@RandyMcMillan RandyMcMillan

🛰️

Those who know - do not speak of it.

Operations Specialist @usnavy E616FA7221A1613E5B99206297966C06 BB06757B

RandyMcMillan / byz_cascading_quorum_v2.rs

Last active March 1, 2026 17:03 — forked from rust-play/playground.rs

byz_cascading_quorum_v2.rs

	#![allow(deprecated)]

	use chrono::{DateTime, Duration, /Local, /Timelike, Utc};
	use num_bigint::BigUint;
	use rand_0_8_5::{thread_rng as rng_legacy, Rng as RngLegacy};
	use rand_0_9_2::{thread_rng as rng_latest, Rng as RngLatest};
	use sha2::{Digest, Sha256};

	// --- GIT-COMPLIANT SHA-1 ENGINE ---
	fn git_sha1(data: &[u8]) -> String {

RandyMcMillan / det_rng_macro.rs

Created March 1, 2026 15:07 — forked from rust-play/playground.rs

det_rng_macro.rs

	//! # Cryptographic Playground V2 - Seeded Edition
	//! Demonstrates using recursive macros to generate entropy seeds for
	//! deterministic RNG initialization while handling complex token trees.

	#![allow(deprecated)]
	#![allow(unused_attributes)]
	#![allow(dead_code)]

	use rand_0_8_5::{SeedableRng as SeedableLegacy, Rng as RngLegacy};
	use rand_0_9_2::{SeedableRng as SeedableLatest, Rng as RngLatest};

RandyMcMillan / byz_cascading_quorum.rs

Last active March 1, 2026 03:00 — forked from rust-play/playground.rs

byz_cascading_quorum.rs

	use chrono::{DateTime, Duration, Utc, Timelike};
	use sha2::{Sha256, Digest};

	// --- GIT-COMPLIANT SHA-1 ENGINE ---
	fn git_sha1(data: &[u8]) -> String {
	let mut h0: u32 = 0x67452301; let mut h1: u32 = 0xEFCDAB89;
	let mut h2: u32 = 0x98BADCFE; let mut h3: u32 = 0x10325476;
	let mut h4: u32 = 0xC3D2E1F0;
	let mut padded = data.to_vec();
	let bit_len = (padded.len() as u64) * 8;

RandyMcMillan / no_std.rs

Last active February 26, 2026 00:29 — forked from rust-play/playground.rs

no_std.rs

	#![allow(unexpected_cfgs)]
	#![allow(deprecated)]

	// --- SECTION 1: NIGHTLY (no_std + Allocator) ---
	#[cfg(nightly)]
	mod nightly_impl {
	#![feature(alloc_error_handler)]
	#![no_std]
	#![no_main]

RandyMcMillan / jitter_to_kernel.rs

Last active February 25, 2026 23:53 — forked from rust-play/playground.rs

jitter_to_kernel.rs

	use std::fs::OpenOptions;
	use std::os::unix::io::AsRawFd;
	use std::time::Instant;
	use sha2::{Sha256, Digest};
	use libc::{ioctl, c_int};

	// Linux ioctl structure for entropy injection
	#[repr(C)]
	struct RandPoolInfo {
	entropy_count: c_int, // Bits of entropy (not bytes)

RandyMcMillan / entropy_payload.rs

Last active February 25, 2026 16:26 — forked from rust-play/playground.rs

entropy_payload.rs

	#![allow(deprecated)]

	use serde::{Serialize, Deserialize};
	use serde_json;
	use sha2::{Sha256, Digest};
	use rand_0_8_5::{thread_rng as rng_legacy, Rng as RngLegacy};
	use rand_0_9_2::{thread_rng as rng_latest, Rng as RngLatest};
	use chrono::Local;

	#[derive(Serialize, Deserialize, Debug)]

RandyMcMillan / utc_consensus.rs

Last active February 22, 2026 22:26 — forked from rust-play/playground.rs

utc_consensus.rs

	use chrono::{DateTime, Duration, Utc};

	#[derive(Debug, Clone, Copy)]
	pub struct Estimation {
	pub d: f64, // Difference in seconds
	pub a: f64, // Uncertainty
	}

	pub fn estimate_offset(s: DateTime<Utc>, r: DateTime<Utc>, c: DateTime<Utc>) -> Estimation {
	// d = c - (r + s) / 2

RandyMcMillan / byz_time.rs

Last active February 22, 2026 22:29 — forked from rust-play/playground.rs

byz_time.ra

	use std::time::Instant;

	#[derive(Debug, Clone, Copy)]
	pub struct Estimation {
	pub d: f64,
	pub a: f64,
	}

	pub fn estimate_offset(s: f64, r: f64, c: f64) -> Estimation {
	Estimation {

RandyMcMillan / compute_softmax_attention.rs

Last active February 19, 2026 23:41 — forked from rust-play/playground.rs

compute_softmax_attention.rs

	use nalgebra::{DMatrix, DVector};
	// Import the Rng trait so that .gen() is available on thread_rng()
	use rand_0_8_5::Rng;

	/// 1. Computes standard Softmax Attention Y
	fn compute_softmax_attention(q: &DMatrix<f64>, k: &DMatrix<f64>, v: &DMatrix<f64>) -> DMatrix<f64> {
	let mut scores = q * k.transpose();

	for i in 0..scores.nrows() {
	let mut row = scores.row_mut(i);

RandyMcMillan / nonce_gaps.rs

Last active February 18, 2026 13:15 — forked from rust-play/playground.rs

nonce_gaps.rs