eliezio

package com.riocard.exemplos;

import javax.smartcardio.*;
import java.util.List;

public class TestaRC700 {

    private static final int         WAIT_FOR_CARD_TIMEOUT = 30000;
    private static final int         CLA_MIFARE            = 0xFF;
    private static final int         INS_GET_DATA          = 0xCA;

eliezio

int readString(char *buffer, int max_len, int terminator)
{
  int pos = 0;

  while (true) {
    if (Serial.available() > 0) {
      int readch = Serial.read();
      if (readch == terminator) {
        buffer[pos] = '\0';
        break;

eliezio

--- /opt/Qt/5.4/gcc_64/mkspecs/common/g++-base.conf~    2015-02-17 08:17:22.000000000 -0200
+++ /opt/Qt/5.4/gcc_64/mkspecs/common/g++-base.conf     2015-05-25 15:15:06.293300241 -0300
@@ -31,5 +31,5 @@
 QMAKE_CXXFLAGS_PRECOMPILE     = -x c++-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
 QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
 
-QMAKE_CXXFLAGS_CXX11    = -std=c++0x
+QMAKE_CXXFLAGS_CXX11    = -std=c++1y
 QMAKE_LFLAGS_CXX11      =

eliezio

/**
 * Artifício para evitar que o CLA do comando seja adulterado pela ChannelImpl.setChannel().
 * Thanks Bruno Jesus!
 * <p/>
 * Vide: http://www.java2s.com/Open-Source/Java/6.0-JDK-Modules-sun/security/sun/security/smartcardio/ChannelImpl.java.htm
 *
 * @param channel Canal
 * @param cla     CLA do comando
 */

eliezio

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

static void reverseBytes (char *bytes, int length) {
    int left = 0;
    int right = length - 1;

    while (left < right) {
        char t = bytes[left];

eliezio

#!/bin/bash

if [ $BASH_VERSINFO -lt 4 ]; then
    echo "*** ERROR: Requires Bash version 4 or newer"
    exit 1
fi

SCRIPTS_DIR=$(dirname $0)
RESOURCES_DIR=$(realpath $SCRIPTS_DIR/../resources)
RSA_PEM=$RESOURCES_DIR/rsa.pem

eliezio

function hex2bin() {
    local data=$1
    echo -n $data | xxd -r -ps
}

function bin2hex() {
    xxd -ps -c1024
}

function to_ascii() {

eliezio

Keybase proof

I hereby claim:

• I am eliezio on github.
• I am elieziob (https://keybase.io/elieziob) on keybase.
• I have a public key ASDuNatsnfwoACg-S0pIvHX-KyDeQrABI_Fbppxca4Bu8Qo

To claim this, I am signing this object:

eliezio

import spock.lang.Specification
import spock.lang.Unroll

class UtilsSpec extends Specification {

    @Unroll
    def 'flat collection of integers: #list'() {

        expect:
            Utils.flatIntegers(list) == expectedResult

eliezio

import java.util.*;

public final class Utils {

    public static List<Integer> flatIntegers(Collection col) {
        if (col == null) {
            throw new IllegalArgumentException("Collection cannot be null");
        }
        List<Integer> result = new ArrayList<>();
        Deque<Iterator> queue = new ArrayDeque<>();