cryptopals

commit fd51b273d06b40ead9be24d15b52c88323d813e0
parent b290dc26ffc3b8fcffdb7f370838fa7a198159a4
Author: Jared Tobin <jared@jtobin.ca>
Date:   Sun, 18 Dec 2016 12:32:12 +1300

Misc utility work/shuffling.

Diffstat:
M
.gitignore
 | 
5
+++++
M
README.md
 | 
2
++
A
etc/data/6.txt
 | 
64
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
R
src/data/s1c4.dat -> etc/data/s1c4.dat
 | 
0

A
lib/fixed_xor/Cargo.lock
 | 
14
++++++++++++++
A
lib/fixed_xor/Cargo.toml
 | 
8
++++++++
A
lib/fixed_xor/src/main.rs
 | 
32
++++++++++++++++++++++++++++++++
A
lib/hex2b64/Cargo.lock
 | 
14
++++++++++++++
A
lib/hex2b64/Cargo.toml
 | 
8
++++++++
A
lib/hex2b64/src/main.rs
 | 
19
+++++++++++++++++++

10 files changed, 166 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -1,2 +1,7 @@
 rust_intro
 probs
+bin
+target
+*.swp
+*.o
+*.hi
diff --git a/README.md b/README.md
@@ -1,5 +1,7 @@
 # cryptopals
 
+[![MIT License](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/jtobin/cryptopals/blob/master/LICENSE)
+
 Matasano's [cryptopals challenges](http://cryptopals.com/), implemented mainly
 in [Rust](https://www.rust-lang.org) and [Haskell](https://haskell-lang.org/).
 
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diff --git a/src/data/s1c4.dat b/etc/data/s1c4.dat
diff --git a/lib/fixed_xor/Cargo.lock b/lib/fixed_xor/Cargo.lock
@@ -0,0 +1,14 @@
+[root]
+name = "fixed_xor"
+version = "0.1.0"
+dependencies = [
+ "rustc-serialize 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rustc-serialize"
+version = "0.3.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[metadata]
+"checksum rustc-serialize 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)" = "237546c689f20bb44980270c73c3b9edd0891c1be49cc1274406134a66d3957b"
diff --git a/lib/fixed_xor/Cargo.toml b/lib/fixed_xor/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "fixed_xor"
+version = "0.1.0"
+authors = ["Jared Tobin <jared@jtobin.ca>"]
+
+[dependencies]
+
+rustc-serialize = "0.3.0"
diff --git a/lib/fixed_xor/src/main.rs b/lib/fixed_xor/src/main.rs
@@ -0,0 +1,32 @@
+extern crate rustc_serialize;
+
+use rustc_serialize::hex::{ToHex, FromHex};
+use std::env;
+
+fn fixed_xor(target: &str, partner: &str) -> String {
+    assert_eq!(target.len(), partner.len());
+
+    let mut l = target.from_hex().unwrap();
+    let r     = partner.from_hex().unwrap();
+
+    for (lb, rb) in l.iter_mut().zip(r) { *lb ^= rb }
+
+    l.to_hex()
+}
+
+fn main() {
+    let args: Vec<String> = env::args().collect();
+
+    if args.len() != 3 {
+        println!("USAGE: ./fixed_xor HEX HEX");
+        return ()
+    }
+
+    let left  = &args[1];
+    let right = &args[2];
+
+    let result = fixed_xor(left, right);
+
+    println!("{}", result);
+}
+
diff --git a/lib/hex2b64/Cargo.lock b/lib/hex2b64/Cargo.lock
@@ -0,0 +1,14 @@
+[root]
+name = "hex2b64"
+version = "0.1.0"
+dependencies = [
+ "rustc-serialize 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rustc-serialize"
+version = "0.3.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[metadata]
+"checksum rustc-serialize 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)" = "237546c689f20bb44980270c73c3b9edd0891c1be49cc1274406134a66d3957b"
diff --git a/lib/hex2b64/Cargo.toml b/lib/hex2b64/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "hex2b64"
+version = "0.1.0"
+authors = ["Jared Tobin <jared@jtobin.ca>"]
+
+[dependencies]
+
+rustc-serialize = "0.3.0"
diff --git a/lib/hex2b64/src/main.rs b/lib/hex2b64/src/main.rs
@@ -0,0 +1,19 @@
+extern crate rustc_serialize as serialize;
+
+use serialize::base64::{self, ToBase64};
+use serialize::hex::FromHex;
+use std::io::{self, Read};
+
+fn main() {
+    let mut buffer = String::new();
+
+    io::stdin().read_to_string(&mut buffer)
+        .expect("hex2b64: bad input");
+
+    let result = match buffer.from_hex() {
+        Err(err) => panic!("hex2b64: {}", err),
+        Ok(val)  => val.to_base64(base64::STANDARD),
+    };
+
+    println!("{}", result);
+}