Use SHA-512 by default.

requirements/prod.txt

@@ -1,7 +1,7 @@
 -e git://github.com/django/django@36c82ac8#egg=django
 
 # Security
--e git://github.com/fwenzel/django-sha256.git#egg=django-sha256
+-e git://github.com/fwenzel/django-sha2.git#egg=django-sha2
 
 # Celery: Message queue
 celery

settings.py

@@ -92,7 +92,7 @@ ROOT_URLCONF = '%s.urls' % ROOT_PACKAGE
 INSTALLED_APPS = (
     'djcelery',
     'django.contrib.auth',
-    'django_sha256',  # Load after auth to monkey-patch it.
+    'django_sha2',  # Load after auth to monkey-patch it.
     'django.contrib.contenttypes',
 
     # 'django.contrib.sessions',
@@ -104,7 +104,7 @@ INSTALLED_APPS = (
     # 'django.contrib.admindocs',
 )
 
-AUTHENTICATION_BACKENDS = ('django_sha256.auth.Sha256Backend',)
+AUTHENTICATION_BACKENDS = ('django_sha2.auth.Sha512Backend',)
 
 ## Celery
 BROKER_HOST = 'localhost'

vendor

@@ -1 +1 @@
-Subproject commit a787e0db2bdbda4ae6977db3432b8546aa6bc519
+Subproject commit 3d8c9c888a948b46fd03655eca5e6d89655a5c34