martani

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

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

namespace codebook

martani

static List<string> SplitTextWithKeyLen(string text, int keyLen)
{
     List<string> result = new List<string>();
     StringBuilder[] sb = new StringBuilder[keyLen];

     for (int i = 0; i < keyLen; i++)
         sb[i] = new StringBuilder();

     for (int i = 0; i < text.Length; i++)
         sb[i % keyLen].Append(text[i]);

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

static string DecipherVeginere(string text, string key)
{
    StringBuilder result = new StringBuilder();
    int keyLength = key.Length;
    int diff;
    char decoded;

    for (int i = 0; i < text.Length; i++)
    {
        diff = text[i] - key[i%keyLength];

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

$ ./time 
Call to nsleep(970000) took 970149
Call to usleep(970000) took 970143
Call to sleep(1) took 1000154

$ ./time 
Call to nsleep(970000) took 970105
Call to usleep(970000) took 970169
Call to sleep(1) took 1000142

martani

void gettimeofday_benchmark()
{
	int i;
	struct timespec tv_start, tv_end;
        struct timeval tv_tmp;
        int count = 1 * 1000 * 1000 * 50;
        clockid_t clockid;
        
        int rv = clock_getcpuclockid(0, &clockid);

martani

let a = 14

List.fold_left a i

martani

qdfsdf

martani

/*
 * pollard-rho.c
 *  Created on: Dec 20, 2011
 *      Author: martani
 */

#include <stdlib.h>
#include <stdio.h>
#include <gmp.h>