def createAESGCM(key, implList=None):
"""Create a new AESGCM object.
@type key: bytearray
@param key: A 16 or 32 byte byte array.
@rtype: L{tlslite.utils.AESGCM}
@return: An AESGCM object.
"""
if implList is None:
implList = ["pycrypto", "python"]
for impl in implList:
if impl == "pycrypto" and cryptomath.pycryptoLoaded:
return pycrypto_aesgcm.new(key)
if impl == "python":
return python_aesgcm.new(key)
raise NotImplementedError()
def createAESGCM(key, implList=None):
"""Create a new AESGCM object.
@type key: bytearray
@param key: A 16 or 32 byte byte array.
@rtype: L{tlslite.utils.AESGCM}
@return: An AESGCM object.
"""
if implList is None:
implList = ["pycrypto", "python"]
for impl in implList:
if impl == "pycrypto" and cryptomath.pycryptoLoaded:
return pycrypto_aesgcm.new(key)
if impl == "python":
return python_aesgcm.new(key)
raise NotImplementedError()
from tlslite.utils.cryptomath import *
import time
from tlslite.utils import pycrypto_aesgcm
from tlslite.tlsconnection import *
from tlslite.api import *
authdata = bytearray(6)
nonce = bytearray(12)
times = 10000
k = bytearray(32)
a = bytearray(32)
label = bytearray(b'derived')
aesgcm = pycrypto_aesgcm.new(k)
plaintext = bytearray(512)
ciphertext = bytearray(144)
print 'testing secureHMAC sha256'
time1 = time.time()
for i in range(times):
result = secureHMAC(k, a, 'sha256')
time2 = time.time()
result = (time2 * 1000 - time1 * 1000) / times
print 'sha256 HMAC is ' + str(result) + ' milisecond'
print 'testing secureHMAC sha384'
time1 = time.time()
for i in range(times):
result = secureHMAC(k, a, 'sha384')
time2 = time.time()