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from pycryptopp.cipher import aes, xsalsa20
from common import insecurerandstr, rep_bench
UNITS_PER_SECOND = 10**9
class BenchCrypt(object):
def __init__(self, klass, keysize):
self.klass = klass
self.keysize = keysize
def __repr__(self):
return "<%s-%d>" % (self.klass.__name__, self.keysize*8)
def crypt_init(self, N):
self.msg = insecurerandstr(N)
self.key = insecurerandstr(self.keysize)
def crypt(self, N):
cryptor = self.klass(self.key)
cryptor.process(self.msg)
def bench_ciphers(MAXTIME):
for (klass, keysize) in [
(aes.AES, 16),
(aes.AES, 32),
(xsalsa20.XSalsa20, 32),
]:
ob = BenchCrypt(klass, keysize)
print ob
for (legend, size) in [
("large (%d B)", 10**7),
]:
print legend % size
rep_bench(ob.crypt, size, UNITS_PER_SECOND=UNITS_PER_SECOND, MAXTIME=MAXTIME, MAXREPS=100, initfunc=ob.crypt_init)
print
print "nanoseconds per byte crypted"
print
def bench(MAXTIME=10.0):
bench_ciphers(MAXTIME)
if __name__ == '__main__':
bench()
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