||||
}
|
||||
}
|
||||
score
|
||||
}
|
||||
|
||||
pub fn fixed_xor_cipher(ciphertext: &Vec<u8>, keyiter: &mut dyn Iterator<Item = &u8>) -> Vec<u8> {
|
||||
ciphertext.iter().zip(keyiter).map(|(c, k)| c ^ k).collect()
|
||||
}
|
||||
|
||||
pub fn xor_cipher(ciphertext: &Vec<u8>, key: u8) -> Vec<u8> {
|
||||
fixed_xor_cipher(ciphertext, &mut repeat(&key))
|
||||
}
|
||||
|
||||
pub fn break_xor_cipher(ciphertext: &Vec<u8>) -> (Vec<u8>, u32) {
|
||||
let mut maxscore = 0;
|
||||
let mut decrypted: Vec<u8> = vec![];
|
||||
|
||||
for key in 0..0xff {
|
||||
let plaintext: Vec<u8> = xor_cipher(&ciphertext, key);
|
||||
let s = score(&plaintext);
|
||||
if s > maxscore {
|
||||
maxscore = s;
|
||||
decrypted = plaintext;
|
||||
}
|
||||
}
|
||||
(decrypted, maxscore)
|
||||
}
|
||||
|
|
@ -1,9 +1,10 @@
|
|||
[package]
|
||||
name = "hex2base64"
|
||||
version = "0.1.0"
|
||||
authors = ["Thomas Lindner <thomas.lindner@fau.de>"]
|
||||
edition = "2021"
|
||||
authors = ["Thomas Lindner <tom@dl6tom.de>"]
|
||||
|
||||
[dependencies]
|
||||
log = "0.3.6"
|
||||
env_logger = "0.3.4"
|
||||
log = "0.4"
|
||||
env_logger = "0.10"
|
||||
rustc-serialize = "0.3"
|
||||
|
|
|
|||
|
|
@ -1,14 +1,10 @@
|
|||
#[macro_use]
|
||||
extern crate log;
|
||||
extern crate env_logger;
|
||||
extern crate rustc_serialize;
|
||||
|
||||
use log::error;
|
||||
use rustc_serialize::hex::FromHex;
|
||||
use rustc_serialize::base64::{STANDARD, ToBase64};
|
||||
use std::io::{BufRead, stdin};
|
||||
|
||||
fn main() {
|
||||
env_logger::init().unwrap();
|
||||
env_logger::init();
|
||||
let stdin = stdin();
|
||||
|
||||
for line in stdin.lock().lines().filter_map(|x| x.ok()) {
|
||||
|
|
|
|||
|
|
@ -1,9 +1,11 @@
|
|||
[package]
|
||||
name = "fixed_xor"
|
||||
version = "0.1.0"
|
||||
authors = ["Thomas Lindner <thomas.lindner@fau.de>"]
|
||||
edition = "2021"
|
||||
authors = ["Thomas Lindner <tom@dl6tom.de>"]
|
||||
|
||||
[dependencies]
|
||||
log = "0.3.6"
|
||||
env_logger = "0.3.4"
|
||||
common = { path = "../../common" }
|
||||
log = "0.4"
|
||||
env_logger = "0.10"
|
||||
rustc-serialize = "0.3"
|
||||
|
|
|
|||
|
|
@ -1,8 +1,5 @@
|
|||
#[macro_use]
|
||||
extern crate log;
|
||||
extern crate env_logger;
|
||||
extern crate rustc_serialize;
|
||||
|
||||
use common::fixed_xor_cipher;
|
||||
use log::error;
|
||||
use rustc_serialize::hex::{FromHex, ToHex};
|
||||
use std::io::{BufRead, stdin};
|
||||
|
||||
|
|
@ -21,12 +18,12 @@ impl<T> Iterator for Pairwise<T> where T: Iterator {
|
|||
}
|
||||
|
||||
fn main() {
|
||||
env_logger::init().unwrap();
|
||||
env_logger::init();
|
||||
let stdin = stdin();
|
||||
|
||||
for (line1, line2) in Pairwise(stdin.lock().lines().filter_map(|x| x.ok())) {
|
||||
match (line1.from_hex(), line2.from_hex()) {
|
||||
(Ok(v1), Ok(v2)) => println!("{}", v1.iter().zip(v2).map(|(a, b)| a ^ b).collect::<Vec<u8>>().to_hex()),
|
||||
(Ok(v1), Ok(v2)) => println!("{}", fixed_xor_cipher(&v1, &mut v2.iter()).to_hex()),
|
||||
(Err(e), _) => error!("{}", e),
|
||||
(_, Err(e)) => error!("{}", e)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,9 +1,11 @@
|
|||
[package]
|
||||
name = "xor_cipher"
|
||||
version = "0.1.0"
|
||||
authors = ["Thomas Lindner <thomas.lindner@fau.de>"]
|
||||
edition = "2021"
|
||||
authors = ["Thomas Lindner <tom@dl6tom.de>"]
|
||||
|
||||
[dependencies]
|
||||
log = "0.3.6"
|
||||
env_logger = "0.3.4"
|
||||
common = { path = "../../common" }
|
||||
log = "0.4"
|
||||
env_logger = "0.10"
|
||||
rustc-serialize = "0.3"
|
||||
|
|
|
|||
|
|
@ -1,43 +1,16 @@
|
|||
#[macro_use]
|
||||
extern crate log;
|
||||
extern crate env_logger;
|
||||
extern crate rustc_serialize;
|
||||
|
||||
use common::break_xor_cipher;
|
||||
use log::error;
|
||||
use rustc_serialize::hex::FromHex;
|
||||
use std::io::{BufRead, stdin};
|
||||
use std::iter::repeat;
|
||||
|
||||
fn score(plaintext: &Vec<u8>) -> u32 {
|
||||
let ranking = [24, 7, 15, 17, 26, 11, 10, 19, 22, 4, 5, 16, 13,
|
||||
21, 23, 8, 2, 18, 20, 25, 14, 6, 12, 3, 9, 1];
|
||||
let mut score = 0;
|
||||
|
||||
for ch in plaintext.iter() {
|
||||
if ch >= &97 && ch <= &122 {
|
||||
score += ranking[(ch - 97) as usize];
|
||||
}
|
||||
}
|
||||
score
|
||||
}
|
||||
|
||||
fn main() {
|
||||
env_logger::init().unwrap();
|
||||
env_logger::init();
|
||||
let stdin = stdin();
|
||||
|
||||
for line in stdin.lock().lines().filter_map(|x| x.ok()) {
|
||||
match line.from_hex() {
|
||||
Ok(ciphertext) => {
|
||||
let mut maxscore = 0;
|
||||
let mut decrypted: Vec<u8> = vec![];
|
||||
|
||||
for key in 0..0xff {
|
||||
let plaintext: Vec<u8> = ciphertext.iter().zip(repeat(key)).map(|(c, k)| c ^ k).collect();
|
||||
let s = score(&plaintext);
|
||||
if s > maxscore {
|
||||
maxscore = s;
|
||||
decrypted = plaintext;
|
||||
}
|
||||
}
|
||||
let (decrypted, _) = break_xor_cipher(&ciphertext);
|
||||
match String::from_utf8(decrypted) {
|
||||
Ok(s) => println!("{}", s),
|
||||
Err(e) => error!("{}", e)
|
||||
|
|
|
|||
|
|
@ -1,9 +1,11 @@
|
|||
[package]
|
||||
name = "detect_xor"
|
||||
version = "0.1.0"
|
||||
authors = ["Thomas Lindner <thomas.lindner@fau.de>"]
|
||||
edition = "2021"
|
||||
authors = ["Thomas Lindner <tom@dl6tom.de>"]
|
||||
|
||||
[dependencies]
|
||||
log = "0.3.6"
|
||||
env_logger = "0.3.4"
|
||||
common = { path = "../../common" }
|
||||
log = "0.4"
|
||||
env_logger = "0.10"
|
||||
rustc-serialize = "0.3"
|
||||
|
|
|
|||
|
|
@ -1,27 +1,10 @@
|
|||
#[macro_use]
|
||||
extern crate log;
|
||||
extern crate env_logger;
|
||||
extern crate rustc_serialize;
|
||||
|
||||
use common::break_xor_cipher;
|
||||
use log::error;
|
||||
use rustc_serialize::hex::FromHex;
|
||||
use std::io::{BufRead, stdin};
|
||||
use std::iter::repeat;
|
||||
|
||||
fn score(plaintext: &Vec<u8>) -> u32 {
|
||||
let ranking = [24, 7, 15, 17, 26, 11, 10, 19, 22, 4, 5, 16, 13,
|
||||
21, 23, 8, 2, 18, 20, 25, 14, 6, 12, 3, 9, 1];
|
||||
let mut score = 0;
|
||||
|
||||
for ch in plaintext.iter() {
|
||||
if ch >= &97 && ch <= &122 {
|
||||
score += ranking[(ch - 97) as usize];
|
||||
}
|
||||
}
|
||||
score
|
||||
}
|
||||
|
||||
fn main() {
|
||||
env_logger::init().unwrap();
|
||||
env_logger::init();
|
||||
let stdin = stdin();
|
||||
let mut maxscore = 0;
|
||||
let mut decrypted: Vec<u8> = vec![];
|
||||
|
|
@ -29,13 +12,10 @@ fn main() {
|
|||
for line in stdin.lock().lines().filter_map(|x| x.ok()) {
|
||||
match line.from_hex() {
|
||||
Ok(ciphertext) => {
|
||||
for key in 0..0xff {
|
||||
let plaintext: Vec<u8> = ciphertext.iter().zip(repeat(key)).map(|(c, k)| c ^ k).collect();
|
||||
let s = score(&plaintext);
|
||||
if s > maxscore {
|
||||
maxscore = s;
|
||||
decrypted = plaintext;
|
||||
}
|
||||
let (plaintext, score) = break_xor_cipher(&ciphertext);
|
||||
if score > maxscore {
|
||||
maxscore = score;
|
||||
decrypted = plaintext;
|
||||
}
|
||||
}
|
||||
Err(e) => error!("{}", e)
|
||||
|
|
|
|||
Loading…
Reference in a new issue