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SHA256 with the sha2 Crate

Compute a SHA256 hex digest with the sha2 crate.

Author: chris

// Language: Rust

// Cargo.toml: sha2 = "0.10"
use sha2::{Digest, Sha256};

fn main() {
    let mut h = Sha256::new();
    h.update(b"hello world");
    println!("{:x}", h.finalize());
}