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"712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..079fa71 --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,12 @@ +[package] +name = "zerowidthhashes" +version = "0.1.0" +authors = ["edensg "] +edition = "2018" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] +crypto-hash = "0.3.4" +num_cpus = "1.11.0" +hex = "0.4.0" diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..cc101da --- /dev/null +++ b/src/main.rs @@ -0,0 +1,79 @@ +extern crate crypto_hash; +extern crate hex; +extern crate num_cpus; + +use crypto_hash::{hex_digest, Algorithm}; +use std::sync::mpsc::{self, TryRecvError}; +use std::thread; + +fn main() { + let target = "01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b"; + let core_count = num_cpus::get() as u32; + let increment: u32 = 0xffffffff / core_count; + let mut threads = Vec::new(); + for thread_index in 0..core_count { + let (tx, rx) = mpsc::channel(); + threads.push(( + thread::spawn(move || { + println!( + "Spawned thread #{:?} with characters {:?} through {:?}\ntarget is {:?}", + thread_index, + increment * thread_index, + increment * (thread_index + 1), + target + ); + for x in increment * thread_index..increment * (thread_index + 1) { + match rx.try_recv() { + Ok(_) | Err(TryRecvError::Disconnected) => { + println!("Terminating."); + break; + } + Err(TryRecvError::Empty) => {} + } + let byte_vec = trim_bytes(x); + let hash = hex_digest(Algorithm::SHA256, byte_vec.as_slice()); + if hash == target { + println!( + "{:?} - {:?}", + hex::encode(x.to_be_bytes()), + hex_digest(Algorithm::SHA256, trim_bytes(x).as_slice()) + ); + break; + } + } + }), + tx, + )); + } + loop { + for thread in threads { + match thread.1.try_recv() { + Ok(_) => { + for thread in threads { + + break; + } + } + Err(_) => {} + } + } + is_first_loop = false; + } +} + +fn trim_bytes<'a>(x: u32) -> Vec { + let full_byte_array = x.to_be_bytes(); + let mut v: Vec = Vec::new(); + let mut has_encountered_value = false; + for byte in &full_byte_array { + if has_encountered_value { + v.push(*byte); + } else { + if *byte != 0u8 { + v.push(*byte); + has_encountered_value = true; + } + } + } + v +}