dfischer’s gists

dfischer / mcaffee.py

Created September 18, 2021 17:56 — forked from ignis-sec/mcaffee.py

McAffee's weird XOR stuff (https://twitter.com/officialmcafee/status/1397568860082122752)

	#https://twitter.com/officialmcafee/status/1397568860082122752
	#https://twitter.com/ahakcil/status/1397888724936105987

	import random
	import copy

	RST = '\033[0m'

	def rand_data(size):
	d = []

dfischer / MergeNodeAlgorithm.hpp

Created September 18, 2021 15:15 — forked from vy/MergeNodeAlgorithm.hpp

Merging Two Binary Search Trees in O(logn) Space

	#ifndef MERGE_NODE_ALGORITHM_HPP
	#define MERGE_NODE_ALGORITHM_HPP


	template <class T>
	class MergeNodeAlgorithm {
	public:
	virtual bool empty() const = 0;
	virtual void pop() = 0;
	virtual T get() const = 0;

dfischer / 0_tweegeemee.txt

Created August 21, 2021 16:06 — forked from rogerallen/0_tweegeemee.txt

tweegeemee archive 10/19/2019

	Archive of the code for images posted to https://twitter.com/tweegeemee

	Started October 19, 2019

	:clisk-random-seed 191019

	Learn more at https://github.com/rogerallen/tweegeemee

dfischer / carl_hewitt_actor_model.md

Created March 31, 2021 23:03 — forked from rbishop/carl_hewitt_actor_model.md

Notes from Carl Hewitt on the Actor Model

Actor - Fundamental unit of computation, a computation model - not just a form of concurrency

An Actor has three essential elements:

dfischer / octal_x86.txt

Created March 21, 2021 04:08 — forked from seanjensengrey/octal_x86.txt

x86 is an octal machine

	# source:http://reocities.com/SiliconValley/heights/7052/opcode.txt
	From: [email protected] (Mark Hopkins)
	Newsgroups: alt.lang.asm
	Subject: A Summary of the 80486 Opcodes and Instructions

	(1) The 80x86 is an Octal Machine
	This is a follow-up and revision of an article posted in alt.lang.asm on
	7-5-92 concerning the 80x86 instruction encoding.

	The only proper way to understand 80x86 coding is to realize that ALL 80x86

dfischer / coinswap.txt

Created March 19, 2021 23:40 — forked from adlai/coinswap.txt

Adapting CoinSwap for a Fungibility Market

	In the protocol all parties are assumed to have private communications channels.

	Phase 0. Sets up the escrows and their timeout refunds.
	Phase 1. Makes it so that if Bob gets paid there is no way for Alice to fail to get paid.
	Phase 2. Just releases the escrows directly because everyone is happy that cheating isn't possible.

	Alice Bob
	=========================================================
	0. Compute TX_0: A>2of2{A,B'} \| Compute TX_1: B>2of2{B,A'} \
	1. Send TX_0 TXID ------------> \|

dfischer / null.py

Created March 10, 2021 17:50 — forked from kernc/null.py

Null object pattern (Python)

	"""
	This module provides the Null class for the null object design pattern.
	"""

	from collections import MutableMapping, MutableSequence

	class _MetaNull(type): pass

	class Null(type):
	"""Null object design pattern.

dfischer / lbForth.c

Created February 8, 2021 13:38 — forked from lbruder/lbForth.c

A minimal Forth compiler in ANSI C

	/*******************************************************************************
	*
	* A minimal Forth compiler in C
	* By Leif Bruder <leifbruder@gmail.com> http://defineanswer42.wordpress.com
	* Release 2014-04-04
	*
	* Based on Richard W.M. Jones' excellent Jonesforth sources/tutorial
	*
	* PUBLIC DOMAIN
	*

dfischer / SIMPL_MSP430ASM_6

Created February 6, 2021 09:19 — forked from monsonite/SIMPL_MSP430ASM_6

SIMPL - a tiny forth like language implemented in under 900 bytes of MSP430 Assembly Language (For MSP430G2553 Launchpad)

	;-------------------------------------------------------------------------------
	; SIMPL - a very small Forth Inspired Extensible Language
	; Implementing the Initialisation, TextTead, TextEval and UART routines in MSP430 assembly language
	;
	; A Forth-Like Language in under 1024 bytes

	; Ken Boak May 22nd/23rd 2017
	; Loops, I/O, Strings and Delays added
	; This version 888 bytes
	; SIMPL_430ASM_6

dfischer / TinyForth.asm

Created February 6, 2021 09:18 — forked from anonymous/TinyForth.asm

A Tiny Implementation of forth in AVR assebly language by T. Nakagawa - assembles to about 1800 bytes

	; Tiny FORTH
	; T. NAKAGAWA
	; 2004/08/02-05
	; Register
	; r0: temporary
	; r1-15: input buffer (terminated by 0x00, separated by 0x20)
	; r16: temporary
	; r17: temporary
	; r18: temporary
	; r19: temporary

0x44 0x46 dfischer