Build the tool yo.
This commit is contained in:
pyro57000
5
.gitignore
vendored
5
.gitignore
vendored
@@ -19,3 +19,8 @@ target
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# and can be added to the global gitignore or merged into this file. For a more nuclear
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# option (not recommended) you can uncomment the following to ignore the entire idea folder.
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#.idea/
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# Added by cargo
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/target
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92
Cargo.lock
generated
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92
Cargo.lock
generated
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@@ -0,0 +1,92 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 4
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[[package]]
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name = "CrackaCesar"
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version = "0.1.0"
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dependencies = [
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"colored",
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]
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[[package]]
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name = "colored"
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version = "3.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "fde0e0ec90c9dfb3b4b1a0891a7dcd0e2bffde2f7efed5fe7c9bb00e5bfb915e"
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dependencies = [
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"windows-sys",
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]
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[[package]]
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name = "windows-sys"
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version = "0.59.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
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dependencies = [
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"windows-targets",
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]
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[[package]]
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name = "windows-targets"
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version = "0.52.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
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dependencies = [
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"windows_aarch64_gnullvm",
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"windows_aarch64_msvc",
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"windows_i686_gnu",
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"windows_i686_gnullvm",
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"windows_i686_msvc",
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"windows_x86_64_gnu",
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"windows_x86_64_gnullvm",
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"windows_x86_64_msvc",
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]
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[[package]]
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name = "windows_aarch64_gnullvm"
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version = "0.52.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
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[[package]]
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name = "windows_aarch64_msvc"
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version = "0.52.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
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[[package]]
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name = "windows_i686_gnu"
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version = "0.52.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
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[[package]]
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name = "windows_i686_gnullvm"
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version = "0.52.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
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[[package]]
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name = "windows_i686_msvc"
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version = "0.52.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
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[[package]]
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name = "windows_x86_64_gnu"
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version = "0.52.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
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[[package]]
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name = "windows_x86_64_gnullvm"
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version = "0.52.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
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[[package]]
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name = "windows_x86_64_msvc"
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version = "0.52.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
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7
Cargo.toml
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7
Cargo.toml
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@@ -0,0 +1,7 @@
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[package]
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name = "CrackaCesar"
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version = "0.1.0"
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edition = "2024"
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[dependencies]
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colored = "3.0.0"
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174
src/main.rs
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174
src/main.rs
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use std::collections::HashMap;
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use std::env::args;
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use std::io::stdin;
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use std::process::exit;
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use colored::Colorize;
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fn main() {
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let mut alphabet = HashMap::new();
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alphabet.insert(0, 'a');
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alphabet.insert(1, 'b');
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alphabet.insert(2, 'c');
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alphabet.insert(3, 'd');
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alphabet.insert(4, 'e');
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alphabet.insert(5, 'f');
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alphabet.insert(6, 'g');
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alphabet.insert(7, 'h');
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alphabet.insert(8, 'i');
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alphabet.insert(9, 'j');
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alphabet.insert(10, 'k');
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alphabet.insert(11, 'l');
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alphabet.insert(12, 'm');
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alphabet.insert(13, 'n');
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alphabet.insert(14, 'o');
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alphabet.insert(15, 'p');
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alphabet.insert(16, 'q');
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alphabet.insert(17, 'r');
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alphabet.insert(18, 's');
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alphabet.insert(19, 't');
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alphabet.insert(20, 'u');
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alphabet.insert(21, 'v');
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alphabet.insert(22, 'w');
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alphabet.insert(23, 'x');
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alphabet.insert(24, 'y');
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alphabet.insert(25, 'z');
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let mut cracking_key = 0;
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let common_short_words = vec![
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"i",
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"the",
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"an",
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"full",
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"bug",
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"of",
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"for",
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"you",
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"not",
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"are",
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"new",
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"was",
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"can",
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"has",
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"out",
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"use",
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"may",
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"our",
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"see",
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"his",
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"him",
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"her",
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"any",
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"but",
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"and",
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"all",
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"one",
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"two",
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"we",
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];
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let args: Vec<String> = args().collect();
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if args.len() < 2 {
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println!("
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USAGE:
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CrackaCesar cipher text
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");
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exit(1);
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}
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let mut cipher_vec = args.clone();
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cipher_vec.remove(0);
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let cipher_text = args[1..].join(" ");
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let mut short_words = Vec::new();
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for word in cipher_vec{
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if word.len() < 4{
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short_words.push(word.clone());
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}
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}
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let mut cracked = false;
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let mut failed_decrypt_words = Vec::new();
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for key in 0..26{
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let mut decrypted_words = Vec::new();
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for oword in short_words.clone(){
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let word = oword.to_lowercase();
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let mut addition_word = String::new();
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let chars = word.chars();
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for letter in chars{
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if letter.is_ascii_alphabetic(){
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let mut letter_orig_index = 0;
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for (key, value) in alphabet.iter(){
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if value == &letter{
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letter_orig_index = *key;
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}
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}
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let mut add_letter_index:i32 = letter_orig_index + key;
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if add_letter_index > 25{
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add_letter_index = add_letter_index - 26;
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}
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addition_word.push(alphabet[&add_letter_index]);
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}
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}
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decrypted_words.push(addition_word.clone());
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failed_decrypt_words.push(format!("{} => {}", key, &addition_word));
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}
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let success_num = decrypted_words.len();
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let mut valid_num: usize = 1;
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for word in &decrypted_words{
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if common_short_words.contains(&word.as_str()){
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valid_num += 1;
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}
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}
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if valid_num >= success_num{
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println!("{}\n", "key found!".green());
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cracked = true;
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cracking_key = key;
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}
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else if valid_num >= success_num / 2{
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println!("{}", "possible key found!".green());
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println!("{} => {}", key, decrypted_words.join("\n"));
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let mut crack_res = String::new();
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println!("try to decypt the whole string with this key?");
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stdin().read_line(&mut crack_res).unwrap();
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if crack_res.to_lowercase().contains("y"){
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cracked = true;
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cracking_key = key;
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}
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}
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}
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if !cracked{
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println!("{}", "couldn't automatically determine a cracking key...".red());
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println!("{}", failed_decrypt_words.join("\n\n"));
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let mut key_response = String::new();
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println!("key that resulted in real words? (enter no if none are)");
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stdin().read_line(&mut key_response).unwrap();
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if key_response.to_lowercase().contains("n"){
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println!("{}", "sorry about that, we can't seem to find the right key...".red());
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exit(1);
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}
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cracking_key = key_response.trim().parse().unwrap();
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}
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let mut cracked_string = String::new();
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for oletter in cipher_text.chars(){
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if oletter.is_alphabetic(){
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let letter = oletter.to_ascii_lowercase();
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let mut orig_index = 0;
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for (key, value) in alphabet.iter(){
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if value == &letter{
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orig_index = *key;
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}
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}
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let mut new_index: i32 = orig_index + cracking_key;
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if new_index > 25{
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new_index -= 26;
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}
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let new_letteer = alphabet[&new_index];
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cracked_string.push(new_letteer);
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}
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else{
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cracked_string.push(oletter);
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}
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}
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println!("{}\n{}", "Decdrypted cipher:".green() ,cracked_string);
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}
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