X-Git-Url: http://git.euphorik.ch/?a=blobdiff_plain;f=lab1_rust%2Fsrc%2Fmain.rs;h=ea511beaa6ed4b49aa20088f1ad8c5c2ea5a3cf9;hb=4e2d63f98c464119e7b475a8f981b99d991c3727;hp=de93150d0623e2444677e8963984f53f919f6620;hpb=d3d8743586e533af4f32c1edfcff6377161d7cf4;p=crypto_lab1.git

diff --git a/lab1_rust/src/main.rs b/lab1_rust/src/main.rs
index de93150..ea511be 100644
--- a/lab1_rust/src/main.rs
+++ b/lab1_rust/src/main.rs
@@ -17,15 +17,20 @@ 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: [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 cipherblock. In our case we took the IV.
+   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.
 
-   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.
+   /* 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_clear_block => {
+      Some(ref deciphered) if deciphered.as_slice() == expected_plain_block => {
          println!("The oracle machine has found the clear block!:");
-         println!("   Expected block: {}", expected_clear_block.to_vec());
+         println!("   Expected block: {}", expected_plain_block.to_vec());
          println!("   Decrypted block: {}", deciphered)
       }
       Some(ref other) =>
@@ -35,6 +40,17 @@ fn do_oracle_attack(address: &str, variant: packet::Variant) {
    }
 }
 
+fn print_usage() {
+   println!(
+      r"{} [genkey | tests | oracle-weak | oracle-fixed]
+   genkey: Generate a 256 bits key
+   tests: launch some tests between a client and a weak server
+   oracle-weak: launch a padding oracle attack against a weak server
+   oracle-fixed: launch a padding oracle attack against a fixed server",
+      os::args()[0]
+   );
+}
+
 enum Mode {
    Help,
    ServerAlone,
@@ -64,17 +80,6 @@ fn mode() -> Mode {
    }
 }
 
-fn print_usage() {
-   println!(
-      r"{} [genkey | tests | oracle-weak | oracle-fixed]
-   genkey: Generate a 256 bits key
-   tests: launch some tests between a client and a weak server
-   oracle-weak: launch a padding oracle attack against a weak server
-   oracle-fixed: launch a padding oracle attack against a fixed server",
-      os::args()[0]
-   );
-}
-
 fn main() {
    let mode = mode();