odzhan

/**
    windiag.dll has support for executing Lua bytecode. At the time of writing, there's only one DLL that uses windiag.dll to execute Lua code and that's the Windows Hardware Error Service (whesvc.dll).
    The Lua byte code itself is located in the resource directory of whesvc_assets.dll
    You need to decompress the data before actually obtaining the byte code, but this is simply done via cabinet compression API.
    
    cl /EHsc /std:c++20 dump_lua.cpp
    
*/

#ifndef _WIN32_WINNT

odzhan

#ifndef SHA256_H
#define SHA256_H

#define R(v,n)(((v)>>(n))|((v)<<(32-(n))))
#define F(n)for(i=0;i<n;i++)

#ifdef _MSC_VER
#include <intrin.h>
#define rev32(x) _byteswap_ulong(x)

odzhan

/**
    Compile with your C console project.
*/
#include <stdio.h>
#include <windows.h>

#define __UNKNOWN_APP    0
#define __CONSOLE_APP    1
#define __GUI_APP        2

odzhan

//#include "x64/Debug/mscorlib.tlh"
#import "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorlib.tlb"   rename("or", "or2") rename("ReportEvent", "ReportEvent2") no_namespace raw_interfaces_only
#include <iostream>
#define __IObjectHandle_INTERFACE_DEFINED__
#include <MScorEE.h>
#include <MetaHost.h>
#include <shlwapi.h>
#include <vector>
#include <fstream>
#include "objbase.h"

odzhan

/*
** Demo Public Key OpenSSL Echo Client
**
** Connects to an PK Echo Server. Generates RSA Key and
** sends encoded public key to server.  Response is a
** session key encoded with the public key.  Sends client 
** request, encoded with session key, consisting of 
** header and text to be echo'd between lines 'BEGIN'
** and 'END' (inclusive).  Reads server response, also
** encoded with session key, consisting of header and 

odzhan

/**
Find involutory exponents for a modulus like a Mersenne prime: 2^31-1
Uses brute force
Very fast for small numbers, very slow for anything more than 16-bits.

gcc -O2 find_exp.c -ofind_exp -lcrypto
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>

odzhan

#!/usr/bin/env python3
"""
Affine Permutation File Encoder/Decoder

This script allows you to encode and decode files using an Affine Permutation.
It uses command-line arguments to specify the operation mode (encode or decode), input file, and output file.
Additionally, it stores a SHA256 hash of the original data to verify successful decoding.

Usage:
    To encode a file:

odzhan

/**
LCG output...
lcg(1) : 40B2947B
lcg(2) : 73718F14
lcg(3) : 6203F04B
lcg(4) : 1BB91A70
lcg(5) : 0CFC23E0

ICG output...
icg(5) : 0CFC23E0

odzhan

//
// FEAL-8 Block Cipher
//

#include <stdio.h>
#include <stdint.h>

// Define the Sd function as per equation (7.6)
uint8_t Sd(uint8_t x, uint8_t y, uint8_t d) {

odzhan

/**
    ARADI and LLAMA: Low-Latency Cryptography for Memory Encryption
   
    Published in August 2024
    Only tested on little-endian CPU.
   
    For more details, see https://eprint.iacr.org/2024/1240
*/

#include <stdint.h>