hashing function used in https://github.com/stephenfewer/ReflectiveDLLInjection/

hash.py

def _rotr(num, bits):
    num &= (2**bits-1)
    bit = num & 1
    num >>= 1
    if(bit):
        num |= (1 << (bits-1))
    return num

def rotr(num):
	key = 13
	for i in range(key):
		num = _rotr(num, 32)
	return num

def hash(s):
	h = 0
	i = 0
	for c in s:
		h = rotr(h)
		h += ord(c)
		i = i + 1
	return h