Changes according the latest Rust nightly.

[crypto_lab1.git] / lab1_rust / src / main.rs

diff --git a/lab1_rust/src/main.rs b/lab1_rust/src/main.rs
index 0b14951..2e15908 100644 (file)
--- a/lab1_rust/src/main.rs
+++ b/lab1_rust/src/main.rs
@@ -8,6 +8,7 @@ use std::os;
 
 use end_point::{ Client, Server };
 
+mod utils;
 mod crypto;
 mod packet;
 mod end_point;
@@ -15,6 +16,31 @@ mod oracle_machine;
 
 const PORT: u16 = 4221;
 
+fn do_oracle_attack(address: &str, variant: packet::Variant) {
+   // 16 bytes encrypted data from 'Packet::random_packet_data([4])'.
+   let cipher_block = [191, 192, 149, 84, 202, 163, 109, 230, 173, 249, 170, 248, 83, 60, 228, 111]; // Known by the attacker.
+   let xor_operand = [213, 29, 217, 187, 93, 103, 76, 129, 233, 142, 98, 83, 69, 50, 97, 91]; // This is the IV or the previous 16 bytes cipherblock. In our case we took the previous block.
+   let expected_plain_block = [242, 93, 12, 22, 8, 164, 4, 77, 200, 120, 189, 71, 75, 189, 2, 2]; // To be found by the attacker.
+
+   /* Another sample with an IV instead of a previous block.
+   let cipher_block: [u8, ..16] = [254, 9, 228, 149, 60, 42, 165, 34, 233, 75, 112, 57, 37, 9, 116, 103];
+   let xor_operand: [u8, ..16] = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3]; IV.
+   let expected_plain_block: [u8, ..16] = [44, 92, 31, 98, 220, 84, 226, 53, 58, 94, 45, 25, 242, 6, 199, 1];
+   */
+
+   match oracle_machine::decipher(address, PORT, &xor_operand, &cipher_block, variant) {
+      Some(ref deciphered) if deciphered.as_slice() == expected_plain_block => {
+         println!("The oracle machine has found the plain block!:");
+         println!("   Expected block: {}", expected_plain_block.to_vec());
+         println!("   Decrypted block: {}", deciphered)
+      }
+      Some(ref other) =>
+         println!("The oracle machine hasn't found the plain block: {}", other),
+      _ =>
+         println!("The oracle machine hasn't found the plain block"),
+   }
+}
+
 fn print_usage() {
    println!(
       r"{} [genkey | tests | oracle-weak | oracle-fixed]
@@ -26,26 +52,6 @@ fn print_usage() {
    );
 }
 
-fn do_oracle_attack(address: &str, variant: packet::Variant) {
-   // 16 bytes encrypted data from 'Packet::random_packet_data([4])'.
-   let cypher_block: [u8, ..16] = [254, 9, 228, 149, 60, 42, 165, 34, 233, 75, 112, 57, 37, 9, 116, 103]; // Known by the attacker.
-   let xor_operand: [u8, ..16] = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3]; // This is the IV or the previous 16 bytes cypherblock. In our case we took the IV.
-
-   let expected_clear_block: [u8, ..16] = [44, 92, 31, 98, 220, 84, 226, 53, 58, 94, 45, 25, 242, 6, 199, 1]; // To be found by the attacker.
-
-   match oracle_machine::decypher(address, PORT, &xor_operand, &cypher_block, variant) {
-      Some(ref decyphered) if decyphered.as_slice() == expected_clear_block => {
-         println!("The oracle machine has found the clear block!:");
-         println!("   Expected block: {}", expected_clear_block.to_vec());
-         println!("   Decrypted block: {}", decyphered)
-      }
-      Some(ref other) =>
-         println!("The oracle machine hasn't found the clear block: {}", other),
-      _ =>
-         println!("The oracle machine hasn't found the clear block"),
-   }
-}
-
 enum Mode {
    Help,
    ServerAlone,
@@ -59,18 +65,18 @@ fn mode() -> Mode {
    let args = os::args();
 
    if args.iter().any(|a| a.as_slice() == "--help" || a.as_slice() == "-h") {
-      return Help
+      return Mode::Help
    }
 
    if args.len() <= 1 {
-      ServerAlone
+      Mode::ServerAlone
    } else {
       match args[1].as_slice() {
-         "genkey" => GenKey,
-         "tests" => Tests,
-         "oracle-weak" => OracleWeak,
-         "oracle-fixed" => OracleFixed,
-         _ => ServerAlone,
+         "genkey" => Mode::GenKey,
+         "tests" => Mode::Tests,
+         "oracle-weak" => Mode::OracleWeak,
+         "oracle-fixed" => Mode::OracleFixed,
+         _ => Mode::ServerAlone,
       }
    }
 }
@@ -79,8 +85,8 @@ fn main() {
    let mode = mode();
 
    match mode {
-      Help => print_usage(),
-      GenKey =>
+      Mode::Help => print_usage(),
+      Mode::GenKey =>
          match crypto::generate_key(256 / 8) {
             Ok(key) => println!("key: {}", key),
             Err(e) => println!("Unable to generate a key. Error: {}", e)
@@ -89,14 +95,14 @@ fn main() {
          let address = "::1";
          println!("Starting server on [{}]:{}...", address, PORT);
 
-         match Server::new(address, PORT, match mode { OracleFixed => packet::Fixed, _ => packet::Weak }) {
+         match Server::new(address, PORT, match mode { Mode::OracleFixed => packet::Variant::Fixed, _ => packet::Variant::Weak }) {
             Ok(mut server) => {
                println!("Server started");
 
                match mode {
-                  Tests => Client::start_tests(address, PORT, packet::Weak),
-                  OracleWeak => do_oracle_attack(address, packet::Weak),
-                  OracleFixed => do_oracle_attack(address, packet::Fixed),
+                  Mode::Tests => Client::start_tests(address, PORT, packet::Variant::Weak),
+                  Mode::OracleWeak => do_oracle_attack(address, packet::Variant::Weak),
+                  Mode::OracleFixed => do_oracle_attack(address, packet::Variant::Fixed),
                   _ => {
                      println!("Press any key to quit");
                      io::stdin().read_line().ok().expect("Failed to read line");