def decrypt_kgk(self, encrypted_kgk, kgk_crypter=None, password=b'', salt=b''):
"""
Decrypts kgk blobs. If a crypter is passed it is used. If none is passed a new crypter is created with
the salt and password. This takes relatively long. If the encrypted_kgk has a wrong length a new kgk is
created.
:param encrypted_kgk:
:type encrypted_kgk: bytes
:param kgk_crypter:
:type kgk_crypter: Crypter
:param password:
:type password: bytes
:param salt:
:type salt: bytes
"""
if kgk_crypter:
self.kgk_crypter = kgk_crypter
else:
if len(salt) < 32:
salt = Crypter.createSalt()
self.get_kgk_crypter(password, salt)
if len(encrypted_kgk) == 112:
kgk_block = self.kgk_crypter.decrypt_unpadded(encrypted_kgk)
self.salt2 = kgk_block[:32]
self.iv2 = kgk_block[32:48]
self.kgk = kgk_block[48:112]
else:
self.create_new_kgk()
def create_new_kgk(self):
"""
Creates a new kgk. This overwrites the previous one.
:return: the new kgk
:rtype: bytes
"""
self.kgk = os.urandom(64)
self.iv2 = Crypter.createIv()
self.salt2 = Crypter.createSalt()
return self.kgk
def get_kgk_crypter_salt(self):
"""
Loads the public salt. If there is none it is created and stored.
:return:
"""
self.salt = self.preference_manager.get_salt()
if len(self.salt) != 32:
self.salt = Crypter.createSalt()
self.store_salt(self.salt)
return self.salt
def __init__(self, domain):
self.domain = domain
self.url = None
self.username = None
self.legacy_password = None
self.notes = None
self.iterations = 4096
self.salt = Crypter.createSalt()
self.creation_date = datetime.now()
self.modification_date = self.creation_date
self.extra_characters = DEFAULT_CHARACTER_SET_EXTRA
self.template = "x" * 10
self.calculate_template(True, True, True, True)
self.synced = False
def __init__(self, domain):
self.domain = domain
self.url = None
self.username = None
self.legacy_password = None
self.notes = None
self.iterations = 4096
self.salt = Crypter.createSalt()
self.creation_date = datetime.now()
self.modification_date = self.creation_date
self.extra_characters = DEFAULT_CHARACTER_SET_EXTRA
self.template = 'x' * 10
self.calculate_template(True, True, True, True)
self.synced = False
def __init__(self, domain):
self.domain = domain
self.url = None
self.username = None
self.legacy_password = None
self.notes = None
self.iterations = 4096
self.salt = Crypter.createSalt()
self.length = 10
self.creation_date = datetime.now()
self.modification_date = self.creation_date
self.used_characters = self.get_default_character_set()
self.extra_characters = DEFAULT_CHARACTER_SET_EXTRA
self.template = None
self.force_character_classes = False
self.synced = False
def create_and_save_new_kgk_block(self, kgk_crypter=None):
"""
Creates a fresh kgk block and saves it.
:param kgk_crypter:
:type kgk_crypter: Crypter
:return: kgk block
:rtype: bytes
"""
self.salt = Crypter.createSalt()
self.store_salt(self.salt)
if kgk_crypter:
self.kgk_crypter = kgk_crypter
kgk_block = self.get_fresh_encrypted_kgk()
self.preference_manager.store_kgk_block(kgk_block)
return kgk_block
def new_salt(self):
"""
Creates a new salt for the setting.
"""
self.salt = Crypter.createSalt()
def new_salt(self):
"""
Creates a new salt for the setting.
"""
self.salt = Crypter.createSalt()
def fresh_salt2(self):
"""
Creates a fresh salt for the settings encryption (salt2).
"""
self.salt2 = Crypter.createSalt()
