anothertls 0.1.3

Yet another TLS implementation, but written from scratch (including the crypto) in pure Rust - of course.
Documentation 
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/*
 * Copyright (c) 2023, Tobias Müller <git@tsmr.eu>
 *
 */

pub mod sha256;
pub mod sha384;
pub mod hkdf;
pub mod hmac;

pub use sha256::sha256;
pub use sha256::Sha256;
pub use sha384::sha384;
pub use sha384::Sha384;


#[derive(Debug, Clone, Copy, PartialEq)]
pub enum HashType {
    SHA256 = 32,
    SHA384 = 48
}

pub trait TranscriptHash {
    fn new() -> Self where Self: Sized;
    fn update(&mut self, buf: &[u8]);
    // finalize is not mutable and creates an copy of it self
    // the benefit is, that other functions doesn't have to clone
    // it before finalizing it
    fn finalize(&self) -> Vec<u8>;
    fn get_type(&self) -> HashType;
    fn clone(&self) -> Box<dyn TranscriptHash>;
}


pub fn sha_x(typ: HashType, data: &[u8]) -> Vec<u8> {
    match typ {
        HashType::SHA256 => sha256(data).to_vec(),
        HashType::SHA384 => sha384(data).to_vec()
    }
}