Save field value encrypted to database.
Project description
django-safe-fields
Save field value encrypted to database.
Install
pip install django-safe-fields
Shipped Fields
Mixins
- SafeFieldMixinBase
- SafeStringFieldMixin
- SafeNumbericFieldMixinBase # used for fields that using none numberic database backend
Fields & Instance Extra Init Parameters (You can use django's fields default parameters)
- SafeCharField
- password: default to settings.SECRET_KEY.
- cipher_class: choices are cipherutils.AesCipher, cipherutils.S12Cipher or something similar. default to cipherutils.AesCipher.
- kwargs
- Note: kwargs parameters depend on the cipher class you choose. see details at https://pypi.org/project/fastutils/.
- cipher: or you can provides cipher instance instead of cipher_class and class parameters. Has higher priority than cipher_class.
- SafeTextField
- Same as SafeCharField
- SafeEmailField
- Same as SafeCharField
- SafeURLField
- Same as SafeCharField
- SafeGenericIPAddressField
- Same as SafeCharField
- SafeIntegerField
- Note: no extra init parameters
- SafeBigIntegerField # using varchar(max_length=128) in datatabase storage
- password
- kwargs
- int_digits: default to 12
- SafeFloatField # using varchar(max_length=128) in database storage.
- password
- kwargs
- int_digits: default to 12
- float_digits: default to 4
Note
- Default cipher class is MysqlAesCipher. It keeps the same with mysql's aes_encrypt and aes_decrypt when the mysql's server variable block_encryption_mode=aes-128-ecb. The main trick is the method used to prepair the final key from the password.
- Default password is settings.SECRET_KEY, but we STRONGLY suggest you use different password for every different field.
Usage
pro/settings.py
INSTALLED_APPS = [
...
'django_safe_fields',
...
]
- Insert
django_safe_fields
into INSTALLED_APPS.
app/models.py
from django.db import models
from django.conf import settings
from django_safe_fields.fields import SafeCharField
from django_safe_fields.fields import SafeGenericIPAddressField
from django_safe_fields.fields import SafeIntegerField
from fastutils.cipherutils import S12Cipher
from fastutils.cipherutils import HexlifyEncoder
class Account(models.Model):
username = SafeCharField(max_length=64)
name = SafeCharField(max_length=64, cipher_class=S12Cipher)
email = SafeCharField(max_length=128, null=True, blank=True, cipher=S12Cipher(password=settings.SECRET_KEY, encoder=HexlifyEncoder(), force_text=True))
last_login_ip = SafeGenericIPAddressField(max_length=256, null=True, blank=True, password="THIS FIELD PASSWORD")
level = SafeIntegerField(null=True, blank=True)
def __str__(self):
return self.username
- All fields will be stored with encryption.
- Aes is a strong cipher.
- With aes encryption, you can NOT search partly, only the
exact
search rule will be accepted. - With aes encryption, you can NOT sort.
- S12Cipher is string encode method that keeps the sorting result after encoded.
- IvCihper is a week cipher for integer field that let you sort with the field.
Releases
v0.2.1
- Fix problem with latest version of fastutils.
v0.1.11
- Fix callable default value problem.
v0.1.7
- Add used_ciphers parameters support, so that we can decrypt old data when we change cipher_class or field password.
- Add safe field management commands: list_safe_fields, mapping_cipher_fields_dumps. Note: Use mapping_cipher_fields_dumps to speed up the safe field initialization.
v0.1.6
- Fix xxx__in query problem.
v0.1.5
- Turn to bytes before doing encryption.
v0.1.4
- Change init parameter encoder to result_encoder.
v0.1.3
- Fix get_db_prep_lookup problem.
v0.1.2
- Add SafeBigIntegerField and SafeFloatField.
v0.1.1
- Fix problem in objects.get that double encrypt the raw data.
v0.1.0
- First release.
Project details
Release history Release notifications | RSS feed
Download files
Download the file for your platform. If you're not sure which to choose, learn more about installing packages.
Source Distribution
Built Distribution
Close
Hashes for django_safe_fields-0.2.1-py3-none-any.whl
Algorithm | Hash digest | |
---|---|---|
SHA256 | 368ce4a35ce104823d00d7fd3221b2434bffa65984b183f1d07b6d00eabb20c8 |
|
MD5 | 96f1b1266c158be5eb26a9321377f431 |
|
BLAKE2b-256 | 488e40e81aec03943c668a1b3944b1545c78bc1c1023b106a24b650929af0e26 |