├── .github └── workflows │ ├── ci.yaml │ └── codeql-analysis.yml ├── .gitignore ├── LICENSE ├── README.md ├── icon.png ├── requirements.txt ├── screenshot.png └── src ├── .gitignore ├── pyRanoid ├── .gitignore ├── __init__.py ├── cli.py ├── gui.py └── utils.py └── tests └── test_utils.py /.github/workflows/ci.yaml: -------------------------------------------------------------------------------- 1 | name: Tests 2 | on: 3 | push: 4 | branches: 5 | - master 6 | pull_request: 7 | branches: 8 | - master 9 | 10 | jobs: 11 | build: 12 | runs-on: ubuntu-latest 13 | steps: 14 | - uses: actions/checkout@v2 15 | - name: Install Python 3 16 | uses: actions/setup-python@v1 17 | with: 18 | python-version: 3.9 19 | - name: Install dependencies 20 | run: | 21 | python -m pip install --upgrade pip 22 | pip install -r requirements.txt 23 | - name: Run tests with pytest 24 | run: pytest 25 | -------------------------------------------------------------------------------- /.github/workflows/codeql-analysis.yml: -------------------------------------------------------------------------------- 1 | # For most projects, this workflow file will not need changing; you simply need 2 | # to commit it to your repository. 3 | # 4 | # You may wish to alter this file to override the set of languages analyzed, 5 | # or to provide custom queries or build logic. 6 | name: "CodeQL" 7 | 8 | on: 9 | push: 10 | branches: [master] 11 | pull_request: 12 | # The branches below must be a subset of the branches above 13 | branches: [master] 14 | schedule: 15 | - cron: '0 5 * * 4' 16 | 17 | jobs: 18 | analyze: 19 | name: Analyze 20 | runs-on: ubuntu-latest 21 | 22 | strategy: 23 | fail-fast: false 24 | matrix: 25 | # Override automatic language detection by changing the below list 26 | # Supported options are ['csharp', 'cpp', 'go', 'java', 'javascript', 'python'] 27 | language: ['python'] 28 | # Learn more... 29 | # https://docs.github.com/en/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#overriding-automatic-language-detection 30 | 31 | steps: 32 | - name: Checkout repository 33 | uses: actions/checkout@v2 34 | 35 | # Initializes the CodeQL tools for scanning. 36 | - name: Initialize CodeQL 37 | uses: github/codeql-action/init@v1 38 | with: 39 | languages: ${{ matrix.language }} 40 | # If you wish to specify custom queries, you can do so here or in a config file. 41 | # By default, queries listed here will override any specified in a config file. 42 | # Prefix the list here with "+" to use these queries and those in the config file. 43 | # queries: ./path/to/local/query, your-org/your-repo/queries@main 44 | 45 | # Autobuild attempts to build any compiled languages (C/C++, C#, or Java). 46 | # If this step fails, then you should remove it and run the build manually (see below) 47 | - name: Autobuild 48 | uses: github/codeql-action/autobuild@v1 49 | 50 | # ℹ️ Command-line programs to run using the OS shell. 51 | # 📚 https://git.io/JvXDl 52 | 53 | # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines 54 | # and modify them (or add more) to build your code if your project 55 | # uses a compiled language 56 | 57 | #- run: | 58 | # make bootstrap 59 | # make release 60 | 61 | - name: Perform CodeQL Analysis 62 | uses: github/codeql-action/analyze@v1 63 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | output.png 2 | __pycache__ 3 | .vscode 4 | *.pem 5 | *.tar.gz* -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 2, June 1991 3 | 4 | Copyright (C) 1989, 1991 Free Software Foundation, Inc., 5 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 6 | Everyone is permitted to copy and distribute verbatim copies 7 | of this license document, but changing it is not allowed. 8 | 9 | Preamble 10 | 11 | The licenses for most software are designed to take away your 12 | freedom to share and change it. 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It is safest 289 | to attach them to the start of each source file to most effectively 290 | convey the exclusion of warranty; and each file should have at least 291 | the "copyright" line and a pointer to where the full notice is found. 292 | 293 | 294 | Copyright (C) 295 | 296 | This program is free software; you can redistribute it and/or modify 297 | it under the terms of the GNU General Public License as published by 298 | the Free Software Foundation; either version 2 of the License, or 299 | (at your option) any later version. 300 | 301 | This program is distributed in the hope that it will be useful, 302 | but WITHOUT ANY WARRANTY; without even the implied warranty of 303 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 304 | GNU General Public License for more details. 305 | 306 | You should have received a copy of the GNU General Public License along 307 | with this program; if not, write to the Free Software Foundation, Inc., 308 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 309 | 310 | Also add information on how to contact you by electronic and paper mail. 311 | 312 | If the program is interactive, make it output a short notice like this 313 | when it starts in an interactive mode: 314 | 315 | Gnomovision version 69, Copyright (C) year name of author 316 | Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 317 | This is free software, and you are welcome to redistribute it 318 | under certain conditions; type `show c' for details. 319 | 320 | The hypothetical commands `show w' and `show c' should show the appropriate 321 | parts of the General Public License. Of course, the commands you use may 322 | be called something other than `show w' and `show c'; they could even be 323 | mouse-clicks or menu items--whatever suits your program. 324 | 325 | You should also get your employer (if you work as a programmer) or your 326 | school, if any, to sign a "copyright disclaimer" for the program, if 327 | necessary. Here is a sample; alter the names: 328 | 329 | Yoyodyne, Inc., hereby disclaims all copyright interest in the program 330 | `Gnomovision' (which makes passes at compilers) written by James Hacker. 331 | 332 | , 1 April 1989 333 | Ty Coon, President of Vice 334 | 335 | This General Public License does not permit incorporating your program into 336 | proprietary programs. If your program is a subroutine library, you may 337 | consider it more useful to permit linking proprietary applications with the 338 | library. If this is what you want to do, use the GNU Lesser General 339 | Public License instead of this License. 340 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # PyRanoid :lock: ![Tests](https://github.com/omnone/pyRanoid/workflows/Tests/badge.svg) ![CodeQL](https://github.com/omnone/pyRanoid/workflows/CodeQL/badge.svg) 2 | **PyRanoid** is a Python program designed to provide advanced encryption and steganography capabilities for your files. It utilizes AES 256 encryption to securely encrypt your files and then employs steganography techniques to hide the encrypted data within an image. Currently tested with Python 3.9. 3 | 4 | 5 | 6 | ## Requirements 7 |
    8 |
  • Python 3.9 or higher
    • 9 |
  • Dependencies (listed in the requirements.txt file)
    • 10 |
  • OpenSSL
    • 11 |
12 | 13 | ## Contributing 14 | Contributions to PyRanoid are welcome! If you encounter any issues or have ideas for enhancements, please feel free to submit a pull request or create an issue in the project's repository. 15 | -------------------------------------------------------------------------------- /icon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/omnone/pyRanoid/277df01354ca9d4fc6b83e8c8b9b3d72e99640ac/icon.png -------------------------------------------------------------------------------- /requirements.txt: -------------------------------------------------------------------------------- 1 | Pillow 2 | pyfiglet==0.8.post1 3 | InquirerPy 4 | pytest==6.1.1 5 | prompt-toolkit 6 | tqdm==4.43.0 7 | ttkthemes==3.1.1 8 | termcolor==1.1.0 9 | -------------------------------------------------------------------------------- /screenshot.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/omnone/pyRanoid/277df01354ca9d4fc6b83e8c8b9b3d72e99640ac/screenshot.png -------------------------------------------------------------------------------- /src/.gitignore: -------------------------------------------------------------------------------- 1 | __pycache__ 2 | *.tar.gz -------------------------------------------------------------------------------- /src/pyRanoid/.gitignore: -------------------------------------------------------------------------------- 1 | /__pycache__ 2 | *.png 3 | *.pem 4 | *.png 5 | *.jpg -------------------------------------------------------------------------------- /src/pyRanoid/__init__.py: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/omnone/pyRanoid/277df01354ca9d4fc6b83e8c8b9b3d72e99640ac/src/pyRanoid/__init__.py -------------------------------------------------------------------------------- /src/pyRanoid/cli.py: -------------------------------------------------------------------------------- 1 | import utils as utils 2 | import pyfiglet 3 | from InquirerPy import prompt 4 | from InquirerPy.validator import PathValidator 5 | import sys 6 | from termcolor import colored 7 | 8 | 9 | print("\------------------------------------------------------------------------------------------------") 10 | print(pyfiglet.figlet_format("pyRanoid")+"\n") 11 | print(colored("(github.com/omnone/pyRanoid)", "cyan")) 12 | print("\------------------------------------------------------------------------------------------------") 13 | 14 | questions = [ 15 | { 16 | "type": "list", 17 | "name": "op", 18 | "message": "Select an operation:", 19 | "choices": ["Encrypt to an image", "Decrypt from an image", "Quit"], 20 | }, 21 | { 22 | "type": "input", 23 | "name": "image_path", 24 | "message": "Enter image path:", 25 | "validate": PathValidator("Path is not valid"), 26 | "when": lambda user_input: user_input["op"] != "Quit" 27 | 28 | }, 29 | { 30 | "type": "input", 31 | "name": "target_path", 32 | "message": "Enter target path:", 33 | "validate": PathValidator("Path is not valid"), 34 | "when": lambda user_input: user_input["op"] != "Decrypt from an image" and 35 | user_input["op"] != "Quit" 36 | }, 37 | { 38 | "type": "password", 39 | "name": "passw", 40 | "message": "Enter password:", 41 | "when": lambda user_input: user_input["op"] != "Quit" 42 | 43 | }, 44 | { 45 | "type": "password", 46 | "name": "passw_verify", 47 | "message": "Reenter password:", 48 | "when": lambda user_input: user_input["op"] != "Quit" 49 | 50 | } 51 | 52 | ] 53 | 54 | user_input = prompt(questions) 55 | 56 | if user_input["op"] == "Encrypt to an image": 57 | 58 | if user_input["passw"] == user_input["passw_verify"]: 59 | utils.encrypt_image( 60 | user_input["image_path"], user_input["target_path"], 61 | password=user_input["passw"]) 62 | else: 63 | print("Passwords dont match") 64 | 65 | 66 | elif user_input["op"] == "Decrypt from an image": 67 | 68 | decrypted_msg = utils.decrypt_image( 69 | user_input["image_path"], password=user_input["passw"]) 70 | 71 | else: 72 | sys.exit(0) 73 | -------------------------------------------------------------------------------- /src/pyRanoid/gui.py: -------------------------------------------------------------------------------- 1 | # ============================================================================================ 2 | # MIT License 3 | # Copyright (c) 2020 Konstantinos Bourantas 4 | 5 | # Permission is hereby granted, free of charge, to any person obtaining a copy 6 | # of this software and associated documentation files (the "Software"), to deal 7 | # in the Software without restriction, including without limitation the rights 8 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | # copies of the Software, and to permit persons to whom the Software is 10 | # furnished to do so, subject to the following conditions: 11 | 12 | # The above copyright notice and this permission notice shall be included in all 13 | # copies or substantial portions of the Software. 14 | 15 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | # SOFTWARE. 22 | # ============================================================================================ 23 | import utils 24 | import tkinter as tk 25 | import tkinter.ttk as ttk 26 | from tkinter import filedialog 27 | import threading 28 | from ttkthemes import ThemedTk 29 | import sys 30 | import pyfiglet 31 | from PIL import ImageTk, Image 32 | import os 33 | 34 | import logging 35 | logging.basicConfig(level=logging.DEBUG) 36 | # ============================================================================================ 37 | 38 | 39 | class pyRanoid: 40 | def __init__(self, root, image=None): 41 | 42 | root.minsize(1000, 500) 43 | root.title("PyRanoid") 44 | root.resizable(False, False) 45 | 46 | # icon made by : https://www.flaticon.com/authors/becris 47 | self.base_path = os.path.dirname(__file__) 48 | icon_path = os.path.join(self.base_path, "../../icon.png") 49 | 50 | try: 51 | ico = Image.open(os.path.abspath(os.path.realpath(icon_path))) 52 | except Exception: 53 | logging.error("Exception:", exc_info=True) 54 | else: 55 | photo = ImageTk.PhotoImage(ico) 56 | root.wm_iconphoto(False, photo) 57 | 58 | self.export_checkbox = None 59 | self.export_opt = 0 60 | self.image_path = None 61 | self.target_path = None 62 | self.rsa_key_path = None 63 | self.target_to_encrypt = None 64 | 65 | self.root = root 66 | 67 | self.inputs_frame = ttk.Frame(root, borderwidth=1, relief=tk.SUNKEN) 68 | self.inputs_frame.grid(row=0, column=0, pady=10, 69 | padx=30, sticky=tk.W+tk.E) 70 | self.inputs_frame["padding"] = (5, 20, 5, 20) 71 | 72 | self.output_frame = ttk.Frame(root, borderwidth=1, relief=tk.SUNKEN) 73 | self.output_frame.grid(row=6, column=0, rowspan=8, 74 | pady=5, padx=10, sticky=tk.W+tk.E) 75 | self.output_frame["padding"] = (5, 0, 5, 0) 76 | self.output_frame.columnconfigure(0, weight=1) 77 | 78 | self.image_frame = ttk.Frame(self.inputs_frame) 79 | self.image_frame.grid(row=2, column=2, rowspan=10, 80 | columnspan=10, pady=30, padx=30) 81 | 82 | # ----------------------------------------------- 83 | # operation type combobox 84 | self.op_type = tk.StringVar() 85 | self.op_label = ttk.Label( 86 | self.inputs_frame, text="Operation Type:") 87 | self.op_label.grid(row=0, column=0, sticky=tk.W) 88 | self.op_dropdown = ttk.Combobox( 89 | self.inputs_frame, textvariable=self.op_type, 90 | state="readonly", width=27) 91 | self.op_dropdown.grid(row=1, column=0, sticky=tk.W) 92 | self.op_dropdown["values"] = ("encrypt", "decrypt") 93 | self.op_dropdown.current(0) 94 | self.op_dropdown.bind( 95 | "<>", lambda _: self.op_type_changed()) 96 | 97 | # -------------------------------------------------------------------------------------------- 98 | # Input type combobox 99 | self.input_type = tk.StringVar() 100 | self.input_label = ttk.Label(self.inputs_frame, text="Input Type:") 101 | self.input_label.grid(row=0, column=1, sticky=tk.W) 102 | self.input_dropdown = ttk.Combobox( 103 | self.inputs_frame, textvariable=self.input_type, 104 | state="readonly", width=27) 105 | self.input_dropdown.grid(row=1, column=1, sticky=tk.W) 106 | self.input_dropdown["values"] = ("File", ) 107 | self.input_dropdown.current(0) 108 | self.input_dropdown.bind( 109 | "<>", lambda _: self.input_type_changed()) 110 | 111 | # -------------------------------------------------------------------------------------------- 112 | # Image selection 113 | self.source_img_path_label = ttk.Label( 114 | self.inputs_frame, text="Image Path:") 115 | self.source_img_path_label.grid(row=2, column=0, sticky=tk.W) 116 | 117 | self.source_img_path_input = ttk.Entry(self.inputs_frame, width="50") 118 | self.source_img_path_input.grid(row=3, column=0, sticky=tk.W) 119 | 120 | self.img_picker_btn = ttk.Button(self.inputs_frame, text="Open", width=8, 121 | command=lambda: self.select_image_file()) 122 | self.img_picker_btn.grid(row=3, column=1, sticky=tk.W) 123 | 124 | # -------------------------------------------------------------------------------------------- 125 | # target file selection 126 | self.target_path_label = ttk.Label( 127 | self.inputs_frame, text="Target Path:") 128 | self.target_path_label.grid(row=4, column=0, sticky=tk.W) 129 | 130 | self.target_path_entry = ttk.Entry(self.inputs_frame, width="50") 131 | self.target_path_entry.grid(row=5, column=0, sticky=tk.W) 132 | 133 | self.target_picker_btn = ttk.Button(self.inputs_frame, text="Open", width=8, 134 | command=lambda: self.select_target_file()) 135 | self.target_picker_btn.grid(row=5, column=1, sticky=tk.W) 136 | 137 | self.text_msg_label = ttk.Label( 138 | self.inputs_frame, text="Text Message:") 139 | self.text_msg_entry = ttk.Entry(self.inputs_frame, width="50") 140 | # -------------------------------------------------------------------------------------------- 141 | # password input 142 | self.password_label = ttk.Label(self.inputs_frame, text="Password:") 143 | self.password_label.grid(row=6, column=0, sticky=tk.W) 144 | 145 | self.password_entry = ttk.Entry( 146 | self.inputs_frame, show="*", width="30") 147 | self.password_entry.grid(row=7, column=0, sticky=tk.W) 148 | 149 | # -------------------------------------------------------------------------------------------- 150 | # Text area 151 | self.text_area = tk.Text(self.output_frame, height=18, 152 | width=95, bg="black", fg="darkorchid1", 153 | insertbackground="darkorchid1") 154 | self.text_area.config(state="normal") 155 | self.text_area.grid(row=8, column=0, rowspan=2, 156 | sticky=tk.W+tk.E+tk.N+tk.S, pady=5) 157 | 158 | self.text_area.columnconfigure(0, weight=1) 159 | self.output_frame.columnconfigure(0, weight=1) 160 | self.root.columnconfigure(0, weight=1) 161 | 162 | # # -------------------------------------------------------------------------------------------- 163 | # # ascii banner 164 | self.ascii_banner = pyfiglet.figlet_format("pyRanoid") 165 | self.text_area.insert( 166 | tk.END, f"{self.ascii_banner}\n*Stay safe, use a strong password!\n-------------------------------------------------------------------------------------------") 167 | 168 | # # -------------------------------------------------------------------------------------------- 169 | # progress bar 170 | self.progress_bar = ttk.Progressbar( 171 | self.output_frame, orient="horizontal", 172 | length=650, mode="indeterminate") 173 | self.progress_bar.columnconfigure(0, weight=1) 174 | 175 | # # -------------------------------------------------------------------------------------------- 176 | # # cancel button 177 | self.cancel_btn = ttk.Button(self.output_frame, text="Exit", width=8, 178 | command=lambda: sys.exit(0)) 179 | self.cancel_btn.grid(row=13, column=3, sticky=tk.E, pady=10) 180 | 181 | self.op_type_changed() 182 | self.input_type_changed() 183 | 184 | self.root.mainloop() 185 | # -------------------------------------------------------------------------------------------- 186 | 187 | def op_handler(self): 188 | """encrypt/decrypt operations on selected image""" 189 | if self.input_type.get() == "Text": 190 | self.target_to_encrypt = self.text_msg_entry.get() 191 | else: 192 | self.target_to_encrypt = self.target_path 193 | 194 | if self.op_type.get() == "encrypt": 195 | password_score = self.password_score( 196 | self.password_entry.get().strip("\n")) 197 | 198 | if password_score <= 3: 199 | utils.log_handler( 200 | self, f"[!]Caution your password is weak!") 201 | 202 | utils.log_handler( 203 | self, f"[*]Encrypting {self.target_to_encrypt}...") 204 | self.worker_thread = threading.Thread( 205 | target=utils.encrypt_image, args=(self.source_img_path_input.get(), 206 | self.target_to_encrypt, self)) 207 | 208 | else: 209 | utils.log_handler(self, f"[*]Decrypting {self.image_path}") 210 | 211 | self.worker_thread = threading.Thread( 212 | target=utils.decrypt_image, args=(self.source_img_path_input.get(), self)) 213 | 214 | self.progress_bar.grid(row=5, column=0, sticky=tk.W) 215 | self.progress_bar.start() 216 | 217 | self.worker_thread.daemon = True 218 | self.worker_thread.start() 219 | self.root.after(100, self.progress_handler) 220 | # -------------------------------------------------------------------------------------------- 221 | 222 | def progress_handler(self): 223 | 224 | if (self.worker_thread.is_alive()): 225 | self.root.after(100, self.progress_handler) 226 | return 227 | else: 228 | self.progress_bar.stop() 229 | self.progress_bar.grid_remove() 230 | 231 | # -------------------------------------------------------------------------------------------- 232 | 233 | def input_type_changed(self): 234 | if (self.input_type.get() == "Text"): 235 | self.text_msg_label.grid(row=4, column=0, sticky=tk.W) 236 | self.text_msg_entry.grid(row=5, column=0, sticky=tk.W) 237 | self.target_path_label.grid_remove() 238 | self.target_path_entry.grid_remove() 239 | self.target_picker_btn.grid_remove() 240 | else: 241 | self.target_path_label.grid(row=4, column=0, sticky=tk.W) 242 | self.target_path_entry.grid(row=5, column=0, sticky=tk.W) 243 | self.target_picker_btn.grid(row=5, column=1, sticky=tk.W) 244 | self.text_msg_label.grid_remove() 245 | self.text_msg_entry.grid_remove() 246 | # -------------------------------------------------------------------------------------------- 247 | 248 | def op_type_changed(self): 249 | selected_op = self.op_type.get() 250 | if selected_op == "encrypt": 251 | if self.export_checkbox: 252 | self.export_checkbox.grid_remove() 253 | self.input_type_changed() 254 | else: 255 | self.target_path_label.grid_remove() 256 | self.target_path_entry.grid_remove() 257 | self.target_picker_btn.grid_remove() 258 | self.text_msg_entry.grid_remove() 259 | self.text_msg_label.grid_remove() 260 | 261 | # encrypt/decrypt button 262 | self.image_op_btn = ttk.Button(self.inputs_frame, text=selected_op, width=8, 263 | command=lambda: self.op_handler(), 264 | state="normal" if self.image_path else "disabled") 265 | self.image_op_btn.grid(row=1, column=2) 266 | 267 | # -------------------------------------------------------------------------------------------- 268 | 269 | def select_image_file(self): 270 | """Open an image from a directory""" 271 | # Select the Imagename from a folder 272 | tk.Tk().withdraw() 273 | self.image_path = filedialog.askopenfilename(title="Open Image", filetypes=[ 274 | ("Image Files", ".png .jpg .jpeg")]) 275 | self.source_img_path_input.delete(0, tk.END) 276 | self.source_img_path_input.insert(tk.INSERT, self.image_path) 277 | 278 | # opens the image 279 | source_image = Image.open(self.image_path) 280 | 281 | max_width = 300 282 | width, height = source_image.size 283 | aspect_ratio = width / height 284 | scaled_width = min(width, max_width) 285 | scaled_height = int(scaled_width / aspect_ratio) 286 | 287 | # resize the image and apply a high-quality down sampling filter 288 | source_image = source_image.resize( 289 | (scaled_width, scaled_height), Image.ANTIALIAS) 290 | 291 | # PhotoImage class is used to add image to widgets, icons etc 292 | source_image = ImageTk.PhotoImage(source_image) 293 | 294 | # create a label 295 | self.panel = ttk.Label(self.image_frame, image=source_image) 296 | 297 | # set the image as source_image 298 | self.panel.image = source_image 299 | self.panel.grid(row=6, column=3, padx=5) 300 | 301 | try: 302 | self.image_op_btn["state"] = "normal" 303 | except Exception: 304 | logging.error("Exception:", exc_info=True) 305 | 306 | # -------------------------------------------------------------------------------------------- 307 | 308 | def select_target_file(self): 309 | """Select file to encrypt from a directory""" 310 | tk.Tk().withdraw() 311 | self.target_path = filedialog.askopenfilename(title="Select File") 312 | self.target_path_entry.delete(0, tk.END) 313 | self.target_path_entry.insert(tk.INSERT, self.target_path) 314 | 315 | try: 316 | self.image_op_btn["state"] = "normal" 317 | except Exception: 318 | logging.error("Exception:", exc_info=True) 319 | 320 | # -------------------------------------------------------------------------------------------- 321 | 322 | def password_score(self, password): 323 | score = 0 324 | 325 | if len(password) >= 8: 326 | score += 1 327 | 328 | if any(char.isupper() for char in password): 329 | score += 1 330 | if any(char.islower() for char in password): 331 | score += 1 332 | if any(char.isdigit() for char in password): 333 | score += 1 334 | if any(not char.isalnum() for char in password): 335 | score += 1 336 | 337 | unique_chars = set(password) 338 | if len(unique_chars) >= len(password) / 2: 339 | score += 1 340 | 341 | return score 342 | 343 | 344 | if __name__ == "__main__": 345 | root = ThemedTk(background=True, theme="equilux") 346 | pyRanoid(root) 347 | -------------------------------------------------------------------------------- /src/pyRanoid/utils.py: -------------------------------------------------------------------------------- 1 | # ============================================================================================ 2 | # MIT License 3 | # Copyright (c) 2020 Konstantinos Bourantas 4 | 5 | # Permission is hereby granted, free of charge, to any person obtaining a copy 6 | # of this software and associated documentation files (the "Software"), to deal 7 | # in the Software without restriction, including without limitation the rights 8 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | # copies of the Software, and to permit persons to whom the Software is 10 | # furnished to do so, subject to the following conditions: 11 | 12 | # The above copyright notice and this permission notice shall be included in all 13 | # copies or substantial portions of the Software. 14 | 15 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | # SOFTWARE. 22 | # Part of the code was taken from: 23 | # https://itnext.io/steganography-101-lsb-introduction-with-python-4c4803e08041 24 | # ============================================================================================ 25 | 26 | import datetime 27 | from hashlib import pbkdf2_hmac 28 | import subprocess 29 | import tarfile 30 | from PIL import Image 31 | import tkinter as tk 32 | import os 33 | from shutil import which 34 | 35 | buffer_size = 64 * 1024 36 | _OPENSSL_EXECUTABLE = which("openssl") 37 | 38 | if not _OPENSSL_EXECUTABLE: 39 | raise Exception("You need to install openssl!") 40 | 41 | TAR_FILE_PATH = "output.tar.gz" 42 | FINAL_PNG_PATH = "output.png" 43 | ENCR_FILE_PATH = "output.prnd" 44 | 45 | # -------------------------------------------------------------------------------------------- 46 | 47 | 48 | def file_to_bin(file_path): 49 | with open(file_path, "rb") as file: 50 | file_data = file.read() 51 | return "".join(format(byte, "08b") for byte in file_data) 52 | # -------------------------------------------------------------------------------------------- 53 | 54 | 55 | def str_to_bin(input): 56 | return "".join(format(ord(char), "08b") for char in input) 57 | 58 | # -------------------------------------------------------------------------------------------- 59 | 60 | 61 | def int_to_bin(x): 62 | return "{0:b}".format(x) 63 | 64 | 65 | # -------------------------------------------------------------------------------------------- 66 | 67 | 68 | def log_handler(gui, msg): 69 | msg = f"\n[{datetime.datetime.now()}] {msg}" 70 | if gui: 71 | gui.text_area.insert(tk.END, msg) 72 | else: 73 | print(msg) 74 | 75 | # -------------------------------------------------------------------------------------------- 76 | 77 | 78 | def encrypt_image(image_path, target_path, gui=None, **kwargs): 79 | 80 | output_path = None 81 | 82 | try: 83 | if os.path.isfile(target_path): 84 | password = gui.password_entry.get().strip( 85 | "\n") if gui else kwargs["password"] 86 | 87 | output_path, err = encryption_handler(target_path, 88 | password) 89 | 90 | if err: 91 | raise Exception("Encryption failed!") 92 | 93 | log_handler(gui, "[+]Encryption finished!") 94 | else: 95 | return 96 | 97 | except Exception as e: 98 | log_handler(gui, f"[-]Exception occured: {e}") 99 | 100 | return 101 | 102 | try: 103 | log_handler(gui, f"[*]Writing encrypted file to image {image_path}") 104 | 105 | file_contents = file_to_bin(output_path) 106 | file_total_bytes = len(file_contents) 107 | file_length = int_to_bin(file_total_bytes) 108 | 109 | # save all information in order to be able to locate the hidden data 110 | data_to_hide = format(len(file_length), "b").zfill(8) + \ 111 | file_length + file_contents 112 | 113 | with Image.open(image_path) as img: 114 | width, height = img.size 115 | bit_counter = pixel_count = 0 116 | image_capacity = (width*height*3)//8 117 | pixels_needed = (file_total_bytes * 8) // 3 118 | 119 | log_handler(gui, f"[*]Going to need {pixels_needed} pixels") 120 | 121 | if image_capacity < file_total_bytes: 122 | raise Exception( 123 | f'[-]You need a bigger image! your file is {file_total_bytes} bytes but your image fits up to {image_capacity}.') 124 | 125 | for x in range(0, width): 126 | for y in range(0, height): 127 | if pixel_count >= pixels_needed: 128 | break 129 | 130 | pixel = list(img.getpixel((x, y))) 131 | 132 | for n in range(0, 3): 133 | if (bit_counter < len(data_to_hide)): 134 | pixel[n] = pixel[n] & 0 | int( 135 | data_to_hide[bit_counter]) 136 | bit_counter += 1 137 | 138 | img.putpixel((x, y), tuple(pixel)) 139 | pixel_count += 1 140 | 141 | final_img_path = os.path.join(os.path.dirname( 142 | image_path), FINAL_PNG_PATH) 143 | 144 | img.save(final_img_path, "PNG") 145 | 146 | log_handler( 147 | gui, "[+]Encryption finished!") 148 | 149 | except Exception as e: 150 | log_handler(gui, f"[-]Exception occured: {e}") 151 | else: 152 | log_handler(gui, f"[+]Final image ready {final_img_path}") 153 | finally: 154 | if output_path and os.path.exists(output_path): 155 | os.remove(output_path) 156 | 157 | if gui: 158 | gui.image_op_btn["state"] = "normal" 159 | else: 160 | return True 161 | 162 | # -------------------------------------------------------------------------------------------- 163 | 164 | 165 | def decrypt_image(image_path, gui=None, **kwargs): 166 | 167 | password = gui.password_entry.get().strip( 168 | "\n") if gui else kwargs["password"] 169 | 170 | if gui: 171 | gui.image_op_btn["state"] = "disable" 172 | 173 | try: 174 | extracted_bin = [] 175 | 176 | with Image.open(image_path) as img: 177 | width, height = img.size 178 | extraction_completed = False 179 | length = length_of_data = None 180 | 181 | for x in range(0, width): 182 | if extraction_completed: 183 | break 184 | 185 | for y in range(0, height): 186 | pixel = list(img.getpixel((x, y))) 187 | 188 | for n in range(0, 3): 189 | extracted_bin.append(pixel[n] & 1) 190 | 191 | if length is None and len(extracted_bin) >= 8: 192 | length = int( 193 | "".join([str(i) for i in extracted_bin[0:8]]), 2) 194 | 195 | if length is not None and \ 196 | len(extracted_bin) >= 8 + length: 197 | length_of_data = int("".join([str(i) 198 | for i in extracted_bin[8:length+8]]), 2) 199 | 200 | if length_of_data is not None and \ 201 | len(extracted_bin) >= 8 + length + length_of_data: 202 | extraction_completed = True 203 | 204 | if extraction_completed: 205 | break 206 | 207 | if length is not None: 208 | binary_msg = int( 209 | "".join([str(extracted_bin[i+8+length]) for i in range(length_of_data)]), 2) 210 | else: 211 | raise Exception( 212 | f"[-]Couldn't extract hidden file from {image_path}, image file is corrupted!") 213 | 214 | decrypted_msg = binary_msg.to_bytes( 215 | (binary_msg.bit_length() + 7) // 8, "big") 216 | 217 | with open(ENCR_FILE_PATH, "wb") as f: 218 | f.write(decrypted_msg) 219 | 220 | _, err = encryption_handler(ENCR_FILE_PATH, password, decrypt=True) 221 | 222 | if err: 223 | raise Exception("Decryption failed!") 224 | 225 | except Exception as e: 226 | log_handler(gui, f"[-]Exception occured: {e}") 227 | else: 228 | extract_tar_archive(TAR_FILE_PATH, ".") 229 | 230 | log_handler( 231 | gui, f"[+]Hidden file has been exported succesfuly to {os.getcwd()}") 232 | finally: 233 | if os.path.exists(TAR_FILE_PATH): 234 | os.remove(TAR_FILE_PATH) 235 | 236 | if os.path.exists(ENCR_FILE_PATH): 237 | os.remove(ENCR_FILE_PATH) 238 | 239 | if gui: 240 | gui.image_op_btn["state"] = "normal" 241 | 242 | # -------------------------------------------------------------------------------------------- 243 | 244 | 245 | def create_tar_archive(source_file, filename): 246 | tar_path = filename.split(".")[0] 247 | 248 | with tarfile.open(tar_path, "w") as tar: 249 | tar.add(source_file, arcname=filename) 250 | 251 | return tar_path 252 | 253 | # -------------------------------------------------------------------------------------------- 254 | 255 | 256 | def extract_tar_archive(archive_file, output_directory): 257 | with tarfile.open(archive_file, "r") as tar: 258 | tar.extractall(output_directory) 259 | 260 | # -------------------------------------------------------------------------------------------- 261 | 262 | 263 | def encryption_handler(target_filepath, password, decrypt=False): 264 | 265 | target_filename = os.path.basename(target_filepath) 266 | 267 | open_ssl_cmd = [_OPENSSL_EXECUTABLE, "enc"] 268 | 269 | if decrypt: 270 | open_ssl_cmd.append("-d") 271 | else: 272 | target_filename = create_tar_archive(target_filepath, target_filename) 273 | 274 | final_path = target_filename.split( 275 | ".prnd")[0]+".tar.gz" if decrypt else target_filename + ".prnd" 276 | 277 | open_ssl_cmd.extend(["-aes-256-cbc", "-in", target_filename, 278 | "-out", final_path, "-md", "sha256", 279 | "-pass", "stdin"]) 280 | 281 | password = password.encode("utf8") 282 | 283 | process = subprocess.Popen(open_ssl_cmd, 284 | stdin=subprocess.PIPE, 285 | stdout=subprocess.PIPE, 286 | stderr=subprocess.PIPE) 287 | encr_key = pbkdf2_hmac( 288 | "sha256", password, password[::-1], 20000) 289 | 290 | _, stderr = process.communicate(input=encr_key) 291 | 292 | if not decrypt: 293 | os.remove(target_filename) 294 | 295 | if process.returncode != 0: 296 | return None, stderr.decode("utf-8") 297 | 298 | return final_path, None 299 | -------------------------------------------------------------------------------- /src/tests/test_utils.py: -------------------------------------------------------------------------------- 1 | import unittest 2 | import sys 3 | import os 4 | from PIL import Image 5 | 6 | test_dir = os.path.dirname(__file__) 7 | src_dir = "../" 8 | sys.path.insert(0, os.path.abspath(os.path.join(test_dir, src_dir))) 9 | 10 | # fmt: off 11 | import pyRanoid.utils as utils 12 | # fmt: on 13 | 14 | 15 | class Testutils(unittest.TestCase): 16 | 17 | @classmethod 18 | def tearDownClass(self): 19 | try: 20 | os.remove("output.png") 21 | except FileNotFoundError: 22 | pass 23 | 24 | def tearDown(self): 25 | if os.path.exists("test_file.txt"): 26 | os.remove("test_file.txt") 27 | 28 | if os.path.exists("test_image.png"): 29 | os.remove("test_image.png") 30 | 31 | if os.path.exists("output.tar.gz"): 32 | os.remove("output.tar.gz") 33 | 34 | def setUp(self): 35 | # Create a test file 36 | self.file_path = "test_file.txt" 37 | with open(self.file_path, "w") as file: 38 | file.write("This is a test file.") 39 | 40 | # Create a test image 41 | self.image_path = "test_image.png" 42 | image = Image.new("RGB", (1000, 1000), color=(255, 255, 255)) 43 | image.save(self.image_path) 44 | 45 | def test_utils1(self): 46 | """ 47 | Test that image encrypt works. 48 | """ 49 | utils.encrypt_image( 50 | self.image_path, self.file_path, password="test") 51 | 52 | self.assertTrue(os.path.exists("output.png")) 53 | 54 | def test_utils2(self): 55 | """ 56 | Test that image decrypt works and hidden file is exported 57 | """ 58 | utils.decrypt_image("output.png", password="test") 59 | 60 | with open(self.file_path, "r") as f: 61 | self.assertEqual(f.read(), "This is a test file.") 62 | 63 | 64 | if __name__ == "__main__": 65 | unittest.main() 66 | --------------------------------------------------------------------------------