InformationProtectionMethods/app.py at master · VolodymyrKovalenko/InformationProtectionMethods · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
from flask import Flask, render_template, request, redirect, url_for, jsonify, json
import string
import re
import os
from Crypto.Cipher import DES

from TritemiusModule import TritemiusChifr
from CaesarModule import CaesarChifr
from GamblingModule import GamblingChifr
from BookingChifrModule import BookingChifr
from BackpackModule import BackpackChifr

app = Flask(__name__)

@app.route('/', methods=['GET', 'POST'])
def caesar_app():
    if request.method == 'POST':
        inp_text = request.form['InpText']
        input_key = int(request.form['InpKey'])
        obj = CaesarChifr(inp_text, input_key)
        obj.CreateAlphabet()
        if 'encr_form' in request.form:
            res_message = obj.encr()
            return render_template('MainPage.html', data_encr=res_message)
        elif 'decr_form' in request.form:
            res_message = obj.decr()
            return render_template('MainPage.html', data_decr=res_message)

    return render_template('MainPage.html')


@app.route('/tritemius', methods=['GET', 'POST'])
def tritemius_app():
    if request.method == 'POST':
        input_array = []
        input_text = request.form['InpText']
        radio_option = request.form.get('trt_radio')
        if radio_option == 1:
            input_array.append(request.form['InpKey'])

        elif radio_option == 2:
            input_array.extend((int(request.form['InpKey1']), int(request.form['InpKey2'])))

        else:
            input_array.extend((int(request.form['InpKey31']), int(request.form['InpKey32']), int(request.form['InpKey33'])))

        obj = TritemiusChifr(input_text, input_array)
        obj.find_key()
        obj.CreateAlphabet()
        if 'encr_form' in request.form:
            res_message = obj.encr()
            return render_template('TritemiusPage.html', data_encr=res_message)
        elif 'decr_form' in request.form:
            res_message = obj.decr()
            return render_template('TritemiusPage.html', data_decr=res_message)

    return render_template('TritemiusPage.html')


@app.route('/gambling', methods=['GET', 'POST'])
def gambling_app():
    if request.method == 'POST':
        input_text = request.form['InpText']
        input_key = int(request.form['InpKey'])
        obj = GamblingChifr(input_text, input_key)
        obj.CreateAlphabet()
        obj.find_gambling_key()
        if 'encr_form' in request.form:
            res_message = obj.encr()
            return render_template('Gambling.html', data_encr=res_message)
        elif 'decr_form' in request.form:
            res_message = obj.decr()
            return render_template('Gambling.html', data_decr=res_message)
    return render_template('Gambling.html')

@app.route('/bookish',methods=['GET','POST'])
def bookish_app():
    if request.method == 'POST':
        input_text = request.form['InpText']
        input_key = request.form['InpKey']
        obj = BookingChifr(input_text,input_key)
        obj.split_booking_key()
        if 'encr_form' in request.form:
            res_message = obj.encr_booking()
            return render_template('BookishChifrPage.html', data_encr=res_message)
        elif 'decr_form' in request.form:
            res_message = obj.decr_booking()
            return render_template('BookishChifrPage.html', data_decr=res_message)

    return render_template('BookishChifrPage.html')

@app.route('/des_aes',methods=['GET','POST'])
def des_aes_app():
    if request.method == 'POST':
        input_text = request.form['InpText']
        input_key = request.form['InpKey']
        iv = request.form['init_vector']
        input_des_method = request.form.get('des_method')
        mode_option = {
            'ECB': DES.MODE_ECB,
            'CBC': DES.MODE_CBC,
            'CFB': DES.MODE_CFB,
            'OFB': DES.MODE_OFB,
            'CTR': DES.MODE_CTR
        }
        try:
            des_mode = mode_option[input_des_method]
        except KeyError:
            des_mode = None
        try:
            obj = DES.new(input_key, des_mode,iv)
        except ValueError:
            return render_template('DesChifr.html', data_encr='Key and initialization vector must be 8 bytes long')

        if 'encr_form' in request.form:
            try:
                res_message = obj.encrypt(input_text)
            except ValueError:
                return render_template('DesChifr.html',data_encr='Input strings must be a multiple of 8 in length. Length {} instead.'.format(len(input_text)))

            res_message = res_message.decode("latin-1")
            return render_template('DesChifr.html', data_encr=res_message)
        elif 'decr_form' in request.form:
            input_text = input_text.encode("latin-1")
            try:
                res_message = obj.decrypt(input_text)
            except ValueError:
                return render_template('DesChifr.html',data_decr = 'Input strings must be a multiple of 8 in length. Length {} instead.'.format(len(input_text)))
            res_message = res_message.decode("latin-1")
            return render_template('DesChifr.html',data_decr=res_message)
    return render_template('DesChifr.html')

@app.errorhandler(404)
def page_not_found(e):
    return render_template('404.html'), 404

@app.route('/backpack', methods=['GET', 'POST'])
def backpack_app():
    if request.method == 'POST':
        if 'encr_form' in request.form:
            text = request.form['InpText']
            open_key = request.form['OpenKey']
            obj = BackpackChifr(text,None,None,None,open_key)
            res_message = obj.encr()

            return render_template('BackpackChifrPage.html', data_encr=res_message)
        elif 'decr_form' in request.form:
            text = request.form['InpText']
            private_key = request.form['InpKey']
            m = int(request.form['InpKeyM'])
            t = int(request.form['InpKeyT'])
            obj = BackpackChifr(text,private_key, m, t, None)
            res_message = obj.decr()

            return render_template('BackpackChifrPage.html', data_decr=res_message)
    return render_template('BackpackChifrPage.html')


if __name__ == '__main__':
    app.run(debug=True)