def hashToZn(self, value):
if type(value) == pairing:
h = hashlib.new(self.hash_type)
h.update(self.group.serialize(value))
#print "digest => %s" % h.hexdigest()
# get raw bytes of digest and hash to Zr
val = h.digest()
return integer(int(self.group.hash(val, ZR)))
# do something related to that
if type(value) == integer:
str_value = int2Bytes(value)
# print("str_value =>", str_value)
# val = self.group.hash(str_value, ZR)
# print("hash =>", val)
return integer(int(self.group.hash(str_value, ZR)))
return None
def hashToZr(self, *args):
if isinstance(args, tuple):
#print("Hashing =>", args)
strs = ""
for i in args:
if type(i) == str:
strs += str(base64.encodebytes(bytes(i, 'utf8')))
elif type(i) == bytes:
strs += str(base64.encodebytes(i))
elif type(i) == integer:
strs += str(base64.encodebytes(int2Bytes(i)))
elif type(i) == pairing:
strs += str(base64.encodebytes(self.group.serialize(i)))
if len(strs) > 0:
return self.group.hash(strs, ZR)
return None
