Day21:Compute md5, sha256 and hmac - 100DayOfRust

[dependencies] rust-crypto = "^0.2" hex = "^0.4" 

use crypto::mac::Mac; use crypto::digest::Digest; use crypto::md5::Md5; use crypto::sha2::Sha256; use crypto::hmac::Hmac; use std::fs; fn main() { let content = fs::read_to_string("main.rs").unwrap(); let mut md5hasher = Md5::new(); md5hasher.input_str(&content); let hash = md5hasher.result_str(); println!("md5 is {}", hash); let mut sha2hasher = Sha256::new(); sha2hasher.input_str(&content); let hash = sha2hasher.result_str(); println!("sha256 is {}", hash); let mut hmacor = Hmac::new(Sha256::new(), "key".as_bytes()); hmacor.input("this is a string".as_bytes()); let hash = hmacor.result(); println!("hmac is {}", hex::encode(hash.code())); } 

md5 is 86f3786c855da3d6a5aa226a86a95f15 sha256 is e05e040cae828af17ab37b351e322dd31faaf7aee9eb8829e7a025fb0b5e3871 hmac is 64bf374b05b1611beecbd917c75954975384c022964e7b30d5501e6c4846a6ff