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POC outil cryptographique
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.idea/.gitignore

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.idea/modules.xml

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.idea/redrose.iml

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.idea/vcs.xml

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Cargo.lock

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Cargo.toml

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[package]
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name = "redrose"
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version = "0.1.0"
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edition = "2021"
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[dependencies]
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rand = "0.8"
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aes = "0.7"
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block-modes = "0.8"
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generic-array = "0.14.7"

src/main.rs

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use std::env;
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use std::fs::{self, File};
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use std::io::{Write};
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use aes::{Aes128, NewBlockCipher}; // Importer NewBlockCipher
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use block_modes::{BlockMode, Cbc};
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use block_modes::block_padding::Pkcs7;
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use generic_array::{GenericArray, typenum::U16}; // Importer GenericArray et typenum
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type Aes128Cbc = Cbc<Aes128, Pkcs7>;
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fn main() {
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let args: Vec<String> = env::args().collect();
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if args.len() < 5 {
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eprintln!("Usage: cargo run -- --crypt --file [file] --password [password]");
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eprintln!("Or: cargo run -- --decrypt --file [file] --redrose [key_file]");
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return;
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}
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let mode = &args[1];
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let file_path = &args[3];
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let password = &args[4];
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match mode.as_str() {
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"--crypt" => encrypt_file(file_path, password),
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"--decrypt" => decrypt_file(file_path, &args[5]),
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_ => eprintln!("Invalid mode. Use --crypt or --decrypt."),
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}
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}
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fn encrypt_file(file_path: &str, password: &str) {
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let file_content = fs::read(file_path).expect("Unable to read file");
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let key = generate_key(password);
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// Chiffrement du contenu avec AES
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let iv = GenericArray::<u8, U16>::from_slice(&key[0..16]); // Vecteur d'initialisation (IV)
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// Créer un GenericArray pour la clé
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let key_array = GenericArray::from_slice(&key); // Convertir la clé en GenericArray
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let cipher = Aes128Cbc::new(Aes128::new(&key_array), iv);
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let encrypted_data = cipher.encrypt_vec(&file_content);
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// Écrire le fichier chiffré
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let encrypted_file_path = format!("{}.encrypted", file_path);
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let mut output_file = File::create(&encrypted_file_path).unwrap();
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output_file.write_all(&encrypted_data).unwrap();
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// Écrire la clé dans un fichier .redrose
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let key_file_path = format!("{}.redrose", file_path);
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let mut key_file = File::create(&key_file_path).unwrap();
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key_file.write_all(&key).unwrap();
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println!("File encrypted as {} and key saved as {}", encrypted_file_path, key_file_path);
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}
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fn decrypt_file(encrypted_file_path: &str, key_file_path: &str) {
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let encrypted_data = fs::read(encrypted_file_path).expect("Unable to read encrypted file");
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// Lire la clé depuis le fichier .redrose
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let key = fs::read(key_file_path).expect("Unable to read key file");
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// Déchiffrement du contenu chiffré avec AES
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let iv = GenericArray::<u8, U16>::from_slice(&key[0..16]); // Vecteur d'initialisation (IV)
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// Créer un GenericArray pour la clé
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let key_array = GenericArray::from_slice(&key); // Convertir la clé en GenericArray
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let cipher = Aes128Cbc::new(Aes128::new(&key_array), iv);
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let decrypted_data = cipher.decrypt_vec(&encrypted_data).expect("Decryption failed");
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// Écrire le fichier reconstruit
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let reconstructed_file_path = format!("{}.reconstructed", encrypted_file_path);
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let mut output_file = File::create(&reconstructed_file_path).unwrap();
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output_file.write_all(&decrypted_data).unwrap();
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println!("File decrypted and saved as {}", reconstructed_file_path);
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}
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fn generate_key(password: &str) -> Vec<u8> {
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// Générer une clé basée sur le mot de passe (simple hash pour cet exemple)
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let mut key = vec![0u8; 16];
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for (i, byte) in password.bytes().enumerate() {
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key[i % 16] ^= byte; // Simple XOR pour la démonstration
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}
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key
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}

test/reconstruit.txt

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La belle maison dans le verger

test/redrosetest.txt.redrose

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test/test.txt

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La belle maison dans le verger

test/test.txt.encrypted

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)A֢=����ݎG!b,���B#3V5*ܾ

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