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Private_key_file.write(keys.exportKey(format='PEM', passphrase=self.private_key_passphrase)) With open(self.private_key_loc, 'wb') as private_key_file: Public_key_file.write(keys.publickey().exportKey(format='PEM', passphrase=self.public_key_passphrase)) With open(self.public_key_loc, 'wb') as public_key_file: Keys = RSA.generate(keys_size, random_generator) Self.private_key_passphrase = private_key_passphrase Self.public_key_passphrase = public_key_passphrase :param private_key_passphrase: Private key passphrase :param public_key_passphrase: Public key passphrase

:param private_key_loc: Path to private key file :param public_key_loc: Path to public key file Public_key_passphrase=None, private_key_passphrase=None): Out_file.write(crypt_and_verify(chunk, tag))īlowfish cipher, 256-bit key, 64-bit blockĬipher = Blowfish.new(key=self.key, mode=Blowfish.MODE_EAX)Ĭipher = Blowfish.new(key=self.key, mode=Blowfish.MODE_EAX, nonce=nonce)ĭef _init_(self, public_key_loc=None, private_key_loc=None, Orig_size = struct.unpack('

Out_file_name = os.path.splitext(in_file_name) :param out_file_name: Decrypted file name (default in in_file_name without extension, :param in_file_name: Decrypting file name Out_file.write(struct.pack('

:param in_file_name: Encrypting file name Plaintext = crypt_and_verify(ciphertext, tag)ĭef encrypt_file(self, in_file_name, out_file_name=None, chunk_size=1024 * 64): Return base64.b64encode(cipher.nonce + tag + ciphertext).decode()Ĭiphertext = base64.b64decode(ciphertext)Ĭipher = AES.new(key=self.key, mode=AES.MODE_EAX, nonce=nonce) Plaintext = _pad(plaintext.encode(), AES.block_size)Ĭipher = AES.new(key=self.key, mode=AES.MODE_EAX)Ĭiphertext, tag = cipher.encrypt_and_digest(plaintext) Self.key = KDF.PBKDF2(password=key.encode(), salt=salt.encode(), dkLen=32, count=10000, prf=prf) How secure is this Python code? Can there be any attacks on this encryption? I tried to follow all the rules that I could find: KDF instead of hash, EAX (authenticated encryption mode) and other.