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gui.py
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gui.py
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import os, crypto, stego, smtplib
import email.utils
from mail import *
import PySimpleGUI as sg
sg.theme('Black')
tab1_layout = [
[
sg.Column([
[sg.Radio("Encrypt with AES encryption", group_id='aes_rsa_radios', key='aes_radio', default=True, enable_events=True)],
[sg.Radio("Encrypt with RSA encryption", group_id='aes_rsa_radios', key='rsa_radio', default=False, enable_events=True)],
[sg.Radio("Do not encrypt", group_id='aes_rsa_radios', key='no_encryption_radio', default=False, enable_events=True)],
[sg.Checkbox("Hide data inside image", key='image_checkbox', default=True, enable_events=True)],
[sg.Text(text="Output folder", key='output_dir_title')],
[sg.Column([[sg.Input(key='output_dir'), sg.FolderBrowse(key='output_dir_browse')]], key='output_dir_row')],
[sg.Text(text='', key='output_dir_message', size=(40, 2))],
[sg.Text(text="Public key", key='public_key_title')],
[sg.Column([[sg.Input(key='public_key', disabled_readonly_background_color='black'), sg.FileBrowse(key='public_key_browse', file_types=(('PEM Files', '*.pem'), ))]], key='public_key_row')],
[sg.Text(text='', key='public_key_message', size=(40, 2))],
[sg.Text(text="Image file", key='image_file_title')],
[sg.Column([[sg.Input(key='image_file', disabled_readonly_background_color='black'), sg.FileBrowse(key='image_file_browse', file_types=(('PNG Files', '*.jpg'), ))]], key='image_file_row')],
[sg.Text(text='', key='image_file_message', size=(40, 2))]
], vertical_alignment='top'),
sg.VerticalSeparator(),
sg.Column([
[
sg.Radio("Text", 'text_file_radios', key='text_radio', default=True, enable_events=True),
sg.Radio("File", 'text_file_radios', key='file_radio', default=False, enable_events=True)
],
[sg.Text(text="File", key='file_title')],
[sg.Column([[sg.Input(key='file', disabled_readonly_background_color='black', disabled=True), sg.FileBrowse(key='file_browse', disabled=True)]], key='file_row')],
[sg.Text(text='', key='encrypt_file_text', size=(40, 2))],
[sg.Text(text="Text", key='text_title')],
[sg.Multiline(default_text='Your message here.', size=(40, 15), key='message')],
[sg.Text(text='', key='encrypt_message_text', size=(40, 2))],
[sg.Column([[sg.Button(button_text="Encrypt", key='encrypt_button')]])]
], vertical_alignment='top')
]
]
tab2_layout = [
[
sg.Column([
[sg.Text(text="Encrypted file", key='encrypted_file_title')],
[sg.Column([[sg.Input(key='encrypted_file'), sg.FileBrowse(key='encrypted_file_browse')]], key='encrypted_file_row')],
[sg.Text(text='', key='encrypted_file_message', size=(40, 2))],
[sg.Text(text="Key", key='private_key_title')],
[sg.Column([[sg.Input(key='private_key'), sg.FileBrowse(key='private_key_browse', file_types=(('PEM Files', '*.pem'), ))]], key='private_key_row')],
[sg.Text(text='', key='private_key_message', size=(40, 2))],
[sg.Text(text="Output folder", key='output_decrypt_dir_title')],
[sg.Column([[sg.Input(key='output_decrypt_dir', disabled_readonly_background_color='black'), sg.FolderBrowse(key='output_decrypt_dir_browse')]], key='output_decrypt_dir_row')],
[sg.Text(text='', key='output_decrypt_dir_message', size=(40, 2))]
], vertical_alignment='top'),
sg.VerticalSeparator(),
sg.Column([
[sg.Text(text="Text", key='decrypted_message_title')],
[sg.Multiline(size=(40, 15), disabled=True, key='decrypted_message')],
[sg.Text(text='', key='decrypt_message', size=(40, 2))],
[sg.Column([[sg.Button(button_text="Decrypt", key='decrypt_button')]])]
], vertical_alignment='top')
]
]
tab3_layout = [
[
sg.Column([
[sg.Text("Key size")],
[sg.Combo(('2048', '3072', '4096', '8192'), default_value='3072', key='key_size_combo')],
[sg.Text("Output folder")],
[sg.Column([[sg.Input(key='keys_dir'), sg.FolderBrowse(key='keys_dir_browse')]], key='keys_dir_row')],
[sg.Text(text='', key='keys_dir_message', size=(40, 2))],
[sg.Button(button_text="Generate keys", key='generate_button')]
], vertical_alignment='top')
]
]
tab4_layout = [
[
sg.Column([
[sg.Text(text="Encrypted file", key='mailfile_title')],
[sg.Column([[sg.Input(key='mail_file'), sg.FileBrowse(key='mail_browse')]], key='mail_row')],
[sg.Text(text='', key='mail_message', size=(40, 2))],
[sg.Text("Your Email Address")],
[sg.Input(key='sender_addr')],
[sg.Text("Password")],
[sg.Input(key='mail_pwd', password_char='*')],
[sg.Text("Receiver Email Address")],
[sg.Input(key='receiver_addr')],
[sg.Button(button_text="Send Mail", key='send_mail')]
], vertical_alignment='top')
]
]
layout = [
[
sg.TabGroup([
[sg.Tab("Encrypt", tab1_layout), sg.Tab("Decrypt", tab2_layout), sg.Tab("Keys", tab3_layout), sg.Tab("Mail", tab4_layout)]
])
]
]
window = sg.Window("CRYPEGANgraphy", layout)
while True:
window.refresh()
event, values = window.read()
if event == sg.WIN_CLOSED:
break
elif event == 'generate_button':
if not os.path.exists(values['keys_dir']):
window['keys_dir_message'].update("Invalid folder", text_color='red')
else:
try:
crypto.GenerateKeyPair(values['keys_dir'], int(values['key_size_combo']))
window['keys_dir_message'].update("Successfully generated key pair", text_color='green')
except Exception as exception:
window['keys_dir_message'].update("Unable to generate key pair\n" + str(exception), text_color='red')
elif event == 'encrypt_button':
if not os.path.exists(values['output_dir']):
window['output_dir_message'].update("Invalid folder", text_color='red')
if values['no_encryption_radio'] is False:
if not os.path.exists(values['public_key']):
window['public_key_message'].update("Invalid PEM file", text_color='red')
if values['image_checkbox']:
if not os.path.exists(values['image_file']):
window['image_file_message'].update("Invalid PNG file", text_color='red')
try:
if values['rsa_radio']:
if not values['image_checkbox']:
if os.path.exists(values['output_dir']) and os.path.exists(values['public_key']):
window['output_dir_message'].update('')
window['public_key_message'].update('')
if values['text_radio']:
with open(values['output_dir'] + '/encrypted', 'wb') as outputFile:
publicKey = crypto.ImportKey(values['public_key'])
outputFile.write(b'enct' + crypto.EncryptRSA(values['message'], publicKey))
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['file_radio']:
with open(values['output_dir'] + '/encrypted', 'wb') as outputFile:
fileExt = str(values['file']).split('.')[-1].lower()
if fileExt.find('/') != -1:
fileExt = 'file'
fileExtLength = str(len(fileExt))
if len(fileExtLength) == 1:
fileExtLength = '0' + fileExtLength
file = open(values['file'], 'rb').read()
publicKey = crypto.ImportKey(values['public_key'])
outputFile.write(b'encf' + bytes(fileExtLength, 'utf-8') + bytes(fileExt, 'utf-8') + crypto.EncryptRSA(str(file.hex()), publicKey))
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['image_checkbox']:
if os.path.exists(values['output_dir']) and os.path.exists(values['public_key']) and os.path.exists(values['image_file']):
window['output_dir_message'].update('')
window['public_key_message'].update('')
window['image_file_message'].update('')
if values['text_radio']:
publicKey = crypto.ImportKey(values['public_key'])
encrypted = 'enct' + str(bytes.hex(crypto.EncryptRSA(values['message'], publicKey)))
stego.Encode(values['image_file'], encrypted, values['output_dir'] + '/encrypted.png')
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['file_radio']:
fileExt = str(values['file']).split('.')[-1].lower()
if fileExt.find('/') != -1:
fileExt = 'file'
file = open(values['file'], 'rb').read()
publicKey = crypto.ImportKey(values['public_key'])
encrypted = 'encf' + str(len(fileExt)) + fileExt + str(bytes.hex(crypto.EncryptRSA(str(file.hex()), publicKey)))
stego.Encode(values['image_file'], encrypted, values['output_dir'] + '/encrypted.png')
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['aes_radio']:
if not values['image_checkbox']:
if os.path.exists(values['output_dir']) and os.path.exists(values['public_key']):
window['output_dir_message'].update('')
window['public_key_message'].update('')
if values['text_radio']:
with open(values['output_dir'] + '/encrypted', 'wb') as outputFile:
crypto.EncryptAES(values['message'], values['public_key'], values['output_dir'] + '/encrypted', 'enc_text_aes')
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['file_radio']:
with open(values['output_dir'] + '/encrypted', 'wb') as outputFile:
fileExt = str(values['file']).split('.')[-1].lower()
if fileExt.find('/') != -1:
fileExt = 'file'
file = open(values['file'], 'rb').read()
crypto.EncryptAES(bytes.hex(file), values['public_key'], values['output_dir'] + '/encrypted', 'enc_file_aes_' + fileExt)
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['image_checkbox']:
if os.path.exists(values['output_dir']) and os.path.exists(values['public_key']) and os.path.exists(values['image_file']):
window['output_dir_message'].update('')
window['public_key_message'].update('')
window['image_file_message'].update('')
if values['text_radio']:
header, sessionKeyEncrypted, nonce, tag, ciphertext = crypto.EncryptAES(values['message'], values['public_key'], header='enc_text_aes')
stego.Encode(values['image_file'], bytes.hex(header) + bytes.hex(sessionKeyEncrypted) + bytes.hex(nonce) + bytes.hex(tag) + bytes.hex(ciphertext), values['output_dir'] + '/encrypted.png')
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['file_radio']:
fileExt = str(values['file']).split('.')[-1].lower()
if fileExt.find('/') != -1:
fileExt = 'file'
file = open(values['file'], 'rb').read()
header, sessionKeyEncrypted, nonce, tag, ciphertext = crypto.EncryptAES(bytes.hex(file), values['public_key'], header='enc_file_aes_' + fileExt)
stego.Encode(values['image_file'], bytes.hex(header) + bytes.hex(sessionKeyEncrypted) + bytes.hex(nonce) + bytes.hex(tag) + bytes.hex(ciphertext), values['output_dir'] + '/encrypted.png')
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['no_encryption_radio'] and values['image_checkbox']:
if os.path.exists(values['output_dir']) and os.path.exists(values['image_file']):
window['output_dir_message'].update('')
window['image_file_message'].update('')
if values['text_radio']:
stego.Encode(values['image_file'], 'plnt' + values['message'], values['output_dir'] + '/encrypted.png')
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['file_radio']:
fileExt = str(values['file']).split('.')[-1].lower()
if fileExt.find('/') != -1:
fileExt = 'file'
file = open(values['file'], 'rb').read()
stego.Encode(values['image_file'], 'plnf' + str(len(fileExt)) + fileExt + bytes.hex(file), values['output_dir'] + '/encrypted.png')
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
except Exception as exception:
window['encrypt_message_text'].update("Unable to encrypt\n" + str(exception), text_color='red')
elif event == 'decrypt_button':
if not os.path.exists(values['encrypted_file']):
window['encrypted_file_message'].update("Invalid file", text_color='red')
try:
if str(values['encrypted_file']).split('.')[-1].lower() != 'png':
if not os.path.exists(values['private_key']):
window['private_key_message'].update("Invalid PEM file", text_color='red')
else:
privateKey = crypto.ImportKey(values['private_key'])
file = open(values['encrypted_file'], 'rb').read()
if str(file[0:4], 'utf-8') == 'enct':
decrypted = str(crypto.DecryptRSA(file[4:], privateKey), 'utf-8')
window['decrypted_message'].update(decrypted)
window['decrypt_message'].update("Successfully decrypted file", text_color='green')
elif str(file[0:4], 'utf-8') == '12en':
if str(file[0:14], 'utf-8') == '12enc_text_aes':
decrypted, header = crypto.DecryptAES(values['encrypted_file'], values['private_key'])
window['decrypted_message'].update(str(decrypted, 'utf-8'))
window['decrypt_message'].update("Successfully decrypted file", text_color='green')
elif not os.path.exists(values['output_decrypt_dir']):
window['output_decrypt_dir_message'].update("Invalid folder", text_color='red')
elif str(file[0:4], 'utf-8') == 'encf':
fileExtLength = int(chr(file[4]) + chr(file[5]))
fileExt = str(file[6:(6 + fileExtLength)], 'utf-8')
decrypted = str(bytes.fromhex(str(crypto.DecryptRSA(file[(6 + fileExtLength):], privateKey), 'utf-8')), 'utf-8')
with open(values['output_decrypt_dir'] + '/decrypted.' + fileExt, 'wb') as outputFile:
outputFile.write(bytes(decrypted, 'utf-8'))
try:
window['decrypted_message'].update("Saved decrypted data to file. Contents:\n\n" + decrypted)
except:
window['decrypted_message'].update("Saved decrypted data to file.")
window['decrypt_message'].update("Successfully decrypted file", text_color='green')
elif str(file[0:14], 'utf-8').find('enc_file_aes') != -1:
decrypted, header = crypto.DecryptAES(values['encrypted_file'], values['private_key'])
fileExt = header[15:]
with open(values['output_decrypt_dir'] + '/decrypted.' + fileExt, 'wb') as outputFile:
outputFile.write(bytes.fromhex(str(decrypted, 'utf-8')))
try:
window['decrypted_message'].update("Saved decrypted data to file. Contents:\n\n" + str(bytes.fromhex(str(decrypted, 'utf-8')), 'utf-8'))
except:
window['decrypted_message'].update("Saved decrypted data to file.")
window['decrypt_message'].update("Successfully decrypted file", text_color='green')
else:
window['decrypted_message'].update('')
window['decrypt_message'].update("Unable to decrypt file\n" + "unknown file", text_color='red')
elif str(values['encrypted_file']).split('.')[-1].lower() == 'png':
if os.path.exists(values['encrypted_file']):
window['encrypted_file_message'].update('')
window['private_key_message'].update('')
file = stego.Decode(values['encrypted_file'])
try:
filefromhex = bytes.fromhex(file)
except:
filefromhex = file
if file[0:4] == 'plnt':
window['decrypted_message'].update(file[4:])
window['decrypt_message'].update('Successfully decrypted file', text_color='green')
elif file[0:4] == 'plnf':
fileExtLength = int(file[4])
fileExt = file[5:(5 + fileExtLength)]
with open(values['output_decrypt_dir'] + '/decrypted.' + fileExt, 'wb') as outputFile:
outputFile.write(bytes.fromhex(file[(5 + fileExtLength):]))
try:
window['decrypted_message'].update("Saved decrypted data to file. Contents:\n\n" + str(bytes.fromhex(file[(5 + fileExtLength):]), 'utf-8'))
except:
window['decrypted_message'].update("Saved decrypted data to file.")
window['decrypt_message'].update("Successfully decrypted file", text_color='green')
elif not os.path.exists(values['private_key']):
window['private_key_message'].update("Invalid PEM file", text_color='red')
elif os.path.exists(values['private_key']):
privateKey = crypto.ImportKey(values['private_key'])
if file[0:4] == 'enct':
decrypted = str(crypto.DecryptRSA(bytes.fromhex(file[4:]), privateKey), 'utf-8')
window['decrypted_message'].update(decrypted)
window['decrypt_message'].update("Successfully decrypted file", text_color='green')
elif not os.path.exists(values['output_decrypt_dir']):
window['output_decrypt_dir_message'].update("Invalid folder", text_color='red')
elif type(filefromhex) == bytes:
if str(filefromhex[0:14], 'utf-8') == '12enc_text_aes':
with open(values['output_decrypt_dir'] + '/aes_text_fromhex_temp', 'wb') as tempFile:
tempFile.write(filefromhex)
decrypted, header = crypto.DecryptAES(values['output_decrypt_dir'] + '/aes_text_fromhex_temp', values['private_key'])
os.remove(values['output_decrypt_dir'] + '/aes_text_fromhex_temp')
window['decrypted_message'].update(str(decrypted, 'utf-8'))
window['decrypt_message'].update("Successfully decrypted file", text_color='green')
elif str(filefromhex[0:14], 'utf-8').find('enc_file_aes') != -1:
with open(values['output_decrypt_dir'] + '/aes_file_fromhex_temp', 'wb') as tempFile:
tempFile.write(filefromhex)
decrypted, header = crypto.DecryptAES(values['output_decrypt_dir'] + '/aes_file_fromhex_temp', values['private_key'])
fileExt = header[15:]
with open(values['output_decrypt_dir'] + '/decrypted.' + fileExt, 'wb') as outputFile:
outputFile.write(bytes.fromhex(str(decrypted, 'utf-8')))
try:
window['decrypted_message'].update("Saved decrypted data to file. Contents:\n\n" + str(bytes.fromhex(str(decrypted, 'utf-8')), 'utf-8'))
except:
window['decrypted_message'].update("Saved decrypted data to file.")
os.remove(values['output_decrypt_dir'] + '/aes_file_fromhex_temp')
window['decrypt_message'].update("Successfully decrypted file", text_color='green')
elif file[0:4] == 'encf':
fileExtLength = int(file[4] + file[5])
fileExt = file[6:(6 + fileExtLength)]
decrypted = str(bytes.fromhex(str(crypto.DecryptRSA(bytes.fromhex(file[(6 + fileExtLength):]), privateKey), 'utf-8')), 'utf-8')
with open(values['output_decrypt_dir'] + '/decrypted.' + fileExt, 'wb') as outputFile:
outputFile.write(bytes(decrypted, 'utf-8'))
try:
window['decrypted_message'].update("Saved decrypted data to file. Contents:\n\n" + decrypted)
except:
window['decrypted_message'].update("Saved decrypted data to file.")
window['decrypt_message'].update("Successfully decrypted file", text_color='green')
else:
window['decrypted_message'].update('')
window['decrypt_message'].update("Unable to decrypt file\n" + "unknown file", text_color='red')
except Exception as exception:
window['decrypted_message'].update('')
window['decrypt_message'].update("Unable to decrypt file\n" + str(exception), text_color='red')
elif event != 'send_mail':
try:
smtpObj=smtplib.SMTP_SSL("smtp.gmail.com",465)
smtpObj.login(values['sender_addr'],values['mail_pwd'])
smtpObj.sendmail(values['sender_addr'], values['mail_addr'], message)
smtpObj.quit()
print("Successfully sent email")
except Exception:
print()
elif event == 'send_mail':
window['mail_message'].update("Successfully sent mail", text_color='green')
if values['text_radio']:
window['message'].update(disabled=False)
window['message'].Widget.config(bg='#4D4D4D')
window['file'].update(disabled=True)
window['file_browse'].update(disabled=True)
elif values['file_radio']:
window['message'].update(disabled=True)
window['message'].Widget.config(bg='#000000')
window['file'].update(disabled=False)
window['file_browse'].update(disabled=False)
if values['no_encryption_radio']:
window['image_checkbox'].update(True, disabled=True)
window['image_file'].update(disabled=False)
window['image_file_browse'].update(disabled=False)
window['public_key'].update(disabled=True)
window['public_key_browse'].update(disabled=True)
elif not values['no_encryption_radio']:
window['image_checkbox'].update(disabled=False)
window['image_file'].update(disabled=False)
window['image_file_browse'].update(disabled=False)
window['public_key'].update(disabled=False)
window['public_key_browse'].update(disabled=False)
if values['image_checkbox']:
window['image_file'].update(disabled=False)
window['image_file_browse'].update(disabled=False)
elif not values['image_checkbox'] and not values['no_encryption_radio']:
window['image_file'].update(disabled=True)
window['image_file_browse'].update(disabled=True)
window.close()