def long_to_bytearray(num):
"""
Converts a long into a byte array.
:param num:
Long value
:returns:
Long.
"""
bytes_count = byte_count(num)
byte_array = bytearray_create_zeros(bytes_count)
for count in range(bytes_count - 1, -1, -1):
byte_array[count] = int(num % 256)
num >>= 8
return byte_array
def generate_random_long(low, high):
"""
Generates a random long integer.
:param low:
Low
:param high:
High
:returns:
Random long integer value.
"""
if low >= high:
raise ValueError("High must be greater than low.")
num_bits = bit_count(high)
num_bytes = byte_count(high)
last_bits = num_bits % 8
while 1:
byte_array = generate_random_bytearray(num_bytes)
if last_bits:
byte_array[0] = byte_array[0] % (1 << last_bits)
n = bytearray_to_long(byte_array)
if n >= low and n < high:
return n
