#!/usr/bin/env python import time import rsa poolsize = 8 accurate = True def run_speed_test(bitsize): iterations = 0 start = end = time.time() # At least a number of iterations, and at least 2 seconds while iterations < 10 or end - start < 2: iterations += 1 rsa.newkeys(bitsize, accurate=accurate, poolsize=poolsize) end = time.time() duration = end - start dur_per_call = duration / iterations print '%5i bit: %9.3f sec. (%i iterations over %.1f seconds)' % (bitsize, dur_per_call, iterations, duration) for bitsize in (128, 256, 384, 512, 1024, 2048, 3072, 4096): run_speed_test(bitsize)