added file-encryptor example.

README.md

@@ -1,2 +1,23 @@
+
+[![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](https://github.com/danstarns/project.md) [![Ask Me Anything !](https://img.shields.io/badge/Ask%20me-anything-1abc9c.svg)](https://github.com/danstarns/project.md/issues) 
+
 # file-encryptor
-Encrypt and Decrypt files with file-encryptor.
+A example project for encrypt and decrypt files.
+
+# Tech Stack
+- Python
+
+# Contributing
+All contribution's welcome 🍺 Make a PR or issue & let's take it from there.
+
+# Features
+- Encrypt file
+- Decrypt file
+- Generate Encryption key
+
+# Project Dependencies
+- cryptography
+
+# Build
+The project can be built creating a .exe file based on the program.py using pyinstaller.
+If you want to test it out fell free for it !

program.py

@@ -0,0 +1,86 @@
+from cryptography.fernet import Fernet
+import uuid
+
+fernet = ""
+
+def decryptfile():
+ location = input("Please provide the file location to decrypt: ")
+ try:
+ with open(location, 'rb') as enc_file:
+ encrypted = enc_file.read()
+ decrypted = fernet.decrypt(encrypted)
+ with open(location, 'wb') as dec_file:
+ dec_file.write(decrypted)
+ print("File decrypted successfully")
+ print("=============================================")
+ except:
+ print("Failed to decrypt the file. Please verify the file location or the privatekey provided.")
+ menu()
+
+def encryptfile():
+ location = input("Please provide the file location to encrypt: ")
+ try:
+ with open(location, 'rb') as file:
+ original = file.read()
+ encrypted = fernet.encrypt(original)
+ with open(location, 'wb') as encrypted_file:
+ encrypted_file.write(encrypted)
+ print("File encrypted successfully");
+ print("=============================================")
+ except:
+ print("Failed to detect or encrypt the file provided -> " + location)
+ menu()
+
+def menu():
+ print("0 - Exit");
+ print("1 - Encrypt File")
+ print("2 - Decrypt File")
+
+ user_option = input("Your option: ")
+ if(user_option == "0"):
+ return
+
+ switcher = {
+ "1": encryptfile,
+ "2": decryptfile
+ }
+ try:
+ switcher.get(user_option, "Invalid option")()
+ except:
+ print("Invalid option provided") 
+
+def readprivatekey():
+ location = input("Please provide your key location: ")
+ global fernet
+ try:
+ with open(location, 'rb') as filekey:
+ key = filekey.read()
+ fernet = Fernet(key)
+ print("Private key read successfully.");
+ menu()
+ except:
+ print("failed to read the private key provided.")
+ print("========================================")
+ initialize()
+
+def initialize():
+ print("Please provide your option:\n")
+ print("1 - Generate key")
+ print("2 - Encrypt/Decrypt File")
+ user_option_input = input("Your option: ")
+ switcher = {
+ "1" : generatenewkey,
+ "2" : readprivatekey
+ }
+ try:
+ switcher.get(user_option_input,"invalid option provided")()
+ except:
+ print("invalid option provided")
+
+def generatenewkey():
+ key = Fernet.generate_key()
+ file_name = str(uuid.uuid4())
+ with open(file_name +'_private.key', 'wb') as filekey:
+ filekey.write(key)
+
+initialize()