Private_key = global_('private_key')Įncrypted_mes = ProductionEncryption().encrypt(message)ĭecrypted_mes = ProductionEncryption().First I must state that a secure RSA encryption must use an appropriate padding, which includes some randomness. PUBLIC_KEY_FILE_PATH = settings.SURVEY_DIR_WITH_ENCRYPTED_KEYS + 'public.key'įrom corportal.utils import global_elements PUBLIC_KEY_FILE_PATH = KEYS_DIRECTORY + 'public.key'Ĭlass ProductionEncryption(RSAEncryption): PRIVATE_KEY_FILE_PATH = KEYS_DIRECTORY + 'private.key' With open(self.PRIVATE_KEY_FILE_PATH, 'r') as _file:Īnd use KEYS_DIRECTORY = settings.SURVEY_DIR_WITH_ENCRYPTED_KEYS With open(self.PUBLIC_KEY_FILE_PATH, 'r') as _file: '''run generate_keys() before get keys '''

Private_key_path = self.PRIVATE_KEY_FILE_PATH.rsplit('/', 1) Public_key_path = self.PUBLIC_KEY_FILE_PATH.rsplit('/', 1) With open(self.PUBLIC_KEY_FILE_PATH, 'w') as public_file:ĭef create_directories(self, for_private_key=True): With open(self.PRIVATE_KEY_FILE_PATH, 'w') as private_file:

If os.path.isfile(self.PUBLIC_KEY_FILE_PATH): Private, public = key.exportKey(), key.publickey().exportKey() Key = RSA.generate(1024, random_generator) Return six.text_type(decrypted_message, encoding='utf8') Private_key_object = RSA.importKey(private_key)ĭecrypted_message = private_key_crypt(encrypted_message) Return base64.b64encode(encrypted_message)ĭef decrypt(self, encoded_encrypted_message):Įncrypted_message = base64.b64decode(encoded_encrypted_message) # use base64 for save encrypted_message in database without problems with encoding Public_key_object = RSA.importKey(public_key)Įncrypted_message = public_key_object.encrypt(self._to_format_for_encrypt(message), random_phrase) Print 'encrypted message:', encrypted #ciphertextį.write(str(encrypted)) #write ciphertext to fileĬlass PublicKeyFileExists(Exception): pass #message to encrypt is in the above line 'encrypt this message' Publickey = key.publickey # pub key export for exchangeĮncrypted = publickey.encrypt('encrypt this message', 32) Key = RSA.generate(1024, random_generator) #generate public and private keys It seems like it is not reading the ciphertext from the file.Ĭan anyone help me write this code so decryption reads ciphertext from file and then uses key to decrypt ciphertext? import Crypto As you can see in my code below, when I put in decrypted = key.decrypt(message) that the program works, yet the decrypted message is encrypted again. I am having trouble with the decryption portion. Then I am reading ciphertext from file and decrypting text using key. I am creating a private/public key pair, encrypting a message with keys and writing message to a file. I need help using RSA encryption and decryption in Python.

Rsa exponent 65537 decrypt python