1 files changed, 80 insertions, 0 deletions
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..bfed16b
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,80 @@
+mod iter;
+mod load_file;
+mod demo_hash;
+
+use num::BigInt;
+use num::bigint::Sign;
+
+fn vec_pop_cnt(v: &Vec<u8>) -> u32
+{
+    let mut cnt = 0;
+
+    for x in v
+    {
+        cnt += x.count_ones();
+    }
+
+    cnt
+}
+
+fn pop_cnt_vec(c: u32) -> Vec<u8>
+{
+    let mut v = Vec::new();
+    v.push(2u8.pow(c % 8) - 1);
+    for _ in 0..(c / 8)
+    {
+        v.push(0xff);
+    }
+
+    v
+}
+
+fn main()
+{
+    /* "Compression" setup */
+    let raw_file = load_file::load_file_vec(&"data.bin".to_owned()).unwrap();
+    let size = raw_file.len();
+    let popcnt = vec_pop_cnt(&raw_file);
+    let bi_file = BigInt::from_bytes_be(Sign::Plus, &raw_file);
+    let solution_hash = demo_hash::hash_bigint(size, &bi_file);
+
+    println!("Length: {}", size);
+    print!("SHA512: ");
+    demo_hash::show_hash(&solution_hash);
+    println!("popcnt: {}", popcnt);
+
+    /*
+    //           ,  ,
+    for _ in 0..1000000
+    {
+        bi = iter::next(&bi);
+    }
+
+    println!("{:x}", bi);
+    panic!("stopping after benchmark");
+    */
+
+    //panic!("Performing compress only");
+
+    /* "Decompression" loop */
+    let raw = pop_cnt_vec(popcnt);
+    let mut bi = BigInt::from_bytes_be(Sign::Plus, &raw);
+
+    loop
+    {
+        let iteration_hash = demo_hash::hash_bigint(size, &bi);
+        //println!("{:b}", bi);
+        //println!();
+
+        if iteration_hash == solution_hash
+        {
+            demo_hash::show_hash(&iteration_hash);
+            break;
+        }
+
+        bi = iter::next(&bi);
+    }
+
+    println!("Found hash (data follows)!!!");
+    println!("{:x}", bi);
+}