cryptocol 0.19.8

A cryptographic library that includes big number arithmetic operations, hash algorithms, symmetric-key cryptographic encryption/decryption algorithms, asymmetric-key (public-key) cryptographic encryption/decryption algorithms, pseudo random number generators, etc. Hash algorithms includes MD4, MD5, SHA224, SHA256, SHA384, SHA512, SHA3, etc. Symmetric key encryption algorithms include DES, AES, etc. Public key encryption algorithms include RSA, ECC, etc.
Documentation 
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// Copyright 2025 PARK Youngho.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your option.
// This file may not be copied, modified, or distributed
// except according to those terms.


#![allow(missing_docs)]
// #![allow(unused_must_use)]
// #![allow(dead_code)]
// #![allow(unused_variables)]
// #![warn(rustdoc::missing_doc_code_examples)]


/// SmallCryptor<u128, 16> and SmallCryptor<u64, 8> are the traits for the
/// components for BigCryptor128 and BigCryptor64, respectively.
pub trait SmallCryptor<T, const N: usize>
{
    fn move_to_next_key(&mut self);
    fn encrypt_unit(&mut self, message: T) -> T;
    fn decrypt_unit(&mut self, cipher: T) -> T;
    fn turn_inverse(&mut self);
    fn turn_encryptor(&mut self);
    fn turn_decryptor(&mut self);
    // fn clone_cryptor(&self) -> Self;
}

pub trait SmallCryptor64: SmallCryptor<u64, 8> {}
pub trait SmallCryptor128: SmallCryptor<u128, 16> {}