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- def raw(cls, secret, encoding=None):
- """encode password using LANMAN hash algorithm.
- :type secret: unicode or utf-8 encoded bytes
- :arg secret: secret to hash
- :type encoding: str
- :arg encoding:
- optional encoding to use for unicode inputs.
- this defaults to ``cp437``, which is the
- common case for most situations.
- :returns: returns string of raw bytes
- """
- if not encoding:
- encoding = cls.default_encoding
- # some nice empircal data re: different encodings is at...
- # http://www.openwall.com/lists/john-dev/2011/08/01/2
- # http://www.freerainbowtables.com/phpBB3/viewtopic.php?t=387&p=12163
- from passlib.crypto.des import des_encrypt_block
- MAGIC = cls._magic
- if isinstance(secret, unicode):
- # perform uppercasing while we're still unicode,
- # to give a better shot at getting non-ascii chars right.
- # (though some codepages do NOT upper-case the same as unicode).
- secret = secret.upper().encode(encoding)
- elif isinstance(secret, bytes):
- # FIXME: just trusting ascii upper will work?
- # and if not, how to do codepage specific case conversion?
- # we could decode first using <encoding>,
- # but *that* might not always be right.
- secret = secret.upper()
- else:
- raise TypeError("secret must be unicode or bytes")
- secret = right_pad_string(secret, 14)
- return des_encrypt_block(secret[0:7], MAGIC) + \
- des_encrypt_block(secret[7:14], MAGIC)
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