cryptocol 0.19.10

A cryptographic library that includes big number arithmetic operations, hash algorithms, symmetric-key encryption/decryption algorithms, asymmetric-key (public-key) 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 2024, 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.


use crate::random::{ PRNG_Engine, CPRNG_Engine_Generic, SALT };


impl<const MULTIPLIER: u64, const ADDER: u64>
PRNG_Engine for CPRNG_Engine_Generic<MULTIPLIER, ADDER>
{
    fn sow_array(&mut self, _: &[u64; 8], _: &[u64; 8])
    {
    }

    fn harvest(&mut self, count: u64, message: &[u64; 8]) -> [u64; 8]
    {
        let mut any_numbers = [0_u64; 8];
        let salt = if count == 0 {SALT} else {0};
        for i in 0..8
        {
            any_numbers[i] = message[i].wrapping_add(salt)
                                        .wrapping_mul(MULTIPLIER)
                                        .wrapping_add(ADDER)
                                        ^ salt;
        }
        any_numbers
    }
}