Uploaded Day 3 Files

sha1_cracker/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "sha1_cracker"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+sha-1 = "0.10"
+hex = "0.4"

sha1_cracker/src/main.rs

@@ -0,0 +1,40 @@
+use sha1::Digest;
+use std::{
+    env,
+    error::Error,
+    fs::File, 
+    io::{BufRead, BufReader},
+};
+
+const SHA1_HEX_STRING_LENGTH: usize = 40;
+
+fn main() -> Result<(), Box<dyn Error>> {
+    let args: Vec<String> = env::args().collect();
+
+    if args.len() != 3{
+        println!("Usage:");
+        println!("sha1_cracker: <wordlist.txt> <sha1_hash>");
+        return Ok(());
+    }
+
+    let hash_to_crack = args[2].trim();
+    if hash_to_crack.len() != SHA1_HEX_STRING_LENGTH {
+        return Err("sha1 hash is not valid".into());
+    }
+
+    let wordlist_file = File::open(&args[1])?;
+    let reader = BufReader::new(&wordlist_file);
+
+    for line in reader.lines() {
+        let line = line?;
+        let common_password = line.trim();
+        if hash_to_crack == &hex::encode(sha1::Sha1::digest(common_password.as_bytes())) {
+            println!("Password found: {}", &common_password);
+            return Ok(());
+        }
+    }
+
+    println!("password not found in wordlist :(");
+
+    Ok(())
+}