def run_rsa(message):
"""Runs RSA-ciphers"""
public1, private1 = RSA.generate_key(ALPHABET_SIZE)
public2, private2 = RSA.generate_key(ALPHABET_SIZE)
cipher1 = RSA(private1, public2, ALPHABET_SIZE)
cipher2 = RSA(private2, public1, ALPHABET_SIZE)
sender = Sender(cipher1)
encrypted = sender.operate_cipher(message)
receiver = Receiver(cipher2)
receiver.operate_cipher(encrypted)
class MainWindow(QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
loadUi(os.getcwd() + '/gui.ui', self)
self.constraint_input()
self.connect_buttons()
self.elgamal = Elgamal()
self.rsa = RSA()
self.dh = DiffieHellman()
self.mode = None
self.format = None
def constraint_input(self):
self.onlyInt = QIntValidator()
self.RSA_key_e_value.setValidator(self.onlyInt)
self.RSA_key_d_value.setValidator(self.onlyInt)
self.RSA_key_n_value.setValidator(self.onlyInt)
self.RSA_sess_n_value.setValidator(self.onlyInt)
self.RSA_sess_g_value.setValidator(self.onlyInt)
self.RSA_sess_x_value.setValidator(self.onlyInt)
self.RSA_sess_y_value.setValidator(self.onlyInt)
self.EG_key_p_value.setValidator(self.onlyInt)
self.EG_key_g_value.setValidator(self.onlyInt)
self.EG_key_x_value.setValidator(self.onlyInt)
self.EG_key_y_value.setValidator(self.onlyInt)
self.EG_sess_n_value.setValidator(self.onlyInt)
self.EG_sess_g_value.setValidator(self.onlyInt)
self.EG_sess_x_value.setValidator(self.onlyInt)
self.EG_sess_y_value.setValidator(self.onlyInt)
self.RSA_output_text.setReadOnly(True)
self.EG_output_text.setReadOnly(True)
def connect_buttons(self):
# Main menu buttons
self.rsabutton.clicked.connect(
lambda: self.stackedWidget.setCurrentIndex(1))
self.egbutton.clicked.connect(
lambda: self.stackedWidget.setCurrentIndex(2))
# RSA buttons
self.RSA_key_savebutton.clicked.connect(self.rsa_save_key)
self.RSA_act_execbutton.clicked.connect(self.rsa_execute)
self.RSA_key_genbutton.clicked.connect(self.rsa_generate_key)
self.RSA_key_filebutton.clicked.connect(self.rsa_import_key)
self.RSA_act_decbutton.clicked.connect(self.set_mode_dec)
self.RSA_act_encbutton.clicked.connect(self.set_mode_enc)
self.RSA_input_filebutton.clicked.connect(self.rsa_get_input_file)
self.RSA_fmt_txtbutton.clicked.connect(self.set_format_txt)
self.RSA_fmt_filebutton.clicked.connect(self.set_format_file)
self.RSA_returnbutton.clicked.connect(
lambda: self.stackedWidget.setCurrentIndex(0))
self.RSA_sess_genbutton.clicked.connect(
self.rsa_diffiehellman_generate_key)
# Elgamal buttons
self.EG_key_savebutton.clicked.connect(self.elgamal_save_key)
self.EG_act_execbutton.clicked.connect(self.elgamal_execute)
self.EG_key_genbutton.clicked.connect(self.elgamal_generate_key)
self.EG_key_filebutton.clicked.connect(self.elgamal_import_key)
self.EG_act_decbutton.clicked.connect(self.set_mode_dec)
self.EG_act_encbutton.clicked.connect(self.set_mode_enc)
self.EG_input_filebutton.clicked.connect(self.elgamal_get_input_file)
self.EG_fmt_txtbutton.clicked.connect(self.set_format_txt)
self.EG_fmt_filebutton.clicked.connect(self.set_format_file)
self.EG_returnbutton.clicked.connect(
lambda: self.stackedWidget.setCurrentIndex(0))
self.EG_sess_genbutton.clicked.connect(
self.eg_diffiehellman_generate_key)
# DIFFIE HELMAN STUFF
def rsa_diffiehellman_generate_key(self):
self.dh.generate_parameters()
n, g, x, y = self.dh.get_parameters()
self.RSA_sess_n_value.setText(str(n))
self.RSA_sess_g_value.setText(str(g))
self.RSA_sess_x_value.setText(str(x))
self.RSA_sess_y_value.setText(str(y))
sess_key = self.dh.get_session_key()
self.RSA_sess_result.setText(str(sess_key))
def eg_diffiehellman_generate_key(self):
self.dh.generate_parameters()
n, g, x, y = self.dh.get_parameters()
self.EG_sess_n_value.setText(str(n))
self.EG_sess_g_value.setText(str(g))
self.EG_sess_x_value.setText(str(x))
self.EG_sess_y_value.setText(str(y))
sess_key = self.dh.get_session_key()
self.EG_sess_result.setText(str(sess_key))
# RSA STUFF
def rsa_save_key(self):
fileNamePub, _ = QFileDialog.getSaveFileName(
None, "Save RSA Public Key", "", "Public Key File (*.pub)")
fileNamePri, _ = QFileDialog.getSaveFileName(
None, "Save RSA Private Key", "", "Private Key File (*.pri)")
# self.rsa.generate_key()
self.rsa.save_generated_keys(fileNamePub, fileNamePri)
def rsa_set_public_key(self):
e = int(self.RSA_key_e_value.text())
n = int(self.RSA_key_n_value.text())
self.rsa.set_public_key(e, n)
def rsa_set_private_key(self):
d = int(self.RSA_key_d_value.text())
n = int(self.RSA_key_n_value.text())
self.rsa.set_private_key(d, n)
def rsa_execute(self):
self.rsa_set_public_key()
self.rsa_set_private_key()
st = time.time()
if self.mode == 'enc':
if self.format == 'txt':
self.rsa.get_input(
bytes(self.RSA_input_text.toPlainText(),
'UTF-8',
errors='ignore'))
self.rsa.encrypt()
self.RSA_output_text.setText(self.rsa.get_cipher_text())
# print("RSA get cipher text: ", bytes(self.rsa.get_cipher_text(), 'UTF-8'))
elif self.format == 'file':
if self.rsa_inpfile == None:
self.display_value_error("File belum dipilih")
return
assert self.rsa_inpfile is not None
self.rsa.enc_from_file(self.rsa_inpfile)
self.rsa.encrypt()
fileName, _ = QFileDialog.getSaveFileName(
None, "Save Encrypted File", "", "All Files (*)")
print("tes({})".format(fileName))
if fileName == "":
return
self.rsa.enc_write_file(fileName)
# Print file size
self.RSA_size_value.setText(
str(os.path.getsize(fileName) / 1000))
else:
self.display_value_error("Format belum dipilih")
return
elif self.mode == 'dec':
if self.format == 'txt':
check = self.RSA_input_text.toPlainText()
print("RSA_input toPlainText ", check)
print("length of text = {}".format(len(check)))
for c in check:
print(c, end='')
print()
self.rsa.get_input(
bytes(self.RSA_input_text.toPlainText(),
'UTF-8',
errors='ignore'))
self.rsa.parse_msg_to_enc()
self.rsa.decrypt()
self.RSA_output_text.setText(self.rsa.get_plain_text())
elif self.format == 'file':
if self.rsa_inpfile == None:
self.display_value_error("File belum dipilih")
return
assert self.rsa_inpfile is not None
self.rsa.dec_from_file(self.rsa_inpfile)
self.rsa.decrypt()
fileName, _ = QFileDialog.getSaveFileName(
None, "Save Encrypted File", "", "All Files (*)")
print("tes({})".format(fileName))
if fileName == "":
return
self.rsa.dec_write_file(fileName)
# Print file size
self.RSA_size_value.setText(
str(os.path.getsize(fileName) / 1000))
else:
self.display_value_error("Format belum dipilih")
return
else:
self.display_value_error("Aksi belum dipilih")
return
end = str(time.time() - st)
# Set time execution
self.RSA_time_value.setText(end)
def rsa_generate_key(self):
self.rsa.generate_key()
d, n1 = self.rsa.get_private_key()
e, n2 = self.rsa.get_public_key()
assert n1 == n2
self.RSA_key_n_value.setText(str(n1))
self.RSA_key_d_value.setText(str(d))
self.RSA_key_e_value.setText(str(e))
def rsa_import_key(self):
fileNamePub, _ = QFileDialog.getOpenFileName(
None, "Import RSA Public Key", "", "Public Key File (*.pub)")
fileNamePri, _ = QFileDialog.getOpenFileName(
None, "Import RSA Private Key", "", "Private Key File (*.pri)")
self.rsa.import_public_key(fileNamePub)
self.rsa.import_private_key(fileNamePri)
# display the imported key in the text box
d, n1 = self.rsa.get_private_key()
e, n2 = self.rsa.get_public_key()
assert n1 == n2
self.RSA_key_n_value.setText(str(n1))
self.RSA_key_d_value.setText(str(d))
self.RSA_key_e_value.setText(str(e))
def rsa_get_input_file(self):
fileName, _ = QFileDialog.getOpenFileName(None, "Get Input File", "",
"All Files (*)")
self.rsa_inpfile = fileName
fileName = fileName.split('/')[-1]
self.RSA_inp_file_label.setText("Chosen file: {}".format(fileName))
# ELGAMAL STUFF
def elgamal_save_key(self):
fileNamePub, _ = QFileDialog.getSaveFileName(
None, "Save Elgamal Public Key", "", "Public Key File (*.pub)")
fileNamePri, _ = QFileDialog.getSaveFileName(
None, "Save Elgamal Private Key", "", "Private Key File (*.pri)")
self.elgamal.generate_key()
self.elgamal.save_generated_keys(fileNamePub, fileNamePri)
def elgamal_set_public_key(self):
p = int(self.EG_key_p_value.text())
g = int(self.EG_key_g_value.text())
y = int(self.EG_key_y_value.text())
self.elgamal.set_public_key(p, g, y)
def elgamal_set_private_key(self):
p = int(self.EG_key_p_value.text())
x = int(self.EG_key_x_value.text())
self.elgamal.set_private_key(p, x)
def elgamal_execute(self):
self.elgamal_set_public_key()
self.elgamal_set_private_key()
st = time.time()
if self.mode == 'enc':
if self.format == 'txt':
self.elgamal.get_input(
bytes(self.EG_input_text.toPlainText(),
'UTF-8',
errors='ignore'))
self.elgamal.encrypt()
self.EG_output_text.setText(self.elgamal.get_cipher_text())
elif self.format == 'file':
self.elgamal.enc_from_file(self.elgamal_inpfile)
self.elgamal.encrypt()
fileName, _ = QFileDialog.getSaveFileName(
None, "Save Encrypted File", "", "All Files (*)")
self.elgamal.enc_write_file(fileName)
# Print file size
self.EG_size_value.setText(
str(os.path.getsize(fileName) / 1000))
else:
self.display_value_error("Format belum dipilih")
return
elif self.mode == 'dec':
if self.format == 'txt':
self.elgamal.get_input(
bytes(self.EG_input_text.toPlainText(),
'UTF-8',
errors='ignore'))
self.elgamal.parse_msg_to_enc()
self.elgamal.decrypt()
self.EG_output_text.setText(self.elgamal.get_plain_text())
elif self.format == 'file':
self.elgamal.dec_from_file(self.elgamal_inpfile)
self.elgamal.decrypt()
fileName, _ = QFileDialog.getSaveFileName(
None, "Save Encrypted File", "", "All Files (*)")
self.elgamal.dec_write_file(fileName)
# Print file
self.EG_size_value.setText(
str(os.path.getsize(fileName) / 1000))
else:
self.display_value_error("Format belum dipilih")
return
else:
self.display_value_error("Aksi belum dipilih")
return
end = str(time.time() - st)
# Set time execution
self.EG_time_value.setText(end)
def elgamal_get_input_file(self):
fileName, _ = QFileDialog.getOpenFileName(None, "Get Input File", "",
"All Files (*)")
self.elgamal_inpfile = fileName
fileName = fileName.split('/')[-1]
self.EG_inp_file_label.setText("Chosen file: {}".format(fileName))
def elgamal_import_key(self):
fileNamePub, _ = QFileDialog.getOpenFileName(
None, "Import Elgamal Public Key", "", "Public Key File (*.pub)")
fileNamePri, _ = QFileDialog.getOpenFileName(
None, "Import Elgamal Private Key", "", "Private Key File (*.pri)")
self.elgamal.import_public_key(fileNamePub)
self.elgamal.import_private_key(fileNamePri)
def elgamal_generate_key(self):
self.elgamal.generate_key()
g, y, p = self.elgamal.get_public_key()
x, p = self.elgamal.get_private_key()
self.EG_key_p_value.setText(str(p))
self.EG_key_g_value.setText(str(g))
self.EG_key_x_value.setText(str(x))
self.EG_key_y_value.setText(str(y))
# OTHER STUFF
def set_mode_enc(self):
self.mode = 'enc'
def set_mode_dec(self):
self.mode = 'dec'
def set_format_txt(self):
self.format = 'txt'
def set_format_file(self):
self.format = 'file'
# VALIDATION STUFF
def display_value_error(self, err_msg: str):
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Error")
msg.setInformativeText(err_msg)
msg.setWindowTitle("Error")
msg.setStandardButtons(QMessageBox.Ok)
retval = msg.exec_()
from rsa import RSA
import src.hub as hub
"""
Universidade Federal de Alagoas - UFAL
Programa para criptografia RSA da matéria de Matemática Discreta
Participantes:
- Ana Ferreira
- Frederico Guilherme
- Lucas Tenório
- Phyllipe Bezerra
- Rafael Augusto
"""
if __name__ == "__main__":
# Opção selecionada no menu
option = hub.menu()
rsa = RSA()
if option == 1:
print("\n[1] Gerar chave pública")
rsa.generate_key()
elif option == 2:
print("\n[2] Criptografar")
rsa.encrypt()
elif option == 3:
print("\n[3] Descriptografar")
rsa.decrypt()
else:
exit(1)
