mssql.py 文件源码

def _parse_mssql(hash, csize, bsize, handler):
    """common parser for mssql 2000/2005; returns 4 byte salt + checksum"""
    if isinstance(hash, unicode):
        if len(hash) == csize and hash.startswith(UIDENT):
            try:
                return unhexlify(hash[6:].encode("utf-8"))
            except TypeError: # throw when bad char found
                pass
    elif isinstance(hash, bytes):
        # assumes ascii-compat encoding
        assert isinstance(hash, bytes)
        if len(hash) == csize and hash.startswith(BIDENT):
            try:
                return unhexlify(hash[6:])
            except TypeError: # throw when bad char found
                pass
        ##elif len(hash) == bsize and hash.startswith(BIDENT2): # raw bytes
        ##    return hash[2:]
    else:
        raise uh.exc.ExpectedStringError(hash, "hash")
    raise uh.exc.InvalidHashError(handler)