From d53fb8b1ed1149653db57a02339e2ac00bec608c Mon Sep 17 00:00:00 2001 From: Victor Shyba Date: Tue, 13 Jan 2015 17:28:14 -0300 Subject: for #227, nacl -> SoledadCrypto, since its already present --- service/pixelated/support/encrypted_file_storage.py | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) (limited to 'service/pixelated/support/encrypted_file_storage.py') diff --git a/service/pixelated/support/encrypted_file_storage.py b/service/pixelated/support/encrypted_file_storage.py index b859863b..04f2e6e8 100644 --- a/service/pixelated/support/encrypted_file_storage.py +++ b/service/pixelated/support/encrypted_file_storage.py @@ -20,15 +20,15 @@ from hashlib import sha512 import os from whoosh.filedb.filestore import FileStorage from whoosh.filedb.structfile import StructFile, BufferFile -from nacl.secret import SecretBox -import nacl.utils +from leap.soledad.client.crypto import encrypt_sym +from leap.soledad.client.crypto import decrypt_sym +from leap.soledad.client.crypto import EncryptionMethods from whoosh.util import random_name class EncryptedFileStorage(FileStorage): def __init__(self, path, masterkey=None): self.masterkey = masterkey - self.secret_box = SecretBox(masterkey) self._tmp_storage = self.temp_storage self.length_cache = {} FileStorage.__init__(self, path, supports_mmap=False) @@ -49,10 +49,6 @@ class EncryptedFileStorage(FileStorage): def file_length(self, name): return self.length_cache[name][0] - @property - def _nonce(self): - return nacl.utils.random(SecretBox.NONCE_SIZE) - def _encrypt_index_on_close(self, name): def wrapper(struct_file): struct_file.seek(0) @@ -61,13 +57,13 @@ class EncryptedFileStorage(FileStorage): if name in self.length_cache and file_hash == self.length_cache[name][1]: return self.length_cache[name] = (len(content), file_hash) - encrypted_content = self.secret_box.encrypt(content, self._nonce) + encrypted_content = ''.join(encrypt_sym(content, self.masterkey, EncryptionMethods.XSALSA20)) with open(self._fpath(name), 'w+b') as f: f.write(encrypted_content) return wrapper def _open_encrypted_file(self, name, onclose=lambda x: None): file_content = open(self._fpath(name), "rb").read() - decrypted = self.secret_box.decrypt(file_content) + decrypted = decrypt_sym(file_content[33:], self.masterkey, EncryptionMethods.XSALSA20, iv=file_content[:33]) self.length_cache[name] = (len(decrypted), sha512(decrypted).digest()) return BufferFile(buffer(decrypted), name=name, onclose=onclose) -- cgit v1.2.3