ruts-random.rs

use sha2::{Digest, Sha256};
use std::path::{Path, PathBuf};

fn hash(data: String) -> [u8; 32] {
    let mut hasher = Sha256::new();
    hasher.update(data.as_bytes());
    let r: [u8; 32] = hasher
        .finalize()
        .as_slice()
        .try_into()
        .expect("Wrong Length");
    return r;
}

fn main() {
    // let hashvalue = sha2::Sha256::digest(&[3, 2, 6, 4, 3]);
    // let x: [u8; 32] = hashvalue.as_slice().try_into().expect("Wrong length");
    // println!("{:?}", x);

    // let mut k = PathBuf::new();
    // k.push("/home/test.jpg");
    // let f = k.file_name().unwrap();

    // let s: &str = f.to_str().unwrap();
    // println!("{}", s);

    let mut k = PathBuf::new();
    k.push("/home/test.jpg");


    let filename = k.file_name().unwrap();
    let hv = hash(filename.to_str().unwrap().to_owned());
    println!("{:?}", hv);
    println!("{}", hv[0]);
}