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@ -4,6 +4,7 @@ use crate::lib::crypt::{
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decrypt_brute_brute_force, decrypt_data, decrypt_with_dictionary, encrypt_data,
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};
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use crate::lib::hash::{create_key, sha256, sha_checksum};
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use crate::lib::timing::TimeTaker;
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use bdf::chunks::{DataEntry, HashEntry, HashLookupTable};
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use bdf::io::{BDFReader, BDFWriter};
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use pbr::ProgressBar;
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@ -90,9 +91,14 @@ struct CreateDictionary {
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#[structopt(short = "o", long = "output", default_value = "dictionary.bdf")]
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output: String,
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/// If the dictionary file should be compressed
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#[structopt(short = "c", long = "compress")]
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compress: bool,
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/// The compression level of the dictionary file from 1 to 9
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/// 0 means no compression
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#[structopt(short = "c", long = "compression-level", default_value = "0")]
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compress: u32,
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/// The number of password entries per chunk.
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#[structopt(long = "entries-per-chunk", default_value = "100000")]
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entries_per_chunk: u32,
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}
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fn main() {
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@ -125,28 +131,41 @@ fn encrypt(_opts: &Opts, args: &Encrypt) {
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/// Decrypts a des encrypted file.
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/// Brute forces if the dictionary argument was passed
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fn decrypt(_opts: &Opts, args: &Decrypt) {
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let mut tt = TimeTaker::new();
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tt.take("start");
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let input: String = (*args.input).parse().unwrap();
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let output: String = (*args.output).parse().unwrap();
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let dictionary = args.dictionary.clone();
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let data = fs::read(input).expect("Failed to read input file!");
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if let Some(input_checksum) = (args.clone()).input_checksum {
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tt.take("read-start");
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let bin_content = fs::read(input_checksum).expect("Failed to read checksum file!");
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let data_checksum = base64::decode(bin_content.as_slice()).unwrap();
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println!(
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"Reading took {:.2}s",
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tt.since("read-start").unwrap().as_secs_f32()
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);
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if let Some(dict) = dictionary {
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tt.take("decryption-start");
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if let Some(dec_data) = decrypt_with_dictionary_file(dict, &data, &data_checksum) {
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fs::write(output, &dec_data).expect("Failed to write output file!");
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println!("\nFinished!");
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println!(
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"Decryption took {:.2}s",
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tt.since("decryption-start").unwrap().as_secs_f32()
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);
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println!("Finished {:.2}s!", tt.since("start").unwrap().as_secs_f32());
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} else {
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println!("\nNo password found!");
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println!("Finished {:.2}s!", tt.since("start").unwrap().as_secs_f32());
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}
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} else {
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let sp = spinner("Brute force decrypting file");
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if let Some(dec_data) = decrypt_brute_brute_force(&data, &data_checksum) {
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sp.stop();
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fs::write(output, &dec_data).expect("Failed to write output file!");
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println!("\nFinished!");
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println!("Finished {:.2}s!", tt.since("start").unwrap().as_secs_f32());
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} else {
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sp.stop();
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println!("\nNo fitting key found. (This should have been impossible)")
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@ -161,26 +180,36 @@ fn decrypt(_opts: &Opts, args: &Decrypt) {
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}
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const SHA256: &str = "sha256";
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/// Creates a dictionary from an input file and writes it to the output file
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fn create_dictionary(_opts: &Opts, args: &CreateDictionary) {
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let mut tt = TimeTaker::new();
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tt.take("start");
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let sp = spinner("Reading input file...");
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let input: String = (*args.input).parse().unwrap();
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// TODO: Some form of removing duplicates (without itertools)
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let fout = File::create(args.output.clone()).unwrap();
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let writer = BufWriter::new(fout);
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let handle;
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{
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let content = fs::read_to_string(input).expect("Failed to read content");
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let lines = content.par_lines();
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let entry_count = lines.clone().count() as u64;
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sp.stop();
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let mut pb = ProgressBar::new(entry_count);
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pb.set_max_refresh_rate(Some(Duration::from_millis(200)));
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let (rx, tx) = sync_channel::<DataEntry>(100_000);
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let mut bdf_file = BDFWriter::new(writer, entry_count, args.compress);
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let (rx, tx) = sync_channel::<DataEntry>(100_00_000);
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let mut bdf_file = BDFWriter::new(writer, entry_count, args.compress != 0);
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bdf_file.set_compression_level(args.compress);
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bdf_file
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.set_entries_per_chunk(args.entries_per_chunk)
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.expect("Failed to set the entries per chunk.");
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bdf_file
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.add_lookup_entry(HashEntry::new(SHA256.to_string(), 32))
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.expect("Failed to add lookup entry");
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.expect("Failed to add sha256 lookup entry");
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handle = thread::spawn(move || {
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for entry in tx {
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if let Err(e) = bdf_file.add_data_entry(entry) {
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@ -194,13 +223,15 @@ fn create_dictionary(_opts: &Opts, args: &CreateDictionary) {
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.flush_writer()
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.expect("failed to flush the file writer");
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});
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tt.take("creation");
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let re = Regex::new("[\\x00\\x08\\x0B\\x0C\\x0E-\\x1F\\t\\r\\a\\n]").unwrap();
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lines
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.map(|line| -> String { re.replace_all(line, "").to_string() })
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.map(|pw| -> DataEntry {
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let key = sha256(&pw);
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let key256 = sha256(&pw);
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let mut data_entry = DataEntry::new(pw);
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data_entry.add_hash_value(SHA256.to_string(), key);
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data_entry.add_hash_value(SHA256.to_string(), key256);
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data_entry
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})
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@ -208,11 +239,15 @@ fn create_dictionary(_opts: &Opts, args: &CreateDictionary) {
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rx.send(data_entry)
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.expect("Failed to send value to channel.");
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});
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}
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if let Err(_err) = handle.join() {
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println!("Failed to join!");
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}
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println!("Finished!");
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println!(
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"Rainbow table creation took {:.2}s",
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tt.since("creation").unwrap().as_secs_f32()
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);
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println!("Finished {:.2}s!", tt.since("start").unwrap().as_secs_f32());
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}
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/// Creates a new spinner with a given text
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trivernis
5 years ago