martani

<<intel i7 for all tests>>
N = 676292275716558246502605230897191366469551764092181362779759 (60 digits | 199 bits)
Time = 16.76 minutes (~ 17 hours on centralized version)

N = 1522666296953962938975648266957818297826962898780435311 (55 digits | 180 bits)
Time = 7.178  minutes

N = 5705979550618670446308578858542675373983 (40 digits | 133 bis)
Time = 5 seconds

martani

private static byte[] AES_Decrypt_block(byte[] cipherText, byte[] Key)
{
    // Declare the string used to hold the decrypted text. 
    byte[] output_buffer = new byte[cipherText.Length];

    using (AesManaged aesAlg = new AesManaged())
    {
        //If CBC, must initialize IV = O_{128}
        //aesAlg.Mode = CipherMode.CBC;
        //aesAlg.IV = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

martani

//Class implements ICBCOracle
public class OnlineCBCOracle : ICBCOracle
{
    public bool RequestOracle(byte[] cipher)
    {
	const string BASE_URL = "ORACLE_URL?er=";
	string urlData = Helpers.ConvertByteArrayToHexString(cipher);
	WebClient wc = new WebClient();
 
	try

martani

//The Oracle
ICBCOracle cbcOracle = new Oracles.OnlineCBCOracle();

//The attacker, passing the Oracle to constructor
PaddingOracleAttacker attacker = new PaddingOracleAttacker(cbcOracle);

//Prepare the ciphertext
string cipherHex = "f20bdba6ff29eed7b046d1df9fb7000058b1ffb4210a580f748";
byte[] cipher = Helpers.ConvertHexStringToByteArray(cipherHex);

martani

//Append this function to class Indexer.

template <typename Matrix>
void spliceToAB(Matrix& M, Matrix& A, Matrix& B) 
{
	typename Matrix::Row::const_iterator it;

    	// Splice M into two submatrices A and B, A contains pivot columns, B contains non pivot colums.

	uint32 curr_piv = 0;

martani

private static byte[] AES_Decrypt_block(byte[] cipherText, byte[] Key)
{
    // Declare the string used to hold the decrypted text. 
    byte[] output_buffer = new byte[cipherText.Length];

    using (AesManaged aesAlg = new AesManaged())
    {
        //If CBC, must initialize IV = O_{128}
        //aesAlg.Mode = CipherMode.CBC;
        //aesAlg.IV = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

martani

static Dictionary<char, double> AnalyseFrequency(string text)
{
    if (text == null)
        return null;

    Dictionary<char, double> frequencies = new Dictionary<char, double>();
    int textLength = text.Length;

    for (int i = 0; i < textLength; i++)
    {

martani

void nsleep(long us)
{
    struct timespec wait;
    //printf("Will sleep for is %ld\n", diff); //This will take extra ~70 microseconds
    
    wait.tv_sec = us / (1000 * 1000);
    wait.tv_nsec = (us % (1000 * 1000)) * 1000;
    nanosleep(&wait, NULL);
}

martani

// See: https://medium.com/@TwitterArchiveEraser/notarize-electron-apps-7a5f988406db

const fs = require('fs');
const path = require('path');
var electron_notarize = require('electron-notarize');

module.exports = async function (params) {
    // Only notarize the app on Mac OS only.
    if (process.platform !== 'darwin') {
        return;

martani

//MARTANI Fakhrou 2011
//Vigenere Decoder
//http://martani.net

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace codebook