added a compatible password hashing algorithm

import passlib.hash

from django.contrib.auth import hashers

class SHA256CryptPasswordHasher(hashers.BasePasswordHasher):

	""" SHA256-Crypt hasher compatible with Dovecot """

	digest = passlib.hash.sha256_crypt

	iterations = 10000

	@property

	def algorithm(self):

		return '{{{0}}}'.format(self.digest.name.upper().replace('_', '-'))

	def verify(self, password, encoded):

		return self.digest.verify(password, self._get_data(encoded))

	def encode(self, password, salt, iterations=None):

		return ''.join((

			self.algorithm,

			self.digest.encrypt(password, salt=salt,

				rounds=iterations or self.iterations)

		))

	def safe_summary(self, encoded):

		details = self.digest.from_string(self._get_data(encoded))

		return {

			'algorithm': self.digest.name,

			'iterations': details.rounds,

			'salt': hashers.mask_hash(details.salt),

			'hash': hashers.mask_hash(details.checksum),

		}

	def _get_data(self, encoded):

		algorithm = self.algorithm

		assert encoded.startswith(algorithm)

		return encoded[len(algorithm):]

    'django.contrib.contenttypes',

)

PASSWORD_HASHERS = (

	'kodo_sso.custom_auth.pass_hashers.SHA256CryptPasswordHasher',

)

MIDDLEWARE_CLASSES = (

	'django.middleware.cache.UpdateCacheMiddleware',

	'htmlmin.middleware.HtmlMinifyMiddleware',