Implement challenge 31 to recover HMAC-SHA1 via timing attack

src/main.rs

@@ -1,3 +1,10 @@
+#![warn(clippy::pedantic)]
+#![allow(clippy::cast_precision_loss)]
+#![allow(clippy::items_after_statements)]
+#![allow(clippy::many_single_char_names)]
+#![allow(clippy::module_name_repetitions)]
+#![allow(clippy::cast_possible_truncation)]
+#![allow(clippy::unnested_or_patterns)]
 mod bytes;
 mod bytes_base64;
 mod cbc;
@@ -15,7 +22,7 @@ mod sha1;
 mod utils;
 
 fn main() {
-    const RUN_ALL: bool = true;
+    const RUN_ALL: bool = false;
     if RUN_ALL {
         set1::challenge1();
         set1::challenge2();