### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
def setglobalkey(uint32 k):
+ """setglobalkey(K): set global hash key"""
unihash_setkey(&unihash_global, k)
cdef class Key:
+ """Key(K): universal hashing key"""
cdef unihash_info _i
cdef uint32 _k
def __cinit__(me, uint32 k):
unihash_setkey(&me._i, k)
me._k = k
property k:
+ """K.k -> INT: the key value"""
def __get__(me):
return _u32(me._k)
cdef class Unihash:
+ """Unihash([key = None]): universal hashing context"""
cdef uint32 _a
cdef readonly Key key
cdef unihash_info *_i
me._i = &k._i
me._a = UNIHASH_INIT(me._i)
def chunk(me, data):
+ """U.chunk(STR): hash the STR"""
cdef void *p
cdef Py_ssize_t n
- PyObject_AsReadBuffer(data, &p, &n)
+ PyObject_AsReadBuffer(data, <cvp *>&p, &n)
me._a = unihash_hash(me._i, me._a, p, n)
def done(me):
+ """U.done() -> INT: the hash of the data"""
return _u32(me._a)
###----- That's all, folks --------------------------------------------------