1 | #include "criptosistemas.h" |
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2 | #include "ui_criptosistemas.h" |
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3 | #include <QMessageBox> |
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4 | #include<QProgressDialog> |
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5 | |
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6 | #include <QTime> |
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7 | #include <QHash> |
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8 | #include <QCryptographicHash> |
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9 | #include <QFile> |
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10 | #include <QFileDialog> |
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11 | #include <QTextStream> |
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12 | #include <QDateTime> |
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13 | #include <QDebug> |
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14 | #include <iostream> |
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15 | #include <ctime> |
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16 | #include "polynomial.h" |
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17 | #include "executionresult.h" |
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18 | #include <crypto++/rsa.h> |
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19 | #include <crypto++/osrng.h> |
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20 | #include <crypto++/base64.h> |
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21 | #include <crypto++/files.h> |
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22 | #include <crypto++/salsa.h> |
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23 | |
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24 | const int iterations = 20; |
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25 | |
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26 | using namespace std; |
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27 | using namespace pol; |
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28 | using namespace CryptoPP; |
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29 | QString dir; |
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30 | |
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31 | CriptoSistemas::CriptoSistemas(QWidget *parent) : |
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32 | QMainWindow(parent), |
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33 | ui(new Ui::CriptoSistemas) |
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34 | { |
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35 | ui->setupUi(this); |
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36 | QFile ruta_priv; |
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37 | QFile ruta_publ; |
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38 | if ( ruta_priv.exists("keys/privkey.txt") && ruta_publ.exists("keys/pubkey.txt")) |
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39 | { |
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40 | ui->generarLlaves->setEnabled(false); |
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41 | ui->cifrar->setEnabled(true); |
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42 | ui->decifrar->setEnabled(true); |
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43 | connect(ui->cifrar,SIGNAL(clicked()),this,SLOT(CifrarArchivo())); |
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44 | connect(ui->decifrar, SIGNAL(clicked()), this, SLOT(DescifrarArchivo())); |
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45 | ui->progressBar->setVisible(false); |
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46 | } |
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47 | else{ |
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48 | connect(ui->generarLlaves,SIGNAL(clicked()),this,SLOT(OpcionLlaves())); |
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49 | connect(ui->cifrar,SIGNAL(clicked()),this,SLOT(CifrarArchivo())); |
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50 | ui->progressBar->setVisible(false); |
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51 | } |
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52 | } |
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53 | |
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54 | |
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55 | CriptoSistemas::~CriptoSistemas() |
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56 | { |
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57 | delete ui; |
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58 | } |
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59 | |
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60 | |
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61 | void CriptoSistemas::OpcionLlaves() |
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62 | { |
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63 | QPushButton *pushSi = new QPushButton("&Si", this); |
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64 | QPushButton *pushNo = new QPushButton("&No", this); |
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65 | |
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66 | QString generar_llaves = "<html><head/><body><p ><img src=':/static/cenditel.png' width='110' height='80' style='float: left;'/></p><p align='center'><span style= 'font-size:16pt; font-weight:600; font-style:italic; color:#ff0000;'>Generar Llaves</span></p></body></html>"; |
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67 | ui->titulo->setText(generar_llaves); |
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68 | QString pregunta = "<html><head/><body><p align='center'><span style= 'font-size:16pt; color:#2589eb;'>¿Deseas Generar las llave privada y publica?</span></p><p align='center'><img src=':/static/llaves.png'/></p></body></html>"; |
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69 | ui->imgCentral->setText(pregunta); |
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70 | pushSi->setGeometry(QRect(233, 394, 80, 31)); |
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71 | pushNo->setGeometry(QRect(518, 394, 80, 31)); |
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72 | ui->centralPage->addWidget(ui->imgCentral, 0,2); |
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73 | ui->centralPage->addWidget(pushSi, 1,1); |
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74 | ui->centralPage->addWidget(pushNo, 1,3); |
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75 | connect(pushSi,SIGNAL(clicked()),this,SLOT(GenerarLlaves())); |
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76 | connect(pushNo,SIGNAL(clicked()),this,SLOT(Inicio())); |
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77 | pushSi->setObjectName("si"); |
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78 | pushNo->setObjectName("no"); |
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79 | } |
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80 | |
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81 | |
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82 | void CriptoSistemas::Inicio() |
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83 | { |
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84 | |
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85 | } |
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86 | |
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87 | void CriptoSistemas::GenerarLlaves() |
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88 | { |
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89 | QFile ruta_priv; |
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90 | QFile ruta_publ; |
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91 | QPushButton *pushSi = findChild<QPushButton*>("si"); |
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92 | pushSi->setVisible(false); |
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93 | QPushButton *pushNo = findChild<QPushButton*>("no"); |
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94 | pushNo->setVisible(false); |
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95 | QPushButton *pushCifrar = new QPushButton("&Cifrar", this); |
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96 | QPushButton *pushDescifrar = new QPushButton("&Descifrar", this); |
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97 | pushCifrar->setObjectName("cifra"); |
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98 | pushDescifrar->setObjectName("descifrar"); |
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99 | QString exito = "<html><head/><body><p align='center'><span style= 'font-size:16pt; color:#2589eb;'>Éxito al generar las claves, ahora puedes cifrar o descifrar un archivo</span></p><p align='center'><img src=':/static/llaves.png'/></p></body></html>"; |
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100 | if ( ruta_priv.exists("keys/privkey.txt") && ruta_publ.exists("keys/pubkey.txt")) |
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101 | { |
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102 | |
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103 | QMessageBox::information(this,"Informacion","Las llaves existen, las puedes usar para cifrar o descifrar un archivo!!!"); |
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104 | ui->generarLlaves->setEnabled(false); |
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105 | ui->cifrar->setEnabled(true); |
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106 | ui->decifrar->setEnabled(true); |
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107 | ui->imgCentral->setText(exito); |
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108 | ui->centralPage->addWidget(ui->imgCentral, 0,2); |
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109 | ui->centralPage->addWidget(pushCifrar, 1,1); |
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110 | ui->centralPage->addWidget(pushDescifrar, 1,3); |
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111 | } |
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112 | else |
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113 | { |
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114 | QMessageBox::information(this,"Alerta","Generando la clave......!!!"); |
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115 | pol_t kx = get_rand_pol(KEY_DEG, false); |
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116 | pol_t ky = get_rand_pol(KEY_DEG, false); |
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117 | pol3v_t D = get_open_key(kx, ky); |
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118 | AutoSeededRandomPool rng; |
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119 | InvertibleRSAFunction privkey; |
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120 | privkey.Initialize(rng, 1024); |
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121 | Base64Encoder privkeysink(new FileSink("keys/privkey.txt")); |
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122 | privkey.DEREncode(privkeysink); |
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123 | privkeysink.MessageEnd(); |
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124 | RSAFunction pubkey(privkey); |
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125 | |
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126 | Base64Encoder pubkeysink(new FileSink("keys/pubkey.txt")); |
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127 | pubkey.DEREncode(pubkeysink); |
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128 | pubkeysink.MessageEnd(); |
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129 | ui->generarLlaves->setEnabled(false); |
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130 | ui->cifrar->setEnabled(true); |
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131 | ui->decifrar->setEnabled(true); |
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132 | QMessageBox::information(this,"Exito","Las llaves se crearon, las puedes usar para cifrar o descifrar un archivo!!!"); |
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133 | ui->imgCentral->setText(exito); |
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134 | ui->centralPage->addWidget(ui->imgCentral, 0,2); |
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135 | ui->centralPage->addWidget(pushCifrar, 1,1); |
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136 | ui->centralPage->addWidget(pushDescifrar, 1,3); |
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137 | } |
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138 | connect(pushCifrar,SIGNAL(clicked()),this,SLOT(CifrarArchivo())); |
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139 | connect(pushDescifrar,SIGNAL(clicked()),this,SLOT(DescifrarArchivo())); |
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140 | } |
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141 | |
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142 | |
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143 | void CriptoSistemas::CifrarArchivo() |
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144 | { |
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145 | QPushButton *pushSeleccionar = new QPushButton("&Seleccionar Archivo ...", this); |
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146 | QPushButton *pushDescargar = new QPushButton("&Descargar en ...", this); |
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147 | QString cifrando = "<html><head/><body><p ><img src=':/static/cenditel.png' width='110' height='80' style='float: left;'/></p><p align='center'><span style= 'font-size:16pt; font-weight:600; font-style:italic; color:#ff0000;'>Cifrar Archivo</span></p></body></html>"; |
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148 | ui->titulo->setText(cifrando); |
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149 | QString img = "<html><head/><body><p align='center'><p align='center'><img src=':/static/cifrar.png'/></p></body></html>"; |
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150 | ui->imgCentral->setText(img); |
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151 | QPushButton *pushcifrar = findChild<QPushButton*>("cifra"); |
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152 | QPushButton *pushDescifrar = findChild<QPushButton*>("descifrar"); |
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153 | if(pushcifrar && pushDescifrar){ |
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154 | pushcifrar->setVisible(false); |
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155 | pushDescifrar->setVisible(false); |
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156 | } |
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157 | ui->centralPage->addWidget(ui->imgCentral, 0,2); |
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158 | ui->centralPage->addWidget(pushSeleccionar, 0,1); |
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159 | ui->centralPage->addWidget(pushDescargar, 2,2); |
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160 | pushDescargar->setObjectName("pushDescargar"); |
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161 | |
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162 | connect(pushSeleccionar, &QPushButton::clicked,[=] { |
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163 | emit OpenFolderForCrifrar(); |
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164 | }); |
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165 | if(dir != "") |
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166 | { |
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167 | connect(pushDescargar, SIGNAL(clicked()), this, SLOT(SaveFile())); |
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168 | } |
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169 | else |
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170 | { |
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171 | |
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172 | } |
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173 | |
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174 | } |
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175 | |
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176 | void CriptoSistemas::OpenFolderForCrifrar() |
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177 | { |
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178 | dir = QFileDialog::getOpenFileName(this,tr("Select file"),"/home",tr("Files (*.txt);;All files (*.*)")); |
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179 | QPushButton *pushDescargar = findChild<QPushButton*>("pushDescargar"); |
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180 | connect(pushDescargar, SIGNAL(clicked()), this, SLOT(SaveFile())); |
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181 | |
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182 | } |
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183 | |
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184 | void CriptoSistemas::SaveFile() |
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185 | { |
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186 | QString dir_save = QFileDialog::getSaveFileName(0,"Save file",QDir::currentPath(), |
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187 | "Text files (*.txt)", |
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188 | new QString("Text files (*.txt)")); |
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189 | |
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190 | qDebug()<<dir; |
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191 | // Cifrado |
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192 | string plain; |
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193 | string ruta = dir.toStdString(); |
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194 | string save = dir_save.toStdString(); |
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195 | FileSource texto_plano(ruta.c_str(), true, new StringSink(plain)); |
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196 | FileSource file("keys/pubkey.txt", true, new Base64Decoder); |
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197 | RSAES_OAEP_SHA_Encryptor pubkey(file); |
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198 | AutoSeededRandomPool rng; |
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199 | StringSource ss1( plain, true, |
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200 | new PK_EncryptorFilter( rng, pubkey, |
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201 | new FileSink( save.c_str() ) |
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202 | ) // PK_EncryptorFilter |
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203 | ); // StringSource |
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204 | dir = ""; |
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205 | } |
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206 | |
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207 | void CriptoSistemas::DescifrarArchivo() |
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208 | { |
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209 | QPushButton *pushSeleccionar = new QPushButton("&Seleccionar Archivo ...", this); |
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210 | QPushButton *pushDescargar = new QPushButton("&Descifrar en ...", this); |
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211 | QString cifrando = "<html><head/><body><p><img src=':/static/cenditel.png' width='110' height='80' style='float: left;'/></p><p align='center'><span style= 'font-size:16pt; font-weight:600; font-style:italic; color:#ff0000;'>Decifrar Archivo</span></p></body></html>"; |
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212 | ui->titulo->setText(cifrando); |
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213 | QString img = "<html><head/><body><p align='center'><p align='center'><img src=':/static/descifrar.png'/></p></body></html>"; |
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214 | ui->imgCentral->setText(img); |
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215 | QPushButton *pushcifrar = findChild<QPushButton*>("cifra"); |
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216 | QPushButton *pushDescifrar = findChild<QPushButton*>("descifrar"); |
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217 | if(pushcifrar && pushDescifrar){ |
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218 | pushcifrar->setVisible(false); |
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219 | pushDescifrar->setVisible(false); |
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220 | } |
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221 | ui->centralPage->addWidget(ui->imgCentral, 0,2); |
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222 | ui->centralPage->addWidget(pushSeleccionar, 0,1); |
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223 | ui->centralPage->addWidget(pushDescargar, 2,2); |
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224 | pushDescargar->setObjectName("pushDescargarEn"); |
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225 | connect(pushSeleccionar, SIGNAL(clicked()), this, SLOT(OpenFolderForDescifrar())); |
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226 | } |
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227 | |
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228 | |
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229 | void CriptoSistemas::Ayuda() |
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230 | { |
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231 | |
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232 | } |
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233 | |
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234 | |
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235 | void CriptoSistemas::OpenFolderForDescifrar() |
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236 | { |
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237 | dir = QFileDialog::getOpenFileName(this,tr("Select file"),"/home",tr("Files (*.txt);;All files (*.*)")); |
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238 | QPushButton *pushDescargar = findChild<QPushButton*>("pushDescargarEn"); |
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239 | QPushButton *pushDescarga = findChild<QPushButton*>("pushDescargar"); |
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240 | if (pushDescarga) |
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241 | { |
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242 | pushDescarga->setVisible(false); |
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243 | } |
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244 | connect(pushDescargar, SIGNAL(clicked()), this, SLOT(SaveFileForDescifrado())); |
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245 | } |
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246 | |
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247 | |
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248 | void CriptoSistemas::SaveFileForDescifrado() |
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249 | { |
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250 | QString dir_save = QFileDialog::getSaveFileName(0,"Save file",QDir::currentPath(), |
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251 | "Text files (*.txt)", |
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252 | new QString("Text files (*.txt)")); |
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253 | qDebug()<<dir; |
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254 | // Descifrado |
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255 | AutoSeededRandomPool rng; |
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256 | string str; |
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257 | string ruta = dir.toStdString(); |
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258 | string save = dir_save.toStdString(); |
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259 | FileSource file("keys/privkey.txt", true, new Base64Decoder); |
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260 | FileSource cifrado(ruta.c_str(), true, new StringSink(str)); |
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261 | RSAES_OAEP_SHA_Decryptor d(file); |
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262 | |
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263 | StringSource ss2(str, true, |
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264 | new PK_DecryptorFilter(rng, d, |
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265 | new FileSink( save.c_str() ) |
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266 | ) // PK_DecryptorFilter |
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267 | ); // StringSource |
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268 | qDebug()<<"DesCifrando"; |
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269 | dir = ""; |
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270 | } |
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