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from binascii import b2a_hex, a2b_hex
from Crypto.Cipher import AES
from Crypto import Random
import time # 引入time模块
iv = Random.new().read(AES.block_size)
class aestest():
# ***********Begin**************
def __init__(self, key):
self.key = key.encode('utf-8')
def encrypt(self, text):
text = text.encode('utf-8')
aes = AES.new(self.key,AES.MODE_CBC,iv) # 这里是直接调用函数AES.new参数是密钥和ECB模式设置。初始化加密器
ctext = aes.encrypt(text) # 加密
return ctext
def decrypt(self, text):
text = text.encode('utf-8')
aes = AES.new(self.key, AES.MODE_CBC,iv)
plain = aes.decrypt(a2b_hex(text))
return plain
# ************End***************
def Evidence(text, key):
aes = aestest(key)
text = text.encode('utf-8')
T1 = time.time()
for i in range(100000):
enc = aes.encrypt(text)
T2 = time.time()
# print(T2-T1)
T_e = T2-T1
enc = b2a_hex(enc) # 字符串转换
T3 = time.time()
for i in range(100000):
detext = aes.decrypt(enc)
T4 = time.time()
# print(T4-T3)
T_d = T4-T3
return T_e,T_d
#
# if __name__ == "__main__":
# # str1, str2 = input().split()
# # Evidence(str1, str2)
# test = {24:'123456781234567812345678'}
# for b,str2 in test.items():
# T_e = Evidence('xyqshiyigedasgya', str2)[0]
# T_d = Evidence('xyqshiyigedasgya', str2)[1]
# print(str(b)+'位的加密时间是'+str(T_e)+" 它加密的数据是"+str2)
# print('它的加密效率是'+str(12.8/T_e)+' Mbps')
# print(str(b) + '位的解密时间是' + str(T_d))
# print('它的解密效率是' + str(12.8 / T_d) + ' Mbps')